2008 Street Stock

All changes in bold and Red

1. Bodies: Must weigh 3100 pounds with driver after feature.

***A. 1968 or newer intermediate size American made. May run a Pick-Up Truck with Speedway approval, call for specifics.

*****1. No Mustangs, Probes, Camaros, or Firebirds.

*****2. Vehicles originally equipped with 360 or less cubic inches.

*****3. Must have a full NASCAR style roll cage. 3 side bars each side minimum

***B. Stock wheelbase must be retained for body style used.

***C. Frames: Minimum wheelbase 105 inches. Longer wheelbase vehicles can be shortened to the 105" minimum.

*****1. Stock frames can be changed within manufactures line. Ford to Ford, Chevy to Chevy, etc.

*****2. Frames: Body and frame used must be in same manufactures line. Stock frame must be retained from front of stock spring pockets to kick-up for rear clip. Rear clip can be replaced with box tubing. Stock front spring pockets must be retained.

*****3. Clarification: You can not use a stock front frame clip or uni-body frame and complete chassis with aftermarket tubing. The only portion of stock frame that can be replaced is the rear clip and the area in front of the front spring pockets to the front bumper.

***D. Equipment (Maximum 4 inch plexiglass rear spoiler)

*****1. One racing seat w/headrest required. Must be one piece seat.

*****2. 3 inch racing seatbelt w/2 inch shoulder harness required; Submarine belt required.

*****3. Snell 95 helmet required. Fireproof jacket required. Neck collar ahd fireproof gloves required.

*****4. A complete fireproof uniform is required. Fireproof jacket and pants.

*****5. Drivers side window net required.

***E. Must have front and rear firewalls. Must have no holes.

***F. Windshield can be removed but must retain stock roofline, lexan or plexiglass permitted.

***G. Floor pan to right of drivers seat may be removed to allow for easier installation of mufflers. If floor pan is removed suitable type metal material is required to box area in. Can have no holes and must be sealed.

***H. Trunk floor pan is optional.Trimming of fenders is not permitted.

***I. Battery can be relocated. Must be in marine box and securely mounted.

***J. Mufflers - Dynomax Ulta Flo Brand Stock numbers

2.25" - 17216, 17217, 17226

2.50" - 17222, 17518, 17219, 17513

3" - 17220, 17221, 17229, 17232

3.5" - 17517

***K. Doors must be welded or bolted closed.

***L. No scoops on hood. Must have hood pins.

***M. Stock bumpers mandatory. Can be braced behind. No push bars. Some rubber nose pieces permitted, must be officially approved, and be stock appearing.

***N. 2 inch spoiler on rear deck lid permitted. Must be clear plexiglass with no supports. Can not be painted. If a stock spoiler is retained no additional spoiler is permitted.

2. Suspension: Jack Bolts Permitted

***A.Springs:

*****1. Front Springs must be in stock unaltered mount top and bottom.

*****2. Front top A-arms can be tubular aftermarket. Bottoms must be stock. No aluminum upper A-arms. Must be bolt-in ball joint.

*****3. Rear springs mounts may be altered.

***B. Shocks:

*****1. Front: Any shock that fits into stock mount is permitted.

*****2. Rear: You are permitted to relocate rear shocks. Stock mount not required. Any shock permitted. Limit:1 shock per side.

*****3. No coilover shocks or coilover shock eliminators permitted.

***C. Weight jacks permitted on rear of vehicle only.

***D. No suspension adjusting devices allowed inside a car.

***E. Adjustable brake master cylinders permitted in drivers compartment.

***F. Aftermarket trailing arms permitted, but cannot be adjustable. All adjustments must be spot welded. No snubbers or cushion type bushings permitted on trailing arms.

***G. Adjustable panard bar permitted.

***H. If you use a top link bar on rear-end, it can be a snubber bar only. No springs or shocks on top link.

***I. If a lift bar is used it must have a solid front mount. No springs or shocks allowed on lift bar. Lift bar can be adjustable.

***J. Both top link and lift bar permitted.

3. Absolutely no aftermarket speed parts. NO hi-performance factory parts offered on a 2 barrel version of the motor used.

