The following line-up procedures are utilized bay all classes running at Central Alberta Raceways, unless the visiting club has there own line-up procedures and organizer to enforce adherence.

Heat 1: Upon registering an automated program randomly assigns each racer a number between 0-1 (For example. 0.999999999...).  This random generated number represents the starting order (lowest to highest)
Heat 2: The top 12 drivers are award a points based upon each their Heat 1 finishing position (1st-12pts, 2nd-11pts, 3rd-10pts, etc).  The field is then inverted, therefore the top finishers will be starting at the back.  NOTE: If running A and B heats to accommodate numerous racers then the top finisher from the first heat races will be placed in Heat 2B while slower cars shall run in Heat 2A.  The premise being for tighter heating for both driver and spectator excitement.
Main:  Points earned in both Heat 1 & 2 races are added and then inverted to determine starting position.  Thus that have earned most points will be starting at the rear, while those with the least points from that race day will have pole position.
NOTE:  These procedures are intentionally force drivers to race for points not position.  If a driver intentionally does poorly in the heat races throwing away valuable heat points (max 24pts) to simply gain a better starting position in the Main there they may earn max of 24pts.
As noted above, the inverted race field has proven to be far more exciting for both drivers and spectators as each racer earns their points.

15 points to show up and start a race

Points stay with driver

Heat Races     Feature Race
Postion Points      Position Points
        1 12 pts             1 24 pts
        2 11 pts             2 22 pts
        3 10 pts             3 20 pts
        4 9 pts             4 18 pts
        5 8 pts             5 16 pts
        6 7 pts             6 14 pts
        7 6 pts             7 12 pts
        8 5 pts             8 10 pts
        9 4 pts             9 8 pts
      10 3 pts           10 6 pts
      11 2 pts           11 4 pts
      12 1 pts           12 2 pts
      13+ 0 pts           13+ 0 pts
1. SAFETY EQUIPMENT: Rules apply at all times car is on track. Snell-rated SA2005, SA2010 or SA2015 helmet required. Roll bar padding required in driver compartment. Recommended: Fire retardant padding. SFI-approved full fire suit required. Fire retardant gloves, shoes and neck brace (or head and neck restraint) required. Right and left seat head supports required if using head and neck restraint system. Recommended: Fire retardant head sock and underwear, collapsible steering shaft. Driver-side window net required, minimum 16 inch by 20 inch ribbon or mesh style, and must be mounted to roll cage so latch is at top front of window. Maximum four inch tall visor attached to window net. Minimum three inch (two inch with head restraint system) wide SFI-approved five point safety belt assembly required, must be mounted securely to main roll cage. Recommended: Safety belts no more than two years old. Kill switch required within easy reach of driver and must be clearly marked ‘OFF’ and ‘ON’.
2. FRAME: (see frame drawing) 1964 or newer OEM perimeter American rear-wheel drive passenger car frame only. No sport car frames. Frame must be full and complete, cannot be widened or narrowed, and must be able to support roll cage on both sides. Exceptions are: weight jack in original center line of spring tower allowed; frame may be cut a maximum 36 inches forward from center of rear end housing; horns may be removed in front of steering box and notched maximum one inch at bottom for tie rod clearance; front crossmember may be notched and boxed for radiator and/or steering clearance; maximum seven inch wide opening in side of spring tower for spring removal. Maximum two inch wide by four inch tall frame stiffener may be welded directly to outside of left side frame rail. See for OEM frame dimensions. Minimum wheelbase 108 inches, maximum 112 inches, both sides. Maximum overall width shall not exceed 78 inches from outside of tire to outside of tire. No part of frame can be lower than four inches from ground except front crossmember.
3. ROLL CAGE: Must consist of continuous hoops, minimum 1.75 inch O.D. tubing, with minimum wall thickness of 0.095 inch for main cage, frame-mounted in at least six places. Recommended: low carbon or mild steel. Must consist of a configuration of front, rear and top hoops connected by tubing on sides or side hoops. Driver’s head must not protrude outside cage with helmet on. Roll cage must be securely supported and braced with minimum one cross bar in top halo. Foot protection bar required. Main cage no further forward than rear of engine. All bars forward of cage must be lower than hood.
4. DOOR BARS: All driver side door bars and uprights must be minimum 1.5 inch O.D. with 0.083 inch wall thickness. Minimum three driver side door bars, parallel to ground and perpendicular to driver, and welded to front and rear of roll cage. Passenger side must have at least one cross door bar, horizontal or angled, minimum 1.25 inch O.D. with 0.083 inch wall thickness, and one top horizontal door bar, minimum 1.5 inch O.D. with 0.083 inch wall thickness. Steel door plate, 18 gauge or 0.049 inch minimum thickness, must be securely welded to outside of driver side door bars and cover area from top door bar to bottom door bar and from rear hoop down-post to five inches in front of seat. Must be visible for inspection.
5. BODY: (See diagram) No composite or plastic body panels allowed except roof rock guard and hood scoop. Body must be same width, front to rear, and parallel to OEM frame. Aluminum nose panel must be flat. Maximum 2.250 inch side fins allowed on aluminum nose. IMCA approved plastic nosepieces allowed. Nose must be mounted in an approved manner and can extend no higher than front top of hood. Nose piece must remain inside confines of front bumper (exception is plastic valance) and be no lower than four inches below frame horns. Cooling holes allowed. Engine compartment must remain open (no side panels). Hood must cover radiator, be level or sloped down at front, enclosed and maximum two inches above interior deck at rear. No panel in front of right door to engine compartment. No inner panels. No complete or half-car covers, rear tail cover allowed in personal pit area only. Must have front and rear roof support posts. Driver and passenger side windows must have at least 12 inch opening (height and width), measured at center of window, between lowest point at top and highest point at bottom. Sail panels may not extend ahead of back of seat. Solid sail panels only. Roof must be fiberglass or aluminum, full size and rounded down in all directions (see diagram). No dished roofs allowed. Driver roof hatch allowed. Maximum 1.5 inch rolled down rock guard allowed on roof front. Maximum four inch roof sides allowed. Maximum one inch ridge down sides of roof. Maximum one inch rear roof stiffener (must face down). No fins, lips, wings, vortex generators or spoilers allowed. Maximum four inch plastic skirting allowed on bottom of doors, quarters and nose. No reflective doors or quarter panels. Body may be maximum one inch outside of rear tires (both sides) for clearance. Car number must be minimum four inches thick and 20 inches tall and clearly visible, on both sides and roof of car; six inches tall on rear and front if possible.
6. DRIVER COMPARTMENT: Must have minimum three windshield bars in front of driver. Lexan or aluminum cowl panel in front of driver can be no wider than cockpit and no farther back than steering wheel. Minimum 0.125 inch aluminum, or 0.060 inch steel, complete floor pan required. Aluminum high-back seat only and must be bolted in, using minimum 0.375 inch bolts, next to left side frame rail and ahead of rear tires. Bottom of seat can be no lower than bottom of frame rail. Driver must be sealed off from track, driveline, engine, fuel cell, canisters and pumps. Oil coolers must not protrude above interior. Accumulators cannot be mounted between driver and left-side door bars. No driver adjustable devices allowed while car is in competition except brake adjuster. No mirrors of any kind.
