.2010 Sportsman
*THE INTENT AND INTERPRETATION OF THE RULES WILL BE THE DECISION OF OFFICIALS IN CHARGE. IT IS STRONGLY RECOMMENDED THAT ANY COMPETITOR THAT HAS ANY QUESTIONS OR DOUBT ABOUT THE INTERPRETATION OR INTENT OF THE RULES CHECK WITH SPEEDWAY OFFICIALS.
ALL DECISIONS OF THE OFFICIAL IN CHARGE SHALL BE FINAL.
GENERAL
1. Anything not specified in rules must be stock, in original position, from original manufacturer.
2. American made cars 108" wheel base minimum.
3. Cars must weigh minimum 3000 lbs. with driver. 400 Cubic Inch engines must weigh 3100 lbs. with driver. 56% left side weight.
4. Weight may be added for infraction of rules to make competition equal.
ENGINE & DRIVE TRAIN
1. Must be factory stock for make of car. Stock stroke. Max. .060 bore.
2. Flat top or dish pistons. Hydraulic cam shaft only. May run roller rocker arms.
3. GM Crate Motor #88958602, 4 barrell, 100 lb. weight break
4. Stock cast iron heads as available from manufacturer. (NO porting or polishing). 2.020 Intake Valve and 1.600 Exhaust Valves may be run, no valves larger on Chevy’s. Chevys may run Aluminum intake. NO porting or polishing intake. NO off road or aftermarket heads. NO angle plug heads. Headers may be run. Headers must be under the car. Ford & Chrysler may run aluminum intake. May run Dart Heads casting #I052 with 1.940 & 1.500 valves. No grinding whatsoever. Bowl work only.
5. Carburetors must be 500 cfm #4412. 1-11/16 throttle bore. Four barrel carb. with cast iron manifolds #3310 - 750 max. (NO double pumpers) Max. 1" adaptor. No spacers. NO COLD AIR BOXES.
6. Flywheels pressure plates or clutch disc.) May run remote cooler.
7. Stock rear ends for make, any year (may change ratio). May run locked rear ends. 9" Ford in stock mounts 50 lbs penalty.
8. Battery can be located in drivers compartment if covered.
9. Stock ignition. Must be self-starting. NO electric fuel pumps.
10. Engine must be in original stock position. Fuel pump in front of cross member. No cutting, lowering or raising cross member or weight will be added in front of firewall. Crankshaft height must be at least 13" from ground to center of crank shaft.
11. Headers may be run.
12. If engine is set back and frame is cut out, 50 lbs. penalty.
SUSPENSION
1. Front spindle/axle/ball joint assemblies may be reinforced, or heavier duty unit from another passenger car installed.
2. Must have stock frame. Frame may be reinforced. No notching or alteration to frame. Suspension type and location must remain stock.
3. Spring mounting will be stock and in stock position. May run wedge bolts. Shocks may be relocated on front and rear.
4. Uni-body frame sections may be connected as part of roll cage construction. A-frames must be stock, may run tubular upper A Frames. Stock Lower A Frame.
5. One shock absorber per wheel only.
6. NO frame lower than 6" from the ground.
7. NO offset roll cage.
BODY AND APPEARANCE
1. Remove all glass except front windshield. May be Lexan
2. May make door and fenders out of Aluminum or steel. Must have Steel Roof and Quarter panel.
3. Firewall, floor pan must remain stock. Hoods may be hulled or be fiberglass
4. Body must be stock appearing in stock position on frame. Must have steel roof and quarter panels.
5. Cars must have neat appearance. NO lower than 6"on Body
6. Car must be safe in all ways possible. (See General Rules)
WHEELS, BRAKES AND TIRES
1. Steel wheels - maximum width 8".
2. Disc Brakes may be run. No Neal pedals for brakes. One master cylinder.
3. TIRES: Track tires - American Racer or KK704.
PENALTYS
After market body 100 lb.
Motor set back with frame cut out 50 lb
Suspension Point not stock 50 lb
Suspension Parts not stock 50 lb per infraction
Triple Disc Clutch (7 1/4" only) 50 lb.
9" Ford with stock mounts 50 lb
Fiber glass body 150 lbs
Disc Brake on rear 50 lbs
Dual master cylinder 50 lbs.
IF CAUGHT CHEATING $100.00 FINE ($50 to tech man)
PROTEST RULE Protest must be handled in as stated in General Rules.
1. $125 to see top end of motor - $125 to see bottom end of motor. $25 to pull valve covers. $50 to pull intake - $50 to pull clutch and flywheel. $25 to check wheels.
THE WINNER FROM LAST RACE WILL START ON REAR OF NEXT RACE UNLESS IT IS A SPECIAL EVENT
* If the rules don’t say you CAN you CAN’T!