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PURE STOCK RULES

2008

“See General Rules”

Changes In Blue

 

 Competing Models: 

  • 1972 - Present 4 Cylinder passenger cars.  No pick-up trucks permitted.  Only front or rear wheel drive cars permitted.  No 4-wheel drive.  No rotary engines. No turbo or super charge engines. No mid-engine cars.  Automatic or manual transmissions permitted.  NO Convertibles!  All competing cars must have manual of vehicle type showing factory engine specifications.

 

 Engine:

  • Only totally Stock OEM 4 Cylinder for makes and model. Maximum overbore .040 must maintain OEM piston Styles. Only A/C compressor may be removed. No cosworth engines. No after market parts or ported or polishing parts permitted.

·          Aftermarket Radiator may be used. Must remain in stock location within the radiator support.

  • Factory Horsepower with driver

  • 90 Horsepower or less to 110 horsepower car must weigh 2000 lbs.

  • 111 Horsepower to 129 horsepower car must weigh 2200 lbs.

  • 130 Horsepower to 149 car must weigh 2400 lbs.

  • 149 and less horsepower must have 40 Right side percent and 60 Left side percent

  • 150 Horsepower or more must weigh 2600 lbs. 45 Right side percent and 55 left side percent.

  • Weight and Horsepower must be displayed on hood. (Mandatory)

  • $100.00 Claim/Exchange Rule on computer.

 

Ride Height

·          Must be a minimum 4 ½ inches with driver in car.

·          All cars must have stock manifolds only (NO Performance Mufflers).  Exhaust pipe must match manifold outlet size. No headers stock or aftermarket.

·          Trunk and hood must have at least (2) hood pins.

  • Body must remain stock.  Fenders cannot be cut for tire clearance.  Wheel wells must remain stock and intact.  Headlights and parking lenses must be removed and openings fill completely with sheet metal.  All bumpers must remain stock.  Only stock firewall and floor pan in stock location permitted.  Trunk area must remain stock.  Inner door panels can be removed.  Fabricated dashboards are permitted, but must remain full and in stock location.  All glass must be removed, including windshield.  Lexan windshield and rear glass must be installed with two inside support straps, bolted (not riveted).  Stock steering column only.  Locking steering mechanism must be removed.  All steering wheels must be magnetic and equipped with a quick release coupling.  Approved window net must be installed on the driver's side and must release from the top.  Maximum rear spoiler 5" tall and width of trunk. All spoilers must be at rear of car.

 

  • A minimum 6-point roll cage required, all roll cages must be acceptable to track officials.  1 3/4 OD; .095" thick.  All cars must have a minimum of 4-left side door bars and 3-right side door bars.  No straight door bars permitted. Rear hoop bar around fuel cell/gas tank mandatory, in trunk area. Need to be 1 ¾ “ OD; .095” thickness required. Optional to run Hoop bar from strut tower to strut tower in front and rear.

 

  • Five-point or more racing harness mandatory.

 

  • Approved racing type aluminum seats mandatory.  No seat may be attached to the floorboard.  Seats must have approved type frame. 

 

  • Battery must be mounted in driver compartment, enclosed in steel box with lid.

 

  • A working fire extinguisher with gauge required, visible to official.  Must be solid mounted. See General Rules.

 

  • Fuel cell required.  Maximum volume 8 gallons.  Fuel injected cars may use stock tank and must run less and 1/2 capacity.  Fuel line cannot run through driver's compartment. Hoop bar and rear fire wall mandatory.

 

  • Only stock suspension parts permitted. Stock springs must be equal in dimensions left to right.  No cutting or lightening of suspension parts permitted including springs. No racing shocks.  Brakes must remain stock. No brake bias adjusters allowed.  Strut brackets cannot be altered in anyway. Two-degree camber permitted on right rear and six-degree camber on right front with driver in car.

 

  • $100.00 Claiming Rule strut assembles. (Springs not included.) Claim Only.

 

  • No locked or posi-traction rear ends permitted.  Rear ends must remain stock.  Spider gears may not be welded.  Differential must be open. No LSD will be permitted on front wheel drive.

 

  • After market steel wheels permitted with standard offset, all wheels must have same offset, maximum width 7".  3 inch offset to allow for wheel clearance only. Track tires only.

 

  • Clutch and transmission assembly must remain stock for make and model. Bell housing must have 2" inspection hole. Clutch, Fly Wheel, Pressure Plate must weigh within 1 lb. of factory spec. All gears must be in working order.

 

  • 2-way radios are mandatory. Spotter’s mandatory in spotters tower. See General Rules

 

  • After (3) consecutive wins driver will start mid field regardless of where he qualifies. If driver qualifies beyond midfield than driver will maintain actual qualifying position.

 

  • All components not listed must be factory OEM parts.

 

  • Enclosed trailers not permitted.

 

  • Officials retain the right to approve or disapprove rules not listed above.

 

  • OEM - Original Equipment Manufacturer

 

  • Toe Hook’s must be install on front horns, in front of radiator support by using a 3/8” dia. Steel chain or a 3/8” dia. Rod (loop) and bolted or welded in place. Toe hooks must be install in trunk area near the rear of car using same type hook as on the front of car.