7. FRONT SUSPENSION: All components must be steel, unaltered OEM, in OEM location, and replaceable by OEM parts. Exceptions are: tube type upper A-frames with or without aluminum or steel cross shaft, and mounts can be moved; stamped steel OEM replacement lower A-frames; rubber, nylon or steel lower A-frame bushings, no offset or bearing type; one welded shock mount on lower A-frame; no screw jack type shock mounts; OEM or OEM replacement rebuildable ball joints allowed. Lower A-frames must be right and left, and of same design. Lower A-frame mounts and bolt holes on frame must be within OEM specifications. Sway bar must be unaltered OEM. No suspension stops of any kind allowed.
8. STEERING: No rack and pinion. All components must be steel, unaltered OEM, in OEM location. Exceptions are: outer tie rod end and adjustment sleeve may be replaced by a minimum 0.625 inch steel rod end and steel tube; spindles can be ground for brake caliper clearance only; unaltered, OEM or OEM replacement Pinto spindles with ‘IMCA’ raised cast; replacement spindle with Speedway Motors raised cast part numbers 91034501 and 91034511; bolt on spindle savers allowed; steel steering shafts and knuckles only; driver compartment steering may be modified, must be kept on left side. Spindles must be right and left, and of same design. Quick release required - steering quickener and steering wheel may be aluminum. Idler arm, pitman arm, and center link must match frame.
9. SHOCKS: One steel, nonadjustable, unaltered shock per wheel. All shocks must completely collapse at any time. One additional shock allowed in pull-bar area. No external or internal bumpers or stops. No threaded body, front coil-over, air, or remote reservoir shocks. No Schrader or bladder type valve allowed. Front half may be shielded. One or all shocks may be claimed per event for $50 each, counting as one claim on card, following shock claim procedures (Refer to
10. SPRINGS: One steel, non-progressive coil spring per wheel only. One additional spring allowed on pull bar, may be progressive. All coil springs must be at least 4.5 inches O.D. No torsion bars, air bags, inner liners or spring rubbers allowed. Steel or composite leaf spring allowed.
11. REAR SUSPENSION: No independent rear suspension. All components must be steel. No covers on any suspension components. All trailing arms/link bars must be solid tubing. Rear of frame may be altered to accept leaf or coil springs. Steel coil-over eliminators, or steel or aluminum coil-over kits allowed - must conform to shock and spring rules. One mechanical traction pull bar allowed. No lift, brake or sway bars. Rubber bumpers allowed on pull bar or panhard bar only. No suspension stops or adjustable underslung of any kind allowed. Exception is: solid safety chains securely mounted frame to axle housing only (cannot be mounted to any floating device), no springs or rubbers allowed. Minimum 19 inch long panhard bar, measured straight line, center to center.
12. REAR END: Any steel approved OEM passenger car or truck rear end allowed (housing and carrier). OEM rear end must use steel spool (full or mini). Steel axle tube quick change allowed. Quick change must use 10” ring gear with aluminum or steel spool. Quick change must use minimum one inch wide spur gears and bolt on rear cover. Safety hubs (floater) allowed. Steel axles only. Any additional components must be steel, except lowering blocks, axle caps, U-joint caps, and one piece drive flange. One inch inspection hole required in housings. No torque dividing differentials, scalloped ring gears or cambered rear ends.
13.BUMPERS: (See diagram) Steel bumpers must be on front and rear and welded, or securely mounted with minimum 0.375 inch bolts. Rear bumper must be capped, constructed of solid square, or minimum 1.25 inch O.D. tubing with 0.095 wall thickness (similar to diagram), maximum six inches beyond rear deck, no wider than five inches outside of rear frame rails. If wider than five inches outside rear frame rails must be bent forward 90 degrees, or constructed in a loop design. Must have at least one upright, minimum 1.25 inch with 0.065 wall thickness, from bumper to fuel cell guard. Two-bar front bumper must be minimum 1.25 inch O.D. tubing with minimum 0.065 wall thickness (maximum 0.095 inch) mounted frame-end to frame-end, no wider than width of material outside frame horns and with bottom loop parallel to ground. Top bar must be directly above bottom bar, minimum 6.5 inches apart, measured center to center.
14.TIRES/WHEELS: Must use unaltered Hoosier Race tire, G60-15 with IMCA stamped on sidewall. No chemical softening, conditioning, or grooving of tires (refer to for automatic penalties). Tires may be ground or siped within confines of tread (not past factory straight line). No re-caps. All wheels must display white ‘IMCA approved’ decal and wheel manufacturer decal. Aluminum, composite or steel spacers allowed. May use IMCA approved bead lock, on right rear only. External, steel bead lock only and it cannot make wheel any narrower than eight inches and no wider than 8.75 inches. Must use only steel bolts. Foam type or plastic outer mud cover allowed on right side wheels. Inner mud cover allowed on left rear only. Rim-mounted bleeder valves allowed. Steel lug nuts only.
15. BRAKES: Must be steel approved OEM, operative four wheel, drum or disc. Must maintain minimum OEM dimensions for hubs/rotors and calipers, cannot be lightened. Bolt pattern may be changed. Larger studs allowed. Rear rotors may be aftermarket 0.81 inch thickness (new). Vented solid surface rotors only, no scalloped or ceramic coated rotors. No brake shut-off or pressure sensitive devices. One front to rear proportioning device allowed. Brake lines must be visible.
16. EXHAUST: Round tube headers only. All primary header tubes must enter directly into one collector at same point at end of header. Collector and turn down length maximum nineteen inches total. Schoenfeld mufflers, stamped IMCA609, IMCA930, or IMCA935 must be used if track has noise reduction rule of 98 dB or more (exception is California). All exhaust must go through mufflers, two per car, one per header. Valve covers and headers may be modified for pan-evac system. No exhaust sensors, merge collectors, extensions, inserts, cones or balance tubes.
17. FUEL SYSTEM: Mechanical or belt driven fuel pump only and must be mounted at front of engine. Racing fuel cell required, maximum 32 gallon capacity, must be in minimum 20 gauge steel container. Cell must be securely mounted behind rear axle, between rear tires, minimum of four inches ahead of bumper, minimum of 10 inches above ground. Must mount with minimum one inch square tubing or two solid steel straps around entire cell, two inches wide and 0.125 inch thick. All cell mounts must be steel, securely welded to frame/cage. Protective tubing must cover rear and extend past both sides of cell. No part of cell shall be lower than protective tubing. Fuel cell vents, including cap vent, must have check valves. If fuel cell does not have aircraft style positive seal filler neck/cap system - a flapper, spring or ball type filler rollover valve is required. Pick-up must be on top or right side of cell. One fuel filter allowed. No cool cans. Air cleaner top/stud cannot direct air into carburetor. No top flow air cleaner housings or cold air boxes. One naturally aspirated two- or four-barrel carburetor only. One carburetor adapter/spacer allowed, maximum 2.20 inches thick, including gaskets. No adjustable throttle bore or sleeve-type carburetor spacers. Fuel shut-off recommended.