4. ENGINE: Engine can be interchanged as long as it stays in same manufacturers line. Engine must be completely stock except where noted. Any modifications will mean disqualification. Carburetor specifications same as late model.

(ENGINE CLAIM: SAME AS SPORTSMAN DIVISION)

ENGINE LOCATION IN CHASSIS SAME AS LATE MODEL STOCK CAR

***A. Intake Manifold: Stock cast iron 2 barrel intake manifold only. Same specs as Late Model Stock Car.

*****1. Matched porting not permitted.

*****2. Removal of material inside runners not permitted.

*****3. If the cast marks are gone its illegal.

***B.Connecting rods & pistons;

*1. Connecting rods; Stock rod length required for motor used. No crossbreeding Ford parts. A stock factory connecting rod only. Rod can be polished for strength. Combination of rod, pin, piston and rings minimum weight is 1000 grams in race ready condition.

A.) Lunati 5.7 #LHAF B.) Eagle 5.7 #SIR5700 C.) Maximum Overbore .060

NEW - 3/7/08 - Crankshaft can be aftermarket but must weigh;

A. Ford - 52 pounds B. Chevrolet - 50 pounds C. Chrysler - 52 pounds

*2. Pistons; Must be same configuration as stock manufactures. Must have full side skirts. Pin in stock location.

***C. Cam: Any hydraulic camshaft and hydraulic lifter permitted.

*****1. No mushroom lifters. No solid lifters. No collapsible lifters.

*****2. Roller rocker arms permitted. No stud-girdles.

***D. Any point or breakerless ignition system permitted.

***E. Carburetor: Choke may be removed. No grinding or polishing. Any jet permitted. Horn on top of carburetor may be removed, no polishing or enlarging. 2 barrel carburetor used must be kept in same manufacturers line as motor used.

**a. Venturi area of throttle body of carburetor can measure no larger than the following;

Above are maximum dimensions, speedway will allow .005's for casting variances. Venturi area cannot be enlarged in any manner. If it's ground, it is illegal. All casting marks must be present.

***F. Cylinder Heads;

**1. - GM;

*a. Any GM small valve head. No 2.02 valve cylinder heads.

*b. No GM angle plug heads.

*c. No GM Vortec heads permitted.

*d. Use of World Products brand head number 305-58 cc chamber permitted. Part #4265A or #4265B. This is the only aftermarket head permitted for GM products.

**2. - Ford;

*a Any stock production head offered on a 2 barrel version of the motor used.

*b. Use of World products brand Windsor head part # 5305A or #5305B permitted. This is the only aftermarket head permitted.

**Aftermarket Crankshaft allowed but must weigh,

A.) Chevrolet = 50 pounds B.) Ford = 52 pounds C.) Chrysler = 52 pounds

5. TRANSMISSIONS:

*****A. Must be factory 3 or 4 speed stock transmission. No aftermarket transmissions.

*****B. No automatic transmissions permitted.

*****C. Must have Lakewood type 360 degree drag racing style blow-proof.

*****D. Any aluminum or steel flywheel permitted. NO cast iron flywheels.

*****E. Must have stock appearing clutch, pressure plate, and throw-out bearing. Must have same appearance as stock manufacturers OEM clutch disc, pressure plate and throw-out bearing.

*****F. Must be at least a 10" OEM type clutch assembly.

*****G. No couplers, small clutches, clutch cans. If you have to ask it is wrong. Aftermarket flywheel cannot have weight removed.

6. All cars will have a NASCAR or NHRA approved fuel cell. Must be encased in metal.

7. Larger and longer wheel studs required on all cars.

8. Aftermarket headers permitted. Must use low-back mufflers only see 1.J

9. Right A-frame must be reinforced.

10. REARENDS: 9 inch floater rearends permitted.

11.Use of disc brakes permitted. Can be factory or aftermarket. Use of balance bar brake systems not permitted.

12. No in car radios. 2 1/2 pound fire extinguisher required.

13. Tires: Must run tires purchased from Eastside Speedway.

14. 10" wide steel wheels only. Bead lock permitted

15. Electric fuel pump OK. Electric fuel pump must be wired to ignition switch.