2010 NASCAR Stock Car rules  

Park Jefferson Speedway


 

The rules and/or regulations set forth herein are designed to provide for the orderly conduct of racing events and to     establish minimum acceptable requirements 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 PUBLICATIONS OF OR 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 reasonable and appropriate deviation from any of the specifications herein or impose any further restrictions that in his opinion do not alter the minimum acceptable requirements. NO EXPRESSED OR IMPLIED WARRANTY OF SAFETY 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.

 ENGINE CLAIMING RULES:A) WARNING-Any evidence of a competitor or crewman threatening with verbal abuse, physical abuse, physical harm or retaliation will subject the offender(s) to stiff fines, suspension and/or criminal prosecution.
(B) $550 cash or exchange, claim on engine, flywheel and balancing plates ($50 goes to wrecker. Claimed driver has option of accepting cash, or exchanging engines with claiming driver.
(C) Claim does not include - 1. clutch, 2. pressure plate, 3. bellhousing, 4. headers, 5. carburetor, 6. starter, 7. motor mounts, 8. oil/temp. sending units, 9. carburetor spacer, 10. fan and pulleys, 11. clutch ball, 12. clutch arm, 13. throw out bearing, 14. dip stick, 15. water pump, 16. fuel pump, rod and plate, 17. distributor, 18. plug wires, 19. water outlet and restrictor, 20. breathers.

   (D) First four (4) finishers in the A feature must report directly to the claim area, are subject to claim by any driver finishing FIFTH (5th) through (12th) in the A feature and is on the lead lap. Failure to report directly to the claim area will result in a disqualification and loss of money and points for that night of racing (engine still claimable). In case of multipule claims on the same engine, a drawing will be held to determine which drivers gets the engine. Should the first driver withdraw his claim, he will receive a $200 fine and the next qualified driver will be awarded the engine. The claim is not charged to those not awarded the claim. A 5th car from the A feature will be selected each night for tech inspection after feature.

   E) Driver making the claim must drive his/her racecar immediately after finish of feature, under its own power, directly to claiming area. Only involved drivers and officials will be allowed in claiming area.

   F) Claim must be made to tech official within 5 minutes after end of feature race, and claimed engine must be completely removed within one hour from the time claim is made and driver agrees to sell engine.

   G) Claims must be made in cash only and driver must carry the cash.

   H) Only driver can make an engine claim anf only the driver must carry the cash.

   I) Promoter may claim the engine of any driver finishing in the top 10 immediatley following feature, unless that driver has made a legal claim in that event.

   J) Refusal to sell forfiets all cash, trophies and contingency winnings for the night and the right to claim in any class for the remainder of the points season. Any driver refusing to sell engine, when claimed within rules, will be subject to the car and driver being suspended from PJ. The claim is not charged to claiming driver in case of refusal.

   K) First refusal will be a 4 night suspension from PJ, a $1000 fine payable to PJ for the point fund and loss of points accumulated to date. Second refusal will result in suspension from PJ for the remainder of the year, loss of all points fotr the year and a $2500 fine payable to PJ for the point fund. If refusal takes place during the last two weeks of the season the suspension will be for 4 race nights, including next season, and a $1000 fine if the first refusal and $2500 fine if it is the second refusal.

   L) Once an engine claim has been made and accepted, thee enb+gine is not to be started, under any circumstances. The car is to be pushed back to the area where removal will take place. All claimed engines must be removed from final.

   M) Both engines must tech legal for the claim to be valid.

   N) The cylinder block may not be altered in such a way as to prevent it from being used in a stock application. Stock OEM components must be able to be immediately used in their stock location. Any sabotage discovered to claimed engine will result in driver being suspended for two race nights from PJ. Drivers are to be held accountable for any sabotage discovered while pulling engine, and will be responsible for any and all penalties as a result of any sabotage. The claim will be disallowed and the money returned to the claimer.

   O) No driver nay claim more than two engines during a calender year.

