Revised 03-18-2008

The rules and regulations set forth herein are designed to provide 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 compiled with these rules. No express or implied warranty of safety shall result from publication of or compliance with, these rules and regulations. They are intended as a guideline for the conduct of the sport and are in no way a guarantee against injury or death to a participant, spectator, or official.

The Grand Rapids Speedway Tech Committee shall be empowered to permit reasonable and appropriate deviation from any of the specifications herein or impose any further restrictions that in their opinion do not alter the minimum acceptable requirements. Any interpretation of, or deviations from these rules are left to the discretion of the Board Members. The Boards’ decisions are final. ANYTHING NOT SPECIFICALLY MENTIONED IN THE RULES WILL BE CONSIDERED ILLEGAL UNLESS APPROVED BY THE BOARD BEFORE BEING USED.

SAFETY:

A. Glass, chrome, plastic, and upholstery must be removed.
B. Car must have at least a half windshield that is covered with mesh. Along with this, you must also have three (3) securely mounted steel bars that are a minimum of 3/8 inch solid steel.
C. Helmets are required and must be a minimum of Snell 95SA rated, and must be worn at all times when the car is on the track and must accompany the car at time of inspection. The helmet must have face shield or eye wear protection, which must be in place while the car is on the track.
D. A driving suit of flame retardant material is mandatory.
E. Fuel cell and/or fuel tank to be made of metal or encased in metal and securely mounted to frame or roll cage above floor board inside the trunk.
F. Maximum capacity of fuel cell will be 32 gallons.
G. Battery must be securely mounted and shielded inside trunk.
H. Loose objects and/or weights will not be allowed on car.
I. Competition shoulder harness is required and must consist of 2 shoulder and lap belts being at least three inches wide. No O.E.M. factory type shoulder belts or straps allowed. Metal to metal buckles are required on the shoulder harness and the lap belt. The harness must be bolted in at least four points below the sub-strap. Belts must be mounted to cage, solid factory mounts or to solid frame. The harness must be no older than three(3) years.
J. Full sized window net is required.
K. Drive shaft loop is mandatory.
L. Drive shaft must be painted white.
M. Quick connect steering wheel allowed.
N. Stock replacement solid engine mounts recommended.

MIRRORS AND RADIOS:

A. No mirrors, cell phones, radios or any other electronic devices of any kind are allowed at any time.

BRAKES:

A.Stock type brakes only.
B. All cars must have working brakes on all wheels at all times.
C. Proportioning valve may not be removed or altered.

ROLL CAGE:

A. Main cage must be a minimum of 1.5 inch O.D. .095 mild steel tubing or .062 chrome-moly tubing. Three door bars in left hand door excluding frame, a fourth door bar is strongly recommended. Door bars are to be connected vertically in three places. A minimum of 1/8 inch steel plate must be welded from top door bar extending down to at least the bottom door bar, extending the length of the drivers compartment. Any rollcage determined by the Pure Stock Tech Commitee to be unsafe may be disqualified.

B. Cage must be mounted to the frame in at least six places, which includes two mounts towards the rear of the car. If side rails are used, they must be flush with body and mounted solid to the roll cage. Arc welding only.

C. Cage must consist of top hoop over driver’s head.

D. All tubing welds must be full radius welds.

BODIES:

A. All bodies must have complete factory production stock steel body.

B. Body and doors must match frame.

C. Firewall and floorboards must remain stock and in stock location. No cutting of floorboards and no boxing in of driver’s compartment.

D. Anything you can unbolt, you may remove.

E. Inner part of doors may be removed

F. All doors must be securely fastened.

G. Stock radiator support, and in stock location.

H. No aluminum radiators.

I. Stock steering columns. Shifter must remain in stock position. You may use push button type ignition.

J. Numbers must be of contrasting colors and easily seen by lap counters.

K. Wheel wells may be trimmed but must remain stock appearing.

CHASSIS AND WHEEL BASE:

A. Any GM or Ford made full framed car with minimum wheel base of 108 inches. One inch tolerance allowed.

B. No four wheel drives or front wheel drives allowed.

C. Must use stock type bumpers with no sharp edges. Bumper must remain in stock location.

D. Stock bumper mounts can be welded.

E. Two chains per bumper to be mounted solid to the frame.

F. Stock rear bumper mounts need not be used.

SUSPENSION FRONT AND REAR:

A. All front and rear suspension must remain stock for year make and model.

B. Sway bar must be connected. Shims must be the same height on both sides.

C. Upper A frame bolts may not exceed stock length.

D. Stock type shocks only. No racing shocks.

E. No racing springs. Stock type only. Must remain in stock position. No altering of springs.

F. Stock replacement springs allowed.

G. Coil springs must be within ½ inch from one side to the other (free standing height). Coil springs must be the same diameter and have the same amount of wraps from side to side.

H. Leaf spring must have an arch not varying more than one inch from side to side. Left and right side must have same amount of leafs. All leafs must be the same width and thickness.

I. No helper springs.

J. No posi or locked rear ends allowed.

K. Stock suspension for year make and model.

L. Stock automatic transmissions only. Tranny must be able to bolt to motor without alterations.

M. You may fabricate a tranny mount, but must use stock cross member.

N. Torque converter must match transmission. No powerglide transmissions.

O. No concealing of suspension parts.

TIRES AND WHEELS:

A. Stock steel production wheels only. May be reinforced.

B. Tires 70 and 75 series only. No racing tires. Hoosier street tire allowed.

C. No snow tires, M & S tires only.

D. One inch lug nuts highly recomended

EXHAUST SYSTEM:

A. Stock exhaust manifolds only.

B. Exhaust system must be mounted in a way as to direct spent gasses away from the cockpit area of the vehicle and away from areas of possible fuel spillage.

