REVISED 2008 RULES DENOTED IN RED, BOLD, ITALIC TEXT
Body
134. No station wagons, pickups, four wheel drive vehicles or convertibles. No coil Over Chassis permitted.
135. Wheelbase to remain stock, not less than 99 inches originally. Wheelbase to match chassis.
136. A fuel cell is mandatory, minimum of 16 gallons. Fuel cell must be encased in metal (20guage steel only) Trunk may be cut to allow for installation of cell, however, no part of the fuel cell may be lower than the center of the rear axle housing. There must be a fuel shut off valve located within 12 inches of the fuel cell. No plastic or nylon material allowed in fuel line. Fuel line inside the car must be encased in steel tubing from fire wall to fire wall. Fuel cell must be mounted within the frame with a vent. Ball type check valve for fuel cell vent mandatory. Gas Only.
137. All doors must be welded shut or bolted.
138. All glass must be removed and replaced with Screen 1/2" or smaller, should cover width of roll cage. Window net mandatory on driver’s side.
139. Hood and trunk latches and springs must be removed and hood secured with straps or hood pins.
140. Bumper and bumper brackets must be welded to frame. Chains must be welded from each side of bumper to frame to prevent bumper from falling off onto the race track. A non visible reinforcing pipe (1-1/2 inch maximum) can be used behind bumper but must be secured to the frame. Must have chains or tow hook. Bumper caps are mandatory. Car will be disqualified if bumper cover comes off and anything other than a stock bumper is exposed.
141. Head lights, tail lights and bulbs must be removed.
142. Battery must be encased in marine style battery box. Battery not permitted in drivers compartment.
143. Rear seat cushion must be removed and complete 22 gauge steel sheet metal firewall installed.
144. A racing seat is mandatory, located in stock position and securely mounted to the roll cage. Head rest mandatory. Drivers seat may be no further back than 56 inches measured from the vertical section of the firewall to the back of the seat cushion area.
145. Approved racing seat belts and shoulder harness mandatory. It is the drivers responsibility to make sure that belts are not more than 5 years old and periodically inspect belts and harness for wear.
146. Fenders may be cut for tire clearance only. No excessive cutting. All edges rolled in.
147. Complete body of car must remain stock. After market bodies that have been approved by tech crew permitted. Stock appearing doors and trunk or deck lids permitted. Must have fullfactory floor to the back of drivers seat. In case of rust, floor can be patched, but it cannot be removed. Full factory floors must remain intact on all uni-body cars from front to back firewall to prove originality of frame rail location. Rear seat area may be boxed in using steel sheet metal from the center of the drivers seat to rear window shelf and must angle, not flat to the spoiler.
148. Approved after market body panels permitted as listed. Must be steel. Acceptable bodies include 5 STAR Monte Carlo stock body, the 5 STAR and performance Camaro front fenders, hood, and door panels may be used, however, rear quarter panel and trunk lid and roof must remain stock. Car must have rear body panel or aftermarket bumper cover. Any body can be used on any chassis but must be in manufacters line GM-GM, FORD-FORD etc. The body panels must be the same style front and back. (Example - Camaro front end. Must use Camaro rear quarter panels and deck. Monte Carlo front end must use Monte Carlo quarter panels and deck. ) Stock window dimentions and stock roof post angle and dimention.
149. Frame must remain stock from front to rear. In case of rust it may be plated, but not removed unless it is replaced with a section of stock frame and to factory dimentions.
150. No skirting, plastic or rubber.
151. Unibody cars must use a frame of 10 inches in circumference (2" X 3" box tubing) to tie front and rear sub-frame together only. On cars over 103" wheelbase box tubing may not extend beyond stock front or rear sub-frame or front or back firewall. On cars under 103" wheel base, box tubing may extend 7 inches in front of front firewall with tubing not extending further than the center of bottom rear a-arm mount. On front frame horns, tubing may extend from front bumper to 2 inches past bottom bolt on steering box mount (24 inch maximum and must have a 1/2" hole to check). Stock front frame may be plated with 1/8 inch flat steel on the top of frame only in order to weld engine loop down tube. On rear of car, tubing may extend to center of rear axle. No part of the suspension may be mounted to tubing, front or rear.
152. Quick couple steering wheel permitted, but no plastic steering wheel releases. Rack and pinion steering may only be used if it was factory installed on chassis used. Steering quickner permitted. All steering shafts must contain at least one U joint.
Engine
153. The engine must be stock appearing in the car as originally manufactured for that make and model and remain in its original mounted position. 350 Cubic inch block numbers only. Maximum 360 cubic inches. Stroke must remain stock except GM may use 3.48 or 3.50 crank. Head must be cast iron. Dart Sportsman and Eagle heads permitted. Roller rocker and roller tips permitted. Individual rocker arm on individual stud only unless stock production ( example - MOPAR ). No Rev kits. Stud girdle permitted. No roller cams. Maximum valve spring prssure of 150 pounds. Heads and intakes must have markings. Maximimum measurement from center intake bolt to bottom of carburetor not to exceed 4 3\4inches. Must be battery type ignition. MSD ignitions permitted with internal and external coil but no MSD box. Ford may use Ford ignition box. Aftermarket coil permitted.
