PENTON RACEWAYS INC
2009 LATE MODEL TECHNICAL RULES
In 2009 Penton Raceways will be sanctioned by the NeSmith Dirt Late Model Series
NATIONAL AND WEEKLY
ENGINE RULES:
1. GM PART NUMBER 88958602
& GM PART NUMBER 88958604.
2. THESE ENGINES ARE SEALED
AT THE INTAKE MANIFOLD, CYLINDER HEAD, FRONT COVER, AND OIL PAN WITH SPECIAL
TWIST OFF BOLT HEADS. CRATE ENGINES MUST NOT BE ALTERED, MODIFIED OR CHANGE
FROM FACTORY SPECS.
3. THE SEALED ENGINES MUST
REMAIN INTACT AND NOT BE TAMPERED WITH; ANY SEALS THAT HAVE BEEN REMOVED OR
TAMPERED WITH WILL MAKE THE ENGINE ILLEGAL AND NOT ELIGIBLE FOR COMPETITION.
THE PENALTY FOR ANYONE TAMPERING WITH SEALS, MODIFYING ANY INTERNAL ENGINE
PARTS, CHANGING THE PARTS FROM STOCK AS DELIVERED SEALED FROM THE FACTORY WILL
BE SUBJECT TO EXPULSION FROM RACING WITH ANY CRATE RACIN' USA SANCTIONED EVENT
FOR THE REMAINDER OF SEASON AND FUTURE SEASONS.
4. NO CHANGES ARE ALLOWED TO
THE ENGINE - INTAKE MANIFOLD, HEADS, VALVE COVERS, FRONT COVER, OIL PAN,
HARMONIC BALANCER OR ANY OTHER PART / OR PARTS ON / OR IN ENGINE.
5. NO VACUUM PUMPS.
6. ALL CRATE ENGINES MUST
REMAIN STOCK AS THEY CAME SEALED FROM THE FACTORY. CRATE ENGINES MUST NOT BE
ALTERED, MODIFIED OR CHANGED FROM FACTORY SPECS.
7. ANY VIOLATION OF THE
ENGINE RULES AND/OR FACTORY SPECS INSIDE THE SEALING BOLTS OF THE ENGINE WILL
RESULT IN THE DRIVER BEING DISQUALIFIED FROM THAT EVENT, AND SUSPENDED FROM
SERIES COMPETITION FOR 365 DAYS. AFTER
THAT PERIOD, THE DRIVER CAN ONLY COMPETE IN SERIES EVENTS WITH AN ENGINE
EQUIPPED WITH ORIGINAL FACTORY SEALING BOLTS, AND MAY NOT COMPETE WITH AN
ENGINE EQUIPPED WITH “RM” BOLTS, UNLESS AUTHORIZED BY SERIES OFFICIALS, AND
THIS ALSO APPLIES TO THE CAR OWNER OF THE CAR SHOULD ANOTHER DRIVER COMPETE
WITH IT.
8. ANY VIOLATION OF THE
ENGINE RULES AND/OR FACTORY SPECS OUTSIDE THE SEALING BOLTS OF THE ENGINE WILL
RESULT IN THE DRIVER BEING DISQUALIFIED FROM THAT EVENT, SUSPENDED FROM SERIES
COMPETITION FOR 30 DAYS, AND FINED $500.00.
NATIONAL AND WEEKLY ENGINE
SETBACK RULE:
1. ENGINE SETBACK WILL BE
6" FROM CENTER OF TOP BALL JOINT TO THE MOST FORWARD SPARK PLUG ON THE
JIG-FRAME CAR WITH 1-INCH TOLERANCE ON ENGINE SETBACK. THERE WILL BE A 50
POUND PENALTY FORWARD OF THE MOTOR PLATE FOR EACH 1/2-INCH OF SET BACK BEYOND
SEVEN (7) INCHES OF ENGINE SETBACK, AND UP TO A 100 POUND PENALTY. NO
CARS WITH MORE THAN AN EIGHT (8) INCH ENGINE SETBACK WILL BE ALLOWED TO
COMPETE.
