Post by Preston32 on Sept 13, 2010 16:01:50 GMT -5
A. GENERAL
1. No spotter radios permitted.
2. Fire suit and SA 95 or newer helmet required.
B. BODIES
1. All flammable materials inside car must be removed.
2. All glass must be removed, i.e. door glass, headlights, etc.
3. Windshield or mesh wire screen mandatory. Factory glass replacement or LEXAN.
4. NO PLEXIGLASS.
5. Bodies must remain stock appearing and neat at all times.
6. Numbers: minimum 20" on doors and 24" on roof. Must be able to read from drivers side.
7. NO SPRAY OR PAINTED NUMBERS.
8. Aftermarket nose and tail pieces allowed.
9. Rear spoiler okay. 6" maximum height.
10. Must have a minimum of 2 hood pins in front and back, or hinges in back.
C. INTERIOR
1. Aluminum racing seat MANDATORY.
2. Must have minimum 3" wide shoulder harness.
3. Must have minimum 2 pound fire extinguisher with a gauge and quick release mounted securely in car within reach of driver while belted in.
4. Left side window net required. Must have quick release that releases from top.
5. All other side windows and door openings must remain open.
6. Battery must be enclosed in a safe manner and approved by Competition Director.
7. Interior enclosures are allowed, but must have inspection ports.
8. Interior must be complete and shield driver from fuel cell, ground, and engine compartment.
9. Fuel cell must be enclosed and mounted in a safe manner. Must be approved by Competition Director.
D. ROLL CAGE AND CHASSIS
1. All roll cages must be approved by Competition Director.
2. Minimum 4 point cage with 3 drivers door bars and 2 passenger door bars.
3. Minimum 1 ½” x .083” tubing. DOM tubing highly recommended.
4. Stock frame, as manufactured. May be tied together with tubing.
5. No tube chassis
6. Stock wheelbase as manufactured.
E. SUSPENSION
1. All must be in STOCK LOCATION.
2. NON-Adjustable Sway Bar/Panhard Bar MUST BE IN STOCK LOCATION
3. A-arms may be modified. NO tubular A-arms.
4. Stock steering, as manufactured.
5. No weight jacks / screws.
6. NON ADJUSTABLE Racing Springs and Shocks ALLOWED. ( $50.00
Claimer Each )
F. DRIVETRAIN
1. Stock Chevette factory transmission ONLY.
2. NO Aluminum Flywheel.
3. Flywheel must NOT be milled thinner than ring gear.
4. Drive shaft must be painted white.
5. Must have drive shaft loop. Minimum 2” x ¼” thick steel flat stock.
G. ENGINE
1. Chevette engines ONLY.
2. Stock intake only. NO PORTING AND POLISHING. Must run 1 barrel carb. with 1 barrel intake / 2 barrel carb. with 2 barrel intake. NO ADAPTER PLATES OR SPACERS.
3. Any grind camshaft. Adjustable cam pulley allowed.
4. Cast iron Chevette cylinder head only. ( Casting #110, 151, 343, 363, 395, or 678)
5. Oversized valves allowed - NO TITANIUM.
6. Porting and polishing allowed.
7. Hydraulic or Solid lifters allowed.
8. Maximum 3.288” +.060” bore (.008” tolerance)
9. Cast flat top or dish pistons ONLY.
10. No floating wrist pins.
11. Chevette connecting rods ONLY. May be lightened.
12. Chevette crankshaft ONLY. May be lightened. STOCK STROKE. (2.980” 1.6L / 2.606” 1.4L)
13. Wet sump oil system.
14. MAXIMUM 210 psi compression limit.
H. CARBURETOR
1. Any carburetor that will bolt to a stock Chevette intake. NO ADAPTER PLATES OR SPACERS.
I. AIR INTAKE
1. Air cleaner can protrude through hood no more than 2 inches.
J. FUEL SYSTEMS
1. No electric fuel pumps.
K. COOLING SYSTEM
1. Aluminum racing radiators are allowed.
2. NO antifreeze in radiator. $200 fine if caught using antifreeze. This will be strictly enforced.
L. DIFFERENTIAL
1. Chevette factory differentials ONLY.
2. 3.36 3.70 gear ratio ONLY. NO 4.11’s
3. Stock housing, rear differential may be welded.
4. Spring buckets, and all mounting points, MUST REMAIN STOCK.
M. BRAKES
1. Brakes on all four wheels must be functional.
N. EXHAUST
1. Headers are allowed.
2. Exhaust must exit behind driver.
3. 100 dba will be enforced.
O. TIRES AND WHEELS
1. Any DOT tire 50, 60, or 70 series allowed.
2. NO V, VR, Z or ZR rated tires.
3. Steel wheels ONLY. Any offset allowed.
4. 13 inch X 7" or 8" wheels only.
P. WEIGHT
1. Minimum weight is 1900 pounds.
2. MAXIMUM 55% left side weight.
3. Added weight must be securely bolted to roll cage or chassis.
4. Weight must be painted white and have car number.