18.FUEL: Gasoline or alcohol. Racing fuel and E85 allowed. NO performance-enhancing additives. Upper cylinder lube allowed with alcohol only. Fuel sample may be taken from any car at any time. (Refer to for automatic penalties).
19.WEIGHT: Minimum weight limit of 2,450 pounds, no tolerance, after race with driver in car. No weights and/or loose objects in driver compartment, above interior deck or outside body. Weights must be securely mounted to frame or roll cage and painted white with car number on it. Must be attached with at least two 0.5 inch bolts. No titanium, magnesium or carbon fiber products. Exceptions are: carbon fiber rock guard, hood scoop, and magnesium quick change center section. Solid steel fasteners only.
20.BATTERY/STARTER: One 12 volt battery only, must be securely mounted between frame rails, and positive terminal must be covered. Car must have capability of starting without being pushed or pulled. Car must leave initial staging area on demand, unaided, or go to rear of that race. Reverse-mount starters with OEM case transmissions only, see transmission rules for specifics.
21. GAUGES/ELECTRONICS: No unapproved cameras, transmitting or listening devices (exception is one-way Race Receiver radio by officials), timing retard controls, or digital gauges (including tach). No electronic monitoring computer devices capable of storing or transmitting information except memory recall analog tach. Crate engine must use maximum 6,400 rpm rev-limiter. Claim engines must use maximum 7,800 rpm rev-limiter. This may be accomplished using one, non-adjustable, 12 volt ignition box with one high-end rev-limiter chip, an external setting, or an internal preset. Refer to for approved ignition systems and rev-limiters. No electronic advance curve ignitions allowed. No unapproved or additional ignition accessories allowed. All components must be out of reach of driver, but with rev control easily accessible facing up or out for inspection. All wiring must be visible for inspection. No magnetos or crank triggers. No electronic traction control devices (Refer to for automatic penalties).
22.TRANSMISSION/DRIVESHAFT: Must have at least two forward gears and one reverse, plus a neutral position. With engine running and car in still position, must be able to engage car in gear and move forward, then backward. OEM production type or IMCA approved aftermarket transmissions allowed - two-speed, three-speed, four-speed and automatic. No five speed (or more) transmissions, ‘in and out’ boxes, or quick change devices allowed. Functioning shift levers must be in OEM location on all OEM production type transmissions. All belt drive pumps must be mounted on front of engine. Flexplates must be full, steel, unaltered OEM, or OEM replacement. Flywheel/flexplate must bolt to engine between clutch assembly and crankshaft and all driveline components within bellhousing must rotate while car is in any gear. 
Transmission must be one of the following designs:
OEM Manual: Must have a standard OEM case and working disc-type clutch or approved cone or disc-type coupler inside an explosion-proof steel bellhousing. One flywheel only, minimum 8.5 inch diameter. Diameter of clutch disc must be a minimum of 5.5 inches. Clutch assembly must be steel, except housing, which must be steel and/or aluminum. Bellhousing can have only a hole for throwout bearing lever or hose, must be 270 degrees around top of clutch and flywheel area. Standard or reverse mount starter allowed, must directly engage flywheel. 
Automatic: Must remain in OEM or OEM replacement case, with a functioning OEM appearing pump. Aluminum OEM bellhousing may be replaced with aftermarket explosion-proof aluminum bellhousing. Original OEM bellhousing must have approved scattershield constructed of minimum 0.125 inch by three inch steel, (1) 270 degrees around flexplate.
Aftermarket Manual: Must be IMCA approved, aluminum case, with internal clutch. Refer to for approved transmissions. Must bolt to explosion-proof steel bellhousing, and use full, steel, unaltered OEM or OEM replacement flexplate with starter mounted in OEM location. No coatings or paint allowed on transmission case. No ball-spline transmissions.
Drive Shaft: Steel slip-yokes only. Minimum two inch diameter steel drive shaft and must be painted white. 360-degree drive shaft loop required and must be constructed of at least 0.25 inch by two inch steel, or one inch tubing, mounted six inches back from front U-joint.
23.ENGINE COMPARTMENT: Rear of engine (bellhousing flange) must be mounted at least 72 inches forward from centerline of rear axle. Engine offset must be kept within two inches of centerline of front crossmember with engine level. Minimum 11 inch engine height from ground to center of crankshaft. Radiator must be mounted in front of engine. Cooling system may be modified. Overflow tubes must be directed to ground between frame rails. No vacuum pumps.
24.ENGINE SPECIFICATIONS: All cars utilizing a GM604 crate engine must clearly display on both front roof posts the word CRATE. Must be contrasting in color from body, minimum two inches tall. Markers not acceptable.
(A) CRATE ENGINE: Must use unaltered sealed GM #88958604 or #19318604 crate engine with additional IMCA Cable-Lok system – NO EXCEPTIONS. Upon inspection, any different, altered or missing GM seal bolts or IMCA Cable-Loks will result in disqualification, loss of all IMCA points for the season, $5,000 fine and a 30-day suspension from all IMCA-sanctioned events. GM seal bolt exception is IMCA approved and issued Cable-Lok repair system, oil pan may be replaced by IMCA certified repair center with Champ pan #CP100LTRB and Champ pick-up #100SB. $250 fine for any crate engine not using required pushrods, valve springs or rocker arms. $250 fine for utilizing altered rev-limiter components. Any driver using crate engine cannot claim engine or have engine claimed. During same season, no driver is allowed to claim an engine after competing with a crate. If a driver switches to a crate after claiming an engine, the crate engine is then claimable.
(B) CLAIM ENGINE: Any American make steel engine block allowed. Aftermarket and OEM performance blocks allowed. Cast iron or aluminum intake manifolds only. Steel cylinder heads and oil pan only. Flat tappet cam/lifters and stud-mounted rocker arms only. Magnetic steel retainers only. No shaft, pedestal, or offset rocker arms, titanium engine components, stud girdles or mushroom lifters. Lifter diameter and configuration must match OEM passenger block. OEM firing order cannot be changed (GM: 1-8-4-3-6-5-7-2). All engines must be able to be used in conventional passenger car without alterations. Engine mounts cannot be removed or altered. Castings and fittings must not be changed. No machine work on outside of engine (no lightweight engine blocks). All belt driven accessories must be on front of engine. ‘Wet’ sump oiling system only. External oil pumps go with engine if claimed.
25. ENGINE CLAIMING RULES: Refer to for claim eligibility requirements.
(A) $1,050 cash, or $100 and exchange, claim on engine, flywheel and balancing plates ($25 goes to wrecker and $25 to official for each engine). Claimed driver has option of accepting cash, or exchanging engines with claiming driver.
(B) Claim does not include - 1. clutch, 2. pressure plate, 3. bellhousing, 4. headers, 5. carburetor, 6. starter, 7. motor mounts, 8. oil/temp. sending units, 9. carburetor spacer, 10. fan and pulleys, 11. clutch ball, 12. clutch arm, 13. throw out bearing, 14. dip stick, 15. water pump, 16. fuel pump, rod and plate, 17. distributor, 18. plug wires, 19. water outlet and restrictor, 20. breathers
IMCA Mod Chassis1
    1. ROLL CAGE - Roll cage must be constructed from 4130 condition N seamless steel tubing, top rails min. 1.5" outside diameter x .095" wall. Bottom rails 1.5" outside diameter x .083" wall or 1.375" outside diameter x .095" wall, upper rails and uprights 1.375" outside diameter x .083" wall. Side and Halo bars recommended. Required rear end protection bar under rear of seat.

