AMENDMENTS TO THE RULES FOR 2009 HAVE BEEN UNDERLINED

WE ACCEPT ALL 2009 IMCA RULES

ROLL CAGE -
Must use .095 -inch tubing, at least 1.75-inch diameter for main cage and door bars. No offset cages. Four-post roll cage must be used, front and rear hoop welded to the OEM frame. Rear hoop must have "X" brace, consisting of one horizontal and one diagonal bar, 1.25-inch O.D.
and .083-inch wall thickness. Front down-bars must be tied together. Must be minimum of 40 inches between front and rear down bars at top of door panel. No more than 41 inches from top center of windshield to front edge of rear hoop; no more than 13 inches to front edge
of front hoop and top halo must be no less than 40 inches across, outside to outside. Must have minimum of one cross bar in top of halo. Required rear kickers and engine hoop must be minimum 1.25-inch tubing, with .083-inch wall thickness.
Three horizontal door bars on both sides are mandatory. Minimum of four uprights tied from frame to top door bar on driver side, three on passenger side. May have two bars for protection in front of radiator, behind bumper, within confines of body, no wider than stock frame horns.
May tie front horns together. All bars, front and rear, must be inside body. Steel doorplates, 18-gauge or .049-inch minimum thickness metal, must be securely welded to outside of door bars on driver's side. Plate must cover the area from the top door bar to the rocker panel and from the rear down post to five inches in front of the seat. Must be visible for inspection. Absolutely no square tubing or galvanized pipe allowed. Fuel cell protection bar may be used, mounted frame rail to frame rail, no higher than the fuel cell and inside the trunk area. Maximum 1.75-inch pipe.
SAFETY-
Five point safety belts, sub belt and shoulder harness required. No Y type shoulder harness allowed. Belts must be mounted to cage. SFI approved full fire suit, fire retardant neck brace and fire retardant gloves required, racing shoes recommended. Hans or Hutchins device allowed with out neck brace. Helmets are required and must be Snell SA95 or SA2000. Helmet must be worn at all times car is on the track and must accompany vehicle at time of inspection. Roll bar padding is required in driver compartment. Fire retardant padding recommended. Full size (minimum 16-inch x 20-inch) window net required (no string-type nets). Window net to be mounted so latch is at top front of driver side window. Kill switch required within easy reach of driver and must be clearly marked "OFF" and "ON". 360-degree drive shaft loop is required and must be constructed of at least quarter-inch by two-inch steel, or one-inch tubing, and should be mounted six inches back from front U-joint. All cars must have a high-back aluminum-racing seat fastened to roll cage with minimum 3/8 inch bolts, Driver's shoulders can be no further back than the front of the window post ('B' pillar).
ELECTRONICS -
 No transmitting or listening devices allowed in car. No electronic monitoring computer devices capable of storing or transmitting information except tach allowed on cars. No digital gauges allowed on car. No ignition control boxes allowed, OEM ignition only.
No electronic traction control devices allowed. No alternators allowed.
FUEL -
 Pump Gas or 10% Ethanol blend fuel only. Racing fuel cell required no boat or stock automotive fuel tanks. Must be securely fastened, (above level of stock trunk floor), by at least two 1/8-inch thick by 2"wide solid steel straps, around entire cell. Metal firewall must be between driver and fuel cell.
All cell mounts must be steel, attached to frame/cage. No adjustable fuel cell mounts. Fuel cell must be in a steel container Max 18 gauge. Fuel cell vents, including cap vent, must have check valves. Fuel lines through driver compartment must run through metal pipe or metal conduit.

