Shady Oaks Speedway

Shady Oaks Speedway
2185 FM 622
Goliad, TX 77963
United States

ph: 361-645-8353
fax: 361-645-8268

Pure Stocks

Pure stock/Texana Bomber
 

1. Car Body And Chassis Requirements

1.1. Any stock production bets American- made passenger car, station wagon, El Camino, or Ranchero is acceptable.

1.2.  No convertibles, sport cars, suburban, or high performance vehicles.

1.3. Cameros, Firebird allowed.

1.4. Only stock-stock-stock parts may be used.

1.5. Race ready minimum weight is 3400 lbs. 360 ci max. 

1.5.1. Quick steer will be allowed.

1.6. Vehicle must remain stock appearance.

1.7. Minimum wheelbase is 108”

1.8. Suspension must remain absolutely stock for make and model of vehicle.

1.8.1. No modification permitted.  NO EXCEPTIONS

2. Engine

2.1. Engine must be stock for type and year of vehicle used. GM in GM, Chrysler in Chrysler, Ford in Ford etc…..

2.1.1. All major components (block, crank, rods, ) must remain stock for type and year of engine.

2.1.2. Engine size limited to small black only up to 360 ci.

2.2  1.5” springs only and 1.5” ratio rockers

2.3. NO aluminum heads.

2.4.  Screw in studs and or pinned are allowed.  Guide plates allowed.   No other alterations.

2.4.1.  Any cast iron head 72cc minimum NO EXCEPTIONS

2.4.2. NO angle milling.

2.4.3.  NO porting or polishing.  NO gasket matching.

2.5. Stock OEM dish or flat top 4 valve relief pistons only.

2.5.1. NO late model small ring (Vortec).

2.6. Carburetor may be stock 2 barrel of the same type and year engine was originally equipped with or Holly 4412 500 cfm to be checked with go no go gauge. Stock dimensions top 1.375, bottom 1.687

2.7. Stock intake manifold.

2.7.1. No porting, polishing, or altering in anyway.

2.7.2. No high performance or marine intake manifolds.

2.8. Cam shaft must match make of engine being used.  Hydraulic or solid flat tappet lifters only. No roller lifters. No bleed down lifters.  No altered firing order.

2.8.1.  Engine must pull 18" of sport bet online vacuum @ 1000 rpm for a car running
Hoosier Dirt Bozz tires

2.8.2Engine must pull 15" of vacuum @ 1000 rpm for a car running a
g60 type tire.

2.9. Headers or Manifolds allowed.   No 180 headers.

2.10. Stock ignition systems.

2.11. Engine Placement - #1 spark plug must be a minimum of 1” in front of center of ball joint on driver’s side.  No further setback of engine allowed.

3. Transmission and Rear End

3.1. Stock automatic transmission with stock operating converter or  Standard transmission allowed.   Must have standard 12” fly wheel and pressure plate.

3.2. Stock production rear end.

3.3. Posi-Trac (if year of vehicle was equipped) or welded rear ends are permitted.

4. Wheels and Tires

4.1. Steel wheels only with a max width of 10”.

4.1.1. After market wheels are allowed.  Aftermarket wheels limited to standard weight wheels.  NO lightweight wheels allowed.

4.2. Minimum tire tread width is 8”–maximum of 10”.  HOOSIER Dirt Boss.

4.3.  Hoosier Dirt Bozz tires will be allowed on 10 inch wheels. with
an 18" vacuum rule.

4.3.1. Hoosier Dirt Bozz tires will be allowed on 10 inch wheels. with
an 18" vacuum rule.

4.4. Grooving is the only tire modification allowed.  Absolutely NO lug cutting.

4.4.1. Maximum 3/8” wide grooving.

4.5No Bead lock wheels or screwing tires to wheel
 

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Shady Oaks Speedway
2185 FM 622
Goliad, TX 77963
United States

ph: 361-645-8353
fax: 361-645-8268