    2. FRAMES & COMPONENTS - No aluminum frames, 4130 construction only. No titanium products, parts or components allowed anywhere on the race car. No gun-drilled, tubular or hollow bolts or studs allowed anywhere on car. Minimum wheelbase of 84 inches.

    3. STEERING WHEEL - Steering wheel must be quick disconnect (no pip pins).

    4. KNEE GUARDS - Knee guards are mandatory.

    5. SEAT- Must be a fuII containment aluminum ONLY high back seat. The Hans or equivalent device is recommended . The technical staff will determine if the seat installation and structure are safe & sound for competition

    6. BUMPERS - Steel rear bumpers and nerf bars (rub rails) are mandatory- Front bumper maybe aluminum or steel .

    7. SAFETY -A five or six point SFI 16.1 competition shoulder harness with lap belt and sub-strap are mandatory. Working arm restraints are mandatory. Seat belts recommended being not more than one year old but must be dated within two years. Fire retardant gloves, shoes, socks, balaclava or (helmets with fire retardant liners) are mandatory. A racing suit with minimum rating of SFI 3.2 A/5 is mandatory. Fire retardant underwear is recommended. Helmets are required and must be Snell full face SA2005 or SA 2010. Helmets & drivers suit must be worn at all times when the car is on the track or during startup. Rock screens are mandatory. Drive shaft must be fuIIy enclosed by torque tube. The torque tube must be drilled for inspection of the steel drive shaft. Safety hoop rnust be attached to the chassis below the forward edge of the seat around the torque tube. Drag link tether strap mandatory.

    8. ELECTRONICS -Memory Tachometer, Race Transponder required (You may own your transponder AMB X260 or rent one from the track), Receiver radio is mandatory and video camera are the only electronic devices allowed on or within the car. No traction control of any kind.

    9. MIRRORS - No mirrors allowed.

    10. FUEL SYSTEM - (A) A racing fuel cell with bladder is required. Check valve required. FueI shut off valve recommended at fuel cell outlet. (B) Alcohol or ethanol fuels ONLY.

    11. MUFFLERS . Mufflers are required, maximum 100 DBAat 100 ft.

    12. WEIGHT JACKS - No in-cockpit adjustable torsion bars or weight jackers allowed.

    13. WEIGHT -Weight RuIe: Weight rule is 1600 lbs., including the driver, at the conclusion of the race. Any bolt-on weight must be painted white and the car number must be on the weight. Loss of any bolton weight during competition will disqualify the individual from the event. Bolt-on weight can only be added in the areas designated in the accompanyrng diagram. The weight must be securely attached and must remain in place during a race. It must not be moved or removed during a red flag situation. We reserye the right to disqualify any individual whose weight mounting procedure does not meet our specifications.Sprint Ballest

    14. TIRES AND WHEELS -RR tire required is the Hoosier medium 105.0/16.0-15 at a durameter reading of 40 minimum. All other tires may be of any brand (Goodyear, Hoosier, American Racer, etc). (C) Wheels - No plastic or carbon fiber wheels, bead locks are mandatory on RR outboard minimum.

    15. SUSPENSION - No cockpit adjustable shock absorbers allowed. Left rear adjustable shocks are allowed. No adjustabie shocks or remote canister allowed on the Front and RR of the car.

    16. BRAKES - Minimum LF and rear inboard workable brakes. No carbon fiber brake components allowed.

    17. BODIES - Must be of "sprint car" design. Fuli-length hood is recommended. No carbon fiber body panels aliowed. 

    18. DRIVELINE - In - out box, slider driveiine, shifter rear end or Bert Sprint transmission required or approved driveline.

    19. WINGS Cockpit adjustable wing sliders allowed.
      1. Top wing mandatory maximum of 25 square feet. Maximum center foil width 60 inches. The deepest point aiiowed in the top surface of the wing will be 2 1/2 inches. No Wicker Bills or Gurney Lips allowed on center foil. The 12 inch section located at the rear of the center foil must not have the belly/curl arc out of proportion with the rest of the center foil. Belly/curl arc must span the entire length of the center foil and appear to be a gradual arc with the deepest point no further back than 48 inches from the leading edge. The beliy/curl arc must start at the center foil's leading edge and shall not exceed a depth of 2 1/2 inches. Top surface of the wing measuring crosswise must be flat.Sprint wing
      2. Flat Top Wing A maximum 1" removable wicker bill may be mounted on the rear edge of the center foil. Wicker bill must be 90 degrees to the top of the center foil. Same size as the top wing in "I9 A" section
      3. The side panel maximum is 72" Iong by 30" wide. Side panels attached to the wing must be fabricated flat at 90 degrees, as to have no tumouts or flaps made of more than two inches of material on the front or rear panel and no more than 1 1/4 inches on the top or bottom sideboard. All top and front wings must be fabricated of metal alloys only. No fiberglass, carbon fiber or other similar materials may be used in the basic framework (center foil and side panel) of the wing.

      4. Center foil must be one piece. No split wings or bi-wings. Top wings must not extend beyond outside of rear tires.

      5. Nose wing optional, if used maximum (6) square feet. The front wing may not be cockpit or driver adjustable.

      6. Wing caps, plastic allowed. No carbon fiber.

      7. No rudders anywhere on the wing

      8. Center foil must be square to side boards. Side boards must be parallel

    20. ENGINE - No turbo or superchargers allowed. Any General Motors, Ford, or Chrysler steel block push rod V-8 automotive engine
      1. BLOCK CRANKSHAFT and RODS - Engine must have a stock steel OEM block, Dart #31161LL1, World #0840L0, GM #10066034 or GM #12480A47 no lightening anywhere on the block. General Motors and Ford limited to maximum displacement of 360 CID + or -1%. Chrysler limited to maximum of 364 CID. Maximum bore allowed is 0.060" over stock. Crankshaft and connecting rods must be steel. Stock type after-market crankshafts are allowed. No modifications to crankshaft counterweights allowed except for balancing puposes. (No knife edging).No pendulum cut counterweights (no scatloping) No stroker crankshaft (example: Cannot start with a 302 Ford to make a 351). Ford must be 351W or 351C. Crankshaft stroke: Chev 3.48 or 3.50. Ford 3.5. Dodge 3.58. Crankshaft weight for Chevy 47lbs minimum. Highly recornmended that all engine block frost plugs be pinned, screwed or tack welded. No titanium components allowed anywhere in the engine.

