Click Here for Printable Version Of Late Model Rules

PENTON RACWAYS INC & NESMITH DIRT LATE MODEL SERIES

2010 NATIONAL TOUR AND WEEKLY RACING SERIES

RULES AND REGULATIONS

 

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.
A)  Beginning in January 2010 Competitors may run a maximum of a .020” shim under valve springs on repaired or rebuilt engines, or on new engines, that inconsistencies are found with “install height” or “free height” of replacement valve springs, and must remain with in the GM specifications for install height (604-1.780”-602-1.700”, and valve spring seat pressure, 604 105lb maximum, 602 85lb maximum.  Crate Racin USA Valve spring tester is the official tester, and all final rulings will be based on this tester ONLY.    WARNING!!  It is the racers responsibility to ensure each INDIVIDUAL valve spring has the correct “install height” and meets the maximum valve spring pressure rule, as per the GM specification manual.

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.      ENGINE SERIAL NUMBER MUST BE CLEARLY VISIBLE TO SERIES TECHNICAL INSPECTORS.

8.      ANY VIOLATION OF THE ENGINE RULES AND/OR FACTORY SPECS INSIDE THE SEALING BOLTS OF THE ENGINE WILL RESULT IN THE DRIVER BEING DISQAULFIED FROM THAT EVENT, AND SUSPENDED FROM SERIES COMPETITION FOR 365 DAYS AND PAY A $1,000 FINE.  AFTER THAT PERIOD, THE DRIVER CAN ONLY COMPETE IN SERIES EVENTS WITH AN ENGINE EQUIPED WITH ORIGINAL FACTORY SEALING BOLTS, AND MAY NOT COMPETE WITH AN ENGINE EQUIPED 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.

9.      ANY VIOLATION OF THE ENGINE RULES AND/OR FACTORY SPECS OUTSIDE THE SEALING BOLTS OF THE ENGINE WILL RESULT IN THE DRIVER BEING DISQAULIFIED 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 TOLLERANCE 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 TOLLERANCE 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 TOLLERANCE 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 ELECTRONIC DISTRIBUTOR-TYPE IGNITION SYSTEM.  NO CRANK TRIGGER, DISTRIBUTORLESS MULTI-COIL, OR MAGNETO IGNITION SYSTEM.

NATIONAL AND WEEKLY STARTER RULE:

1.      ALL CARS MUST HAVE STARTER IN WORKING ORDER.

NATIONAL AND WEEKLY WATER PUMP RULES:

1.      CAST OR ALLUMINUM 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 CONSISTANT DIAMETER.

2.      MUFFLERS NOT REQUIRED UNLESS TRACK MANDATES.

3.      NO TRI-Y HEADERS OR MERGED HEADERS ALLOWED

4.      NO SQUARE-TUBE HEADERS ALLOWED

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.      GASOLINE OR RACING GAS ONLYNO ETHANOL (E85, OR E105) NO METHANOL, OR ALCOHOL - NO NITROUS OXIDE.  NO OXYGENATED RACING FUELS, NO NITRO METHANE OR OTHER NITRATE ADDITIVES, NO PROPYLENE OXIDE, NO DIOXANES, FUELS CONTAINING ANY OF THE ABOVE (EXAMPLE. VP MS-109 NOT ALLOWED).  FUELS THAT TEST POSITIVE FOR THESE ADDITIVES WILL BE DISQUALIFIED.  IT IS THE RACERS RESPONSIBILITY TO KNOW WHAT HE/SHE IS PUTTING IN THE FUEL CELL.  THIS RULE WILL GO INTO EFFECT FEBRUARY 22, 2009.

  1. MECHANICAL FUEL PUMP ONLY, CAM DRIVEN OR BELT DRIVEN, NO ELECTRIC FUEL PUMPS.

NATIONAL AND WEEKLY BODY RULES:

1.      CRATE RACIN’ USA BODY RULES WILL APPLY (See illustrations at the end of this Rulebook).

2.      SPOILER SIZE MAXIMUM 12".

3.      SPOILERS MUST BE MADE OF A SOLID MATERIAL SUCH AS LEXAN OR, SHEET ALUMINUM, OR MATERIALS OF EQUAL STRENGTH.  SPOILER SUPPORTS SHOULD BE MADE OF EQUAL MATERIAL ON BOTH SIDES.  NO OPEN SPOILER SUPPORTS.

