Mini Stock Cars and Trucks

Bodies:
Any production model car/truck, four cylinder. Front or rear wheel drive.
Exceptions - Sports Cars
Scirocco's allowed.
All plastic dash pieces, light assembly, trim, etc., must be removed.
All glass must be removed except the windshield.
Quarter windows may be replaced with lexan.
Doors must be welded and/or chained shut.
Only skinning allowed is inside of doors, hood, and roof, nothing else.
TOW HOOK POINTS FRONT AND REAR MANDATORY

Measurement for OPTIONAL WING
32” wide max, 40” long max, 20” side panel height max, 6” back from top edge of windshield, can be adjustable/slotted. Must be stationary during races.
50 bonus points for winged vehicles (one time)

Weight:
2500 lbs total weight. 53% left side weight max.
Dual cam/multi valves may have additional weight assessed

Roll Cage:
Pipe must be at least 1 ¾" O.D.(outside diameter).
Must consist of four uprights jointed together at the top minimum of four horizontal bars are required in the driver's door.
Three on the passenger side.
A plate of 16 gauge steel approximate 40" x 20" mounted on driver's side between door skin and roll cage.
All bars that may injure drivers will be padded.
Car WITH FRAME must have the cage welded to the frame and not to the floorboards.
Car WITHOUT FRAME must use the "sandwich" method when securing the cage inside the car.
Contact a Technical Inspector if unsure of this procedure.

Wheel Camber:
As much as stock parts and stock location will give you.
May drill remounting holes for upper strut.

Springs:
Heating or cutting of stock springs will be allowed.
Non-adjusting lowering blocks may be used on leaf springs.
Stock replacement shocks only no racing shocks allowed.

Frame Clearance:
5" ground clearance around car without driver.

Wheel:
Maximum 6" width. Minimum 18 pounds for after market wheel. Stock offset.

Cam:
Maximum 450 lift measured at valve spring retainer.
Adj.timming gear allowed.

Headers:
Not allowed. Stock ex manifold only.

Engine:
0 Deck allowed. .30 overbore maximum.
Internal lower end parts must remain stock.
Stock meaning unaltered. Lower end will be inspected with borescope.

Pistons:
Stock replacement.

Head:
30 Thousands off of head maximum.
From 31-75 thousands add 35 pounds right side.
Over 76 thousands add 50 pounds to right side.

Transmission:
Must have 2" x 2" hole in bell housing for inspection.

Fuel Cell:
Racing fuel cell recommended.
Non-fuel cell six gallons maximum.
Cell or tank must be centered.
Minimum 12" ground clearance.

Rub Rail:
Allowed. Must be no larger than 1" square or round connected with no more than two bolts through body or tags to cage.
Must be flush mounted against body. Not to extend more than 6" beyond either edge of doors.
Ends must be cut at an angle of 45 degrees and capped.

Seat:
Aluminum racing seat required.
Left & Right head support mandatory.

Safety Equipment:
Must use five point harness bolted to roll cage.
Must use DOT or SNELL approved helmet only.
Window net required.

Tires:
Any 60 series radial with minimum 300 DOT treadwear rating allowed

Mufflers:
Mandatory.

Anything not covered by these rules shall remain stock, unaltered, as made by the manufacturer. For the purpose of rule enforcement, the term "stock" shall be understood to mean the parts must be of original equipment manufacture production(ie: GM, Ford, Chrysler).

At the discretion of Unity Raceway Management weight may be added or subtracted to ensure fairness of competition.