        No GM LS style engine.

      2. CYLINDER HEADS - Cast iron cylinder heads only. No billet heads. No CNC porting. All cylinder heads and valve angles must remain within 1 degree of the original manufacturing (example: Chevy valve angle is 23 degrees, no other than 23 degree valve angle heads are allowed for Chevy motors). After-market heads allowed. Angle milling prohibited. Heads limited to two valve per cylinder in stock OEM location only, 11/32" valve stem minimrrm diameter. Steel valve spring retainers and locks only. Must retain stock spark plug location. Guide plates and screw-in studs permitted. Must use spec Comp Cams ONLY #982 single or 994 dual valve springs, as is from Comp Cams, no modification allowed. A maximum of .580 valve lift at zero valve lash. Roller rockers permitted but no shaft style rockers allowed, except one single shaft per head on Chrysler only. Hydraulic or mechanical flat tappet camshaft allowed. No roller cams and no rev kits allowed. Original manufacturers stock lifter diameter. No mushroom or Schubeck style lifters allowed.

      3. FUEL INJECTION - Mechanical fuel injection systems must be configured of one individual stack per cylinder with a maximum of 8 injector nozzles of up to 3 1/2". No nozzles permitted in the heads. Injector stack must have a maximum of 1 7/16" (1.437) I.D. square edge restrictor round and centered in the stack. Square edge (no blending) top and bottom, no taper bore. No air deflectors allowed. No straight sleeve or tapered sleeve. The stack diameter has to match the intake butterfly diameter. No downsizing of the stack, no thick wall stack. The ONLY component allowed in the stack is the 1 7/16 restrictor to a depth of 2". The restrictor must be sealed between the outer edge and the stack. No rotary injection system. Any restrictor that comes loose will mean automatic disqualification.

      4. OILING SYSTEM - Only wet sump-oiling systems allowed. A minimum one-inch pipe plug must be installed in the left side of the oil pan for crankshaft inspection (Not to be installed by the main caps). Accumulators are optional. No external oil pumps allowed. No vacuum pumps allowed. No panevac system. No dry sump-oiling systems allowed.

      5. IGNITION SYSTEM - Only Vertex, Mallory, or comparable magnetos permitted. No MSD magnetos allowed. No MSD or electronic ignition allowed.

