2008 PURE STOCK RULES

PURE STOCK RULES

ELIGIBILITY REQUIREMENTS

The Pure Stock division at the Speedway is an entry-level division with the focus on affordability. The following rules will be strictly enforced to see that the intent of the class is maintained. Any dominant driver may be asked to move to another division of racing at season’s end. All drivers must have a valid state driver's license and parent's consent as needed. Any driver that competed in a higher class at the FMPwithin the same year will not be allowed to drive a Pure Stock car. Any driver that has established track points in any regular FMPDivision may NOT compete in the Pure Stock Division on a regular points night. Exception being Figure 8 class.

ENGINE

Any year engine may be run in any body, must be in model line (i.e. Chevy/Chevy Ford/Ford, and so forth). Engine must remain stock in stock location. All block and engine component (heads, intake, etc.) casting numbers must remain. No after-market engine parts allowed. No notching frame for fuel pump clearance. Cubic inch limit as follows: Chevy 350, Ford 351, Mopar 360, must have stock stroke and bore plus .030. Stock type flat top piston - no domed. Stock cast-iron two-barrel intake only, no after market allowed, no modifications allowed. Hydraulic or solid cams only. Stock OEM Rockers & lifters only. Roller tip, 1:5 ratio allowed. Hydraulic lifters only- no mushroom lifters, no slotted rockers, polylocks allowed. Stainless steel valves allowed. No Stud Girdles allowed. No Vortec Heads allowed. No heads larger than 2.02” on all small block engines. No adaptors. Stock OEM production cast iron. No porting, polishing, or grinding. Heads must have internal and external measurements stock. No factory performance cylinder heads. No Chevy angle plug heads. No Dart or World Products heads.

NOTE: ENGINE RULES ARE DIRECTED AT THE CHEVY ENGINE. PLEASE CHECK WITH TRACK OFFICIALS IF ANOTHER BRAND IS BEING CONSIDERED FOR COMPETITION.

Gasoline only. No ignition timing altering devices. OEM ignition systems only, (see Super Stock ignition rules). Stock 2bbl. carburetor or optional Holley 4412 (see street stock carburetor rule). Street style headers allowed. No crossover headers or 180-degree headers allowed. Hood scoops permitted. 3-inch maximum height. Mufflers recommended.

TRANSMISSION

Stock automatic transmission and functioning torque converter.

Stock Manual Transmissions must have stock dimension, flywheel, clutch, and pressure plate. Flywheel mini. 25 lbs. Mandatory scatter shield.

REAR END

Stock rear end only - Rear ends from different year cars will be allowed but must remain same as manufacturer. Rear end must be locked, spools allowed. 1” racing lug nuts mandatory on all wheels with ½” wheel studs recommended. Drive shafts must be steel and painted white. All cars must have full steel drive shaft safety hoop mounted not more than 6” from front U joint. No chains or cables. All weights must be painted white with car number in dark paint.

SEAT

Aluminum racing seat mandatory. Must be high backed, minimum of 0.095 material. Seat mounting (see street stock rule). Seat location- stock OEM position.

BODY

Any American made sedan, 2 or 4 door. All cars must have factory stock wheelbase. A minimum 1” tolerance will be allowed. No front wheel drive cars. No sub compact cars. Full frame cars highly recommended. Outside body must be complete, and stock, aftermarket factory produced stamped type steel replacement panels allowed (Five Star, Performance Bodies, etc…). Inside door panel, inner fender, trunk floor, and dash may be removed. Fenders can be cut 2 inches only for wheel clearance. All glass must be removed. Windshield

openings must be covered with 1/2 square wire screen heavy gauge. Floorboards must be complete with all holes patched from front firewall to rear firewall, from outside edge to outside edge of frame rail. Passenger side floor can be removed, must be replaced by either 20-gauge steel or .080 aluminum plate, from center of hump to passenger side top door bar (must be no higher than straight sloped – NO LATE

MODEL STYLE COCKPIT. Front firewall must be in stock location, (can be replaced with 20 gauge steel or .080 aluminum plate) and rear

firewall and rear window shelf must be sealed off from driver's compartment with at least 20-gauge steel, no holes. All doors must be welded or bolted shut. No solid dark painted bodies will be allowed. All cars must look presentable. Seat and steering column must remain in stock location (seat can not be located further back than 32” from center of rear axle housing to the back bottom edge of the seat, a 1” inspection hole must be provided in rear firewall at center of seat back bottom location). No holes in the hood, 3” tall hood scoop allowed, non-functioning completely sealed. Maximum 3-inch tall spoiler with no side supports is allowed. Window net is required on driver’s side. Gas pedals must have toe lift. No cable linkage allowed. After market gas pedals recommended with toe lift.