    P) Claim is in effect on opening night for all eligible drivers. Anyone making a claim on the first two nights must have run at least 80% of the previous years features. After that , the driver must have raved the two previous race nights and competed in at least 50% or more of the events held to date to claim.

   Q) No one driver may claim any other one driver more than once during a calender year.

    R) A disqulification (from other than an engine violation)will not affect a legal claim. The engine will be pulled and transfered prior to any penalties being assessed.

    S) Un-sportsmanlike conduct during a claim procedure or while pulling engine, will result in an immediate $100 minimum fine plus loss of money and/or points for the night.

   T) Any person owning more than two car may not claim if one of his cars finishes in the top six positions.


A. SAFETY :
Kill switch required within easy reach of driver and must be clearly marked “OFF” and “ON”. Rules apply at all times car is on track. Snell-rated SA2000, SA2005 or SFI 31.1/2005 helmet required. Roll bar padding required in driver compartment (Fire retardant recommended). SFI-approved full fire suit required. Fire retardant neck brace, gloves and shoes required.
Right and left seat head supports required if using head restraint system with no neck collar.Recommended: Fire retardant head sock and underwear; head and neck restraints; collapsible steering shaft. Driver-side window net required, minimum 16 inch by 20 inch ribbon or mesh style, and must be mounted so latch is at top front of window. Minimum three inch wide SFI-approved five point safety belt assembly required (Y-type shoulder harness not allowed), must be mounted securely to roll cage, a Minimum three inch (two-inch with head restraint system)nd recommended to be no more than one year old.
B. FRAME:
No Camaros, Firebirds or Mustangs. Any American OEM full body rear wheel drive passenger car, 1964 or newer, full frame or anybody. Minimum 107.5 inch wheelbase, maximum one inch difference from side to side. Frame must match body — GM to GM, Ford to Ford, Chrysler to Chrysler — AND wheelbase to wheelbase.
Exceptions are: 1980 or newer Ford two door unibody may be installed on 1978-1987 GM full frame OR Ford full frame (shortened to minimum 107.5 inch wheelbase). Chrysler engine may be put in 1978-1987 GM full framException is: e. Rear of frame behind rear tires, no further forward than one inch behind factory seam, may be replaced in OEM location with two inch by three inch steel tubing with 0.095 inch wall thickness. Factory seam must remain visible. Anybody must tie rear frame to front frame. Frame may be “X” braced.

