Latest Update:

Super Truck Rules


Any questions contact Altus Speedway.

 Rule book Disclaimer

 The rules and/or regulations set forth herein are designed to provide for the orderly conduct of racing events and to establish minimum acceptable requirements for such events. These rules shall govern the condition of all events, and by participating in these events, all participants are deemed to have complied with these rules. NO EXPRESSED OR IMPLIED WARRANTY OF SAFETY SHALL RESULT FROM PUBLICATION OF OR COMPLIANCE WITH THESE RULES AND/OR REGULATIONS. They are intended as a guide for the conduct of the sport and are in no way a guarantee against injury or death to a participant, spectator, or official. The race director shall be empowered to permit reasonable and appropriate deviation from any of the specifications herein or impose any further restrictions that in his opinion do not alter the minimum acceptable requirements. NO EXPRESSED OR IMPLIED WARRANTY OF SAFETY SHALL RESULT FROM SUCH ALTERATION OF SPECIFICATIONS. Any interpretation or deviation of these rules is left to the discretion of the officials.

IMAGES, PHOTOS and VIDEO. All images, videotape, camera film, etc… taken on Altus Speedway grounds remains the property of Altus Speedway. All drivers/owners should inform their crew members, fans and families that no images may be used for commercial gain without written permission from Altus Speedway, LLC. Anyone found publishing images taken at Altus Speedway without written permission would be in breach of copyright laws. Altus Speedway reserves the right to restrict any person or persons from photographing events held at this facility. Furthermore, Altus Speedway reserves the right to confiscate any film taken of any event.


 Rules apply at all times while on track. Snell-rated SA2000, SA2005 or SA2010 helmet required. Roll bar padding required in driver compartment (Fire retardant recommended). SFI -approved full fire suit reguired. Fire retardant gloves, shoes and neck brace (or head and neck restraint) required. Right and left seat head supports required if using head restraint system with no neck collar. 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. Minimum three inch (two'inch with head restraint system) wide SFI-approved five point safety belt assembly required (Y-type shoulder harness not allowed), must be mounted securely to roll cage, recommended to be no more than two years old. Kill switch required and must be clearly marked 'OFF' and 'ON'.

 Any perimeter conventional coil spring frame. Tube chassis, stock stub or stock frame. Front and rear tube chassis must be minimum 2x3 tubing and main center section must be minimum 3x4 tubing. Minimum wheelbase 112-inches. Stock frames from front to rear with factory 4 link may be 108 inch wheelbase.

Must consist of continuous hoops, minimum 1.75 inch O.D. tubing, with a minimum wall thickness of.095 inch for main cage. Cages must be steel or chrome-moly. Must have 4 bars from cage to rear of frame. X-bracing is allowed. 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. Must have 4 door bars on driver's side and door bars or X on passenger side.

4. BODY:
Aftermarket bodies must be from a approved manufacture like Five Star, ARP and so forth, and all measurements will be from the manufactures diagram. Hand fabricated Nascar bodies ok.

Floor pan must be metal or aluminum and cover entire driver compartment. Aluminum high-back seat only, must be securely bolted, using minimum 0.375-inch bolts, to roll cage and support system. Bottom of seat can be no lower than bottom of frame rail. Driver must be sealed off from track, driveline, engine, fuel cell, cannisters and pumps. No oil coolers allowed in driver compartment. No devices that would enable driver adjustment to alter wheelbase or for weight jacking while in competition.

Must use OEM lower A-frames or aftermarket A frames cannot be tube type, and must accept bushing, no heim ends. Lower A-Frames must be equal length. Upper A-frame may be aftermarket (steel or aluminum cross shaft allowed). All A-frame bushings may be aftermarket. Spindles must be cast or forged, No tube type or wide 5 spindle allowed. Front and rear weight jacks ok. Safety hubs with 5/8 studs recommended.

Must use OEM style steering boxes. Pitman arm, idler arm and center link may be OEM or aftermarket. Outer tie rod ends may be replaced with heim ends and steel shafts. Steel steering shafts and knuckles only. Steering quickener (optional), steering wheel and quick release (required) may be aluminum. Driver compartment steering may be modified, must be kept on left side. No rack and pinion.

One steel, nonqdjustable, unaltered shock per wheel only. No air or coilover shocks, remote reservoir shocks, Schrader valves or bladder type valve allowed.

One steel spring (racing allowed) per wheel only. Minimum 4.S-inches O.D., non-progressive coils only. No torsion bars or air bags.

Must have 3 link, 4 link, truck arm or factory suspension, all arms must run forward of rear axle. No minimun or maximum length on rear control arms. Must use panhard bar or J-bar only. torque absorbing devices allowed on rear arms.

Passenger car, Ford g inch floater or quickchange ok. No wide 5 hubs. No lockers of any kind, mu$t use minispool or fullspool.

Teams can run the (USED only) 1070 Hoosier tires or the new 10'' Towel City Recap on a 15x10 max. racing wheel.

