USC general track rules supersede car division rules. 2008 division rules supersede all previous editions of the rules for HOBBY STOCK. Minimum age to compete in Hobby Stock is 14 years old.

DEFINITION

The word “stock” will mean unaltered and as originally produced for that year, make and model, including after-market replacement parts.

BODY STYLE

The car body must be USA manufacturer, front-engine passenger.  Plastic nose and tailpieces are allowed.  FIBERGLASS OR ALUMINUM BODY PANELS ARE NOT ALLOWED.  Cars must have full stock bodies, including the hood, fenders, deck lid, and bumpers.  Body must remain in a stock position on the frame.  The tech committee MUST approve any cutting on the car body.

CHASSIS

The chassis must be one hundred (100) inch wheelbase, or more. It must remain the same type as the body being used (for example: Camaro for Camaro, etc).

WEIGHT

All cars must weight 3250 pounds, clean, with the driver.  All cars will be weighed first time on the track and randomly during the season.

BALLAST

The recommended ballast to be used is extra roll cage bars or other types of reinforcement. Any removable ballast mounting is subject to the Tech Committee’s approval.  A ballast weight attached to the car must be painted white and the car number painted on it.  A twenty-five ($25) dollar fine will be assessed to the driver if the ballast is lost on the racetrack.

WHEEL WELLS

Fenders may be reasonably trimmed for tire clearance only.  The front and rear inner wells may be removed but rear wells are recommended.

TRUNK AND HOOD

MUST BE SECURELY fastened. Must have quick release hood pins. No bolts and nuts. Holes may be cut in hood for air cleaner.

DOORS

Doors must be welded or bolted shut.

FLOORBOARD AND FIREWALL

The stock floor pan must remain intact for driver and front passenger compartments. The rear floor pan and firewall must be replaced with sheet metal if it is open or has been removed.  The front firewall must remain stock.

BUMPERS

A stock bumper with stock mounts where possible. All others are subject to approval by the Tech Committee.  Bumpers may be reinforced with one piece of pipe size one and five-eights (1 5/8”) inches maximum OD.  All pipes must be rounded on the edges. Reinforcements must be concealed.  Bumpers must be strapped to fenders. Front and rear tow loops are required and must be sufficient to lift car and allow easy hook up to tow truck. No exposed nerf bars allowed.  Rub rails will be allowed flush with body. (Max 1” for width by 2” for height).

WHEELS

Steel spoke wheels are allowed. No aluminum wheels.  Wheel offsets are optional. The maximum rim width is eight (8) inches. 1” lug nuts mandatory.

TIRES

Tires must be manufactured for use on passenger cars. The maximum width is ten and half (10 ½”) inches sidewall to sidewall.  No tolerance.  American Racer G60 tires with “IMCA” certification embedded into the sidewalls are allowed.  No wheel weights are allowed.

FRONT SUSPENSION

The front suspension MUST BE THE ORIGINAL TYPE with modifications for handling and safety.

REAR SUSPENSION

Stock mounting only.  Ford nine inch (9”) rear-ends are optional.  Lowering blocks or spacers are optional. Locked or posi-traction rear ends are permitted.

SHOCKS/SPRINGS

Racing springs and shocks are allowed in stock mounting position only.  No coil-over units allowed.  Second right front shock is optional.

ENGINE

OEM Head and block must be cast iron, wet sump, no roller cams, no mushroom tappet cams, and no roller rockers.  Hydraulic cams only, no mags, no external after market ignition boxes, no porting polishing, or port matching of intake or exhaust manifolds or heads.  Flattop or dish top pistons only, cast iron, two (2) barrel intake manifold, stock type cast iron exhaust manifold.  Exhaust system must measure at least 40 inches from exhaust flange with no larger that a 2 ½” inch inside diameter exhaust pipe maximum, (system must be securely attached).  Standard transmissions must have a steel flywheel, pressure plate and 10 ½” clutch minimum.  Automatic transmissions must have a full torque converter. Block, crank and rods all must match (example: 350 crank with 350 block and 350 rods).

ENGINE SET BACK

The centerline of the leading spark plug hole must be even with, or in front of, the centerline of the upper ball joint.

CARBURETOR

Must be Holley 4412 or stock 2bbl. (500 CFM maximum) or smaller untouched inside the venturies.  No ram air systems. One-inch carburetor adapter is permitted.  Choke air horn must be on carburetor.