C. ROLL CAGE:  Main cage must consist of continuous hoops, minimum 1.75 inch O.D. tubing, with a minimum wall thickness of 0.095 inch, low carbon or mild steel recommended. Four-post roll cage required, front down bars and rear hoop must be welded to OEM frame. Driver’s head must not protrude outside cage with helmet on. Rear hoop must have “X” brace, consisting of one full horizontal and one full diagonal bar, minimum 1.25 inch O.D. with 0.083 inch wall thickness. Foot protection bar required.Front down bars must be tied together; passenger side front down bars must be maximum 11 inches in from top of door. Must be minimum 40 inches between front and rear down bars at top of door panel. Maximum 41 inches (48 inches for 1988-1996 GM bodies) from top center of windshield to front edge of rear hoop; maximum 13 inches (20 inches for 1988-1996 GM bodies) to front edge of top halo. Top halo must be minimum 40 inches across, outside to outside. Rear hoop may be maximum 12 inches in from bottom of opera window. Minimum one cross bar in top halo. May have maximum two horizontal bars, (in addition to bar tying front frame horns together) for radiator protection; must be behind bumper, within confines of body, no wider than stock frame horns. Required rear kickers (down bars) and engine hoop must be minimum 1.25 inch OD tubing, with 0.083 inch wall thickness. Fuel cell protection required must be mounted frame rail to frame rail, no higher than fuel cell, inside trunk area with maximum 1.75 inch OD tubing. All bars must be inside body.
D. DOOR BARS: All door bars and uprights must be minimum 1.75 inch O.D. with 0.095 inch wall thickness. Minimum three door bars, both sides, parallel to ground, and perpendicular to driver. Minimum four uprights tied from frame to top door bar on driver side, and minimum three uprights on passenger side. Steel door plates, 18 gauges or 0.049 inch minimum thickness, must be securely welded to outside of door bars on driver’s side. Plate must cover area from top door bar to frame and from rear down post to five inches in front of seat. Must be visible for inspection.
E. BODY:  unaltered OEM, and centered over wheel wells (front to rear and side to side). Front body mounts must be visible. May use 1988-1996 Cutlass, Grand Prix, Lumina, Regal or Monte Carlo body on 1978-1987 GM 108 inch wheelbase full frame. Sunroofs and T-tops must be enclosed. OEM or aftermarket plastic nose and tail pieces allowed (recommended to match body).
Body and engine make must match. All body panels may be gutted, including fenders, doors, hood, roof, quarters and trunk, but must remain original size. No overlapping or shortening of body panels. Hood must be separate from fenders, in OEM location, with rear sealed off from driver compartment with metal. All inner wheel wells may be removed.No spoilers, hood scoops, ground effects, skirting or reflective body panels.All ‘B’ pillars may be trimmed to minimum 2 inch width, must remain within OEM location. Rear edge of trunk may be trimmed and rear tail light support removed only if aftermarket tail piece is used. Trunk floor must be removed over rear end housing, entire trunk floor may be removed. All windows must remain open, except opera windows may be covered with clear lexan, no decals. Maximum seven inch metal sun visor may be added to top of windshield opening. Wheel wells may be trimmed for tire clearance. Rocker skirt/flare allowed between tires only, cannot extend outside tires, minimum 4 inch ground clearance.
F. DRIVER COMPARTMENT: Minimum of three windshield bars in front of driver. Aluminum high-back seat only, must be bolted in using minimum 0.375 inch bolts. Seat must remain inside all confines of roll cage. Driver must be sealed off from track, driveline, engine and fuel cell. Kick and rocker panels may be removed. Front OEM firewall may be replaced using steel fabricated firewall, 18 gauge or minimum 0.049 inch thickness. Top of firewall can be no further back than 12 inches from the back of engine block, measured horizontally. Bottom of firewall can be no further back than rear of oval body mount frame hole. Dash must not extend more than 24 inches back from top of firewall. Dash must be flat, rear can be no higher than front, except for cowl in front of driver. OEM floor pan may be replaced using steel fabricated floor pan, 18 gauge or minimum 0.049 inch thickness, securely welded to frame. Floor pan may be replaced from front firewall to rear halo supports. Must remain flat/OEM appearing from frame rail to frame rail, can be no higher or lower than frame rail. Exception is maximum 8-inch tall driveshaft tunnel. Tunnel must remain similar to OEM tunnel in size. No cockpits, interior must remain open. Rear firewall may be aluminum or steel and may be located no further forward than rear halo supports and no higher than bottom of rear opera windows. All holes in firewalls must be covered with metal. No driver-adjustable devices allowed while car is in competition except brake adjuster. No mirrors of any kind.
G FRONT SUSPENSION: All components and mounts must be steel, unaltered OEM, in OEM location and match frame. Rubber, nylon or steel lower A-frame bushings only - no offset or bearing type. No sway bars. Exceptions are: weight jacks allowed - must be in original centerline of spring tower; OEM upper A-frame mount may be moved or replaced with aftermarket steel mount matching upper A-frame bolt on design; OEM or OEM replacement ball joints allowed. For 1978-1987 GM mid-sized metric frame, OEM upper A-frame may be replaced using aftermarket upper A-frame, . Shock location may be moved and may go through center of aftermarket upper A-frame, but frame cannot be altered in any way. Single hole shock mounts only.
H. STEERING: No rack and pinion. All components must be steel, unaltered OEM, in OEM location and match frame. Exceptions are: bolt on spindle savers allowed, OEM steering column may be replaced with steel knuckles and steel steering shafts (collapsible recommended). Quick release required - steering quickener and steering wheel may be aluminum.

