A. Rear wheel drive compact four cylinder cars allowed.
B. Must be stock appearing.
C. Must have full stock body, firewall and floor pan.
Replacement sheet metal panels OK as long as maintaining
stock appearance. Top and back deck must be factory or
D. Must have tow hooks, front/rear.
A. Must match make of car and be in original position and
powered by gasoline only.
B. Hydraulic cams and lifters only.
C. Lower end stock only,= .060 allowed. Must be stock cast
replacement piston or hypereutectic type piston only. No
forged or lightweight pistons or pins. No lightning of
crankshafts. 5.4 length factory stock 4 cylinder rod is
D. No high performance parts permitted unless otherwise
E. No roller rocker arms
F. Cranking compression- 175lbs. with 0 tolerance. Will be
checked with all plugs removed and throttle wide open until
needle stops. If battery appears weak, charger may be
G. May run aftermarket pulleys, cam and crank.
H. Ignition: Stock ignition only. No MSD.
A.Stock factory steel head only NO MARINE HEADS
B. Valves must be stock diameter .010 tolerance and no
longer than stock length
GM.2300cc 1.620-1.375/ 2474cc.1.72-1.50
Ford 2300 1.73-1.50
Nissan 2389c-1.657-1.5 Toyata2366-1.72-1.457
C. Valve job shall not exceed ¾” from bottom of valve seat
to bottom of cut off.
D. Windage trays or aftermarket pan
A. Intake- Stock only. No polishing, porting or modifying.
No fuel injected intake.
B. Carburetor 4412 holley or smaller .1”spacer plate max.
Carb must have choke horn and part number. $250 claim price
5. Exhaust - Headers allowed. $300.00.claim price
A. Stock clutch, pressure plate, and flywheel.
B. Flywheel must weigh a minimum of 13 lbs. no modifactions
C Must have 2” inspection hole in bottom of bellhousing
D. Driveshafts: Steel, Factory only
A. Wheels – 8 in. max. steel wheel max. Beadlock RR and RF.
B. Tires - No racing or recapped tires. 7 1/2” maximum.
8. Suspension -Racing shocks permitted.A $70.00 claim
price on shocks Must be stock length and mount same as
factory location Rear axle may be locked. Wedge bolts legal
9. Weight – 1 lb Per CC, Minimum Weighed 2000lbs, .
Weight Must be displayed on left front fender. PROTEST WILL
BE BASED ON WEIGHT THAT IS ON CAR Chevy's Only 2500 Max
10. General - Stock parts, stock position.
11. Must have working fire extinguisher, driver fire suit,
helmet with shield and must have safety belts.
12. 1” diameter lug nuts minimum.
13. Mufflers or similar type of exhaust sound muffling
device is required. Winchester Only.
Fuel injection Must pull 18 in. vacuum at 900 rpm.add
100 lbs. no compression rule
15.Front wheel drives: No Honda vtec, no turbows,Must
pull 18 in vacuum at 900rpm
ANY TIME IN DOUBT