NATIONAL AND WEEKLY
CARBURETOR RULES:
1. ONE FOUR-BARREL
CARBURETOR ONLY OF ANY MANUFACTURE.
2. ENGINE MUST BE NATURALLY
ASPIRATED.
3. 604 - MAY USE ONE
CARBURETOR SPACER (1 INCH-ONE PIECE WITH .040 TOLERANCE MAXIMUM) AND TWO
STANDARD PAPER GASKETS (MAXIMUM 0.070 INCH THICK), ONE GASKET BETWEEN INTAKE TO
SPACER AND ONE GASKET BETWEEN SPACER TO CARBURETOR.
4. 602 - MAY USE ONE
CARBURETOR SPACER (2 INCH-ONE PIECE WITH .040 TOLERANCE MAXIMUM) AND TWO
STANDARD PAPER GASKETS (MAXIMUM 0.070 INCH THICK), ONE GASKET BETWEEN INTAKE TO
SPACER AND ONE GASKET BETWEEN SPACER TO CARBURETOR
NATIONAL AND WEEKLY
DISTRIBUTOR RULE:
1. ANY IGNITION WITH THE
EXCEPTION OF MAGNETOS. (NO MAGNETOS)
NATIONAL AND WEEKLY
STARTER RULE:
1. ALL CARS MUST HAVE
STARTER IN WORKING ORDER.
NATIONAL AND WEEKLY
WATER PUMP RULES:
1. CAST OR ALUMINUM
PERMITTED.
2. NO ELECTRIC WATER PUMP.
NATIONAL AND WEEKLY
EXHAUST RULES:
1. COLLECTOR TYPE HEADERS
REQUIRED. MUST HAVE FOUR (4) TUBES INTO ONE (1)
COLLECTOR OF A CONSISTENT DIAMETER.
2. MUFFLERS NOT REQUIRED
UNLESS TRACK MANDATES.
3. NO TRI-Y HEADERS OR
MERGED HEADERS ALLOWED
4. NO SQUARE-TUBE HEADERS ALLOWED
(Currently Under R&D)
NATIONAL AND WEEKLY FUEL
- FUEL CELL - FUEL PUMP RULES:
1. AN APPROVED FUEL CELL (32
GALLON MAXIMUM) MUST BE SECURELY MOUNTED IN THE TRUNK AREA OF THE CAR, INSIDE A
.20 GAUGE METAL BOX SUPPORTED BY A MINIMUM OF TWO 2" BY 1/8" STEEL
STRAPS.
2. ALL FUEL CELLS MUST BE
COMPLETELY VISIBLE FROM REAR OF CAR.
3. GAS ONLY - NO ALCOHOL -
NO NITROUS OXIDE, NITRO METHANE OR OTHER NITRATE ADDITIVES OR PROPYLENE OXIDE.
4. MECHANICAL PUMP ONLY. NO
ELECTRIC PUMP.
NATIONAL AND WEEKLY BODY
RULES:
1.
CRATE
RACIN’ USA BODY RULES WILL APPLY CLICK ON LINK FOR BODY ILLUSTRATIONS http://www.nesmithracing.com/stormpayimages/bodyspec_large.jpg
2. SPOILER SIZE MAXIMUM
12".
3. SPOILERS MUST
BE MADE OF A TRANSPARENT MATERIAL (SUCH AS LEXAN), SHEET ALUMINUM,
OR MATERIALS OF EQUAL STRENGTH.
4. NO MIRRORS.
5. NO RADIOS.
6. RACEceiver IS MANDATORY.
NATIONAL AND WEEKLY
FRAME RULES:
1. ALL FRAMES MUST BE OF
STEEL CONSTRUCTION.
2. SQUARE OR RECTANGULAR
FRAME MUST HAVE A MINIMUM OF 2" BY 2" MATERIAL, .083 WALL
THICKNESSES.