I. SHOCKS: One steel nonadjustable unaltered shock per wheel. No coil over, air, or remote reservoir shocks. No Schrader or bladder type valve allowed. No coil over eliminators. One or all shocks may be claimed per event for $50 each, counting as one claim on card, following shock claim procedures
J. SPRINGS:  All coil springs must be minimum 4.5 inches O.D. and non-progressive.
One steel spring per wheel only.
K. REAR SUSPENSION: All components and mounts must be steel, unaltered OEM, in OEM location, and match frame. No independent rear suspension. Rubber or nylon control arm bushings only, no offset or bearing type. Welded single-hole shock mounts only. Exceptions are: coil springs may be moved, but center line of axle tube can be no further forward than the front of spring, or no further back than rear of spring; shocks may be moved, but must remain behind housing; lower control arm mounts on rear end may have multiple holes (maximum of five) for adjustment. Upper control arm mounts on rear end must be level with each other.
L. REAR END: Any steel approved OEM passenger car or truck non-cambered rear end (housing and carrier) allowed. Safety hubs (floater) allowed. No sway/panhard bars. All components must be steel, exceptions are: lowering blocks, axle cap, and drive flange may be aluminum. No adjustable lowering blocks. One inch inspection hole in housing required. Full steel spool, steel mini spool or welded rear end only. Steel axles only. No quick change devices. One piece drive flange only. No torque-dividing differentials. No scalloped ring gears.
M. BUMPERS: Maximum one inch wide by two inch tall steel or lexan rub rails allowed - bolted flush to body. Front and rear tow hooks mandatory. All front bumpers must be mounted minimum six inches from front frame horns. Steel bumper mounts only. No sharp edges allowed on bumpers, rub rails or bolts. One of two bumper options must be used and must be OEM height:
OEM: Bumpers not covered by plastic nose or tail piece must be complete, unaltered OEM, capped to fender with steel, welded or bolted. No bars past outside edge of body other than rub rails.
Aftermarket: Fabricated tubular bumpers allowed, but must be covered by plastic nose or tail piece and bent to fit with rounded ends. Main bumper bar must be minimum 1.5 inch O.D. (maximum two inch) with 0.083 inch (maximum 0.125 inch) wall thickness on front, and 1.75 inch O.D. with 0.120 inch wall thickness on rear.
N. TIRES/WHEELS: Must use unaltered Hoosier Race tire, G60-15  No chemical softening, conditioning, or grooving of tires  Tires may be ground or siped within confines of tread (not past factory straight line). No re-caps.  Spacer or offset wheel, or a combination of the two allowed, but cannot exceed two inches total offset per wheel. May use  bead lock, on right rear only. External, steel bead lock only and it cannot make wheel any narrower than 8 inches and no wider than 8.75 inches. Steel bolts only. Foam type or plastic outer mud cover allowed on right side wheels. Inner mud cover allowed on left rear only. No bleeder valves.
O. BRAKES: Steel, unaltered OEM, or unaltered OEM replacement, operative four wheel, drum or disc allowed. Front components must match frame and maintain minimum OEM dimensions for hubs/rotors and calipers, cannot be lightened. OEM diameter caliper pistons only. Bolt pattern may be changed. Larger studs allowed. Vented rotors only, no scalloped or ceramic coated rotors. Rear rotors may be aftermarket 0.810 inch thick (new). No floating brakes. No brake shut-off or pressure sensitive devices. One front to rear proportioning device allowed. Brake lines must be visible. Aftermarket pedal assembly allowed.
P. EXHAUST: Round tube headers only. All primary header tubes must enter directly into one collector at same point at end of header. Must remain dual exhaust, no crossover or “Y” pipes. No exhaust through body panels or fenders. Schoenfeld mufflers,  must be used if track has noise reduction rule of 98 d.b. or more. All exhaust must go through muffler, two per car, one per header. No merge collectors. No exhaust sensors.
