FOUR CYLINDER ENDURO RULES

Any Four Cylinder Front Wheel Drive Cars, except the following: No Convertibles, No Trucks, No Two Seat Coupes, No Turbo or Super Charged Engines, No Multi Carburetors, No Rotary Engines, No Mid or Rear Engine Cars, and No Cosworth Engines. Factory Stock Fuel injection only.  Honda CRX is OK.

Maximum Wheelbase – 105”

Complete Stock Body – front to rear, stock frame, stock suspension, stock front & rear firewalls, Stock, Stock, Stock! All trunks & hoods will have working stock hinges. Hoods & trunks must be secured with hood pins only – remove all factory hood & trunk latches. Bumpers may be chained or strapped to frame. All holes in firewalls or floor must be covered with metal. Steering and suspension must be stock - no modifications. ½” camber allowed, measured with a carpenter square.

Dashboard, Steering & Pedals must be Stock – Cars must and have a working horn or radio, with the steering collum and dash intact. No Mirrors. All cars must start with a key, or use a push button/toggle switch hooked directly to the steering collum wiring harness.  The vinyl cover on the dash may be removed. 

All Glass except for the windshield must be removed. Lexon windshield is OK. All loose glass must be vacuumed out of the car.  All wheel weights must be removed from every tire that you are racing on, including your spares.  You must take off each tire, and check for wheel weights on the inside and outside of the wheel.  If you get up to the tech area  with any wheel weights on your wheels, you will be sent back to the pits to remove all wheels and inspect them inside and out.

All Insulation & Upholstery under the hood, on the floor, and in the interior of the car must be removed. All headlights, taillights, loose chrome, etc. must be removed from the car.

Stock Transmission for that make & model of the car.

Battery may be relocated, strapped securely, and covered.

Stock Exhaust System with muffler, exiting behind the driver’s seat. Maximum exhaust size will be 2”.

Gas Tank – If the stock gas tank is located ahead of the rear axle, it may remain in place. Any tank behind the rear end must be replaced & relocated in the trunk. Use a small fuel cell (8 gal or smaller) or a boat gas tank. Fuel cell or boat gas tank will be mounted in the farthest forward area of the trunk, securely fastened with at least 4 straps. Rear firewall must be enclosed if the gas tank is placed in the trunk.

Tires & Wheels – Stock wheels for that make & model of car. Right front wheel may be replaced with a safety wheel. All wheels will be a maximum of 15” x 6” wide. All wheels & tires will be the same size & profile on all 4 corners. Approved passenger car tires only, No low profile, trick or exotic tires. Maximum tire width is a 70 series tire (No 65 or 60 series tires) .  Maximum size for a 15" wheel is a 205 - 70.

Safety Requirements – A rollover bar is required, just behind the driver’s seat. The minimum tubing size is 1½” x .095 thickness, and must be securely welded or bolted to the car. All cars must have a minimum of 3 door bars on the driver’s side, built in as part of your roll cage. The front portion of the 4-post cage must go up over or under the steering column and over to the right side of the cage. This will be the material that the door bars will tie into. Any rear bars that kick to the back, can be no closer than 6” to a shock or strut tower. No removing of any interior body panels, except for clearance for driver’s side doorbars. Drivers side door plates are recommended, either over the door bars, or they can be welded or bolted to the outside of the drivers side door, overlapping the front and back door seam. Both doors must be welded or chained shut. If a stock seat is used, make sure all tracks are bolted in place. The back of the seat must be secured to the back of the rollbar. A racing seat, mounted to the roll cage is OK. A drivers side window net is required - must be able to unlatch for easy driver exit.  A set of racing seat belts and shoulder harnesses are required, mounted in a safe and proper fashion. Helmet must meet minimum DOT standards, a Snell SA95 or newerapproved helmet is suggested. Gloves and a long sleeved garment are required, a racing firesuit and gloves are strongly recommended.  No lead/concrete ballast may be added to enduro cars of any kind.

If you have noticed in the above rules, we have used the word Stock at least 30 times. Keep these cars stock, make them safe, and come on out and have a good time. All cars will be teched for safety and for rule violations. Don’t try to read between the rules, this class is for fun. 

    I96 Speedway Officials will have the final word on the eligibility of any car, so call if you have a question. Remember, simple, cheap, and fun!!