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ENGINE RULES will be changing for 2018 and will be updated soon.

RULE BOOK DISCLAIMER


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/her opinions 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.

BATESVILLE MOTOR SPEEDWAY HOBBY STOCK BUILDING RULES - 2016


FIRE SUITS -- GLOVES & SHOES -- NECK BRACES -- WINDOW NETS OR ARM RESTRAINTS -- AND 5 POINT HARNESS WITH CROTCH BELT ARE MANDATORY.

ITEMS NOT ADDRESSED IN THE FOLLOWING MUST REMAIN STOCK AS PRODUCED BY ORIGINAL MANUFACTURER.

1. ANY YEAR MODEL AMERICAN MADE CAR OR TRUCK. NO FRONT WHEEL DRIVES ALLOWED. WHEELBASE MUST BE Front Wheel DriveS - NO TOLERANCE. NO SUBCOMPACT CARS. RACK AND PINION CARS MUST BE Front Wheel Drive PARTS ONLY. IF CHASSIS IS ALTERED OR STEERING PARTS ARE NOT STOCK AND IN STOCK LOCATION, THEN IT IS NOT LEGAL. ALL UNI-BODY CARS MUST BE TIED TOGETHER. MUST HAVE A COMPLETE STOCK FACTORY FLOOR PAN AND FIREWALL. TRUNK AREA MAY BE CUT NO FURTHER FORWARD THAN PINION OF REAR END. SEATS MUST BE IN STOCK LOCATION.

2. COMPLETE STOCK BODIES AND FRAME FOR THAT YEAR MODEL. STOCK FLOORBOARDS, REAR FENDER WELLS AND FIREWALLS MUST BE ENCLOSED BODY MUST LOOK Front Wheel Drive, MAY USE SHEET METAL OR ALUMINUM ON REAR QUARTERS, DOORS, FENDERS, HOODS AND TRUNK LIDS. NO PLASTIC OR SHEET METAL ON ROCKER PANELS OR FENDERS. NO SIDE SKIRTS OR PLASTIC OR SHEET METAL ON WINDOWS (EXCEPT SUNSCREEN (5 INCH) ON FRONT WINDOW). NO GROUND EFFECTS ON NOSE PIECES. BUMPERS MAY BE SQUARE TUBING AND MUST RUN INNER RUB RAIL ~ MINIMUM SIZE 1 INCH ROUND TUBING ON REAR BUMPER. BUMPER MUST NOT PROTRUDE MORE THAN 5 INCHES PAST THE CAR’S BODY. YOU MAY USE A WRAP-AROUND BUMPER. MUST HAVE TOW LOOPS FRONT AND REAR. SPOILERS MUST NOT EXCEED 6 INCHES. 2 BRACES ALLOWED, ONE AT EACH END AND CANNOT EXCEED 6” IN LENGTH. SPOILER MUST NOT BE WIDER THAN TRUNK LID. BACK OF BODY MUST BE ENCLOSED FENDER TO FENDER. REAR FENDER WELLS MAY BE CUT OUT FOR TIRE CLEARANCE AND MUST MAINTAIN INNER FENDER WELL THAT ATTACHES TO FLOOR PAN. Front Wheel Drive OEM FRAME FRONT TO REAR. NO ALTERATIONS ALLOWED. THIS INCLUDES ALL WELDED CROSS MEMBERS. HOOD AND TRUNK MUST BE PINNED DOWN. STOCK STEEL, ALUMINUM, SHEET METAL OR FIBERGLASS HOODS ARE ALLOWED. FACTORY TRUNK LID OR STOCK APPEARING AFTERMARKET TRUNK LID OF STEEL ONLY. FRONT FENDER WELLS MAY BE UNBOLTED AND REMOVED. FENDERS MAY BE TRIMMED FOR TIRE CLEARANCE.

3. ALL WEIGHT MUST BE ADDED IN THE FORM OF ROLL BARS OR SOLID WEIGHTS BOLTED SECURELY TO THE FRAME OF THE CAR OUTSIDE OF THE DRIVERS’ COMPARTMENT. ALL WEIGHTS MUST BE PAINTED WHITE WITH CAR NUMBER ON IT.