COOLING SYSTEM:

OEM style radiator in stock location. Must have one quart overflow tank. 22-pound radiator cap recommended. Aluminum radiators allowed.

WHEELS

Maximum 8” wheel width. All four wheels must be steel & same offset. Stock wheels must be reinforced. Racing wheels recommended. No Bead Locks allowed.

TIRES

Maximum 8” wide tires, DOT approved tires only. May use Racing recaps if on DOT casing. Grooving, buffing, and siping allowed. No softening of tires. American Racer size 245/70, non DOT racing tire is allowed

SUSPENSION

Suspension components (control arms ...etc) must be stock and in stock location. After market stock appearing springs permitted. NO EXCESSIVE RUSTED FRAMES. Frames may be replaced from behind rear wheel to rear bumper with tubular steel. Unibody cars must tie-subframes together (Mandatory). Adjustable spring spacers (cups) allowed front and rear. No shims allowed. No adjustable spring shackles.

SHOCKS

Must be mounted in stock location for type of rear-end housing being used, using stock type mounts and hardware. Rear upper shock mount may be altered to accommodate fabricated shock mount. After market, non-adjustable shock allowed, one per wheel. No aluminum shocks. No gas charged shocks.

ROLL BARS AND BRACING

Roll bars must be a complete 6-point bar, with 4 bars inside driver's door. Bar minimum of 1 1/2 O.D. black steel pipe or seamless tubing of 0.095 thickness, all junctions must be gusseted. Also, must have 1 bar down center of windshield of same dimension. No offset or set back roll cages.

BUMPERS and NERFS

Nerf bars/rub rails: One external horizontal rub rail on each side of the car between the wheels only is allowed. Must be steel square tubing with a maximum dimension of 1” wide by 2” high. Rails must mount flush against the body panels with each end cut at 45 degrees and capped with no sharp edges; any exposed bolt must be a carriage type head. Front Bumper - Stock type bumpers & covers only, no exposed tubular or 2x4 except for hoop. Rear bumper - stock type, stock type cover, or fabricated steel, max. 4-inch height, cannot exceed 4-inches beyond rear of body and filler. All rear bumpers must have lower quarter panel nerf (considered as part of bumper), Lower quarter nerfs must be against body and extend a minimum of 1-foot forward before turning and mandatory connecting to frame. All bumpers cannot exceed being flush with sides. All Collapsible bumpers must be welded so they will not pull apart. Bumpers must be securely fastened to the frame. No visible reinforcement on bumpers. No cowcatchers. Front and rear bumper hoops no higher than 8’, no wider than the frame. Bracing allowed - two braces per hoop, no larger than 1 1/2’. May be welded to frame behind bumper.

FUEL CELL

Fuel cells mounted in steel container mandatory. All fuel cells must have tip-over valve in fuel cell or vent line. Maximum 22 gallon. Mounting instructions refer to Street Stock rules.

BATTERY

All cars must self-starting. Battery location is optional, but must be mounted in a safe location, and it must be secure. Terminals must be insulated. 12-volt systems only no high voltage batteries.

BRAKES

Operable and effective 4-wheel brakes mandatory at all times. Three wheel brakes allowed, bur all components must be in place (rotor, caliper, hose, etc). Dual Brake Master Cylinders allowed. Bias adjuster allowed, NO REMOTE ADJUSTERS ALLOWED. Rear stock disc brakes allowed.

GENERAL

Heat may be run at the discretion of the promoter. A feature event will be run.

Up to 24 cars will qualify for feature event. Any car causing unnecessary delays in the racing program will be disqualified. This rule will be enforced.

IMPORTANT NOTICE.

RACE TRACK OFFICIALS RESERVE THE RIGHT TO REJECT ANY ENTRANT FOR ANY REASON THEY DEEM NECESSARY AND APPLICABLE. ALL PARTICIPANTS ARE CONDUCT THEMSELVES IN A MANNER THAT REFLECTS FAVORABLY ON THE SPORT OF AUTO RACING. FOUL OR ABUSIVE LANGUAGE WILL NOT BE TOLERATED.

THE MANAGEMENT RESERVES THE RIGHT TO CHANGE ANY RULE OR RULES THEY FEEL IT IS NECESSARY AND REFUSE ANY PROTEST IF THEY FEEL IT IS UNNECESSARY AND BEING USED FOR HARASSING REASONS. ALL FINES AND/ OR SUSPENSION WILL BE IN EFFECT AT ALL EVENTS. THE INTERPRETATION AND INVOKING OF THE RULES PUBLISHED HEREIN SHALL BE DETERMINED BY FMPOFFICIALS ONLY IN THEIR PROFESSIONAL DISCRETION.