      6. FUEL - Only methanol or ethanol fuel can be used. No additive of any type will be permitted.
    NOTE: French Grimes Racesaver 305 Engines
    Rimbey Raceway wilI allow the Racesaver engines to compete ONLY after the technical staff has inspected and documented all pertinent head information. The French Grimes RaceSaver engine rules are at
    Central Alberta Raceway management reserves the right to modify any rules at any time to ensure a fair and competitive event for all participants. Technical Inspection is at the discretion of the technical inspector to enforce and interpret the rules.
    Central Alberta Raceway will run a Sportsman Sprint Championship in 2016.
    The following format will be used:
    1. AII races to count
    2. Each entry will receive 25 show points
    3. Each entry wiil receive 2 ten lap heats (no points) to determine starting position in the main.
    4. Heat 1A, B etc will set the inside row, Heat 2A, B etc will set the outside row
    5. B main will be run if necessary (10laps) no points
    6. Each position in the 20lap main will receive 2 points i.e. 1st-32 points - 16th 2 points
    7. 16 cars only will qualify for the A Main.
    8. Only the A main will be paid, all positions equally (16).
These are requirements that every car and driver must adhere to.  These requirements are generally inclusive of driver, competitor, staff or spectator safety.  Techs shall be inspecting and enforcing adherence to these rules. Rules are binding for a 3 year term. Track Decisions Decisions of officials are the final and binding without exception.  In all cases, track safety rules will take precedence over oval rules – any discrepancy between track rules should be brought to the attention of track official. 
1.    FRAME:
1.1    Any American OEM full body rear wheel drive passenger car, 1964 or newer, full frame or unibody.
1.2    Unibodies must tie rear frame to front frame.
1.3    Frame must match body. Minimum 107.5” wheelbase, maximum 1” difference from side to side.
1.4    No Station Wagons or Mustangs.
1.5    Rear of frame behind rear tires, no further forward than 1” behind factory seam, may be replaced in OEM location with 2”x3” steel tubing with minimum 0.095” wall thickness, same length as material removed. Factory seam must remain visible
1.6    Frames may be “X” braced.
2.    BODY:
2.1    All bodies must be unaltered OEM, or OEM replacement, in OEM location and match frame.
2.2    Sunroofs and T-tops must be enclosed.
2.3    No spoilers, hood scoops, ground effects or skirting, altering OEM appearance allowed.
2.4    OEM STEEL hood only, hood may be gutted. OEM STEEL trunk lid only, no gutting, may be cut to fit tail piece.
2.5    Hood must be separate from fenders.
2.6    Trunk floor directly over rear end housing must be removed.
2.7    Trunk floor may be replaced, frame rail to frame rail, with 0.049” thick steel, must be located on top of frame rail.
2.8    No reflective body panels.
2.9    All glass must be removed, all windows in body must remain open;      
2.10    All doors must be securely fastened.
2.11    All hoods and trunks lids will have a pin type latch.
2.12    If trunk and hood hinges are removed, they must be secured with 4 pins, one in each corner.
2.13    Car number must be minimum 4” thick and 20” tall and clearly visible, on both sides and roof of car; 6” tall on rear and front if possible.
2.14    All flammable materials must be removed.
2.15    Hood and trunk must be securely fastened and back of hood must be sealed off from driver compartment with metal.
2.16    Front body mounts must be visible. Body spacers may be removed.
2.17    Maximum 7” metal sun visor allowed across top of windshield opening.
2.18    Aftermarket plastic nosepiece and tailpiece allowed, recommended to match body.
2.19    Front inner wheel wells may be removed.
2.20    Fenders and quarter panels may be trimmed for tire clearance, ONLY.
2.21    Overlapping of body panels permitted.
3.1    Maximum 1” x 2” steel or lexan rub rails allowed - bolted flush (tight) to body.
3.2    Front and rear tow hooks mandatory.
3.3    No sharp edges allowed on bumpers, rub rails or bolts.
3.4    No bars past outside edge of body other than rub rails.
3.5    One of two bumper options must be used and must be OEM height:
    3.5.1    OEM: Bumpers not covered by plastic nose or tail piece must be complete, unaltered OEM, capped to fender with steel, welded or bolted.
    3.5.2    Aftermarket: Fabricated tubular bumpers (front and rear) allowed, but must be covered by plastic nose or tail piece and bent to fit with rounded ends. Main bumper bar must be minimum 1.5” O.D. (maximum 2”) with 0.083” (maximum 0.125”) wall thickness.
3.6    All front bumpers must be mounted minimum 6” from front frame horns.
3.7    Steel bumper mounts only.
4.    WEIGHT:
4.1    No titanium, magnesium or carbon fiber products.
4.2    No gun-drilled, tubular, hollow bolts or studs.
4.3    Steel fasteners only.
4.4    No ballast allowed.
4.5    Any item deemed as ballast will be required to be replaced - i.e. fuel cell straps, fuel cell cans, battery boxes, etc.
5.    ROLL CAGE:
5.1    Main cage must consist of continuous hoops, minimum 1.75” O.D. tubing, with wall thickness of at least 0.095”.
Recommended: low carbon or mild steel.
5.2    Four-post roll cage required, front down bars and rear hoop must be welded to OEM frame.
5.3    Driver’s head must not protrude outside cage with helmet on.
5.4    Rear hoop must have “X” brace, consisting of one full horizontal and one full diagonal bar, minimum 1.25” O.D. with 0.083” wall thickness.
5.5    Front down bars must be tied together.
5.6    Passenger side front down bars must be maximum 11” in from top of door.
5.7    Must be minimum 40” between outside edge of front and rear down bars at top of door panel.
5.8    Maximum 41” from top center of windshield to front edge of rear hoop; maximum 13” to front edge of top halo.
5.9    Top halo must be minimum 40” across, outside to outside.
5.10    Rear hoop may be maximum 12” in from bottom of opera window.
5.11    Minimum one cross bar in top halo.
5.12    May have maximum two horizontal bars, (in addition to bar tying front frame horns together) for radiator protection; must be behind bumper, within confines of body, no wider than OEM frame horns.
5.13    Rear kickers (down bars) required, and must be minimum 1.25” O.D. tubing with 0.083” wall thickness and engine hoop recommended.
5.14    Fuel cell protection required, must be mounted frame rail to frame rail, no higher than fuel cell, inside trunk area with
maximum 1.75” O.D. tubing.
5.15    All bars must be inside body.
5.16    Roll bar padding required in driver compartment. Recommended: Fire retardant padding.                                                                                                                                                                                                                                                                                                                                             
6.    DOOR BARS:
6.1    All door bars and uprights must be minimum 1.75” O.D. with 0.095”wall thickness.
6.2     Minimum three door bars, both sides, parallel to ground, and perpendicular to driver.
6.3    Minimum four uprights tied from frame to top door bar on driver side, and minimum three uprights on passenger side.
Steel door plates, 18 gauge or 0.049” minimum thickness, must be securely welded to outside of door bars on driver’s side.
6.4    Plate must cover area from top door bar to rocker panel and from rear down post to 5” in front of seat.
6.5     Must be visible for inspection.   
7.1    Minimum three windshield bars in front of driver.
7.2    Aluminum high-back seat only and must be bolted in using minimum 0.375” bolts.
7.3    Driver seat may be no further back than rear edge of B-pillar.
7.4    Minimum 3" (2" with head restraint system) wide SFI-approved five point safety belt assembly required, must be mounted
securely to main roll cage.
7.5    Recommend Safety belts no more than two years old. Frayed, weathered or damaged belts must be replaced.
7.6    All holes in firewalls and floor must be covered with metal.
7.7    No mirrors of any kind.