154. Must be battery type ignition, no magnetos.
155. No dry sump.
156. No electric fuel pumps permitted.
157. Engine must be piston driven. No turbo, fuel injection or rotary engines.
158. No oil coolers or radiators in cockpit.
159. Aftermarket oil pans permitted. No vaccuum pumps.
Carburetor
160. One 2 barrel or one 4 barrel only.
161. No throttle body celluloid operated carburetors.
Suspension
162. Spring pockets must remain stock in stock location.
163. Weight jacks allowed front and rear for coil spring cars, front only for leaf cars.
164. Coil spring cars: third link allowed. No springloaded bars. Panhard bar allowed, mounted on center of rear housing on left side only. Slider on right side frame with welded adjustment stops 2" above and 2" below center line of axle tube to center of heim. Bar length no less than 30" mounted behind rear housing only. Must be steel. Lower rear control arms must remain stock and of stock dimension.
165. Tubular upper a-arms allowed on stock fixtures in stock location. (Exception: left front top a-arm mount may be moved)
166. Four link setup with adjustable upper arms allowed.
167. Stock spindle only. Must be made by manufacturer of car being used. No interchanging. NO NASCAR type spindles.
168. All suspension components should remain of stock design and of stock dimension.
169. Offset upper control arm shafts permitted, Camaro and Firebird only.
170. Leaf spring cars: Any multi-leaf spring (GM-GM, Chry-Chry). 5" shackle max... Front leaf spring pocket must remain stock in stock location. 2" maximum lowering block. Rear leaf spring mounting is optional, i.e. (sliders allowed, jack bolt with shackle) Adjustable lowering block permitted.
BRAKES
171. Four wheel brakes must be in good working order at all times. Duel master cylinder with balance bar mounted inside or outside of firewall. Choice of balance bar or proportion valve, one or the other not both. No plastic in brake lines permitted.
Roll Cage & Bars
172. Complete driver protection roll cage is mandatory.
173. Cage must consist of inch and one half (1-1/2") OD pipe mounted and welded to the top of the frame. Pipe must have a wall thickness not less than .095; .120 wall recommended. Pipe or tubing only, no angle iron or any other substitute metal can be used. No pipe fittings may be used in cage. Must have vent window bars. A bar may be installed under vent to frame on right side of cage. This is the only piece of roll cage that can be 1 inch or bigger (.095). This is optional.
174. Must have one bar on each side in front and one bar on each side in the rear of the driver. Must have three (3) bars along side door of driver, two (2) bars on the passenger side door and one (1) vent window bar. THIS IS MANDATORY. No exterior plating or bracing allowed. A passenger side vent window bar is recommended.
175. Any part of roll cage that could come in contact with driver must be padded.
176. Engine loop bar must tie into down tubes on front of cage.
177. Rub rails optional but must enter and exit body, be rounded on ends, be right against the body and be securely fastened (1 rail per side, 1-1/2" maximum).
Transmission and Rear End
178. 9" Ford rear optional with stock mounts in stock location. All steel parts. Aftermarket axles recommended. Grand National style rears permitted. NO Quick change rears. No aluminum (inc. calipers, rotors, hats, spools). Locked rear mandatory. No ratchet rears.
179. Factory stamped trans only. Must have reverse and all forward gears working. Automatics must have working converter and be a factory trans.
180. Stock type clutch only. No aluminum pressure plate or flywheels, must be 10-1/2 inch diameter or larger ( NO 10,000 rpm clutches ). Must use blow proof bell housing.
181. Drive shaft loops required. Front & back 360 degree. Back 12" - 18" from the rear. No aluminum drive shafts.
182. Drive shaft must be painted white.
Tires & Wheels
183. Right rear tire must be an 8 inch Hoosier tire which is available in the following sizes:
-
26.0/8.0-15
-
26.5/8.0-15
-
27.5/8.0-15
Any Hoosier tire must be a Medium compound only.
This tire is mandatory on the right rear and optional on the other three corners.
Left rear and front tires may be a 60 series stock passenger tire. No recaps.
184. Tires must be at least 45 hardness or harder after any event as measured by speedway durometer.
185. Large wheel lug nuts mandatory
186. Grooving of tires permitted.
187. 8" maximum wheel width. No Wheel adapters. Wheel spacers are allowed. Wheel covers allowed.
188. Bead locks are allowed, wheels (8" X 15") only.
*Any item not listed in rules should be considered stock for the chassis being used.*
Lettering
- Must have four (4) number locations on each race car; one (1) on each side of the front doors, one (1) on lower face of rear trunk lid and one (1) number on roof.
- Numbers must be at least eighteen (18) inches in height and three (3) inches wide.
- Number colors must contrast car color.
- All lettering must be presentable to the public at all times.
Any additional builders specifications not shown or listed herein must be considered to be strictly stock as the car was originally manufactured for that make and model.
It is the responsibility of the driver to race a legal car according to these rules.
There is a red light at each track entrance If this red light is on the track has been closed and no one will be permitted to enter the track. Any car, which proceeds through the gate when the light is red, will be disqualified. The red pit gate light will be turned on when the track lights are turned off.