Pure Stock Rules

UPDATED April 15th, 2011

The word "stock" will mean: "Unaltered and as originally produced for that year, make, and model". These rules are meant to keep all cars stock. Anytime a car is found in violation of any of these rules during or after a race, it may be fined and or disqualified for the night, or worse. If you feel the need to ask if something is legal, ask. Don't assume. No two-way in-car radios allowed. No radios allowed in the pits. Only self-starting cars may race.

 
COMPETING MODELS - ELIGIBILITY
All cars must be 1965 or newer, full size, or intermediate, originally produced American made Passenger cars with a minimum wheelbase of 101" in stock condition. No convertibles, pickups, jeeps, imports, or commercial vehicles allowed. Conventional passenger type station wagons are allowed. No commercial type Wagons, Blazers, Broncos, Suburban s, etc. will be allowed. NO additional ballast weight at any location is allowed. Having more than one standard type automotive battery, fuel cells or their containers made of over 1/8" thick steel, fuel cells that hold over 16 gals of fuel (16 gal. as advertised), lead or added heavy materials, reinforcement, or construction using heavier materials that needed, or anything that can be considered excessive in weight as judged by PVR technical inspection team.

ENGINES
Engine must be in stock location, on solid mounts. Engine must be cast iron only. No pop up or dome pistons, no roller cams, lifters or rocker arms allowed. Racing oil pans are ok. Factory produced cast iron unaltered heads only. No port or polish work allowed. No port matching of heads to intake or exhaust manifolds. Valve size is optional and can be changed, provided that no machine work is done beyond 1/2" above the valve seat. Studs may be pinned or changed with screw in type. No after market heads or intake manifolds allowed. No Bow Tie, GM Performance or marine heads or intake allowed. No grinding on intake or exhaust manifolds allowed. Aluminum intake manifolds are allowed, but must be OEM standard production only. No special performance or special production manifolds allowed. Example: 1969 Z28 square flange aluminum intakes are not allowed. Drilling the intake manifold for water ports to be used with an external water bypass is allowed. Do not drill the heads or the block. No mushroom lifters, superchargers, turbo chargers, fuel injection of any design, nitrous oxide, pressurized fuel systems, magnetos, computers of any kind, or alcohol allowed.

EXHAUST
No headers allowed. Stock cast iron exhaust manifolds only. Mufflers are required. Mufflers will function so as to not allow a sound emission greater than 95 decibels maximum emission.

CARBURETION
Carburetor must be a stock production passenger car or light truck unit of the same brand that came standard on the make of the engine being used. Carburetors must have factory OEM numbers stamped on them and cannot have any visible machine work done. No special high performance, limited production, or after market carburetors are allowed. No adapter plates or after market spacer plates may be used.

FUEL and FUEL SYSTEM
Engine mounted factory type fuel pumps in stock location only. No electric or belt driven fuel pumps allowed. Racing fuel cells are Mandatory with Max 16 gallons and must be securely mounted in the trunk area. No aluminum tanks. Two steel straps front to rear and one side to side are required. Minimum strap size is 1" x 1/8" steel flat stock. LxWxH divided by 231 = gallon capacity. Fuel cell area must be completely sealed off from the driver's compartment with min 22 awg STEEL sheet metal. No filler necks protruding through rear fire wall or trunk lid. Gasoline only. No additives allowed. Racing gasoline and AV gas is allowed.

COOLING SYSTEM
Aluminum after market water pumps are optional. Aluminum radiators are allowed. Radiators must be in stock location 1.5 maximum, tubing may be used for radiator protection. Protection must be inside of the body. 1.25 maximum support bar is permitted across the top of the radiator to support fenders. Factory core support may be changed. The use of a water supply for added radiator cooling is allowed, but must be mounted securely in the drivers compartment within the main cage structure and must be functional at all times. Maximum water container is 5 gallons.

ELECTRICAL SYSTEM
Ignition system must remain stock. (No MSD or other type non- OEM). Parts can be replaced by heavy-duty OEM style and configuration. Battery must be mounted securely inside a container. Mounting inside the driver's compartment is optional. Plastic boat type battery boxes are not recommended. Only one automotive 12-volt battery is allowed. Any additional batteries will be considered ballast and must be removed.

Transmission
Transmission must remain in stock location, and on stock unaltered cross member. Solid mounts are allowed but must be stock configuration. No direct drive or valve transmissions allowed. Torque converters must be of standard stock size. No dog clutched, buttons, ram clutches, or ram couplers allowed. OEM clutch set up only. Scatter shield must be used on all manual transmission equipped cars. Drive shaft must be painted white and have a 360 degrees loop around it, approximately 3" behind the front universal joint. Minimum loop material is 1" x 1/8" thick steel. Random inspections will be done, so keep it painted. No aluminum drive shafts or flywheels allowed. Guide plates and or stud girdles are optional. Transmission cooler may be mounted in the driver's compartment but must be mounted in a safe manner and cannot be mounted where vision through the car is blocked. After market transmission coolers are allowed.