No fuel filters in driver's compartment. No fuel pressure regulators or fuel return lines on the car. Stock appearing fuel pump only. May run factory fuel pump with factory return line at the pump. Fuel fill flapper valve required on certain fuel cells call for details.  (2010-22gallon Max fuel cell)
BATTERY -
 One 12-volt battery only securely mounted to frame or roll cage in a metal frame behind the seat or in trunk area. Max 18 gauge Battery Box. Battery posts must be covered.   No Voltage step up devices.
TIRES & WHEELS -
 Stock (OE) 205/75, or 205/70, 14-inch, or 15-inch passenger tires only. All four tires and wheels on car must be same size. Tires must be inside body. (2010-3 or 4inch offset wheels only)
No mud, racing or fancy, exotic, trick gumball tires allowed. No softening, conditioning, sipping or grooving allowed.
Must be D.O.T. stamped wheels with standard bead bump - must weigh a minimum of 21 pounds.
No racing wheels or mag wheels allowed. Spoke steel wheels allowed. Maximum seven-inch wide steel wheel. Reinforcing of stock wheels recommended. One inch steel lug nuts required. No wheel spacers allowed.

As we have no weight limit for the cars that race at our speedway it shall be a judgment call on behalf of the tech officials if you have over done areas of you car in order to gain rear percentage. IE : solid bar tubing in rear of car, heavy material bumper braces, heavier than needed replacement rear frame rails, etc.  If we deem necessary we will require you to add weight in the engine compartment to offset the conditions found. All replacement frame tubing will have 1/2'" holes drilled every 6"for inspection purposes.
FRAME -
Frame must match body. 109-inch wheelbase minimum for unibody cars, 107.5-inch minimum for full frame cars - no more than one inch difference from side to side. Frames may be "X" braced. Rear of frame behind rear tires, from a point no further forward than one inch behind the factory seam, may be replaced in stock location with two-inch by three-inch steel tubing with .095-inch wall thickness. All replaced rails must have inspection holes in the tubing. Factory seam must remain visible. Must replace the same length material removed.
Unibodies must be tied - rear frame to front frame. No station wagons, convertibles, front-wheel drive, four-wheel drive or rear engines. Bumpers must be in stock location.
Front and rear bumpers must be capped to fender the width of the bumper. No reinforcement of bumpers. Bumper may use 1 3/4" x .095 wall round or square tubing to mount bumper to car. 
This along with good fender caps and safety cables will keep bumper on the car with out adding extra weight.
All Bumpers must run 2 safety cables from bumper to frame. Bumper caps must be made of 18 gauge metal with 1/4 inch bolts, (No Rivets.) Inner bumper brace must have inspection holes drilled in them.
SUSPENSION & STEERING -
Must be original type suspension and steering and match the frame. No rear independent suspension allowed. Trunk floor above rear-end must be removed rest of floor must be in car. Upper rear-end mounts must be same height (level) l. Steel springs only. No add-on quick steer boxes. No remote reservoirs on power steering pumps. All shocks must be steel non adjustable with OEM mounts.  All shocks must mount in the stock location (top and Bottom). Driver cannot claim shocks and engine in the same event. No spacers, lumber, chains or cables allowed.

