Edited by board administrator November 1, 2014, 10:52 pm
2015 MOTTVILLE SPEEDWAY MINI THUNDER CAR RULES
Front wheel drive, four cylinder, non-turbo charged passenger cars.
6 cylinder , front wheel drive cars must have automatic transmission. No AWD.
General-Fenders may be trimmed (if not excessive) to remove rust out. You may add a steel protector plate to the driverís door.
Stock appearing bumpers required. Bumpers may be welded in place. Bumper ends may
be capped and have supplemental attachments to the finders which prevents the hooking of bumpers.
All exterior trim including lights, body moldings, mirrors, etc. must be removed. All side and back glass must be removed. Windshield may be Lexan. A single plane rear spoiler with a maximum height of 6" allowed.
OPTIONAL: Roll bars or cages are not required. Cages or bars, if used, should be installed and constructed so the B hoop is higher than drivers and passenger's head. If cage or bar is mounted to the floor pan, a 12" x 12" steel plate should be used at hoop mounting points.
Door bars are Mandatory.
TIRES AND WHEELS:
Stock type wheels; tire allowed with a minimum width of 175, maximum width of 235; minimum height (aspect ratio) of 60, maximum of 70; tire diameters can be 13" thru 16". UTDQ Treadwear rating equal to or greater than 300. Max 7 inch wheels, offset wheels ok.
.BATTERIES:must be securely tied down.
ENGINE: Complete stock motor no modifications!!! OPTIONAL: Removal of excess wiring, sensors, etc. Headers ok.
TRANSMISSION & REAR AXLE: Stock, unmodified transmission and transaxle, as manufactured and delivered, with working forward and reverse gears.
A complete tight exhaust system with a maximum size of 2" od. must be run from the engine to an area behind the driver and. MUST EXIT UNDER CAR OR OUT THE REAR OF CAR. Decibel limit 100. ABSOLUTELY NO EXHAUST IN DRIVERíS COMPARTMENT!!!
STEERING AND SUSPENSION: Stock only. Some slight modification allowed. Sping rubbers ok. Cut springs ok.
Any stock radiator allowed which will fit in stock brackets. 180-degree fan shroud required. 1 gal. Overflow can required. .
Cars without the fuel pump mounted in the tank must use a cell or marine type tank mounted in the trunk.
FUEL: Pump Gas only, 97 octane or less. Race gas not permitted.
NUMBERS: Min 18" high numbers contrasting color are required on both doors and the roof..
SEAT BELTS AND WINDOW NETS REQUIRED:
HELMETS: Snell SA-95 or newer required, SNELL SA-2000 recommended.
FIRE EXTINGUISHERS REQUIRED: TOW HOOK REQUIRED-FRONT AND REAR!.
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