CAPRARA'STHUNDER ALLEY SPEEDPARK 2011 RULES
SPORT COMPACT
ELIGIBLE CAR - ANY FOUR CYLINDER OR ROTARY , TWO WHEEL
DRIVE COUPE , SEDAN , OR LIGHT TRUCK
BODY - ALL BODIES MUST BE STOCK STEEL OR STOCK
APPEARING ALUMINUM OR PLASTIC BODY ONLY. AFTERMARKET BODIES(IN STOCK APPEARING
ALUMINUM) ARE ALLOWED, PROVIDING THEY LOOK STOCK AND MATCH THE WHEELBASE OF THE
FRAME BEING USED. HOOD AND TRUNK LATCHES MUST BE REMOVED, AND DOORS MUST BE
WEILDED SHUT. FENDERS MAY BE REASONABLY TRIMED (AT OFFICIALS DISCRETION) FOR TIRE
CLEARENCE ONLY. ROOF, HOODS, AND TRUNKS MUST BE OF STOCK STEEL, ALUMINUM . ALL
HOODS AND TRUNKS MUST BE OF STOCK APPEARANCE AND MUST BE SECURELY FASTENED WITH
A MINIMUM OF 4 PINS, ONE AT EACH CORNER OF THE HOOD OR TRUNK. MAY HAVE SIDE RUB
RAILS MADE OF lX2 BOX TUBING OR 1.5" HOLLOW ROUND TUBING CAPED AT BOTH
ENDS NO SHARP EDGES , NOT TO
EXCEED TIRE WIDTH AND OR BE MOUNTED TIGHT TO BODY PANELS.
INTERIOR - COMPLETE STEEL FOOR PAN MUST BE
USED. DRIVERS COMPARTMENT MUST BE
ENCLOSED . ALL HOLES MUST BE SEALED. FRONT AND REAR FIREWALLS MUST BE A MINIMUM 20 GUAGE STEEL.
SPOILER, VENTS, VANES,
DAMS - SPOILER MATERIAL
AND MOUNTING CAN BE 6" MAXIMUM AND NO WIDER THAN 60". ALL SPOILERS
MUST FIT REAR CONTOUR OF REAR BODY WORK. FRONT AIR DAM MUST HAVE 2" CLEARENCE WITH DRIVER FULLY SUITED
AND IN SEAT.
WINDSHIELD AND REAR
WINDOW GLASS - WINDSHEILD
OF EITHER 1/8" LEXAN MATERIAL OR WIRE MESH MUST BE REINFORCED WITH ONE
SAFETY BAR AND TWO STRAPS OF 1" MATERIAL. SIDE WINDOWS MUST REMAIN EMPTY.
NO LOUVERS.
BUMPERS - ALL
CARS MUST HAVE STOCK APPEARING BUMPERS MAY. HAVE PLASTIC NOSE CONE OVER THEM.
CHASSIS - FRAME
MUST BE STAIGHT AND IN SOUND SHAPE. NO CUTTING CHOPPING OR LOWERING OF FRAME.
MAY USE SUBFRAME CONNECTIONS ON UNI-BODY CARS. MUST HAVE STOCK A-ARM LOCATION.
FRONT SPARK PLUG ON EITHER SIDE OF ENGINE CANNOT BE FURTHER BACK THEN THE
REVELANT SIDE LOWER BALL JOINT ON THE FRONT SUSPENSION.
ROLLCAGE - THE CAGE MUST BE A MINIMUM 6 POINT
DESIGN CONSTUCTED OF 1.5" OD X .090 THICK TUBING. FULL DASH BOARD IS
REQUIRED. TOP AREA OF WINDSHIELD TO VERTICAL PLANE OF DASH MUST BE ENCLOSED.
ALL BARS INDRVERS SECTION MUST BE PADDED INCLUDING STEERING SHAFT AND WHEEL.
MUST HAVE 118" STEEL PLATE WELDED TO SIDE DOOR BARS ON DRIVERS SIDE OF
CAGE.
GROUND CLEARANCE - FRAME RAIL MUST BE A MINIMUM 4" OF GROUND CLEARANCE , TAKE WITH
FULLY SUITED DRIVER IN SEAT. FRONT AIR DAM HAS TO HAVE A MINIMUM OF 2" CLEARANCE
WITH DRIVER FULLY SUITED IN SEAT.
ENGINES - ENGINE MUST HAVE BEEN AVALIBLE IN THE
MAKE AND MODEL OF CHASIS. MUST START WITH OEM
HEAD , AND ENGINE BLOCK AND
MODIFICATION ARE ALLOWED.
CARBURETOR -
ANY CARB ALLOWED.
COOLING SYSTEM - ANY ELCTRICAL OR MECHNICAL FAN IS ALLOWED. MUST HAVE A 1 QUART
OVER FLOW TANK NO ANTIFREEZE.
BATTERIES - BATTERIES MUST BE LOCATED IN ENGINE
COMPARTMENT OR TRUNK AREA. MUST HAVE A MAIN DISCONNECT AND FUEL SHUT OFF NEAR
DRIVERS REACH.
POWERTRAIN
- TRANSMIISION
MUST BE OEM STOCK FOR MAKE AND MODEL. GEARING MAT BE CHANGED. ANY FLYWHEEL ,
CUTCH SET UP ALLOWED.
SHOCKS - ONE SHOCK
PER WHEEL. ANY TYPE SHOCK ALLOWED.