4.      THE AEROTECH DOMINATOR NOSE PIECE IS ALLOWED.

5.      NO MIRRORS.

6.      NO RADIOS.

7.      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 ROLLBARS 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.

4.      BALLSPLINE TRANSMISSIONS-STRONGLY RECOMMENDED TO RUN CARBON FIBER DRIVE SHAFT ONLY! (This is for your safety)

NATIONAL AND WEEKLY BRAKE RULES:

1.      STEEL BRAKE ROTORS ONLY--NO CARBON FIBER BRAKES, TITANIUM BRAKES OR OTHER EXOTIC MATERIAL      BRAKE SYSTEMS.

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".

NATIONAL AND WEEKLY TIRE RULE:

1.       HOOSIER D21 AND D55 STAMPED CRATE RACIN’ USA . TIRES WILL BE DUROMETERED AND CRATE RACIN’ USA D21 MUST PUNCH 48 OR HARDER, AND CRATE RACIN’ USA D55 MUST PUNCH 60 OR HARDER AT ANY TIME WHEN TESTED.  GROOVING AND SIPING ALLOWED. 

  1. ANY DRIVER AT ANY TIME DETERMINED TO HAVE SOFTENED OR CHEMECALLY ALTERED TIRES WILL BE DIQUALIFIED FROM THE REMAINDER OF THE EVENT.

WARNING:  THE NESMITH DIRT LATE MODEL SERIES (CRATE RACIN, USA) AND HOOSIER RACING TIRES STRICTLY FORBIDS ANY CHEMICAL ALTERATION OF THE TIRE CARCASS AND/OR TREAD COMPOUND, SUCH AS TIRE SOAKING OR USE OF TREAD “SOFTENER.”  THE NESMITH DIRT LATE MODEL SERIES (CRATE RACING , USA ) AND HOOSIER RACING TIRE STRICTLY FORBIDS THE PHYSICAL DEFACEMENT (REMOVAL, ALTERING, OR COVERING), OF TIRE SIDEWALL MARKINGS IN ANY MANNER.  FAILURE TO COMPLY WITH THIS WARNING COULD RESULT IN PREMATURE OR CATASTROPHIC TIRE FAILURE AND MAY RESULT IN SERIOUS INJURY OR DEATH.

ANY TIRE THAT IS DEEMED SUSPICIOUS OR QUESTIONABLE AT ANY TIME DURING A WEEKLY SANCTIONED OR NATIONAL EVENT WILL BE CONFISCATED, AND IF NECESSARY SENT TO A LAB FOR FURTHER TESTING.  WHILE TIRE IS IN QUESTION ALL MONEY’S, AND POINTS FOR THAT DRIVER WILL BE HELD UNTIL A RULING IS MADE FINAL.  ANY TIRE FOUND NOT TO COMPLY WITH THE ABOVE RULES AND DEEMED TO HAVE BEEN DEFACED AND/OR CHEMICALLY ALTERED  WILL RESULT IN THE DRIVER BEING SUSPENDED FOR A PERIOD UP TO 365 DAYS AND MAY BE FINED UP TO $1,000 BEFORE BECOMING ELIGIBLE TO COMPETE WITH THE NESMITH DIRT LATE MODEL SERIES (CRATE RACIN, USA) AGAIN.

NATIONAL AND WEEKLY WEIGHT RULES:

1.      GM CRATE ENGINE #88958602 - 2200 LBS. AT QUALIFYING, 1LB PER LAP BURN OFF ON HEATS, CONSI’S, & FEATURE RACE.  (GREEN FLAG LAPS ONLY)

2.      GM CRATE ENGINE # 88958604 - 2350 LBS. AT QUALIFYING, 1LB PER LAP BURN OFF ON HEATS, CONSI’S, & FEATURE RACE.  (GREEN FLAG LAPS ONLY)

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 DISQUALIFCATION FROM THE EVENT.

