Super Streets Division

Bodies: Stock roof and upper rear quarters. Lower rear quarters doors and fenders may be aftermarket 22 gauge steel.  Driver’s side firewall and floorboards must remain stock appearing. A plate of 16 gauge steel approximate size 40” x 20” mounted on driver’s side between door skin and roll cage. Fiberglass hoods allowed on steel bodies. Down Force bodies allowed with 100 lb weight penalty. No Dirt Track bodies.  Bumper covers may be used front and rear, all must closely resemble stock unit.  No cutting more than 4” above the tire.  No lowering of bodies on frames.  No tunnels, air ducts are allowed.  Minimum body height, measured from the center of the roof at a point 10” back from the windshield, is 48”.  Roof cannot drop more than 1” front to rear and side to side.  Rear spoiler no more than 5” tall, 60” wide and 38” maximum from ground to top of spoiler.  Body and frame may interchange.

Frames: Frames may be fish plated for reinforcement.  Unibodies may be tied together above the floor.  Any 2” X 3” tubing used for roll cage installation must be above the floor board.  Minimum height of any part of the body or frame is 4” from the ground at the lowest point with driver in the car. 

Weight: Minimum weight with driver in car at the end of a race in LEAF spring cars must weigh 2,900 lbs and COIL spring at the end of the race must weigh 2,900 lbs with driver in the car.  Maximum Left side weight is 56% (56/44).     

Suspension Upper may be tubular and lower A-frames must remain stock for chassis  Any stock spindle may be used within manufacturers line.  All steering components must remain stock except for the outer tie rods may be Hemi™ joints and sleeves, aluminum or steel.  Over the counter replacement parts that meet original specifications will be allowed.  One piece Howe™ type sway bar allowed must be mounted in shock location on chassis up to 1 3/8” max OD permitted, Howe or Port City center link allowed.  Springs must be similar in design to original and must be mounted in original position with stock pockets.  Up to 4” lowering blocks may be used in mounting rear leaf springs.  No boosters or overloads permitted.  One shock absorber per wheel in stock position. Steel sealed body non adjustable allowed. Front Jacking Bolts allowed. QA1’S allowed with 100 pound weight penalty.  

Track has right to replace, swap, or buy shock at any time. Official has the right to purchase shock for $75. Coil spring cars may run solid 3 point link. Panard bar allowed. Four wheel working brakes mandatory. 

Wheels: Steel racing wheels with max. 8” width.  1” lug nuts required on all four wheels.  You may run up to ½” wheel spacer if you run 5/8” wheel studs.  Any offset may be used as long as the thread width rule is met.  Maximum track width allowed is 66 ½” front and rear.  Wheel base must remain stock for chassis being used plus or minus 1” PERIOD.

Tires:     Track tires only, (Hoosier 8” ribbed 700, Right Side and Hoosier Racer 8” ribbed 700, Left Side).  Tires must be purchased from the authorized tire representative. Unity Raceway limits tire purchases to one per week. Two tires maybe purchased every fourth week. Tires will be branded with numbers. Eight numbers will be kept in the car’s tire inventory. Four numbers will have to be on the car at the end of the race event or automatic disqualification will occur. NO TIRE SOFTENER ALLOWED.  If caught with tire softener will lose all points to date .Track has the right to make stiffer penalty if deem necessary.

Once Tires leave the truck ABSOLUTELY NO RETURNS 

Engines: Small block V-8 only, limited to the following sizes: CHEVOLET 350, FORD 351W and CHRYSLER 360.All engines restricted to maximum 11.0:1 compression ratio.  Blocks and heads must be standard production with standard external and internal measurements, except that engine blocks may be bored .060” over standard.  No high performance options such as heads, etc. will be permitted.  NO STROKER.  Max. valve size allowed is 1.94 intake and 2.02 to allow the PASS Sportsmen and 1.60 exhaust. No carbon fiber or titanium parts allowed.  No Aluminum Heads. Engine Set Back limited to #1 spark plug in line with ball joint outer line.

CAM SHAFT SPEC:  Solid or Hydraulic cam shafts.  No rollers permitted.  Cams must be chain driven.  No gear or belt driven allowed.  Roller rockers allowed(1.5 ratio only). 

Fuel system: Holley 4412, 500CFM Carburetor allowed. Only modifications are choke removal, jet change, power valve change.  Must pass tech tool.  Maximum 1” spacer or adapter allowed.  No tapered, beveled spacers/adapters allowed.  Fuel pumps must be stock location.  To discourage use of specialty carburetor, Track tech has right to swap carburetor at any time. 

Electrical System: Stock Style Ignition allowed.    

Cooling System: Any radiator that will fit under the hood is permitted.  Removal of fan belt or fan blades is prohibited.  Steel fans only.  No anti-freeze in cooling systems.  Water and Keep Kool™ only. 

Intake Manifolds:  Stock cast iron intake.   Optional intake an Edelbrock™ performer Chevrolet 2101, 2104, or 2116, Ford 2181, or Dodge 2176. 

Exhaust System: Manifolds or down under type headers allowed 1 5/8” tube size.  3” collector size only.  No Merge or stinger type collectors allowed.  No crossover type headers.  No ceramic coatings, paint only.  Racing mufflers mandatory.  No hallowed out mufflers. 

Clutch: Stock clutch and pressure plate only.  Stock steel flywheel.15 lbs minimum must have steel pressure plate. An inspection hole of at least 1” diameter must be drilled in bell housing to allow inspection of clutch and flywheel.  After market hydraulic clutch pedal allowed.   

Transmission: Standard production automatic, or three or four- speed standard transmissions which may be catalogued and available through regular dealer channels may be interchanged with manufacturer’s line. High gear must be 1 to 1 ratio. No other forward gear ratio can be higher than 1.23 to 1. Forward gears must be O.E.M angle cut magnetic steel. Gear ratios must remain stock for transmission used. Three Speed Transmission must have at least (2) forward and (1) rear working gears. Four Speed Transmission must have at least (3) forward and (1) rear working gears.   

Rear End: Standard passenger car rear ends mounted in stock position only.  Gear ratio limited to 5.88 final drive.  Rear ends may be locked by welding spider gears or mini spool.  No cambered tubes.  9” Fords permitted Floaters allowed.  Adjustable cups allowed. GM rear coil spring cars may run pan hard bar with no more than three (3) adjustment holes off frame rail. Non-Racing axle rear ends must use Unity Tech approved tire catchers.

Brakes: Rear disc brakes allowed.  After market brake pedal allowed. Four wheel working brakes required. 

THE TECH COMMITTEE RESERVES THE RIGHT TO ADD WEIGHT OR SUBTRACT WEIGHT AT THEIR DISCRETION FOR THE FAIRNESS OF COMPETITION.

Any alteration to any part of the car not specifically covered in these rules must be cleared with the technical inspector or it will be considered illegal. In other words, IF IT DOESN'T SAY YOU CAN DO IT, YOU CAN’T. 

PASS Sportsmen will be allowed to run with their current PASS rules.

Any specification not covered by these rules may be decided upon by tech management and made a rule for the rest of the season.