2008 Street Stock Rules

*Cannot race outside your class. If you race in another class two weeks you cannot race in the lower class again.
*You cannot race in two classes the same night.

Anything not specified must be OEM and remain in stock location with no modifications.

WEIGHT 3200LBS

WEIGHT WITH 602- 3100LBS (650cfm carb - Holley # 80541-1)

Bodies and Frames

1. 1970 or newer sedan eligible.

2. Minimum stock wheelbase 108", frame cannot be cut or modified in any place.

3. Body may be aftermarket late model type

4. Must be full metal stock or aluminum neatly painted. May run after market nose piece.

5. Floor pan must remain stock and complete.

6. Trunk and hood may be hulled

7. Bumpers may be replaced by 2x2, 2x3, or round tube but must be extended no further than 5" from frame rails out board front bumper must be concealed by nose piece or stock.

8. All glass must be removed.

9. Full roll cage allowed. Roll cage perimeter bars must be 1 3/4 x 095 tubing. Four bars in driver's door and X'ed in passenger side, door plates recommended.

10. May run spoiler

11. Must have drive shaft hoop no more than 10" behind transmission.

12. Must have working three wheel brakes. Disc brakes allowed. No brake adjusters allowed.

13. All holes in floorpan and fire wall must be covered to prevent fire from entering driver compartment. Floor pan may have two small drain holes at back.

14. Back seat not further back than front of door post or rear of door.

Tires and Rims

1. Hoosier RC4- RC6 - RC46. Tires available at the track.

2. 10" maximum wide wheel. No spacers allowed. 2" maximum offset. Any steel wheel.

3. No grooving, cutting, snipping, or soaking permitted.

Suspension - All suspension components must remain stock and in stock location. May run racing springs, and racing shocks. All parts must be OEM for make and year of car.

Batteries - Battery may be relocated to firewall or inside driver compartment. Battery must be in a type battery case fully covered and securely mounted.

Gas Tank

1. Must use approved fuel cell mounted in can with two 2" straps top and bottom. Must have tip over valve.

2. No glass type fuel filters.

3. Fuel liner must be routed so they cannot be ripped loose from racing action. If run through interior of car, must be in conduit.

Transmission - Turbo 350 or Powerglide Automatic transmissions only. Must have working torque converter. No Direct Drive. No Brinn or Bert Transmissions.

Rear Ends - Stock rear end for car being run only - no modifications. Locked rear end optional. May change rear end gear ratio. 9” Okay

Engines

Camshaft…..300 lift @ cam, Hyd Lifters only. “GM .450 lift, Ford .480 lift”

Lifters…. Hyd lifters, must be stock diameter “GM .842...Ford .875”

Factory type Double Roller Timing allowed, Torrington bearing okay, NO Tensioners on timing chains allowed.

MUST have factory type rockers arms for engine being used , GM ratio 1.5 ONLY, Ford 1.6 ONLY, NO ROLLER ROCKER ARMS

Heads…Vortec heads allowed, must be run “out of the box” No screw in studs, No guide plates, Stock diameter Valve Springs with no dampner. Angle milling allowed. …”NO BOWTIE VORTEC HEADS ALLOWED, ONLY 906 & 062 CASTINGS ALLOWED !!!!!!!.

May run double humps or 305 heads.. NO BOWTIE or angle plug heads allowed except ford and Chrysler.

Screw in studs and Guide Plates allowed except on vortec heads.. Max Rocker Stud Size 3/8

Heads may be angle milled

Valves… Stainless steel okay ,NO titanium. GM Must be no larger than 1.94 Intake & 1.500 Ex. Ford may not exceed 1.840 int. & 1.540 ex.

May run any diameter valve spring except on vortec heads

Intake manifold to be used with vortec heads will be Edelbrock 7116 or Mercruiser cast iron intake.. “NO EXCEPTIONS”

Intake manifold to be used with 305-350 heads other than Vortec will be Edelbrock 7101 or STOCK cast iron , or cast iron Bowtie manifold “NO EXCEPTIONS”

Crankshaft must be stock GM or factory replacement. The ONLY aftermarket crankshaft allowed will be Eagle # 103503480 cast steel or Scat 910442 cast steel. NO AFTERMARKET STEEL CRANKSHAFTS !!!!!!! Stock and aftermarket cast crankshafts must weigh a minimum of 50lbs.

Crankshaft must retain stock stroke for engine being used…GM 305-350 = 3.480, Ford 302= 3.000 Ford 351w= 3.500.…..Plus or Minus .020

MUST use STOCK Connecting Rods for engine being used, MUST BE STOCK LENGTH “GM 305-350=5.700” Ford 302=5.090, Ford 351w=5.956. THE ONLY aftermarket connecting rods approved are Eagle SIR5700bblw or SIR5700bplw, or SCAT 25700.

May use forged pistons, Flat top or Dish, NO DOME Pistons.

Block may be bored .060. NO AFTERMARKET main caps allowed. Block my be deburred and screens installed. 2 or 4 bolt main allowed with factory main caps.

Blocks may be decked to .000 deck height, Pistons MUST NOT protrude out of the block “Minimum deck height .000”

May use unmodified 4412 carb.

MAX Cubic Inches are as follow GM = 360 Ford= 362

Method used for determining cubic inches is “8 x bore x bore x stroke x .7854”