This division is intended to be an entry level division for the introduction of automotive competition at Hesston Speedway. Therefore, changes to the original auto will be at a minimum in order to control costs and keep the division competitive. Any modifications to the body, chassis, or engine for performance purposes will be considered a rule violation.

The following rules set forth below should be used as a guideline for the construction of a safe and competitive race car.

CAR:

GENERAL

A. This division is open to any North American made passenger car from 1965 through

the present, the make and model must be to factory specifications and dimensions.

B. Must be Rear wheel drive only

C. No Jeeps, 4 wheel drives, front wheel drives, station wagons, compacts, convertibles,

sports cars, sun roofs, T-tops or trucks.

D. Wheel base must be in accordance with factory specifications, right and left, for that

make of car. No cars with less than 108" wheelbase will be permitted.

E. Car and body must match. No interchanging of body or chassis.

F. Cars must remain stock except for the modifications listed below.

EXTERIOR:

A. All glass, lights, lenses, chrome strips and grill must be removed. No mirrors in car at all or any reflective devices. No radios.

B. Body must be steel. No flat sheet metal. Must be OEM. No hood scoops or air induction systems. Full fenders only. Fender wells must remain stock in rear, no gutting of body parts other than hood and trunk.

C. No roof raking

D. Doors must be welded, bolted or chained.

E. No spoilers are permitted.

F. Carburetor and air cleaner must remain under the hood. No holes in hood.

G. No bracing outside of the body is permitted.

H. Bumper must be welded to prevent loss. No other bracing or reinforcement of

bumper is permitted.

I. No bumper loops.

J. Each car must have a tow hook in front and rear securely mounted to support the weight of the car and be visible from outside of body.

K. Plastic nose and tail pieces are legal, but must cover OEM bumper and must match

manufacture and model of car.

L. Each car must have sufficient screening replacing the windshield (with minimum of

3 3/8 steel vertical support bars behind the screen).

M. Cars may not use any plastic or metal on bottom of car.( MUST BE stock rocker panels)

APPEARANCE:

N. Inspectors reserve the right to request body or sheet metal to be replaced and painted if it has any sharp edges or is not looking presentable to the sport.

O. Acceptable appearance of a car is up to the discretion of the officials. A car can be refused the right to race due to its appearance.

P. Cars must be painted and numbered in legible, highly visible and acceptable manner.

Q. Each number must be at least eighteen inches(18") high and two (2) inches wide. Any letter must be 9" high. All number and letters must be a contrasting color with the car

color.

R. Duplicate numbers will be modified. The car number will go with the first car registered for the season with that number.

S. Car number must be in upper right hand corner of windshield area and left rear tail light area in 4" numbers for the track line up purpose.

INTERIOR:

T. Car must be gutted of all burnable material in the interior.

U. No metal panels may be cut except for fuel cell mounting and roll cage installation.

V. Complete original fire wall in stock location and must completely enclosed. NO open holes. Complete factory floor pans from front fire wall to rear wall. No wind tunnel or other aerodynamic fins or louvers permitted. NO boxing in.

W. Trunk floor should be removed and left open.

X. Rear fire wall must be in stock location and all holes covered in steel.

Y. Steering column must remain in stock location right to left, front to back. Quick release hub mandatory. NO steering quickeners of any kind.

Z. Pedals must be in stock location. No extending the pedal rearward.

AA. Driver’s seat Must be in stock location.

WEIGHT:

A. Cars must weight a minimum of 3400 lbs. The number of cars to be weighed will vary from week to week and you will be notified by the scale master as you exit the track as to how many cars must weigh that night. The officials reserve the right to spot check car weights after any of all of the heat and feature events.

B. All ballast must be securely mounted and painted white with car number on it and mounted within the confines of the body below window line and must be mounted with 2 ½ “ inch bolts.

C. Track scales will be considered official.

FRAME:

A. NO altering of frames. NO under X bracing. Frame must remain stock.

B. Frames must be intact and not rusted out.

C. No Fabricating of Frames EXCEPT Uni-body cars and repairs to a Frame from the rear housing back. (See Letter E below)

D. If the car is manufactured without a full frame, front and rear frame sections must be tied together.

E. On Uni-bodied cars ONLY, a homemade frame may be constructed using steel rectangular tubing only with a minimum specification of 2"x3" .120 wall thickness. The 3" dimension must be in a vertical position. If using this option, it must start at rear of front stock OEM sub-frame and continue all the way back to the front of the OEM rear sub-frame. Springs and locating bars for rear will be measured and compared to stock specifications for legality. The proper construction of this frame option on welds, cross members, roll cage and brace tie-ins will be up to the discretion of the officials.