4. ALL DOORS MUST BE SECURED TO BODY. MUST HAVE STOCK APPEARING HOODS AND TRUNKS. ALL WINDOW OPENINGS MUST REMAIN FACTORY SIZE. MUST HAVE 4 - ” BARS IN FRONT OF DRIVER’S WINDOW. ALL CARS MUST HAVE FRONT DASH IN STOCK LOCATION. SHEET METAL ONLY. REAR FIREWALL MUST EXTEND FROM BOTTOM OR REAR WINDOW TO BOTTOM OF FLOOR PAN. HOLES IN FIREWALL MUST BE COVERED WITH METAL OR ALUMINUM. ENCLOSED INTERIORS OK. MAY REPLACE FACTORY DASH WITH ALUMINUM ~ NO WIDER THAN 12”. ONE-EIGHTHS INCH (1/8”) THICK DOORPLATE IS MANDATORY AND DOOR PLATE MUST GO FROM THE BACK OF THE CAGE TO 5 INCHES IN FRONT OF THE SEAT.

5. ALL GLASS MUST BE REMOVED, INCLUDING HEAD AND TAILLIGHTS. NO REAR VIEW MIRRORS ARE ALLOWED.

6. GAUGES MAY BE REMOVED. ALL FLAMMABLE INTERIOR (CARPET HEADLINER, INTERIOR SIDE PANEL, REAR SEATS, ETC.) MUST BE REMOVED. RACING SEAT IS MANDATORY. WIRING HARNESS MAY BE REMOVED AND REPLACED. SHOULDER HARNESS IS MANDATORY. ALL CARS MUST BE EQUIPPED WITH RACING SAFETY APPROVED SEAT BELTS BOLTED TO THE FRAME. NO STANDARD AUTO SAFETY BELTS ALLOWED. NECK BRACE AND WINDOW NET (OR ARM RESTRAINTS) ARE MANDATORY.

7. QUICK RELEASE STEERING WHEEL IS OPTIONAL. QUICK STEER BOXES ARE OK. STEERING REMAINS IN STOCK POSITION.

8. WEIGHT: 3200 LBS. AFTER RACE WITH DRIVER. TOP 5 CARS WEIGH AFTER HEAT RACES. “B” FEATURE TRANSFER SPOTS WEIGH. TOP 5 WEIGH AFTER “A” FEATURE.

HOBBY STOCK ENGINE AND DRIVE TRAIN: ENGINE MUST HAVE BEEN AVAILABLE IN THIS VEHICLE. YEAR MAY BE INTERCHANGED. MUST HAVE 360 DEGREE EXPLOSION PROOF STEEL BELL HOUSING.

1. ENGINE MUST BE STOCK PRODUCTION. FACTORY BLOCKS ONLY. NO BOWTIE OR ALUMINUM BLOCKS. CASTING NUMBERS MUST BE READABLE BY TECH OFFICIAL. NO 400 BLOCKS. ENGINE SET BACK #1 PLUG EVEN WITH UPPER BALL JOINT. FLAT TOP OR DISHED PISTONS ONLY. MAXIMUM CUBIC INCH DISPLACEMENT TO INCLUDE CLEARANCE AND WEAR IS 364 FOR GM AND FORD AND 370 FOR MOPAR. ALL OTHERS MUST NOT EXCEED 364 CID.

2. INTAKES: UNALTERED CAST IRON INTAKE OR CAST IRON MARINE INTAKE OR APPROVED UNALTERED AFTERMARKET DUAL PLANE ALUMINUM INTAKES ALLOWED: NO AIR GAP TYPE. INTAKES MUST BE APPROVED BY BATESVILLE MOTOR SPEEDWAY TECH OFFICIALS. NO PORTING OR GASKET MATCHING OR ACID DIPPING ALLOWED. NO BREZENSKI INTAKES OR HEADS ALLOWED. PLENUM WEBBING CANNOT BE REMOVED ON ANY INTAKES. NO GRINDING INTAKES. INTAKES MAY NOT BE REWORKED UNDER THE CARB AREA. CARB SPACER NO TALLER THAN 1 1/2 ALLOWED. CARBURETORS: 4412 HOLLEY 2 BARREL, OR BARRY GRANT DEMON 2 BARREL ALLOWED. 500 CFM. BOTTOM THROTTLE PLATE HOLE 1 11/16". TOP 1 3/8" Front Wheel Drive HEI STYLE DISTRIBUTORS. NO REMOTE COILS ON GM CARS. NO ONBOARD ELECTRONIC DEVICES CAPABLE OF STORING INFORMATION ALLOWED. NO AFTERMARKET ELECTRONIC AMPLIFYING DEVICES ALLOWED. TACHOMETERS ONLY 14” OF VACUUM PER 1000 RPMS. NO AEROSOL CARBS. MINIMUM VACUMN 14” AT 1000 RPMS

