Chassis:
Stock clip only
Crossmember can be reworked
Stock lower A arms only
No rack and pinion steering
Stock-type steering box only
Fabricated spindles permitted
Wedge bolts only
No coil spring sliders
Tubular sway bar and spline bar permitted
2600 pounds

Engine Rules:
Cast iron block only
23 degree cast iron heads only
Any intake
Valve lift not over .550
Valve spring pressure 135 after the race
No electric fuel pumps
Engine compression cubic inch not limited
Gasoline only
500CFM 2-barrel carburetor only - must check top and bottom
No dry sumps
Flat tappet cam only - no rollers

Clutch and Transmission:
No clutch smaller than 7.25
No rear mount bell housing
No Jerico/Raptor/Brinn/Burt/Falcon Transmissions
No direct drive
No in-and-out gear box trensmission

Hubs, Wheels, Brakes and Rear-Ends:
Quick change permitted
Steel and aluminum axles permitted
Aluminum hubs permitted
10" Steel wheels only (any offset)
1 Piston steel calipers only

Shocks and Springs:
No coil overs
No coil overs sliders
No bump stops or coil binding
No schrader valves or needle valves
No single adjustable or double adjustable shocks
No springs smaller than 5"
Shock cliam rule: $400 total (all 4 shocks must be exchanged)

Fuel Cell:
Fuel cell mandatory
8"minimum ground clearance
Steel container with 4 straps
Fuel cell guard

Body Rules:
A. A measurement between 79" and 80" over front tires, steadly decreasing in width in a straight line to between 77" and 78" at center of doors, then 76"at the center or rear axle,to a maximum of 72" at the rear spoiler. Spoiler must be mounted centered on wheel base of car. A measurement between 78" and 82" is allowed at the bottom of the door between front and rear tires. Tapers must be equalon both sides; cars will be measured diagonally to check for square.

1. Wheel flairs cannot extend past sidewall of tire and cannotextend past rear of tire, and be no higher than actual quarter panel or fender.
2.46" maximum center of axle to rear of car.

B.Spoiler

1. 72" Maximum width
2. 46" Maximumset back, both left and right side (center of rear axle to base)
3. 6" maximum height from base to top
4. 40" high from ground
5. Spoiler thickness must be minimum 1/8"
6. Spoiler bracing must run forward and attach to removable deck
7. Cable or wire allowed

C. Hood and Roof

1. Hood: No scoops, no louvers, one air intake opening allowed but must fit from nose piece to windshield (no air gaps)
2. Manufactured type, no homemade or flat surface roofs allowed.
3. 45"minimum roof height measured 10" back from front windshield
4. 45" minimum width side-to-side
5. 22" x 12" minimum window openings. Must be rectangular shape, no radius. Driver must be able to exit car with helmet on. Window must be open from 4" shelf to roof.

If you have any questions, please call Dale Finley, Thirty-Six Racing and Fabrication at 256-527-3637.