Q. FUEL SYSTEM: Mechanical OEM type push rod fuel pumps only. Racing fuel cell required, maximum 22 gallon, must be in minimum 20 gauge steel container. Must be securely fastened in trunk above top of rear frame rails, behind rear tires, no further forward than factory seam where rear frame rail can be replaced, with minimum two solid steel straps around entire cell, two inches wide and 0.125 inch thick. No fuel cells allowed over rear end housing. Metal firewall must be between driver and fuel cell. All cell mounts must be steel, securely welded to frame/cage. No adjustable fuel cell mounts. Fuel cell vents, including cap vent, must have check valves. If fuel cell does not have aircraft style positive seal filler neck/cap system - a flapper, spring or ball type filler rollover valve is required. Fuel lines through driver compartment must run through metal pipe or metal conduit. One fuel filter only, cannot be in driver’s compartment. No cool cans. Air cleaner top/stud cannot direct air into carburetor. No top flow air cleaner housings, cold air boxes or air cleaner duct work. Must use unaltered 350 c.f.m. Holley - part no. 0-80787-1- with no modifications, or part no. 0-7448 which may be modified to meet the specs of part no. 0-80787-1. Holley carburetor components only. Any driver caught with non-350 Holley will be fined $500 or suspended for two weeks. Air bleeds cannot be removed, .076 inch maximum diameter. Float bowl must face forward. Carburetor adapter/spacer allowed, maximum 1.20 inches thick, including gaskets. Carburetor may be exchanged, following same procedure as engine claim. Driver claiming carburetor may not claim engine or shocks on same night.
R. FUEL: Gasoline only. Racing fuel allowed. No E85. No performance enhancing or scented additives. Fuel must pass both dielectric meter and chemical tests
S. WEIGHT: Track option to enforce a minimum weight limit of 2,950 pounds, after race with driver in car. No tolerance. No weights and/or loose objects in driver compartment or outside body and must not be visible. Weights must be securely mounted to frame or roll cage and painted white with car number on it. Must be attached with at least two 0.5 inch bolts. No titanium, magnesium or carbon fiber products. No gun-drilled, tubular, hollow bolts or studs. Steel fasteners only.
T. BATTERY/STARTER: One 12 volt battery only, must be securely mounted between frame rails, and positive terminal must be covered. Battery must be in Marine type case if mounted in driver compartment. Starter must bolt in OEM location. Car must have capability of starting without being pushed or pulled. Car must leave initial staging area on demand, unaided, or go to rear of that race.
U. GAUGES/ELECTRONICS: No unapproved cameras, transmitting or listening devices. No timing retard controls, or digital gauges (including tach). No electronic monitoring computer devices capable of storing or transmitting information except analog tach. No adjustable ignition control boxes. Only one 12 volt ignition box allowed, must be out of driver’s reach. No additional ignition accessories. Only change allowed to ignition box is one high-end rev-limiter. Setting can be changed through one chip only, or an internal setting inside box. No alternators or magnetos. No electronic traction control devices
or crank triggers. OEM type alternator with internal regulator allowed.
V. TRANSMISSION/DRIVE SHAFT: Must have at least two forward gears and one reverse, plus neutral position. With motor running and car in still position, must be able to engage car in gear and move forward, then backward. Only OEM production type transmissions allowed - two speed, three speed, four speed and automatic. No five speed (or more) transmissions, “in and out” boxes, or quick change devices allowed. Functioning shift levers must be in OEM location. Flywheel/flexplate must be bolted directly to end of crankshaft, and pressure plate must be bolted directly to flywheel/flexplate. One flywheel/flexplate only, and all driveline components within bellhousing must rotate consistent with engine RPM while car is in any gear. Unaltered flexplate must be full OEM, or OEM replacement.