C. Heat risers and doors may be removed.

D. No center exhaust dump manifolds.

ENGINES:

A. 305 or 307 GM or 302 Ford only!

B. No fuel injectors. No turbo.

C. Aftermarket gaskets allowed.

D. Carburetors- must be Quadrajet(GM) or Motorcraft(Ford). Any stock OEM two barrel. Two barrel on two barrel intake. Four barrel on four barrel intake. No adapters.

E. Only choke mechanisms may be removed from the carburetor.

F. No racing fuel or additives. (92 octane max.)

G. Lift may not exceed 420.

H. No HP stamped motors (HP=228.305)

I. Stock or stock replacement cast, dished pistons only.

J. No angle milling or performance enhanced work on heads or block.

K. No Vortex heads.

L. No grinding of any castings.

M. Crankshafts may be cleaned up to .010 under, main and rods. One time only.

N. No valve spring shims.

O. Head number allowed: 305 see attached list, 302-(D80E, D70E, D50E). Heads must C.I.D.

P. Valves must be stock dimension..

Q. No interchanging of rocker arms or ratios.

R. No over bore.

S. No offset key in crank.

T. No double roller timing chains.

U. No screw in studs. No pinning of studs.

V. No degreeing of cams. No roller cams.

W. No balancing of motors allowed.

X. Intake manifold must match CID of motor.

Y. Stock distributor only (stock working order)Vacuum advance may disconnected but not removed..

Z. No propane or marine intakes.

AA. Must use stock oil pans and valve covers. Valve covers may be altered to accept one breather. All holes in valve cover may be plugged.

BB. Aftermarket air filters allowed.

CC. Thermostat may be removed.

DD. Alternator may be removed.

EE. EGR valve may be removed, and holes plugged.

 

GRAND RAPIDS SPEEDWAY PURESTOCK TEARDOWN PROCEDURES

RACE CARS SUBJECT TO BEING PROTESTED

Any car competing in the in the feature event, which; has a driver who executes a protest with the Tech Committee prior to the start of the feature and has tendered the required protest fee in cash.

PROTEST FEES

$50.00 for the top end or $100.00 for both top and bottom end.

$50.00 for the suspension or driveline. Three items only.

The upper end tear down includes, but is not limited to, the removal of the carburetor, spacer plates or adapters, valve covers, intake manifold, exhaust manifold, valve train components and heads.

The lower end tear down includes, but is not limited to, removal of oil pan, crankshaft, rods and pistons.

The suspension and drive train includes, but is not limited to three (3) items in this category: transmission, drive shaft, springs (front and rear), rear end and all suspension parts and components.

DISPOSITION OF PROTEST FEES

If, after the teardown, the engine or race car is found to be legal, 100% of the protest fee will be paid to the protested driver. If, after the teardown , the engine or race car is found to be illegal, 100% of the protest fee will be returned to the protesting driver. Should the protested driver's car be found illegal, the protesting driver will receive the monies earned by the protested driver for that evening.

PROTEST PROCEDURE

After the feature race, a track official will notify the driver of the relevant racecar that his or her racecar has been protested. The protested driver shall then proceed directly to the designated area for inspection and teardown pursuant to the protest. Tech Committee and the allowed representatives will then proceed, in accordance with the class protest, to teardown the engine or suspension of the protested racecar.

SPECIAL PROVISION RELATED TO PROTESTS

A driver may only protest one car per race. Only the tech committee has the final word on the legality of the racecars involved in the protest. The Grand Rapids Speedway tech committee reserves the right to inspect, teardown and enforce the Pure Stock rules at any time prior, during or after the race program and retain the right to enforce all the rules and penalities herein written. No person shall prevent or interfere with the protest procedure.

PENALTIES AND SANCTIONS RELATED TO PROTEST

If any engines, suspension or drivetrain parts are found to be illegal whether discovered through a post race inspection or teardown as result of a protest or in connection with inspection by the Tech Committee shall be fined up to $200.00 and/or suspension up to 30 days, loss of all points to date, and forfeiture of all money and awards earned for that event.

CONFISCATION OF ILLEGAL PARTS

Grand Rapids Speedway and the Tech Committee confiscate any illegal parts. Confiscated parts become property of Grand Rapids Speedway and may be disposed of at its discretion.

WITHDRAWAL OF PROTEST

If a driver declares an intent to protest, tenders the required fees, and then the driver changes his or her mind and withdraws from the protest, then the driver forfeits all money and awards for the event and shall lose all points earned to date.

REFUSAL OF PROTEST

A driver who refuses to allow an inspection or teardown persuant to a protest, shall be subject to the penalties listed in the penalties and sanctions listed above.

PRESENTS AT TEARDOWNS

Protested driver, or one person selected by the protested driver must be present. Pit crew, tech committee members, protesting drivers, track officials and security are allowed.

ALL DECISIONS REMAIN FINAL!

GM 305 CYLINDER HEAD NUMBERS ALLOWED

10065205, 10065207, 10159551, 10159553, 12509859, 14010201, 14014415, 14014416, 14014440, 14020555, 14022301, 14022601, 14022801, 14039122, 14039121, 14101081, 10102187, 14102191, 354434, 358741, 376450