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Late Model Division Rules as Follows: Body
1. Weight
– Engine #1 2300 lbs. after race with driver. Spec. Engine 2300 lbs. Super Late Model Engine 2450 lbs. Limited Late Model Engine 2150 lbs.
Chassis and Suspension:
1. Engine setback – 6” maximum, measured #1 spark plug to top of center ball joint. 2. Rear of car may be opened. 3. 76” maximum width on body 1” tolerance 4. 101” minimum wheel base 5. 8” rear spoiler 49” maximum height from ground 76” wide NO TOLERANCE! 6. No part of body may extend beyond the plane established by the 76” width
7.
Rear bumper
may not extend over ½ width of rear tire on each side. May be curved 8. Front push bars allowed, may not exceed width of front chassis rail 9. Suspension OPEN – ANY TYPE 10. Front and rear wrecker pick ups are MANDATORY 11. Carolina Clash Body Rules
Engine #1
1. Cubic inch 365 cubic inch max. NO TOLERANCE. 2. Block – ANY CAST IRON 3. Crankshaft – ANY 4. Rods – any steel 5. Pistons – flat top only 6. Camshaft – any 7. Heads – any cast iron OEM Iron Eagle not to exceed 215 runner (number must be molded on head) Ford - #M-6049-N351 Bow Tie – allowed Dart II Sportsman, Part #1112, 1122, 1212, 1222, 1115, 1125, 1215, 1225 1 ½” (1.500) Blend from the bottom of the valve seat 8. Valves – any 9. Lube systems – any 10. Intake – any 11. Exhaust system – any 12. Engine protest will be accepted on block, rods, pistons, cubic inch, and heads only.
Engine #2 Spec Engine:
This engine uses Brodix SUPR “Spec” heads.
1. Cubic Inch – 365 inch max. NO TOLERANCE. 2. Block – any cast iron 3. Crankshaft – any 4. Rods – any steel 5. Pistons – flat top only 6. Camshaft – any
7. Brodix
SUPR “Spec” heads (55cc minimum combustion chambers) with Titanium Valves. 8. Any valve. 11/32 valve stem size 9. Lube systems – any
10.
Intake –
Chevrolet engines must have a Brodix HVI intake with no modifications except 11. Exhaust system – any 12. Engine protest will be accepted on block, rods, pistons, cubic inch, and heads only.
Addition to SUPR “Spec” Engine Paragraph:
SUPR “Spec” heads with SUPR cast logos. Chevrolet SUPR “spec” head with SUPR cast logos. Ford SUPR “spec” head with SUPR logo on the outside and SPEC logo on intake and exhaust ports.
1. Intake port opening NO larger than original opening and may be port matched. Chevrolet may use FelPro 1206 gasket and FORD may use a FelPro 1262. 2. Chevrolet intake opening may be ground or polished ¾” or NO farther into port than the closest edge or the closest letter or the SUPR logo. Ford intake opening may be ground or polished 3/8”. Intake port polishing will be allowed NO more than 1 ½” below the bottom of the original seat ring on the back side of the bowl area, and NO more than 1” on the short side. Any opening up of head past these points will be illegal. 3. Polishing will be allowed in the combustion chamber area to avoid hot spot chafing. 4. Polishing will be allowed in exhaust ports as long as the original SUPR logo is NOT affected or port shape is not altered. 5. NO intake or exhaust port relocation, raising, enlargement, or reshaping of any type. 6. Valve angle and placement may NOT be altered in any way on the SUPR “spec” head. NOTE: SUPR has and will be using, Brodix supplied checking templates and tools on the SUPR head. DON’T GO past three points or templates and tools will disqualify you. 7. In the rules above, if it doesn’t say you can, then don’t.
NOTE: These head and intake manifold combinations were designed with one thing mind, to have equal air flow. If anything is done to increase airflow above original specs by manufacturer, they will be illegal. This bore & stroke will be for the year 2004.
SUPR logo must remain, with NO changes, in all locations. Flat top pistons ONLY. No titanium valves, crankshafts or connection rods.
Late Model Engine Rules for a Super Late Model Engine 1. Engines must be based on a factory design and must naturally aspirated. Aluminum or steel blocks permitted. 2. No fuel injection devices, electric fuel pumps, turbo chargers, or blowers permitted. 3. Magnetos are permitted. However, the engine must have operating self-starter. 4. The engine is permitted to be set back a maximum of twenty-five and one half inches. (25.5) from the centerline of the balljoint to the front of the motor plate? Engine bellhousing flange. 5. Carburetor is limited to one four barrel. 6. No titanium or exotic material crankshafts or connecting rods permitted. 7. All engines limited to one spark plug and two valves per cylinder.