3. ROUND TUBE FRAME, TUBING
MUST HAVE A MINIMUM OF 1-3/4" OUTSIDE DIAMETER, .083 WALL THICKNESSES.
NATIONAL AND WEEKLY
WHEEL BASE RULE:
1. MINIMUM WHEELBASE FOR JIG
AND SNOUT CAR WILL BE 103".
NATIONAL AND WEEKLY ROLL
CAGE RULES:
1. ALL CARS MUST HAVE A
SUITABLE STEEL ROLL CAGE PROTECTING THE DRIVER'S COMPARTMENT, INCLUDING
HEADREST.
2. SIDE ROLL BARS ARE
MANDATORY, AND MUST EXTEND INTO THE DOOR PANELS. A MINIMUM OF THREE (3) BARS MUST
BE ON THE LEFT SIDE.
3. EACH BAR MUST BE AT LEAST
1 - 1/2" DIAMETER, WITH A MINIMUM MATERIAL THICKNESS OF .083".
4. ROLL CAGES MUST BE WELDED
TO FRAME.
NATIONAL AND WEEKLY
SAFETY RULES:
1. ALL CARS MUST HAVE
3" SEAT BELTS WITH SHOULDER HARNESS AND MUST BE ATTACHED TO ROLL CAGE.
2. ALL CARS MUST BE EQUIPPED
WITH A 2 POUND ABC FIRE EXTINGUISHER.
3. WE STRONGLY RECOMMEND A 5
POUND HALON SYSTEM.
4. ALL DRIVERS MUST WEAR A
COMPLETE FIRE SUIT.
5. GLOVES ARE NOT REQUIRED,
BUT HIGHLY RECOMMENDED.
NATIONAL AND WEEKLY
TRANSMISSION RULES:
1. MUST HAVE AT LEAST ONE
FORWARD AND ONE REVERSE GEAR IN WORKING ORDER.
2. NO STRAIGHT DRIVES OR IN
AND OUT BOXES.
3. DRIVE SHAFTS MUST BE
PAINTED WHITE - CARBON FIBER DRIVE SHAFTS ARE LEGAL.
NATIONAL AND WEEKLY BRAKE RULES:
1. NO
CARBON FIBER BRAKES
NATIONAL AND WEEKLY
WHEEL RULES:
1. ANY BRAND OR TYPE OF
WHEEL ALLOWED MUST BE MOUNTED WITH LUG NUTS.
2. NO KNOCK-OFF OR CENTER LOCK WHEELS.
3. MAXIMUM WHEEL WIDTH -
14".
WEEKLY - TIRE RULES:
1. WEEKLY TIRE RULE - HOOSIER SPEC / CRATE D21 or SPEC / CRATE D55 ONLY. TIRES
MUST BE PURCHASED FROM EAMS. TIRES MAY BE DUROMETERED AND MUST PUNCH
48. NO TIRE
SOFTNERS PERMITTED. TIRES WILL BE SUBJECT TO HARDNESS TEST AT ANY TIME TO
DETERMINE LEGALITY.
2. TIRES MUST HAVE ALL
NUMBERS AND NAME ON THE TIRE. NO GRINDING OFF OF NUMBERS OR NAMES, ANY TIRE
THAT HAS BEEN ALTERED WILL BE ILLEGAL AND CONFISCATED.
NATIONAL AND WEEKLY
WEIGHT RULES:
1. GM CRATE ENGINE #88958602
- 2200 LBS. AT ALL TIMES AND AFTER RACE.
2. GM CRATE ENGINE #
88958604 - 2350 LBS. AT ALL TIMES AND AFTER RACE
3. ATTACHED WEIGHT MUST BE
SECURELY BOLTED TO FRAME WITH 1/2" OR LARGER BOLTS. WEIGHT MUST BE PAINTED
WHITE WITH CAR NUMBER DISPLAYED. PENALTY FOR LOSING ATTACHED WEIGHT ON THE RACE
TRACK IS DISQUALIFICATION FROM THE EVENT.