SUSPENSION - STRUT TOWERS MAY BE MODIFIED FOR CASTER AND OR
CAMBER ADJUSTING ONLY. ANY STRUT AND OR SHOCK IS ALLOWED. STRUTS/SHOCKS CAN BE CLAIMED BY ANOTHER COMPETITOR FOR
$150.00 CLAIMER COST PER STRUT/SHOCK , FAILURE TO COMPLY WILL RESULT IN A DQ.
STEERING - STEERING COLUMN MUST BE IN STOCK OEM LOCATION.
QUICK RELEASE STEERING WHEELS ARE MANDATORY. STEERING SHAFT AND STEERING WHEEL
CENTER MUST BE PADDED AND MUST HAVE TWO U-JOINTS. MUST HAVE STOCK STEERING FOR
MAKE AND MODEL OF CAR. NO MODIFICATIONS ARE ALLOWED BUT NOT LIMITED TO STEERING
QUIKENERS. MAY RUN CAMBERED FRONT END ONLY.
FIRE EXTINGUISHER - ALL CARS MUST HAVE AN ON-BOARD FIRE EXTINGGUISHER IN
REACH OF THE DRIVER. ON-BOARD FIRE SUPPRESSION SYSTEMS ARE RECOMMENDED FOR
ADDITIONAL SECURITY.
DRIVERS SEAT - AN ALUMINUM HIGH BACKED RACING SEAT IS MANDATORY. IT
MUST BE SECURLEY MOUNTED TO THE FRAME OR ROLL CAGE IN AT LEAST 6 POINTS,( FOUR
AT SEAT BOTTOM , AND TWO AT SEAT BACK). A PADDED RIGHT SIDE HEADREST IS
MANDATORY.
DRIVER RESTRAINT/PADDING - A MINIMUM 5 POIT HARNESS PROPERLY MOUNTED TO THE
CAGE IS MANDATORY. BELTS MUST BE OF 3” DESIGN EQUIPPED WITH A QUICK RELEASE
LATCH. BELTS MUST NOT BE OVER 5 YEARS OLD. ALL BARS INCLUDING STEERING WHEEL AND SHAFT IN REACH OF DRIVER MUST BE
PADDED.
WINDOW SAFETY NETS - ALL CARS MUST HAVE AN APPROVED WINDOW NET PROPERLY
INSTALLED IN THE LEFT FRONT WINDOW OPENING. THE NET MUST BE EQUIPPED WITH A
QUICK RELEASE LATCH. RIGHT SIDE NET RECOMMENDED.
WEIGHT - 58%
LEFT SIDE WEIGHT MAXIMUM
WEIGHTS WILL BE TAKEN WITH A FULLY SUITED DRIVER IN SEAT.
NO CHANGES MAY BE DONE , AND NO FUEL CAN BE ADDED TO THE CAR PRIOR OR AFTER
BEING WEIGHED , FOR REASONS OF MAKING WEIGHT.
REQUIRED WEIGHT-
-ALL 8 VALVE ENGINES MUST
MAINTAIN MIN WEIGHT 1.00 LB PER CC
(2650CC) MAXIMUM
-ALL 12 VALVE ENGINES MUST
MAINTAIN MIN WEIGHT 1.10 LB PER CC
(2400CC) MAXIMUM
-ALL 16 VALVE ENGINES MUST
MAINTAIN MIN WEIGHT 1.20 LB PER CC
(2100CC) MAXIMUM
-ALL 20 VALVE ENGINES MUST
MAINTAIN MIN WEIGHT 1.30 LB PER CC
(1650CC) MAXIMUM
-ALL MAZDA ROTARY ENGINES
MUST MAINTAIN MIN WEIGHT 1.80 LB PER CC (1308CC) MAXIMUM
OVERALL CARS WHEN MEETING
ABOVE REQUIRMENTS MUST MAINTAIN A MINIMUM WEIGHT OF 1,800 LBS AND A MAXIMUM OF
2,250 LBS.
FUEL SYSTEM - AN APPROVED 8 GALLON FUEL CELL MAXIMUM CAPACITY FUEL
CELL IS MANDATORY. CELLS MUST BE CENTERED ON CHASSIS AND ENTIRELY LOCATEDA
MINIMUM OF 8” OFF GROUND. CELLS MUST BE PROTECTED IN ITS ENTIRETY BY A 20 GAUGE
STEEL BOX. ALL CARS MUST HAVE A FUEL SHUT-OFF IN REACH OF DRIVER. MUST BE
CLEARLY MARKED ON AND OFF. ALL FUEL LINES MUST BE PROPER AND PROTECTED. PUMP
GAS OR RACE GAS ONLY.
TIRES - TRACK TIRE REQUIERED IS A HOOSIER 790 OR 800 NO
EXCEPTIONS.
WHEELS - MAXIMUM 8” WIDE , OFFSET IS PERMITTED. MUST USE A 1”
LUG NUT ON ALL WHEEL STUDS.
DRIVER ATTIRE - FULL BODY FIRE RETARDANT SUIT MANDATORY. MUST BE ONE
OR TWO PIECE SUIT. APPROVED RACING SHOES OR STEEL TOE LEATHER BOOTS MANDATORY.
FIRE RETARDANT GLOVES MANDATORY. FULL-FACE HELMENT SA2000 RATING IS MANDATORY.
NO OPEN-FACE HELMENTS PERMITTED. EYE PROTECTION IS MANDATORY. NECKBRACE/COLLAR
, FIRE RETARDANT UNDER GARMENTS , AND FIRE RETARDANT SOCKS HIGHLY RECOMMENDED.
HEAD AND NECK BRACE SUCH AS THE “HANS” AND “HUTCHINS” DEVICES ARE HIGHLY
RECOMMENDED.
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