Single or dual piston caliper with pistons on same side. Single or dual aftermarket master cylinders allowed. Driver adjustable dual pedal brake bias allowed. Additional proportioning valve (in-line type) allowed. Front and Rear rotors may be aftermarket, minimum 0.810-inch thickness, maximum 12-inch O.D. Vented rotors only, no scalloped, ceramic coated, single phase or drilled rotors allowed. Rear caliper brackets must be welded or bolted to housing.

Any conventional header allowed, exhaust must exit behind driver either out door or turned down toward ground.

Racing fuel cell required, maximum 22 gallon capacity, must be in minimum 20 gauge steel cpntainer. Must mount with minimum two solid steel straps around entire cell, two incheswide and 0.125 inch thick, between frame rails and behind rear axle. Fuel cell vents, including cap vent, must have check valves. lf fuel cell does not have aircraft style positive seal filler neck/cap system - a flapper, spring or ball type filler rollover valve is required. No part of cell can be lower than protective tubing. OEM mounted, mechanical push rod fuel pumps only. No regulators, by pass fuel systems, pressurized, or return lines allowed. One fuel filter allowed. No cool cans. Any air cleaner allowed. Holley #4776 or #0-80540, 600 cfm carburetors on engines with 365 cubic inches or less. Engines with more than 365 cubic inches must run Holley 390 cfm carburetor. Must remain unaltered, circle track floats may be installed. No other carburetors allowed. Any adapter allowed, maximum 1.250-inches thick, including gaskets. No throttle bore adjustable carburetor spacers.

16. FUEL:
Gasoline only. Racing fuel allowed.

Minimum weight limit of 3,000 pounds after race with driver in car. Engines with dry sump system must weigh 3,100 pounds. Weights must not be used in driver compartment or outside body. All weights must be securely mounted with at least two, .5-inch bolts, painted white with car number on it. No titanium, magnesium, stainless steel or carbon fiber components. Solid steel fasteners only.

One 12-volt battery only. Must be shielded and securely mounted. Aftermarket starter allowed. Must have capability of starting without being pushed or pulled. Must leave initial staging area on demand, unaided, or go to rear of that race.

No unapproved cameras, timing retard controls, or digital gauges (including tach). No electronic monitoring computer devices capable of storing or transmitting information except memory recall analog tach. 12 volt ignition system , No crank triggers. All wiring must be visible for inspection. No electronic traction control devices.

Only OEM production transmissions allowed. No aftermarket transmissions allowed. No 'in and out' boxes or quick change devices allowed. With engine running and car in a still position, must be able to engage car in gear and move forward, then backward. Transmission fluid coolers allowed. Flywheel, flexplate and converter must be steel.

3, 4 or 5 speed OEM manual transmissions only. Must have functioning clutch and pressure plate bolted directly to steel flywheel. These components must rotate, consistent with engine rpm, while car is in any gear. Must use steel bellhousing 180 degrees around top of clutch and flywheel if using stock clutch. Hydraulic slave cylinder/throw out bearing allowed. Drive Shaft: Minimum 2-inch diameter, white, steel drive shaft only. Steel slip-yokes only. 360degree drive shaft loop required, constructed of at least 0.125-inch by Z-inch steel, or 1-inch tubing, mounted 6-inches back from front U-joint.

Rear of engine (bellhousing flange) must be mounted at least 91-inches fonrard from centerline of rear axle. One radiator allowed, steel or aluminum, must be mounted in front of engine. Racing cap and electric fans allowed. No sprinklers. Side engine mounts or front cradle ok, mid-plate allowed.

All engines must be able to be used in conventional passenger car without alterations. External engine casting and threaded holes cannot be altered. No aluminum, titaniumor carbon fiber components allowed.

Cast iron blocks only. Cubic inch limits: GM 365, Ford 363, Chrysler 370, and less may run 600 cfm carb. Engines over those cubic inches will be required to run 390 cfm carb.FLAT TOP PISTONS ONLY, IF YOU RUN POP UP PISTONS YOU WILL BE REQUIRED TO RUN THE 390 CFM CARBURATOR. No big block engines. Racing oil pans allowed. Engine bolts may be aftermarket. Fluid dampener balancer allowed. No roller bearings allowed. May use remote mounted oil filter and or oil cooler.
May run GM crate engine 603 or 604. Ford crate engine S347JR or Z351SR.
Dodge crate engine 949 or 958. All crate engines must be factory sealed and may
run holley 650 cfm carb. All crate engines will be required to run a 6200 RPM

Steel only. Any 23 degree cast iron head. Headers must bolt directly to heads with conect numbers. Flat milling allowed. Guide plates, screw-in shouldered studs, polylocks and stud girdles allowed. Any length push rods allowed.

Any aluminum or cast iron production intake allowed.
(No hand fabricated intakes allowed.)

Any flat tappet cam and lifters allowed.




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