7.8    Driver-side window net required, minimum 16” by 20” ribbon or mesh style, and must be mounted to roll cage so latch is at top front of window
7.9    Driver must be sealed off from track, driveline, engine and fuel cell.
7.10    Dash not to extend more than 24” back from center of lower windshield opening.
7.11    Dash must be flat, rear can be no higher than front, except for cowl in front of driver.
7.12    No other interior tin or covers. Inside rear quarter panels, below window level, may be cut out.
7.13    Doors may be gutted.
7.14    No cutting out of firewalls, roof, kick panels, rocker panels, except for roll cage clearance.
7.15    OEM floor may be replaced from OEM front firewall to OEM rear firewall using steel fabricated floor pan, 18 gauge or
minimum 0.049” thickness, securely welded to frame. Must remain flat, OEM appearing from frame rail to frame rail, no higher or l
ower than frame rail.
7.16    Exception is maximum 8” tall driveshaft tunnel similar to OEM tunnel in size.
7.17    Rear firewall and speaker deck must be metal and be of OEM design for that make and model.
8.1    No unapproved cameras, transmitting or listening devices (exception is one-way Race Receiver radio by officials), timing
retard controls, or digital gauges (including tach).
8.2    No electronic monitoring computer devices capable of storing or transmitting information except memory recall analog tach.
8.3    12 volt ignition system and OEM HEI distributor only. Ford/Chrysler may use HEI distributor.
8.4    No ignition boxes.
8.5    No billet distributors or crank triggers. Ignition rotor, cap, coil and module must remain OEM-appearing.
8.6    602 Crate engine MUST use MSD #8728 rev-control and 6,200 rpm chip.
    8.6.1    Built engine MAY use MSD #8728 rev-control with any rpm chip.
    8.6.2    Rev-control must be mounted under hood on engine firewall and accessible for inspection with rev limiter facing upward.
8.7    No electronic traction control devices
8.8    All wiring must be visible for inspection. OEM type alternator with internal regulator allowed.
9.1    Engine must be in OEM location.
9.2    On GM metric frame, center of fuel pump must be located minimum 1.75” in front of cross member (measured at frame).
9.3    Ford metric frames must have back of fuel pump in front of cross member.
9.4    Frame and cross member may not be altered for engine placement.
9.5    Engine mount holes cannot be removed or altered on block.
9.6    Aftermarket steel engine mounts allowed.
9.7    No mid-plate allowed.
9.8    Engine must be OEM appearing, must be able to be used in conventional passenger car without alteration. GM with GM,
Ford with Ford, Chrysler with Chrysler.
9.9    Steel or aluminum V-belt pulleys only.
10.    STEERING:
10.1    All components must be steel unaltered OEM, in OEM location and match frame.
10.2    OEM steering column may be replaced with steel steering shafts (Recommended: collapsible steering shaft).
10.3    Steel knuckles only.
10.4    No steering quickeners (minimum 2.5 turns lock to lock), or remote power steering reservoirs.
10.5    Steering wheel and quick release (recommend) may be aluminum.
11.    Radiator:
11.1    Minimum two-core radiator, must be mounted in front of engine.
11.2    No electric fans.
11.3    Overflow tubes must be directed to ground.
11.4    OEM type steel or aluminum water pumps only.
12.1    602 CRATE ENGINE:
    12.1.1    All cars utilizing a GM602 crate engine must clearly display on both front roof posts the word CRATE.
    12.1.2    Must be contrasting in color from body, minimum 2” tall. Markers not acceptable.
    12.1.3    Must use unaltered sealed GM #88958602 or #19258602 crate engine.
    12.1.4    Upon inspection, any different, altered or missing GM seal bolts will result in disqualification, loss of all points for the
season, and 30-day suspension from all events. 
    12.2.1    Any American make engine allowed. Maximum 361 cubic inches (GM); 363 (Ford); 370 (Chrysler). Violation of cubic
inch limit must be verified by removal of head and will result in disqualification, loss of all points for the season and a 30-day suspension.
    12.2.2     BLOCK:    OEM steel passenger vehicle production block only.    No GM Bowtie, Ford SVO, or Chrysler W components allowed.    GM approved block numbers are: 10105123, 10066034, 3892657, 3914660, 3914678, 3932388, 3932386, 3956618,
3970000, 3970006, 3970010, 3970014, 10066033, 10066036, 10243880, 14010207, 14010209, 14010287, 14016376, 14016379, 10054727, 14088528, 14088548, 14088552, 14093638, 14101148.    Stroke must match block.    No 400 or larger cubic inch parts allowed.    Maximum compression ratio is nine to one (9:1), no tolerance. Compression ratio checked using Whistler and cubic
inches checked using pump, OR by visual inspection of part and/or casting numbers, pistons, etc (track option which method is used).    Flat top or dish pistons only, no gas ported pistons.    OEM or OEM appearing replacement steel crankshaft only – cannot be lightened.    No aerowing, bullnose, knife edge, undercut or drilling of second or third rod throws.    OEM or OEM appearing replacement steel rods only – GM 5.7”, 6” or GM Vortec rod part number 10108688 allowed.    Cap screw allowed.    No splayed main caps.    Conventional flat tappet cam and lifters only, cannot alter lifter bores.    OEM firing order cannot be changed (GM: 1-8-4-3-6-5-7-2).    May use oil restrictors. ‘Wet’ sump oiling system only.    Steel oil pans only. Racing oil pans allowed.    Mandatory 1” inspection hole in all pans - no obstructions to crank and rods. (On any new motors built after Sept 21 2014)    Accumulator allowed, must be mounted under hood.
    12.2.3    CYLINDER HEADS:    Steel only.    Must be unaltered approved OEM and minimum 76 cc combustion chamber (GM).    Only GM OEM approved head numbers are: 14079267, 3986336, 3986339, 3986339X, 3986388, 3932441, 376445,
3928454, 3932454, 3876487, 3973487, 3973487X, 3973493, 3951598, 468642, 330862, 333882, 3998920, 3998991, 3998993, 3998997, 3970126.    Maximum size valves on these heads are 2.02 inch intake and 1.60 inch exhaust.    May use Stock Replacement (SR) cylinder heads: Engine Quest (EQ) GM part number CH350I, (EQ) Chrysler part
number CH318B, World Products Ford part number 53030 - 1.250 inch (± .015 tolerance) maximum O.D. valve springs.    All SR heads must remain as produced, seat angles and valve sizes cannot be changed: three angle valve job only
(absolutely no casting removal in valve pocket of EQ or World Products head, for any reason); Ford - no SVO heads; Chrysler -
no W-2 heads, 360 cubic inch heads only.    No porting, polishing or unapproved alterations allowed to any cylinder head or intake, disqualification and loss of
all points for the season and a 30-day suspension.    Guide plates, screw-in shouldered studs (GM 0.375 inch max) and polylocks allowed. No stud girdles.    Steel roller tip rocker arms allowed. GM - 1.250 inch (± .015 tolerance) maximum O.D. valve spring, no beehive valve springs allowed.
    12.2.4    INTAKE:    Unaltered, approved OEM cast iron, low-rise, two or four barrel intake. Only unaltered (no porting or polishing)
aftermarket aluminum intakes allowed are: Weiand GM #7547, #7547-1; Ford #7515, #8023 or #7516; Chrysler #7545, #8022;
Edelbrock GM #2701; Ford #7121, #7181, #7183; Chrysler #2915.  (four barrel intake not IMCA compliant)    Intake manifold may use 4 to 2 barrel adapter, maximum 1.20" thick, including gaskets. (NOT IMCA Compliant)
13.1  602 CRATE ENGINE:
    13.1.1    Must use same Rochester 2G Series (2G, 2GC, 2GV) carburetor.and Speedway Motors carburetor adaptor, part #135-3502G
    13.2.1    Unmodified Holley 0-4412C, 0-4412CT, 0-4412S or 80583-1 2 barrel 500 cfm
    13.2.2   Rochester 2G Series (2G, 2GC, 2GV) carburetor. Except: booster I.D. may be machined to 0.25 inch, venturi I.D. machined to 1.375 inch and throttle bore I.D machined to 1.6875 inch on Rochester carburetor. 0.625 inch minimum booster height on Rochester carburetor.
    13.2.3    Air cleaner top/stud cannot direct air into carburetor.
    13.2.4    No top flow air cleaner housings, cold air boxes or air cleaner duct work.
    13.2.5    Must have air cleaner with an air filter element to act as a flame arrestor.
    13.2.6    No ram air induction.
    13.2.7    Choke plate may be removed.
