| Wednesday, December 31, 2008 | |
2009 STOCK MINI STOCK RULES
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(FORMERLY KNOWN AS MINI STOCK)
1. COMPETING MODELS: Any four cylinder American or Foreign made production sedan. No Sports cars,Convertibles,High Performance Cars,Station Wagons,Turbo or Rotary Cars.
2. BODY: After Market bodies are legal. Trunk and engine compartments must be sealed from drivers department with a steel firewall. No hood scoops. Must have safety bars in front of driver. Must pass safety and technical inspection. Spoilers maximum 6 inches high may not exceed width of rear deck. Cars MUST HAVE FACTORY FIREWALL AND FLOORPAN TO THE REAR OF THE DRIVER
3. SUSPENSION: Stock type suspension. Changing of springs permitted. Strut cars may use adjustable plates for caster camber adjustments. Frame may be tied together with box tubing. Stock Rear suspension only. NO after market rack and pinions
4. ENGINE: Must sit in original location. No porting or polishing. Maximum 2300 cc plus overbore.
HEADS: No aftermarket or 4 valve heads permitted. Head must match block used. {For example No 22R head on 20R block.}
Camshaft: Stock cam and lift for engine used. No roller cams or roller lifters.
VALVE JOB: Three Angle permitted. Valves: Stainless OK. Must be stock diameter for engine. Must use stock springs and retainers.
PISTONS: Stock piston for engine used, maximum .060 overbore plus wear.
RODS: Stock rods only. May change rod bolts.
CRANKSHAFTS: Stock cranks only. No lightweight or knife edging. May balance with normal balancing procedures.(IE: Drilling or adding heavy metal.)
BLOCKS: Stock blocks only. No after markets. Piston may no protrude from deck. Head and main studs optional.
Optional Equipment: Value covers,oil pans,air filter,headers,and adjustable timing gears. No roller gears.
5. CARBURETOR: Factory stock carburetor or stock factory replacement carburetor or any track approved two-barrel no to exceed 500 CFM. May run Holley 4412 500 CFM two-barrel or Holley 350 CFM. Removal of choke butterflies and shaft permitted. May change jets.
Carburetor Adapter: May be made of aluminum or material to isolate heat. May not exceed 1" thick plus 2 gaskets.
6. IGNITION: Must be stock type,battery operated.
7. FUEL: Pump or Racing fuel only. No additives. May run electric fuel pumps with oil pressure cut off switch and master electrical shut off switch. Accessible to driver and safety personnel.
8. TRANSMISSION: Stock type must have all forward and reverse gears. Steel drive shafts only. Must be painted white.
9. REAR END: Stock rearend for car used. Locked differential permitted.
10. CLUTCH: Stock steel flywheel and clutch assembly only.
11. BRAKES: Must have four-wheel operating brakes. No brake adjusters of any kind.
12. TIRES/WHEELS: 8" Wide track approved racing tires permitted. Steel wheel only. 8" maximum width. Oversized studs and lugs permitted for safety 13" tires only.
13. FUEL CELL: Mandatory!! Must pass safety inspection.
14. BATTERY: May be relocated and must be covered and securely strapped down. Cars must be self-starting at all times.
15. WEIGHT: One pound per CC with driver after the race. Minimum weight 2200lbs. Three Valve heads must add 150lbs.
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