Manual: Must be OEM or OEM replacement case and have a working 7.25 inch minimum diameter, steel and/or aluminum, single or multi-disc clutch inside explosion-proof steel bellhousing - minimum 270 degrees around top of clutch/flywheel area.
Automatic: Must remain in OEM or OEM replacement case, with a functioning OEM appearing pump. Aluminum OEM bellhousing may be replaced with aftermarket explosion-proof aluminum bellhousing. Original OEM bellhousing must have approved scattershield constructed of minimum 0.125 inch by three inch steel, 270 degrees around flexplate. Manual bump starts allowed.
Drive Shaft: Minimum two inch diameter steel drive shaft, must be painted white. Steel slip-yokes only. 360-degree drive shaft loop required and must be constructed of at least 0.25 inch by two inch steel, or one inch tubing, mounted six inches back from front U-joint.
W. ENGINE COMPARTMENT: Engine must be in OEM location. On GM metric frame, center of fuel pump must be located minimum 1.75 inches in front of cross member (measured at frame). Ford metric frames must have back of fuel pump in front of cross member. V-6 engine must be in OEM location. Frame and cross member may not be altered for engine placement. Engine mount holes cannot be removed or altered on block. Aftermarket engine mounts allowed, including mid-plate. Engine must be OEM appearing, must be able to be used in conventional passenger car without alteration. GM with GM, Ford with Ford, Chrysler with Chrysler. Radiator must be mounted in front of engine. Cooling system may be modified. Overflow tubes must be directed to ground.
X. ENGINE SPECIFICATIONS: Any American make engine allowed. Steel heads, block and oil pan only. OEM passenger vehicle production block only. No GM Bowtie, Ford SVO or Chrysler W blocks. Castings and fittings cannot be changed, no machine work on outside of engine. No cubic inch limit. Full roller rocker arms allowed. No stud girdles. Flat tappet cam/lifters only. No mushroom lifters.
INTAKE: Unaltered, approved OEM cast iron low rise, two- or four-barrel. Only aftermarket aluminum intakes allowed are: Weiand GM #7547-1; Ford #7515, #8023 or #7516; Chrysler #7545; Edelbrock GM #2701, #2716; Ford #7121, #7181, #7183; Chrysler #2915. No porting or polishing allowed to any intake. Cooling lines allowed on aluminum intakes. Disqualification, loss of points, purse and $250 fine if any alterations are found to intake. No bow tie or high rise intakes. OEM firing order cannot be changed (GM: 1-8-4-3-6-5-7-2). Steel or aluminum water pumps allowed. No electric water pumps allowed. ‘Wet’ sump oiling system only. Accumulator allowed – cannot be located between seat and door bars. Cannot alter lifter bores. .Z) CRATE ENGINE: Must use unaltered sealed GM crate engine #88958602. Upon inspection, any different, altered or missing GM seal bolts will result in disqualification, loss of all NASCAR points for the season, $1,000 fine and a one year suspension. GM seal bolt exception  $250 fine and two week suspension for any crate engine not using required distributor, rev limiter, pushrods, valve springs or rocker arms. Any driver using crate engine cannot claim engine or have engine claimed. During same season, no driver is allowed to claim an engine after competing with a crate. If a driver switches to a crate after claiming an engine, the crate engine is then claimable             GM CRATE ENGINE: may use any Holley 4 barrel carburetor, all components (float bowls and main body) must be Holley manufactured. Metering blocks and base plate may be billet aluminum non-Holley. No aerosol-style carburetors allowed. May use one inch thick carburetor spacer, must use Moroso part #64940 with GM crate. Maximum 0.100 inch thick carburetor gaskets only. All carburetors, may be exchanged, style for style only, following same procedure as engine claim. Driver claiming carburetor may not claim engine or shocks on same night.Requires 6200 Rpm Chip.



Address
Park Jefferson Speedway
48426 332nd St
Jefferson SD 57038
Phone
Track: (605) 966-5517
Denny Moore (712) 251-1467
Office (712) 274-6324
Fax (712) 274-9909
Email

Mailing Address
Park Jefferson Speedway
4501 Gordon Dr
Sioux City, IA 51106