    13.2.8    One 0.25” (maximum) thickness gasket only on cast iron intake. Speedway Motors carburetor adaptor, part #135-3502G, allowed on GM aluminum intake.
13.3    Mr. Gasket carburetor adaptor, part #1933, allowed on Ford and Chrysler aluminum intake.
13.4    Maximum of two 0.100 inch thick carburetor gaskets on all aluminum intakes.
14.    EXHAUST:
14.1    OEM cast iron exhaust manifolds only.
14.2    No center dump type manifolds.
14.3    Exhaust manifold can be ported and drilled to fit.
14.4    No adaptor allowed between manifold and head.
14.5    Exhaust must extend past firewall and turn toward ground. Must remain dual exhaust, no crossover or ‘Y’ pipes.
14.6    No pan evac systems, exhaust sensors or wrap.
14.7    Mufflers recommended.
14.8    602 Crate engine must use maximum 2” O.D. exhaust pipes.
14.9    Built engines may use maximum 2.5” O.D. exhaust pipes.
15.1    Each vehicle will be equipped with a master on/off switch. This switch must be within the driver’s reach when belted in. 
This switch must be clearly marked "OFF" and "ON". The switch must kill the engine while running at 3000 rpm.
15.2    One 12 volt passenger car battery only, must be securely mounted between and above frame rails, and positive terminal must be covered.
15.3    Battery must be in Marine type case if mounted in driver compartment.
15.4    Starter must bolt in OEM location.
15.5    Vehicle must have capability of starting without being pushed or pulled.
15.6    Vehicle must leave initial staging area on demand, unaided, or go to rear of that race.
16.1    All forward and reverse gears must be operational.
16.2    Manual:
    16.2.1    Must be unaltered OEM three or four speed, with minimum 10.5”steel/organic single disc-type clutch and steel pressure plate assembly inside an explosion-proof steel bellhousing - minimum 270 degrees around top of clutch and flywheel area.
    16.2.2    Alternatively a ¼” steel plate shield / Blanket that follows the contour of the transmission hump. (Not IMCA Compliant)
    16.2.3    No lightweight bellhousings. Hydraulic clutch release bearing allowed. Steel unaltered flywheel only - 16 pound minimum
16.3   Automatic:
    16.3.1    Must be unaltered OEM, with unaltered OEM pump, original bellhousing and minimum 10” diameter torque converter
containing a minimum of three quarts of fluid
    16.3.2    Torque converter must have a minimum 0.125”plug. Must have approved scatter shield constructed of minimum 0.125” by 3” steel, 270 degrees around flexplate. Flexplate must be full, unaltered OEM, or OEM replacement.
16.4    No bump starts allowed
16.4    Drive shaft: Steel drive shaft (minimum 2.5” diameter) and slip-yokes only.
16.5    Drive shaft must be painted white.
16.6    360-degree driveshaft loop required and must be constructed of minimum 0.25”x 2” solid steel, or 1”tubing, mounted 6” back from front U-joint.
17.1     Unaltered OEM 205/75, or 205/70, 14” or 15” passenger car tires only.
17.2    Maximum 7" wide, 3"-4" offset, unaltered, D.O.T.-stamped steel wheels with standard bead bump - must weigh minimum 21 pounds
17.3    All four tires and wheels must be same size as displayed on sidewall of tire.
17.4    Tires must be inside body.
17.5    No snow, or all-terrain tires.
17.6    No softening, conditioning, sipeing / grinding or grooving
17.7    No wheel spacers.
17.8    1” O.D. steel lug nuts required.
17.9    No bleeder valves.
18.    BRAKES:
18.1    Steel, unaltered OEM, or unaltered OEM replacement, operative four wheel, disc (front) and drum (rear) brakes, must match frame or rear end.
18.2    Hubs/rotors, axle flanges and drums may be changed to different bolt pattern and larger studs.
18.3    Full OEM backing plates, no aftermarket.
18.4    OEM or OEM appearing master cylinder must be in OEM location.
18.5    No antilock brake systems.
18.6    Steel brake lines only, must be visible.
18.7    No oil bath front hubs.
19.1    All components and mounts must be steel, unaltered OEM, in OEM location and match frame.
19.2    OEM rubber A-frame bushings only. (UPPER)
19.3    Rubber, Nylon or Steel (Lower A frame bushings)
19.4    OEM or OEM replacement ball joints allowed.
19.5    No rebuildable ball joints.
19.6    No sway bars, spring spacers, chains or cables. Exceptions are: for 1978-1987 GM mid-sized metric frame, OEM
upper A-frame may be replaced using aftermarket upper A-frame (steel or aluminum cross shaft allowed), must display approved”
decal on top of rear tube of A-frame; bolt on spindle savers allowed.
19.7    Upper A-frame mount must remain OEM and cannot be moved.
19.8    No suspension stops of any kind allowed.
19.9    No weight jacks allowed.
20.    SHOCKS:
20.1    One unaltered steel, nonadjustable, OEM-mount shock, in OEM location, per wheel. Example; but not limited to Afco , Bilstiene
20.2    All shocks must completely collapse at any time.
20.3    No external or internal bumpers or stops.
20.4    No bulb-type, threaded body, coil-over, air, or remote reservoir shocks.
20.5    Maximum 2.125” O.D. shock body.
20.6    No gas port, Schrader or bladder type valve allowed.
20.7    No coil-over eliminators.
20.8    Rear OEM shock location is 4.5” from bottom of housing to center of bolt hole, and centered on control arm bracket.
21.    SPRINGS:
21.1    One steel spring per wheel only in OEM location.
21.2    Minimum 4.5” OD. Maximum 5.5” OD, maximum 14” free height, non-progressive coil springs only. (Racing Springs allowed)
21.3    Coils must be securely fastened to prevent from falling out when suspension is fully extended.  However the fastener
cannot imped the suspension from fully extending, limit body roll or induce weight transfer.
21.4    No spring rubbers allowed.
22.1    All components and mounts must be steel, unaltered OEM or OEM replacement, in OEM location and match frame.
22.2    No independent rear suspension.
22.3    OEM rubber control arm bushings only.
22.4    Center of rear lower control arm bolt hole must be 2.25” to 2.5” from bottom of housing.
22.5    No sway bars, panhard bars, spring spacers, extensions, chains or cables. No suspension stops of any kind allowed
23.1    Nine inch Ford rear end allowed, but must be mounted like OEM rear end (centered) for that make and model.
23.2    OEM, or OEM replacement (recommended) solid steel axles only.
23.3    No torque dividing mini spools or differentials.
23.4    No floater rear ends.
23.5    Ring gear, center section and yoke cannot be lightened.
23.6    Must be welded spider gears, or mini spool.
24.1    Mechanical OEM type push rod fuel pumps only.
24.2    Racing fuel cell required, maximum 22 gallon capacity (Recommended:12 gallon), must be in minimum 20 gauge steel container.
24.3    Must be securely fastened in trunk above level of OEM trunk floor, behind rear tires, no further forward than factory seam
where rear frame rail can be replaced, with minimum two solid steel straps around entire cell, 2” wide and .125” thick.
24.4    No fuel cells allowed over rear end housing.
24.5    No adjustable fuel cell mounts.
24.6    Metal firewall must be between driver and fuel cell.
24.7    All cell mounts must be steel, securely welded to frame/cage.
24.8    Fuel cell vents, including cap vent, must have check valves.
24.9    If fuel cell does not have aircraft style positive seal filler neck/cap system - a flapper, spring or ball type filler rollover valve is required.
24.10    Fuel lines through driver compartment must run through metal pipe or metal conduit.
24.11    One fuel filter allowed, cannot be in driver’s compartment.
24.12    No cool cans.
24.13    No fuel pressure regulators.
24.    FUEL:
25.1    Gasoline only.
25.2    Racing fuel allowed, No E85.
25.3    No performance enhancing or scented additives.
25.4    Fuel must pass both dielectric meter and chemical tests.
26.1    Rules apply at all times vehicle. is on track.
26.2    Snell-rated SA2005 or SA2010 or SA2015 helmet required.
26.3    SFI-approved full fire suit required.
26.4    Fire retardant gloves, shoes and neck brace (or head and neck restraint) required.
26.5    Recommended: Fire retardant head sock and underwear, collapsible steering shaft.
26.6    Right and left seat head supports required if using head and neck restraint system.
26.7    Each car will have a 10 lb. minimum ABC fire extinguisher in their pits.