Rule Book




	Under Contruction about 50% complete

	Preface to the rules CompCar of NC Specification Rules Chassis Frame Height Suspension Track Width Wheel Base Offset Brakes Steering Engine Carburetor Air Cleaner Engine Exhaust System Engine Cooling System Clutch Transmission Drive Shaft Engine Electrical System Fuel System Wheels & Tires Tire Exchange Rule PREFACE TO THE RULES (Please Read Very Carefully) The rules and/or regulations set forth herein this rule book are designed to provide for orderly conduct of racing events and to establish minimum acceptable requirements for such events. These rules shall govern the conditions of all Legacy Car events. It is ultimately the obligation of each participant to insure that their conduct and equipment comply with all applicable CompCar rules, as they may be amended from time to time. No express or implied warranty of safety shall result from publication of, or compliance with these rules and regulations. The rules in no way a guarantee by CompCar or any other person or entity against injury or death to participants, spectators, or others. If a driver should be seriously or fatally injured, CompCar of NC, Inc. reserves the right to impound the car for review and evaluations. No Pretense is made of having designed a fool proof set of rules and regulations. The spirit and intent of the rules contained within this rule book are going to be the standards by which Legacy Car racing will be guided. Event officials are authorized to decide if an equipment change is an attempt to beat the rules. They can and will disqualify an entry in violation of the spirit and intent of these rules. If there is a disagreement or dispute regarding the meaning or application of the Legacy Car rules, the interpretation and application of the officials at the track shall prevail. Appeals can be considered by the CompCar of NC appeals committee as provided for herein. A CompCar official or track representative shall have the right to initiate action correcting a hazardous condition or a condition not in compliance with the spirit and intent of these regulations. Any questions about the legality of a change, must be answered by a CompCar official in writing. The cars and engines are designed to remain in the original form in which they were purchased "NEW" from Allison Brothers Race Cars, Inc. CompCar reserves the right to impound any Legacy Car and remove any component on your Legacy Car (including the engine) at any time. Illegal components shall become the property of CompCar of NC, Inc. All competitors must remain in good standing with CompCar, Allison Brothers Race Cars, Inc., and the authorized Legacy Car distributors and dealers in order to be eligible for competition. CompCar of NC Official Sanctioning Body of the Allison Legacy Racing Series All car owners, drivers, crew members, and persons entering the pit area must be members of CompCar of NC, Inc. Competitors caught with non-CompCar members working on their cars will be penalized. All cars must be registered by serial number with CompCar of NC, Inc. SPECIFICATION RULES The term "stock" in this rule book refers to the specification of, form of, and materials of all pieces that make up the construction of a Legacy car as manufactured new by Allison Brothers Inc. and received from Allison Brothers Inc. by authorized distributors, dealers and retail customers. No parts will be permitted on any car that do not meet CompCar of NC specifications. No parts will be permitted on any car that are not acceptable to CompCar of NC Officials. CHASSIS ALL Legacy car frames must be purchased from Allison Brothers Race Cars Inc. All Legacy car frames must be identified by the serial number registered with CompCar of NC. This serial number is non-transferable and must not be tampered with in any way. Chassis can not be modified in any way and must remain stock. All materials must remain original as manufactured by Allison Brothers Race Cars Inc. Pick-Up Points--All pick-up points must remain in their original position as manufactured by Allison Brothers Race Cars Inc. Absolutely no modifications. Firewall--driver foot box must remain stock. Interior sheet metal may be changed in material but not appearance and can be no less that .040 aluminum. Bumpers--Front and rear bumpers must remain the stock material, wall thickness, dimensions and location as delivered from the factory. No reinforcements of any kind will be permitted. FRAME HEIGHT Bottom of main frame rails must maintain a minimum height of 4" from ground. SUSPENSION Rear End--Only the Speedway Engineering midget six spline quick change rear end with 4.11 ring gear and pinion is permitted. Aluminum spools only. No lockers, ratchets or true tracks permitted. Axles must remain stock. No alterations or lightening permitted in any form. The upper link bracket, rear end tubes, trailing arm, panhard bar bracket and shock mounts cannot be changed. no wheel spacers permitted on the rear end. The complete