SUSPENSION:

A. Absolutely no changes to suspension will be permitted. All suspension, shocks, and components must match car.

B. No adjustable weight jacks, spring spacers or spring inserts of any kind.

C. No modifications are permitted.

D. No welding of suspension parts of any kind. If you need to weld a washer for worn holes they Must be measured and approved by tech inspector. If they are not approved they are not legal.

 

 

SHOCKS/SPRINGS:

A. Stock appearing shocks permitted. No Heim ends.

B. Front left and right springs must match wire size. Left rear and right rear springs must match wire size.

REAR-END:

A. Must be OEM for that make and model of car.

B. Must be locked or factory limited slip.

C. Drive line hoops are required and drive shafts must be painted white and must be steel. Drive shaft hoops should be 2"x1/4" 360 degrees and no more than 6" behind the front U-joint.

BRAKES:

A. Operable and effective four-wheel hydraulic brakes mandatory at all times. No three-wheel, right side shut off set-ups or limiting valves are allowed.

B. All brake components must be stock OEM and match make and model of car.

C. No drilling or lighting of rotors or any brake components permitted.

D. No rear disc brake set-up allowed.

WHEELS:

A. Steel wheels only. Spoke or economy racing wheels permitted.

B. Maximum diameter of wheels is 15". Maximum width of wheels is 8". 3". Offset is mandatory.

C. All wheels must be same diameter front to back and right to left.

D. No spacer plates allowed, no wheel adapters allowed.

E. Must have oversized lug nuts and studs ½ “ studs minimum.

F. NO bead locks.

TIRES:

A. American Racer 84 and 86 Also Hoosier 26.5 and 27.5 racing tire permitted                                                        (Updated 3/28/07)

B. Hard compound tires only

C. No bleeder valves

D. NO GROOVING, SIPPING, or ANY CHEMICALS used to change the COMPOUND of tires ALLOWED

ENGINES:

GENERAL:

A. No modifications to engine permitted.

B. Must have a working starter.

C. High performance parts are not permitted.

D. Replacement of internal engine parts will be permitted BUT must be stock appearing and match all OEM dimensions.

E. No removal of casting numbers or any alterations to numbers allowed.

F. Maximum over bore is .040

G. No 400 engines. Maximum cubic inch is 350 Chevy, 351 Ford, 360 Chrysler.

H. No racing oil pans.

I. No solid motor mounts permitted. Only stock rubber mounts allowed.

J. Must be in original location.

K. All engines must have two (2) head bolts on each side, two(2) intake bolts and two (2) timing chain cover bolts drilled for seals after engine is pumped and inspected.

 

CARBURETOR:

A. No modifications permitted to carburetor. Must be completely stock.

B. Stock 2 barrel Rodchester carburetor with 1 3/8 “ maximum venture. Must 1 3/8" from factory.

C. NO Holey Carburetors Allowed.

D. Minimum of 2 throttle return springs.

E. Must have stock style fuel pump in stock location. NO electric fuel pumps.

F. Carburetor adaptor or spacer may be no more than 1"thick.

G. Carburetor should have two (2) bolts drilled for seal after it is inspected.

FUEL:

A. Gasoline only. NO ALCOHOL OR OTHER FUEL ADDITIVES.

INTAKE:

A. Must be stock. OEM cast iron of 2 or 4 barrel design with no porting, polishing, machining, welding, or acid etching.

B. NO bowtie intakes.

HEADS:

A. No porting, polishing, welding, acid etching, or gasket matching allowed. No angle milling.

B. No vortec or other high performance heads.

C. 1.94" maximum intake valve and 1.5" maximum exhaust valve.

D. All heads must be OEM cast iron with NO modifications and must have casting number on head.

E. Must have press in studs and stock rocker arms.

F. MAXIMUM COMPRESSION RATIO WILL BE 10.5:1 AND WILL BE CHECKED.

CAM:

A. Stock hydraulic cam shaft with a maximum of .420 valve lift.

B. No roller or mushrooms lifters allowed. No roller rockers of any type.

C. Lifters must retain OEM diameters for that block.

CRANK AND RODS:

A. Stock crankshaft and rods mandatory.

B. Crankshaft must maintain stock stroke as manufactured for the block used.

C. No stroker motors allowed.

PISTONS:

A. NO dome pistons.

B. Pistons may not be above deck.

IGNITION:

A. Stock OEM distributors and coils only. No trigger ignition systems allowed. NO Mallory. NO Accel or MSD. On HEI Ignition, coils must remain in distributor with stock ignition module. On point type distributors, coils must be stock. With any system used, only one coil will be allowed on car.

