BSPV Rules
Specification changes and alterations to SCCA 1999 Solo II Rules for BSP
The purpose is to create a class for BSP “V” vintage category for year models 1963 thru 1982 Chevrolet Corvette.
14.2 Bodywork | ||
b.1 | Removal of the spare tire carrier and mounting hardware is permitted. | |
14.3 Tires | ||
Tires will be spec autocross tires of 15″ diameter manufactured by M&H Tires. | ||
14.4 Wheels | ||
Wheel diameter will be 15″ and width will be 10″. Any offset may be used. | ||
14.5 Shock Absorbers | ||
c. | Any shock absorbers may be used, provided they are single canister, non-remote reservoir, non adjustable from inside the vehicle, are all steel body and attach to the original mounting points. The number of shock absorbers shall be the same as stock. | |
14.10 Engine and Drive Train | ||
i. | Solid engine and transmission mounts are permitted. | |
o. | Cast or forged non stock pistons may be used. | |
o.1. | Any metal piston rings may be used. | |
p.1. | Connecting rods may be replaced with after market rods. Rods must be of original length as OEM. | |
p.2. | Valve rocker arms may be roller type of any metal material, with a ratio of 1.6 maximum for small block and 1.7 maximum for big blocks. | |
p.3. | Any valve cover may be used. | |
p.4. | Pushrods are unrestricted except they must be made of metal. | |
p.5. | Any hydraulic or flat tappet camshaft may be used except roller type. | |
p.6. | Any hydraulic lifter or flat tappet may be used. Roller type cam followers are not permitted. | |
p.7. | Double roller timing chain and gears may be used. Timing chain cover may be altered or replaced by aftermarket type. | |
p.8. | Any metal valves may be used. Valve sizes are unrestricted. Valve springs, valve retainers, keepers, seals and adjustment shims are unrestricted. | |
p.9. | The crankshaft may be replaced with another of the same basic material, provided the angles of the crank throws remain the same. No change in stroke is permitted. | |
p.10. | The use of any external crankshaft vibration dampener is permitted. | |
p.11. | Cylinder heads are to be cast iron for small blocks and either cast iron or aluminum for big blocks. Any valve guides or valve seats may be used. | |
q. | Intake and exhaust ports and manifold openings may be matched. | |
u. | Any V belt drive reduction type pulleys may be used for the alternator, water pump, power steering pump and crankshaft drive pulley. | |
v. | Aluminum water pumps driven by V belt or V belts may be used. | |
14.11 Out of production cars | ||
1. | The use of a 350 c.i.d. Chevrolet cast iron, stock production block, as fitted in a standard production Chevrolet Corvette manufactured prior to 1983 may be used to replace a 327 c.i.d. block. No modifications allowed unless otherwise stated. |