Rear Ends
Ford 9 inch rear end is allowed. Rear end must remain in stock location with unaltered stock mounts. Wheelbase must be equal on both sides.

Suspension
No lowering blocks, weight jacks, chains, metal or rubber spring spacers allowed. No factory rubber bushing around spring allowed. Heat and re-arching of springs is allowed. Suspension must remain stock, unaltered with OEM equivalent parts. OEM style racing shocks allowed with OEM mounts in stock location, NO coilovers. No reinforcing of any suspension parts, except Chrysler product or 1965 or newer full size Ford lower A-frames. Reinforcement of these parts is allowed, but must remain exact stock dimensions.

Brakes
Rear end brake system must remain with the make of rear end you are running. Drum brakes and disc brakes allowed. Four wheel brakes in working order are required. No line blocking allowed. No brake shut off valves allowed. Brake pedal must be in stock location. Brake booster may be removed.

BODIES
Bodies must be complete and stock including a complete floor pan, front firewall, trunk, rear inner fenders, and rear firewall. All chrome, trim, glass, and mirrors must be removed. No gutting of interior sheet metal except as follows: Door, dash and interior quarter panels may be cut as required to install roll bars and side bars. Inner roof sheet metal can be cut away. All firewall holes must be patched using 22 awg or better steel. Hood and trunk lids may be gutted. No other chopping of bodies, except for 2" around fenders for tire clearance. Front inner fenders may be unbolted or cut out and removed. Rub rails (optional) must be mounted flush against the body with carriage bolts, between wheel-well openings only, with the ends tapered, smooth and closed. Maximum material size is 1" x 1". Maximum number allowed is one per side. After market stock appearing nosepieces may be used. No homemade or handmade nosepieces allowed. Nosepiece must appear stock. Cars that lose front bumper, hoods or diver door during a race may be black flagged from that race at the discretion of the track officials. Cars must have parts securely attached, prior to competing in the next scheduled event. Trunk floor area cannot be gutted.

APPEARANCE / NUMBERING
Legible numbers are required on both doors of the car and on the roof (facing right). These numbers must be a minimum of 20" tall x 3 wide and must be dark numbers on light cars or light numbers on dark cars. Numbers at least 5" tall are required on the front and rear of the car. NO SPRAY PAINTED NUMBERS! Be sure you are going to field a car before you buy a car number. There is a 50 rule in this class. All cars competing must appear repaired and fully painted from a distance of 50 . Cars not meeting this requirement will not be allowed to race until repairs are deemed acceptable by PVR. Three digit numbers, numbers with letters, or letters only is not allowed. Anyone not having the required decals in the proper place will not be awarded points.

BUMPERS
No double bumpers .OEM bumpers only. Front and rear bumper straps are MANDATORY. Front bumper must be strapped to the frame. Rear bumper must be strapped to the quarter panel. Minimum strap size required is 2" x 1/8" flat stock. Bumper straps must be welded and bolted with at least two 3/8" bolts. Front and Rear bumpers must have chain or loop for towing.

WINDSCREEN
All cars must have a minimum of four windscreen bars for protection in front of the driver. . All cars must have full windscreen in windshield area.

FRAMES
Notching of frames or sub-frames is NOT allowed.

STEERING
Steering components (box, pitman arm, idler arm, drag link, tie rods and ends, and couplers) must be OEM. No modifying or reinforcing allowed. Steering quickners allowed. Steering column may be replaced with a shaft that is stock length. Quick disconnect steering wheel couplers are allowed.

WHEELS/TIRES
Both right side wheels must be plated or heavy duty steel or aluminum. No stock steel including rally wheels or honeycomb aluminum factory wheels allowed on the right side. Maximum wheel width is 8". Maximum tire size is 275/60/15. Use of mud plugs made of rubber or plastic is allowed on right rear only. No beadlocks allowed. Wheel studs may be changed to a larger diameter size in the interest of safety. 1" OD lug nuts are mandatory. Broken, stripped, or missing wheel studs or lug nuts must be replaced, or car will not be allowed to race. Tires must be street tires as manufactured for use on passenger cars. All factory names and numbers must remain on tires. No tire grooving. No light truck, mud, snow, off road, or recap tires allowed. All tires must have a tread wear rating of 240 or more to be legal. Any time a car is found at the track with an illegal tire on it, that car will be fined and or disqualified from racing for the entire night. *Hoosier IMCA Stamped G-60 is allowed with no tire grooving. No American Racer, Hoosier 500 or any other race tire will be allowed.

