For the purposes of this rule book and governing events at the speedway, the word "stock" means: - Available on stock passenger car models, from the car manufacturer, installed per the manufacturers specifications, with no modifications, visual or technical, stock appearing, stock performing unless as otherwise noted in this rule book. All items not mentioned are to be Stock.

It is the intent to provide a class of cars which:

Are fast and challenging to drive but less expensive to build, operate and maintain while providing close and exciting competition for the fans and the competitors. The emphasis in this class will be placed on the driver, his crew and their setup and driving skills. This class will generally be considered for more experienced ThunderCat drivers who wish to move to a higher division but are not yet ready for a rear wheel drive division.

Any Stock front or rear wheel drives up to and including 2002 with 101 - 145 net horsepower as determined by the speedway.  Models includes but is not limited to the following sample:

Honda or Acura 1.6, 1.8, 2.0 or 2.2L,

Toyota 1.6 or 1.2L GTS

Nissan 2.0 w/EFI

Dodge 2.0, 2.2, 2.5 L or 3.3L (vibration rods may be removed for better performance)

Isuzu Impulse, I-Mark

VW Quantum (2.2L), Golf GT, GTI 1.8L, Golf GL or GLI

Volvo 240 GL, or GLE

Ford 2.3 Litre CFI, 1.9 Litre EFI, or 3.0L (V6)

GM 2.2L, 2.8L (V6) or 3.1L (V6).

Newer and other models of cars may also be eligible to race. If your car isn’t on the list call us. It is most likely eligible to race.

No Honda CRX models

Stock.

All glass must be removed except windshield.

All doors must be welded and / or bolted shut.

A minimum 18" high 1/4" thick drivers side door plat, at drivers height, is mandatory.

All cars must begin the day with a complete body (hood, doors, fenders, trunk, etc.).

The top 8" of the Windshield must be kept open for the class sponsor.  In addition the space behind the front right wheel and in fron to of the door numbers must be left open for contingency award sponsors.

Stock.

Rear wheel drive models must have a drive shaft hoop.

Stock.

Any H rated, up to P205 60R x 15 series, radial tire.

May use up to a 7" wide stock steel rim for make and model of the car . All 4 rims must be identical.

No recaps or retread tires allowed.

Minimum camber of -1 negative and a maximum camber of +4 positive for rear wheel drives.

Minimum camber of -1 negative and a maximum camber of +6 positive for front wheel drives.

Tires must meet tech guidelines and may be disallowed based on the sole judement of the tech.

Fuel cell and racing seat allowed but not required.

Steel marine tank, centered in trunk with PVC valve on vent line is acceptable. 8 gallon fuel cell also acceptable.

Steel 22 gauge fire wall to separate cell from driver required.

An H type roll bar with one horizontal pipe (per side) fastened to the roof and floor (with a sandwich plate) is required. Seat must be fastened to H bar in rear.

Dash may be removed.

A full "4 point" roll cage is allowed.  Cage may not have any forward bracing or cross bracing whatsoever. All tubing must be .095 standard tubing and will be drilled by the tech for verification.
The frame can not be lower than 7" to the ground at any point. Spring spacers may be used to raise the car for clearance purposes.
Window net is required.

Door plate must be carriage bolted into frame or securely welded to the car

Interior must be removed except drivers seat and dash.

Must have an easily reached safety cut off switch.

Must have a minimum aircraft type seat belt with shoulder harness or a 4 point racing harness.

Must have a properly charged fire extinguisher (minimum of 2.5 lbs) within reach of the driver.

Must have either a drivers fire suit or fire treated cotton overalls.

Must have your seat in original position, bolted to frame and connected to roll cage.

Rookies may use a rounded / opaque left side mirror a maximum of 5 inches in diameter in their first season.

No scoops or air dams.

No spoilers.

No glass except for the front windshield.

Battery may be repositioned anywhere within the car. Must be securely fastened and covered if in the drivers compartment.

Stock.

All engines in all models are to remain Stock and unmodified inside and outside.

Stock Ignition and Rad. Overflow tank required for Rad.

Stock fan.

Stock air box and filter.

A $350 Engine Claim rule will be in effect.

Any car which wins three features will have it’s engine claimed by the speedway.

Refusing a claim means disqualification.  Anyone refusing a claim will lose his points and purse for that event.

Claim includes Carburetor, Intake, Oil Pan, Distributor and Water Pump.

No weights are required or allowed.
The tech reserves the right to add weight to a car or a specific area of a car based on competitiveness.

Exceptions are the following cars which will have these minimum weights:

Maximum Left Side Weight percentage is 53% for all cars.

Stock.

Front strut towers may be reinforced with one horizontal bar.

Vehicle can not be lower than 7" from any point on the body to the ground.

Exhaust pipe(s) must be no more than 1 and 3/4 in outside diameter and exit passenger side 1 foot in front of rear wheel.

Stock Manifolds only.

No Headers or "header like" manifolds even if available stock.