NATIONAL & WEEKLY EVENT PROTESTS:

1.      THE PROTEST FEE FOR A COMPLETE TEAR DOWN A CAR THAT FINISHES THE A-MAIN IS $900, AND THE FEE MUST BE PAID TO THE RACE DIRECTOR, IN CASH, WITHIN 10 MINUTES AFTER THE CHECKERED FLAG HAS FALLEN ON THE FEATURE EVENT.   MUST FINISH IN THE TOP 5 TO BE ELIGIBLE TO PROTEST.

2.      THE ONLY PERSONNEL PERMITTED TO FILE A PROTEST ARE A DRIVER OR CAR OWNER OF A CAR THAT HAS STARTED THE FEATURE.

3.       ONLY 2 PEOPLE FROM THE PROTESTED CAR AND 2 PEOPLE FROM THE TEAM PROTESTING WILL BE ALLOWED IN THE TECH AREA DURING A PROTEST.

  1. 4.      FAILURE AND/OR REFUSAL TO TEAR DOWN AN ENGINE AND/OR FOR YOUR RACE CAR TO BE INSPECTED BY SERIES OFFICIALS AT ANY TIME WILL RESULT IN A 365-DAY SUSPENSION AND FINE OF A DETERMINED AMOUNT BY SERIES OFFICIALS.
  2. WEEKLY MEMBERSHIP AND ENTRY FEES:

1.      TO BE ELIGIBLE TO EARN CRATE RACIN’ USA WEEKLY RACING SERIES POINTS, POINT FUND MONIES, AND SERIES CONTINGENCY AWARDS, A DRIVER MUST PAY AN ANNUAL MEMBERSHIP FEE OF $100.

2.      TO BE ELIGIBLE TO EARN CRATE RACIN’ USA WEEKLY RACING SERIES POINTS, POINT FUND MONIES, AND SERIES CONTINGENCY AWARDS, A DRIVER MUST PAY A $10 ENTRY FEE AT EACH SERIES WEEKLY EVENT.

WEEKLY POINTS SYSTEM FOR FRIDAY AND SATURDAY NIGHT TRACKS:

1. 50
2. 49
3. 48
4. 47
5. 46
6. 45
7. 44
8. 43
9. 42
10-THRU FIELD  41

NON EVENT QUALIFYER OR DOES NOT START FEATURE RACE: 25

DURING THE WEEKLY RACING SEASON ANY DRIVER THAT ATTEMPTS TO QUALIFY FOR A  NeSMITH CHEVROLET DIRT LATE MODEL SERIES NATIONAL TOURING  EVENT WILL RECEIVE 25 BONUS POINTS.  DRIVERS MAY RECEIVE BONUS POINTS FOR A MAXIMUM OF 6 RACES, WHICH WILL EQUATE TO 3 WINS WITH IN THE REGION.

BEST 16 FINISHES ALONG WITH BONUS POINTS, OVER THE WEEKLY RACING SEASON THAT RUNS FROM APRIL 3, 2010 TO OCTOBER 4, 2010 WILL BE COUNTED FOR POINT TOTALS

A DRIVER MUST DESIGNATE EITHER THEIR HOME TRACK OR REGION WHEN THEY REGISTER FOR THEIR ANNUAL MEMBERSHIP.

WEEKLY RACING SERIES POINT FUND:

WEEKLY TRACKS WILL DETERMINE POINT FUND PAYOUT BASED ON CAR COUNT:

REGIONAL: $3,000

1.      $1,500 (Plus New GM Performance 604 Crate Engine and a New Chassis)

2.      $1,000

3.      $500


CRATE USA BODY RULES:

 

 

Official Authorized Nesmith Dirt Late Model Series Rebuilder of Penton Raceways Inc.
West Georgia Auto & Machine
Phone: (706) 523-2873

<<BACK>>