ROLL BARS
All cars must have a four-point minimum roll cage. Cage must be minimum 1 1/2" tubing with a .095" wall thickness, minimum. 1 3/4" x .095" tubing is recommended. Three door bars left side, two door bars right side minimum. If you remove your top to install a roll cage, you must weld it back on to all four corners plus a minimum of two bolts to top of roll cage. Front loops (Maximum 1 x .095 tubing) are allowed, but must remain inside the body structure. . No reinforcement front loop to bumper. No cross braces or X's above the dash line. When a tech inspector deems necessary, a 3/16 hole will be drilled in the main hoop, halo, driver door bars, front door bar, rear door bar, and cross bar in the rear of the car. This is a to ensure material thickness and to check lead in the tubes. 2" space recommended for helmet to roll cage clearance (above head). If the roll cage is bolted to the floor pan, a 6 x 6 x 1/4 steel plate must be bolted to the top and bottom of the floor pan to weld to. Rear loops are allowed. Core supports may be replaced with maximum 1 1/2" x .095" tubing. Approved racing seat, lap belt, and shoulder harness belts must be mounted to the roll cage. Mounting of these items to the floor pan is not allowed. Roll cage must be positioned so the driver's seat remains in the stock location

SEATS AND SAFETY EQUIPMENT
No grace races on safety related violations as deemed by head tech inspector. Racing approved 5 Point harnesses are mandatory. Shoulder harness must be mounted below driver's shoulders and securely attached to roll cage. Seat belts must be attached to roll cage. re-certified after 5 years of age. Subject to inspection at any time. No Y Style belts. Seat must be securely mounted to the roll cage. The seat cannot be mounted to the floor pan. Seat must be replaced with high back aluminum racing seat. Headrest or roll cage padding must be installed where seat back is not high enough to protect the driver's head. All drivers must wear full safety equipment every time they go out on the track. Helmets must be worn anytime you operate the vehicle. Safety equipment consists of SFI approved fire suit, SFI Neck brace or approved head/neck restraint, SFI approved gloves, and Snell approved with a rating of SA 2000 or better, full-face helmet with full chin protectors and flip-up shield for fire protection. M type helmets are not allowed. Drives side window nets are mandatory. The window net is to be mounted so that the latch is at the top front of window. No open face helmets and no goggles are allowed. Fuel and oil lines in the driver's compartment must be encased in metal tubing from front firewall with no breaks in the tubing. Steel braid line is accepted. Two 2" holes must be in the trunk lid. A Kill switch required within easy reach of driver. The switch must be clearly marked 'OFF' and 'ON'.

Fire Extinguishers
On board fire extinguisher (2 lb.) MANDATORY, within drivers reach while strapped in. Steel mounts only, no plastic. All cars will be required to have in their pits a minimum of one 2 pound, dry chemical fire extinguisher.

INSPECTIONS
All cars are subject to inspection at any time and in any manner determined by track officials. If a Car is found Illegal: Penalties will be properly asset by officials on a severity of violation.
 

The last main event winner will tag the main event.

The rules and/or regulations set forth herein are designed to provide for the orderly conduct of racing events and to establish minimum acceptance requirement for such events. These rules shall govern the condition of all events, and by participating in these events, all participants are deemed to have complied with these rules. NO EXPRESSED OR IMPLIED WARRANTY OF SAFETY SHALL RESULT FROM PUBLICATION OR OF COMPLIANCE WITH THESE RULES AND /OR REGULATIONS. They are intended as a guide for the conduct of the sport and are in no way a guarantee against injury or death to a participant, spectator or official. The Race Director shall be empowered to permit minor deviation from any of the specifications herein or impose further restrictions that in his/her opinion do not alter minimum acceptance requirements. NO EXPRESSED OR IMPLIED WARRANTY SHALL RESULT FROM SUCH ALTERATION OF SPECIFICATIONS. Any interpretation or deviation of these rules is left to the discretion of the officials. Their decision is final.

Remedies-Decisions:

Failure of either party to cooperate with the officials and or rules may result in protest being denied or upheld on technical violations.

Decisions: Decisions made by officials are final. There will be no appeal of compliance once a decision has been rendered. 

Refusal To Tear Down: The Driver will lose all points for the entire current season and driver will be disqualified from that nights racing, losing all money, trophy’s etc.

If Protested Vehicle is deemed to be Legal: The Protested driver will receive $100.00 of protested money. $25.00 will go to the points fund.

If the Protested vehicle is deemed to be Illegal: The Protester will receive a $100.00 refund. $25.00 will go to the points fund. The Protested illegal car will be fully disqualified from all events for that day of racing. This includes all monies, awards and positions. The second time the vehicle is found illegal will result in loss of all points accumulated for prior events in that racing year. The Third time the vehicle is found illegal will result in a suspension of the car and driver for the entire racing season.

Penalties:

The Driver of the car is totally responsible for all actions of his car owner and pit crew. Any behavior such as: abusive language, threatening, or intimidation, or any other actions determined by and official to be un-sportsman like in conduct will result in a minimum of disqualification. Fighting will not be tolerated. Any fighting at the facility will result in civil charges being filed, NO TOLERANCE.