rear end assembly cannot be changed from stock specs in form or material including all rods connecting rear end to frame. The only other type of rod ends permitted other than stock will be steel or stainless steel heim joints. Front Suspension--Upper and lover control arms, steering arms, spindles and hubs must remain stock. No modifications or changes in form or materials including ball joints and all connecting tubes. The only other type of rod ends permitted other than stock will be steel or stainless steel heim joints. Wheel spacers--One steel, 1/4 inch thick, 6 1/2 inch outside diameter and 2 1/2 inch inside diameter is mandatory on each side. No other wheel spacers permitted. Shocks--Only non-adjustable stock steel SB-64 series Pro-Formance shocks will be permitted. One shock only permitted per wheel. The only adjustable device allowed on the shock is the spring adjusting nut. Springs--Only 1 7/8" inside diameter 10" long steel coil over springs permitted. The spring must be mounted in coil over form over the shock. TRACK WIDTH Total width outside to outside of either the front tires or the rear tires cannot exceed 60". WHEEL BASE 80"--Wheel base cannot exceed 80 1/16" on either side and can be no less than 79 3/4" on either side. OFFSET Rearend in car--The center of the rear end can be no more than 1/8" off of the centerline of the tail section either way (side to side). A-Frames--Lover control arms on front end cannot be more than 1/8" different in length from the center of the rod end to the center of the ball joint on the front leg of the control arm. BRAKES Master Cylinder--Only one single piston steel Ford type master cylinder must be used. The only modification allowed is removal of the residual pressure valve. Brake Lines--Only 3/16" diameter steel brake lines permitted, attached at master cylinder. A flexible hose not to exceed 20" in length must be attached to front calipers. A flexible hose not to exceed 20" in length is permitted at the rear brake line "T" fitting. A brake line proportioning valve is permitted. Calipers--Only the Outlaw model #1000/Allison Legacy - 1.75" piston - 3.75" mount caliper is permitted. Brake calipers must be mounted in the stock location. All brake caliper brackets must remain stock in material and form and in location. ALL BRAKES MUST REMAIN OPERATIONAL AT ALL TIMES!! Calipers may be shimmed for pad clearance. Brake Pads--All brake pads must be stock and must be approved by CompCar of NC. Front Brake Rotors--Front brake rotor must be solid steel and have a 9 3/4" outside diameter. Rotors can have a maximum thickness of 3/8" and a minimum thickness of 0.0300". Brake rotors cannot be modified in any form including drilling, cutting, grooving or grinding. Rear Brake Rotors--Rear brake rotors must be solid steel and remain stock. Rotors must have a 10 1/2" outside diameter and 6 1/4" inside diameter. The outer surface of the brake hat must have a 6 5/8" outside diameter and a 2 5/8" inside diameter. Rotors can have a maximum thickness of 3/8" and a minimum thickness of 0.300". The distance from the outer surface of the brake hat to the center of the rotor must be 2 1/2". Rear brake rotor assembly cannot be modified in any form including drilling, cutting, grooving, or grinding. Brake Duct--Only one brake duct hose allowed per each wheel, all duct hoses must be securely fastened in place on both ends. No manufactured, fabricated or any type of ducts allowed on opposite end of any hose from inlet. Duct hoses cannot exceed 3" in diameter. STEERING Steering Box--The Allison Legacy rack & pinion spec steering box is the only steering box permitted. The steering rack must remain stock and in the stock location. Tie Rods and Rod Ends--Tie rods cannot be changed in material or mounting form. The only other type of tie rod ends permitted other than stock will be steel or stainless steel heim joints. Steering Shaft--Steering shaft must remain stock between rack and firewall. Steering shaft may be raised, lowered, shortened or lengthened from firewall back, but not changed in material. Quick Coupler & Steering Wheel--Steering coupler and wheel must be approved by CompCar of NC, Inc. ENGINE All engine parts and accessories, internal and external, must remain stock and in stock location. The only engine permitted for any CompCar of NC / Allison Legacy event, including practice, qualifying, and races is the stock Mazda B2200, 2.2 liter, piston, overhead cam engine. The engine must have the fully visible engine serial number. The engine serial number must be registered with CompCar of NC or Allison Brothers Race Cars, Inc. before any event. The engine and engine parts must remain sealed in the CompCar of NC designated seal areas in the stock manner with stock seals. Engine seals cannot be altered or tampered with in any way. ANY VIOLATION OF ANY ENGINE RULE WILL RESULT IN: THE COMPLETE ENGINE WILL BE CONFISCATED and BECOME THE PROPERTY OF CompCar of NC A MINIMUM OF $1,000 FINE WILL BE