Late Model Engine Rules for Limited Late Model Engine 1. 365 C.I. max. with clearance and wear. 2. No roller cams. 3. Flat top pistons only. 4. Roller Rocker arms OK. 5. Only cast iron GM cylinder heads or World Products Torker. 6. No porting or polishing of heads. No modifications of intake or exhaust runners at all. 1 1/2" Bowl Blend Max. 7. No aluminum blocks or heads. 8. Engine location 6" max. Setback from center of ball joint to first spark plug hole. 9. One four barrel carburetor. 10. One Adapter only 1" max. 2 gaskets.
Fuel System
1. Fuel gasoline ONLY. 2. Carburetor – any 4 barrel. 3. Fuel Pump – any mechanical. NO ELECTRIC. 4. Fuel cells MANDATORY (mounted in metal cans).
Ignition System
1. No DIGITAL devices are allowed. No Driver or Computer controlled spark timing devices are allowed. No programmable or memory devices are allowed. Only ANALOG Ignition boxes are permitted. The following ignition boxes are the only approved units for this track. A. MSD 6200 B. MSD 6400 C. MSD 6401 D. MSD 6420 E. MSD 6430 F. CRANE 6000-6410 G. GM 10037378 2. All boxes must have a 6 pin male shroud Weatherpack connector with male pins installed on the ignition box. The MSD 6401 and 6430 and CRANE 6000-6410 have this connector factory installed. If your box does not have this connector, then you may install it yourself using Nelson Specialties P/N 38048K or P/N 38048KL, MSD P/N 8170. The wires must be installed using the connector in the proper order. A. 12 volt ignition (RED) B. Tach signal (BROWN and WHITE) C. Coil (-) (BLACK) D. Coil (+) (ORANGE) E. Dist (-) (GREEN or BLACK inside shield) F. Dist (+) (VIOLET or RED inside shield) 3. If using an MSD box, the WHITE Points wire must be cut off within 1” of the box and sealed. 4. If a REV LIMITER is used, it must be built into the ignition box. No external rev limiters will be permitted. 5. Other than the above referenced 6 pin connector, the only other wires permitted to enter or exit the ignition box are the 12 gauge RED and BLACK Power and Ground wires. 6. IGNITION HARNESS – The Ignition system must have a separate wiring harness that is independent and not part of any other wiring in the car. The ignition wiring harness required for use in the competition at this track is produced to our specification by: NELSON SPECIALITIES, INC. 706 PERFORMANCE ROAD MOORESVILLE, NC 28115-9596 (800) 494-7532 The part number is 10248 Visible. It may be purchased online directly from them or from the track parts truck. The harness must be used as a manufactured. NO CUTTING OR SPLICING IS PERMITTED! 7. Ignition switch – a SPST (Single Pole Single Throw) toggle style switch is required to turn the ignition On and Off. Only the battery power, Ignition Activation, and Tach Power wireless may connect to this switch. 8. No devices of any type are allowed that interfere with the ignition signal. 9. Digital or Analog readout tachometers are permitted. Memory recall is permitted. 10. MAGNETOS ARE NOT ALLOWED. 11. Crank trigger systems with a single pickup are allowed. 12. Two way radios must be independent (not connected) of the cars electrical system. Only 1 radio and 1 PTT switch will be allowed in each car. 13. Ignition box protest. If you feel that the ignition box of the car finishing directly in front of you has a modification or device to aid in traction control you may file a protest by posting a $600.00 fee. The protested box will be impounded and checked by a test facility. If the box is found to be legal, the box owner will receive $500.00 of the protest fee. The track will retain $100.00 of the fee. If the box is found to be illegal, the track will keep the box and the protest filer will receive $500.00 of his protest fee. The track will retain $100.00 of the protest fee.
Drive Line
1. Clutch assembly – any 2. Flywheel – any 3. Transmission – any – must have working reverse 4. extinguisher – with gauge, mounted in a quick release harness in reach of driver – MANDATORY 5. Battery – must be mounted outside of driver’s compartment or in enclosed bolted down metal box. 6. Fuel lines – must be under car or in tubing
*After two feature wins the Driver will start in the rear of the field the next racing event.
**THESE RULES ARE SUBJECT TO CHANGE OR BE ALTERED FOR THE BEST INTEREST OF THE COMPETETITORS AND ROLLING THUNDER RACEWAY, LLC.
7. Drive shaft – any 8. Rear end – any
Safety
1. Full face helmet, complete fire suit with gloves – MANDATORY. 2. Roll cage – MANDATORY – must have minimum of three (3) bars in driver’s door. 3. Window net – MANDATORY. 4. Fuel cell – MANDATORY (mounted in metal can) 5. Seat belts – Five (5) point system – MANDATORY 6. Wind shield screen – MANDATORY
Tires Any spec tire
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