3. HYDRAULIC CAMSHAFTS ONLY. NO FLAT TAPPET CAMS OR MUSHROOM CAMS. NO ROLLER HYDRAULIC CAMS. NO SOLID LIFT CAM SHAFT.

4. HEADS: HEADS MUST BE STOCK OEM PRODUCTION OR LIST. CASTING NUMBER MUST BE READABLE BY TECH OFFICIAL. 2.02 – 1.60 VALVES IN GM IS THE LARGEST SIZE ALLOWED. NO ALUMINUM HEADS OR ANGLE PLUG HEADS. AFTERMARKET VALVE SPRINGS OK. STOCK OEM ROCKER ARMS OR ROLLER ROCKER ARMS. SCREW IN STUDS ALLOWED. VORTEC HEADS OK ~ BUT NO HI-RISE OR BRZEZINSKI INTAKES ALLOWED –AND AGAIN, HI-RISE IS DEFINED AS ANYTHING TALLER THAN STOCK ~ NO MATTER WHAT THE STAMP. ZERO VALVE LASH IS REQUIRED.

ONLY the following Stock Replacement (S/R) heads are ALLOWED: GM:ENGINE QUEST: Part # CH 350C Part # CH350i RENEGADE: Part # 21959B Part # 21968B WORLD PRODUCT: Casting #’s 043600 SR, 043610 SUMMIT: Part #151124 Part # 152123 CHRYSLER: Engine Quest Part # CH318B FORD Renegade: 21960B NO MODIFICATIONS TO THESE HEADS

5. HEADERS ARE LEGAL. MUST HAVE MUFFLERS SECURELY FASTENED TO HEADERS.

6. Front Wheel Drive AUTOMATIC OR STANDARD TRANSMISSIONS. MUST USE STOCK APPEARING CLUTCH, DISC, AND PRESSURE PLATE ON STEEL FLYWHEELS ONLY. STOCK TYPE FACTORY WORKING TORQUE CONVERTERS ONLY REQUIRED ON ALL AUTOMATICS. DRIVER MUST BE ABLE TO PUT CAR IN GEAR FROM PARK/NEUTRAL AND MOVE FORWARD AND REVERSE AT TIME OF INSPECTION. MUST HAVE DRIVESHAFT LOOP. DRIVESHAFT MUST BE PAINTED WHITE. DRIVESHAFTS MUST HAVE 360 DEGREE LOOP!

7. $200 TEAR-DOWN RULE ON PISTONS, CAMS, LIFTERS, ROCKERS & PORTING HEADS AND INTAKE; FLYWHEELS/CLUTCH; DRIVELINE. DRIVER ONLY MAY PROTEST. $50 OF THE MONEY GOES INTO THE DRIVER POINT FUND. TRACK OWNER MAY CLAIM ANY ENGINE AS LONG AS CLAIM IS MADE WITHIN 5 MINUTE PERIOD.