ISSUED TO THE CAR OWNER AND DRIVER THE DRIVER MAY BE SUSPENDED OR A LOSS OF PRIOR EARNED POINTS MAY APPLY Absolutely no parts on the engine including the clutch, flywheel, pressure plate and transmission assembly can be replaced with any after market racing type (fabricated, custom, or otherwise) parts at any time. Engine mounts must remain stock. CARBURETOR Only the Weber 32 36 16 5L DGV5A carburetor is permitted. The carburetor, all parts of the carburetor, and the adapter plate must remain stock and in the stock location. The air jets and main fuel jets may be changed, but must be stock jets. No other changes or modifications are permitted on the carburetor. CompCar of NC reserves the right to require any competitor to change their adapter plate at any time. AIR CLEANER Only the Weber Part #9921 7331 air cleaner is permitted. The air cleaner base, element, and top must remain stock and must remain in stock location. Absolutely no ducts, hoses, or other devices directed to or attached to air cleaner will be permitted. ENGINE EXHAUST SYSTEM All parts of header and exhaust pipe must remain stock and in the stock location. Engine exhaust system may be painted, coated, or wrapped with a high temperature coating. A CompCar approved spec tailpipe extension is optional for competition in all regions except Allison Legacy West where it is mandatory. ENGINE COOLING SYSTEM All parts of the engine cooling system must remain stock and in the stock location. Only the designated Allison Legacy aluminum radiator is permitted. Radiator overflow hose is permitted. Radiator hold down must remain stock. A box type duct is permitted from the nose piece to the radiator. The duct can be no larger than the radiator its self where against the radiator and no wider than the outward bumper supports at nose piece. The only items that can be ducted through this box are the radiator, oil cooler (optional), or front brakes. Oil Cooler--(optional) An engine oil cooler is permitted, but must be approved by CompCar of NC, Inc. Fan--(optional) Only 1 twelve volt electric fan is permitted. Maximum 12" in diameter. The fan must be securely fastened to the radiator core. No other fans will be permitted on car. CLUTCH Clutch, pressure plate, and flywheel must remain stock and are considered parts of the engine. Clutch master cylinder, lines and slave cylinder must remain stock and in stock location. TRANSMISSION Only the stock Mazda B2200 5 speed transmission is permitted. The transmission and all parts of the transmission must remain stock and in the stock location. The only part in, on, or attached to the transmission that may be altered is the shift lever. All five forward gears & reverse must be operational at all times. DRIVE SHAFT Drive shaft must remain stock and in the stock location. Absolutely no aluminum drive shafts permitted. ENGINE ELECTRICAL SYSTEM All engine electrical components must remain stock, in the stock location, and must operate in stock manner at all times. ABSOLUTELY NO IGNITION OR ENGINE ELECTRICAL COMPONENT ENHANCING DEVICES ARE PERMITTED. FUEL SYSTEM Fuel Cell types--A Fuelsafe fuel cell with bladder and aluminum can or a Fuelsafe standard fuel cell is the only type of fuel cell permitted. These fuel cells are manufactured for the Allison Legacy car and no part of cell can be altered in any way. Fuel cell location and fastening items must remain stock. Fuel Line--Automotive or Aircraft grade fuel line no larger the 5/16" inside diameter must be used. Any canister type fuel filter can be used. No glass filters permitted. Pickup and return line between fuel cell and fuel pump must pass through steel fuel line tube, which must be in stock location. Fuel Type--Only automotive gasoline is allowed. Absolutely no additives of any kind can be added to gasoline at any time. Regular Unleaded 87 octane is recommended for best performance. ANY VIOLATION OF ANY FUEL RULE WILL RESULT IN A FINE AND OR SUSPENSION FOR THE CAR OWNER AND THE DRIVER. WHEELS & TIRES Wheels--Only 13" diameter by 7" wide double centered steel Broad Wheels with 3 1/2" offset and one standard valve stem are permitted. Wheels must remain stock and cannot be altered or tampered with in any way. Tires--Only Goodyear D2330-22.0 x 7 tires with the Allison Legacy logo molded in the tire may be approved for any CompCar of NC sanctioned Allison Legacy event including practice, qualifying and races. Once approved, all tires must meet the following specifications. Durometer Reading--All tires must meet the minimum durometer reading specified by CompCar of NC Officials on the official durometer used at the time of inspection. Tires may be inspected in any way and at any time by CompCar of NC Officials regardless of durometer reading. TIRES CANNOT BE SOAKED, CHEMICALIZED, TREATED, SOFTENED OR TAMPERED WITH IN ANY MANNER. TIRE EXCHANGE RULE A competitor may purchase 4 new tires & wheels at the track and exchange them for the 4 existing tires and wheels on any competitor's car.