B. Only one ignition box allowed on the car.

EXHAUST:

A. Stock cast iron manifolds only.

B. All exhaust must exit outside the car and behind driver seat and be parallel to ground.

C. No through the car exhaust. All exhaust must be out of the cars interior.

D. Mufflers are mandatory.

 

CLUTCH:

A. 360 degree blow-proof bell housing is highly recommended.

B. No dog type or triple disc clutches are permitted.

C. No aluminum or exotic metals in clutch or flywheel.

D. Stock OEM Style single clutch disc mounted in stock location, stock flywheel diameter. NO drilling or machining for lighting purpose allowed.

E. All bell housings must have 1" hole drilled at bottom of bell housing for inspections of flywheel and clutch.

TRANSMISSION:

A. Stock type OEM transmission with all working gears including reverse: 3 or 4 speed only.

B. NO FIVE SPEEDS

C. Automatic transmissions MUST HAVE WORKING STOCK TORQUE CONVERTER. TRANSMISSION MUST HAVE SHIFT THROUGH ALL GEARS STARTING OUT IN DRIVE AND WILL BE CHECKED!

D. No two(2) speed or power glide transmissions allowed.

SAFETY:

A. Battery must be securely mounted outside of driver’s compartment.

B. Collapsible steering shaft highly recommended.

C. All cars must be equipped with an Aluminum racing seat of high back type only. Seat should be securely fastened (bolted or welded)to the roll cage and/or frame in six (6) spots, with a minimum of six (6) 3/8 bolts. Four(4) on the bottom and two (2) on the seat back. “NO FLOORBOARD INSTALLATIONS” Seats must be positioned completely to the left of the center line of the car on the driver’s side. A functional padded headrest should be in line with center of driver’s head if not built into seat. NO SET BACK SEATS. NO FIBERGLASS SEATS.

D. Driver’s seat must be securely mounted in its original position.

E. Racing style 5 point seat belts must be used and correctly mounted. Belts may not be more than three (3) years old. DO NOT mount belts to floor boards.

F. Flame resistant racing suit one (1) or two (2) piece and flame resistant gloves are mandatory. Flame retardant underwear, hood, neck collar (brace) and shoes are highly recommended.

G. MUST have full face shield racing helmet Snell 95 or newer.

H. Window nets are required on driver’s side.

I. Each car must have a fire extinguisher with working pressure gauge securely mounted within reach of the driver.

ROLL CAGE:

A. 1 3/4" O.D. Seamless tubing with a minimum of .095 wall thickness is highly recommended.

B. Must be at least four (4) post design with a minimum of four(4) door bars on driver’s side and three(3) on passengers side with at least two (2) vertical bars between each door bar. Door bars must arch outward to door skin.

C. The cage should be “X” braced behind the driver.

D. Roll cage must extend above the driver’s head with a minimum of two (2) inch clearance above helmeted head.

E. Should have a minimum of one cross bar in top halo of roll cage.

F. The roll cage must be securely welded to the frame and gusseting to the frame is highly recommended.

G. It is highly recommended that the driver side door bars be plated with 1/8" aluminum or 1/16" steel plate from top door bar to bottom of frame.

H. Front and rear hoops are highly recommended but must remain behind body.

I. Cars must contain shock resistant roll bar padding on all bars within 18" of driver’s body (extended arms, legs, head etc.)

J. No screw-type pipe fittings are permitted.

FUEL BLADDERS AND CONTAINERS:

A. An approved cell 22 gallon maximum, securely mounted in the trunk of car.

B. Square tubing is permitted in the rear section of the frame for the fuel cell to be mounted.

C. Cars must have an approved fuel bladder and container that is at least 18 gauge steel or thicker for the container, with minimum of two(2) hold down straps at least 1/8" thick and a minimum of 1" wide, that are installed parallel to the rear frame rails. Must be located in the trunk area between frame rails and behind rear end.

D. Container supports must be mounted to the frame rails in a secure manner. Any fuel bladder and container extending below the frame should be properly protected by both bars and bracing.

E. No fuel lines inside the car unless they are enclosed in a metal pipe for the entire length of the line that runs through the car.

F. Bottom of fuel cell must be at least 12" from track. Fuel cell vent line should have a one way in line check valve to prevent fuel spillage.

 

IF IT’S NOT COVERED IN THESE RULES, PLEASE CHECK THE GENERAL RULES OR WITH TECH INSPECTOR FOR HESSTON SPEEDWAY.