SAFETY REGULATIONS:

1. ROLL CAGES ARE REQUIRED. NO SCREW JOINT FITTINGS ALLOWED. THE MINIMUM REQUIREMENT FOR ALL ROLL CAGES ON ALL CARS SHALL BE AN “A” SHAPED AFFAIR, CONSTRUCTED OF AT LEAST 1 ” OD PIPE WITH BARS RUNNING FROM THE UPPER RIGHT CORNER TO THE LOWER LEFT CORNER, ANDJUST THE OPPOSITE ON THE OTHER SIDE, FORMING AN “X” AS VIEWED FROM FRONT TO REAR. THERE MUST ALSO BE A CROSS BAR ON TOP OF “A” AND 4 BARS DOWN THE SIDE AND 4 BARS AROUND THE TOP TO COMPLETE A CAGED AREA AROUND THE DRIVER. ALL ROLL BAR PIPES MUST BE AT LEAST .095 IN THICKNESS. MUST HAVE 4 KIDNEY BARS ON THE DRIVER SIDE AND 2 BARS ON PASSENGER SIDE. MUST HAVE 4 BARS ON DRIVERS' SIDE. THE DRIVER AND PASSENGER DOOR INNER LINER ONLY MAY BE ALTERED AS NECESSARY TO INSTALL BARS IN THE DOOR AREA. NO FURTHER GUTTING ALLOWED. GUSSETS REQUIRED. BARS MAY BE ADDED TO PROTECT RADIATOR AND GAS TANK AREAS. THREE ” BARS IN FRONT OF THE DRIVER’S WINDOW ARE MANDATORY. 1/8” DOORPLATE IS MANDATORY.

2. GAS TANKS MUST BE IN STOCK LOCATION. FUEL CELLS MANDATORY. 32 GALLON MAXIMUM. GAS TANKS/CELLS MUST BE SECURELY INSTALLED WITH 2” WIDE BY 1/8” STEEL STRAPS. PUMP, RACING OR AVIATION GAS ONLY. NO NITROUS OXIDE ALLOWED.

TIRES – WHEELS – SUSPENSION

1. ANY ASPHALT TAKE- OFFS ALLOWED. NO RECAPS OR DIRT LATE MODEL TIRES. ALL TIRES MUST PASS INSPECTION.

2. STEEL RACING WHEELS ONLY. MAXIMUM WIDTH IS 10”. RIGHT REAR BEAD LOCK ALLOWED. NO PLASTIC OR ALUMINUM WHEELS. 5/8” WHEEL STUDS MANDATORY.

3. RACING SPRINGS ALLOWED ON FRONT AND REAR. ADJUSTABLE/CHEATER WEIGHT JACKS ON FRONT ONLY. REAR SPRINGS MUST USE STOCK UPPER SPRING PADS IN STOCK LOCATION. THIS MEANS YOU CANNOT RUN ADJUSTABLE/CHEATERS ON THE BACK!!

4. RACING SHOCKS ALLOWED, MUST MOUNT IN STOCK LOCATION. NO HEIM MOUNTED SHOCKS ALLOWED. MUST HAVE 3 OR 4 WHEEL BRAKES, VALVE MUST BE IN ENGINE COMPARTMENT. AFTERMARKET PEDAL ASSEMBLY ALLOWED AS LONG AS BRAKES ARE NOT ADJUSTABLE. BRAKE SHUTOFF MUST BE IN THE ENGINE COMPARTMENT. NO FRONT TO REAR SHUTOFF ALLOWED. NO BRAKE BIAS GAUGES ALLOWED. BRAKE LINES MUST BE VISIBLE. RIGHT FRONT BRAKE IS OPTIONAL.

5. REAR SUSPENSIONS: ALL COMPONENTS AND MOUNTS MUST BE STEEL, UNALTERED, OEM IN OEM LOCATION AND MATCH FRAME. OEM RUBBER CONTROL ARM BUSHINGS OR POLYURETHANE BUSHINGS ALLOWED. CENTER OF REAR LOWER CONTROL ARM BOLT HOLE MUST BE 3” FROM BOTTOM OF HOUSING. NO INDEPENDENT REAR SUSPENSIONS. NO SWAY BARS, PANHARD BARS, J-BARS, SPRING SPACERS OR RUBBERS, CHAINS OR CABLES. NO GOLD TRACS OR ANY FORM OF TRACTION DEVICES ALLOWED. ALL REAR ENDS MUST BE LOCKED. 6. 9” FORD HOUSING HIGHLY RECOMMENDED.

6. GM REAR ENDS MUST HAVE AXLE RETENTION. GRAND NATIONAL REAR ENDS ARE ALLOWED.

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