|File Added 1/19/2013 6:08:00 PM
2013 Pure Stock Rules
2013 C.V.S. PURE STOCK RULES
Car: American made rear wheel drive, front engine car. 4 wheel drives, convertibles.. Minimum wheel base 108 inches.
Engine: Must have V-8 engine, OEM size and configuration. 360 Max C.I.D. No stroker or destroke combinations allowed. No 400 blocks. Motors must be in stock location. May use solid motor mounts. Flat top pistons only. No performance parts of any kind allowed. Cast iron OEM heads only, no vortec, no double humps.
no late model center bolts heads, no small chamber
(283-305) style heads only. 3/8 screw in studs and guide plates allowed. No porting, polishing, milling, or altering of combustion chambers of any kind. Smooth idle cams only. Cams must pull 18” of vacuum at 800 rpms and have a maximum cam lift of .420 at the rocker arm. Hyd cams only, no hyd roller cams. No anti-pump up lifters allowed. Cast iron exhaust manifolds only, no center dump ram horn type allowed. Cast iron intakes only. No bowtie or Marine style intakes allowed.
Carb: Unmodified 4412 2-brl cfm Holley or 1850 600 cfm Holley or Edelbrock 600 cfm. Must have full choke horn. May remove the choke butterfly. Must meet go-no-go gauge, no performance models allowed. Willey’s quick fuel, etc. Must be original replacement Holley carb. Mr. Gasket part #1933 or #1929 adapters only. Or you may run a unmodified 4-brl Quadra jet carb, must have choke horn, may remove choke butterfly. No carb spacers on 4-brls.
Transmission: Stock trans only. Standard trans must have all working forward and reverse gears, stock OEM flywheel, min. 11” clutch and pressure plates. No aluminum flywheels or nodular iron Corvette style allowed. Automatics must have min. 11” converter. No dummy converter.
Driveshaft: Must be painted white and have car # on it. Safety loop required and within 12” of front u-joint. OEM size shafts only.
Rear-ends: OEM original rear ends in stock location, or 9 inch Ford with stock drum or disc brakes, gears may be locked by welding of spiders.All mounting points must match all mounting points on the rearend being removed, no aluminum calipers NO FLOATERS
Body: No gutting of any kind except for door bar clearance. May cut under fuel cell in trunk area only. May cut fenders for tire clearance, plastic nose piece ok. No spoilers or wings allowed. Trunk lid and hood may be gutted.
Tires & Wheels: 8” or 10” asphalt take offs allowed. 10” steel wheels max.
May run the KK704 mod tire but must run 8” wheels. No mixing of tires, sipping and grooving are allowed. Beadlock on right rear only! All tires must durometer 50.
Driver’s Area: Must have 5-poing safety harness no more than 2 years old.Aluminum seat only!
Must have fire extinguisher, Must have arm restraints or window net.
Steering column in stock location, quick release wheel ok....quickners allowed. Stock brake pedal in stock location. 3 bars min. in front of driver in windshield.
Bumpers: Must have stock bumpers, must cut wrap around off the ends. No sharp edges. No bars connected to bumpers.
Weight: 3,300 lbs after race with driver. Added weight ballast must be painted white and have car # on it. Must be mounted with 2 ˝” bolts min.
Brakes: Must be OEM front and rear with OEM master cylinder. RT front shut of allowed. No proportioning valves. All brakes must work at all times.
Suspension: OEM suspension only. Stock mounts in stock location only. racing shocks allowed NO heim end shocks! Racing springs allowed, must be same size on both sides. No adjustable spring spacers on front or rear. May use cut to fit type only.
We reserve the right to change any of these rules at any time for the improvement or safety of the sport. Min. age 13 years old with parental release form on file.
IF YOU ARE RACING IN ANY OTHER CLASS YOU ARE NOT ELIGIBLE TO RUN IN PURE STOCK.