BRAKES -
Master cylinder must be in stock location. Approved OEM brakes on all four wheels must work. No OEM Antilock Brake Systems. No rear wheel disc brakes. All drums and rotors may not be machined or worn past the factory minimum thickness or maximum diameter.
No after market brake pedal assemblies allowed. No brake shut-off or bias allowed. No Brake pressure valves of any kind on the car. Rear Brake system must match rear-end housing manufacture. I.E ford housing ford brakes.
BODY -
1960 or newer American made stock passenger automobile with factory steel top. No Camaros, Firebirds or Mustangs. Sunroofs and T-tops must be reinforced and enclosed. All bodies must be approved OEM (and be mounted as factory) IE Doors must meet the rocker panels
 Roof must have factory rack.  After market plastic nosepieces allowed. No aftermarket tailpieces, spoilers, wings, skirts (If skirts are necessary than no lower than stock frame rails), air scoops or anything that alters the stock appearance. No aluminum hoods.
Hood must be separate from fenders - no one-piece or tilt front ends. No gutting of hoods or trunks. No cutting out kick panels. All hoods and trunks must be securely fastened and the back of hood must be sealed off from driver's compartment with metal. Steel rub rails no bigger than one inch by two inches may be attached to body from fender well to fender well, flush with body May also use the Lexan rub rails. Maximum seven-inch metal sun visor (measured anywhere) may be added to top of windshield opening only.  All sharp edges, torn fenders and body panels to be repaired prior to next race.
 Must have a minimum of three windshield bars in front of driver. No ballast allowed. All glass, plastic, upholstery, rear seat, lights, mirrors, and chrome removed. Dash is not to extend more than 24 inches back from center of lower windshield opening. Dash must be flat except for cowl in front of driver.
 No other interior tin or covers. All doors must be secured shut (welded, chained, bolted, no rivets) the front inner wheel wells may be removed, but not the rear wheel wells.  Must have bumper caps as wide as bumper and must be bolted or welded to body and bumper, minimum 18-gauge metal, aluminum or steel, no sharp edges. All window openings to remain open. If you have a home made nosepiece it must go straight up and down and must be bolted behind bumper.
DRIVE TRAIN -
Unaltered OEM, Manual Transmission, with all forward and reverse gears operational. (I.E. 4 speed transmissions must have 4 forward and 1 reverse gears). Or an OEM automatic transmission, with original bell housing and functional torque converter containing a minimum of three quarts of fluid, or approved OEM (10.5" or larger) single organic disc-type clutch, solid center organic clutch disc OK  inside an explosion-proof steel bell housing on manual transmission only. No button clutches.
All bell housings must have a 2 x 3 inch removable inspection hole directly below the clutch and flywheel for inspection purposes or bell housing may need to be removed for inspection. No aluminum or lightened flywheels. Manual transmission Flywheels must weigh at least 16 lbs. Automatic must have an approved scatter shield (may be constructed of quarter-inch by three-inch steel, 270 degrees around flex plate or flywheel. Torque converter must have a minimum 1/8-inch plug. No truck rear ends allowed. Steel axles only. Nine-inch Ford rear end allowed, but must be mounted like stock rear end for that make and model. Minimum 2.5-inch diameter steel drive shaft must be painted white. Drive shaft centered in car tunnel. Rear end may be welded or mini spool, no full spools. No Light Weight Ring Gears. No floater rear ends. Rear suspension must match frame. No electronic or mechanical traction control devices allowed

NUMBERS -
All cars must be numbered with large, legible numbers on sides, top and rear panel. Numbers must be in contrasting color from body, in all light conditions. Numbers on side of car must be located on front door panel and be at least 4 inches thick and 20 inches high.
 Letters behind numbers must be at least 15 inches high. Numbers on top must be at least 4 inches thick and 30 inches high. If your numbers do not meet these requirements you will be given 1 week to have it fixed prior to racing again.
 ENGINE, CARBURETOR & IGNITION

A. Engine Block- OEM cast iron only, all modifications to factory service specs only. OEM bore and stroke combinations only, Lifter bores may not be altered.  Maximum 361ci (GM), 363ci (Ford), 368ci (Chrysler). Due to the many possible combinations of bore and stroke you may be asked to remove a head at the track for measurement. Gaskets will be at your expense. Subject to fine and loss of track points if found illegal.

C. Harmonic Balancer- Must be of OEM design with rubber mounted dampener ring (SFI rated recommended)

L. Fuel Pump- OEM style diaphragm pumps only. No fuel pressure regulators or electric pumps allowed. (Must be 1.75"to centerline of pump in front of the cross member)

M. Ignition System- OEM Stock appearing (all components) Distributors only. Must run stock firing order.

 ENGINES ARE RESTRICTED TO NINE TO ONE COMPRESSION IN ONE OF THE TWO FOLLOWING METHODS-

TECH QUESTIONS - E-MAIL TIM WEILAND

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