- BODY: DIRT/Lucas rules apply.
- ENGINE AND WEIGHT OPTIONS:
- Open Motor: 2300 lbs.
- Open Motor w/steel block 2250 lbs.
- SAS LEGAL Spec Motor: 2200 lbs.
- SUPR LEGAL Spec Motor: 2200 lbs.
- ALL steel motor: 2200 lbs.
- WEIGHT: With driver anytime. No weight adjustment devices allowed inside car.
- FUEL SYSTEM: One four-barrel carburetor. Gas or Alcohol
- WHEELBASE: 104-inch minimum. Measured from center of hub to center of hub.
- ENGINE SETBACK: Six (6) inches from center of ball joint to most forward spark plug, for all cars.
- REAR END: Any type permitted.
- TRANSMISSION: All Transmissions must have forward and reverse gears. No straight drives.
Option 1: American Racer 56. Hoosier 55, 1600, LM 40, and these tires must have a minimum of a 60-hardness or higher durometer reading on the track’s durometer when checked and may be checked after qualifying/races.
Option 2: American Racer SD-44 and SD-48. Or Hoosier 1300, 1350, D-21, or LM 20 tires are also allowed and these tires must have a minimum of a 40-hardness durometer reading on the track’s durometer when checked and may be checked after qualifying/races.
All identification numbers must be visible on front and back of tires. No altering. NO TOLERANCE. Drivers caught with non-conforming tires will be immediately disqualified from that event’s racing activities. Driver will lose all points for that event and all monies and awards for that event. Driver will be fined $500 and will be suspended from competing for one (1) month. Track reserves right to impound any non-conforming or questionable tire(s).
- SPOILERS: 8-inch rear spoilers on all cars. Spec Motor and Big 10 Motor exception (SAS template): 12-inches of material tall spoiler. Three spoiler support blades are allowed. Spec spoiler blade dimensions are 18 inches maximum in length, 12 inches maximum height, and must taper down to a maximum of 6 inches. No adjustable rear spoilers.
Open Wheel Modified Rules
1) North Alabama Speedway is a Non-sanctioned track.
2) IMCA Modified rules apply with exception of motor claim and line up procedures
3) IMCA Stamped wheels not required.
American Racer tires (G-60 KK704 ) OK
4) Bert or Brinn Transmission allowed.
5) $750 motor claim with engine exchange.
6) Aluminum heads allowed. Must add 50lbs in front of motor plate.
7) Weight: 2450 pounds after main event.
8).....Quick change rearends are optional : must be steel tubes, hubs, & birdcages
9).....Bead Lock allowed on Right Rear Only
ENGINE CLAIM/EXCHANGE RULES:
A. $750 (U.S.) cash claim on engine, flywheel and balancing plates - $50 of this goes to wrecker for pulling engines.
B. Claim/Exchange does not include - 1. clutch, 2. pressure plate, 3. bellhousing, 4. headers, 5. carburetor, 6. starter, 7. motor mounts, 8. sending units and switches for oil pressure and water temperature, 9. carburetor adaptor, 10. fan and pulleys, 11. clutch ball, 12. clutch arm, 13. throw out bearing, 14. dip stick, 15. water pump, 16. fuel pump, rod and plate, 19. distributor, 20. plug wires, 21. external oil restrictors (must furnish plugs), 22. water outlet and restrictor, 23. valve cover breathers.
C. First three (3) position finishers must report directly to claim area and are subject to engine claim/exchange by any other driver finishing fourth on back in feature that has not been lapped by the third place driver. Failure to report directly to claim area will result in disqualification and loss of money and points. Driver is allowed one claim ONLY per event, regardless of outcome of that claim. In case of multiple claims on same engine, a drawing will be held to determine which driver gets the engine. Should the first eligible driver withdraw his claim, the next qualified driver will be allowed the engine claim. No claims accepted after five (5) minutes have elapsed from checkered flag being thrown OR claim area has been cleared.
D. Driver making claim must drive his racecar immediately after finish of feature, under its own power, directly to claiming area. Highly recommended that only involved drivers and officials be allowed in claiming area.
E. Claims must be made to official immediately after end of feature race, and claimed engine must be completely removed and exchanged by end of event's activities.
F. Claims must be made in writing to track official with $750 cash.
G. Only driver may claim engine and only driver may agree to sell or refuse to sell engine.
H. Refusal to sell forfeits all cash and contingency winnings for feature and any trophies earned in feature. Any driver refusing to sell engine, when claimed within rules, loses his right to claim any driver's engine for the remainder of the season
Late Model Stock Rules
General Rules:
1. Body: DIRT/MSCCS Late Model body rules apply
2. Wheel base: 103-inch minimum. Measured from center of hub to center of hub.
3. 14" maximum aluminum wheels. Beadlocks permitted
4. Two (2) hardness/tire rule option used.
American Racer: SD 44/48 AND 56. Hoosier: 1300/1350/D21/55/1600 Also LM20/LM40. Must duromoter a minimum of 40 hardness.
All identification numbers must be visible on front and back of tires. No altering. NO TOLERANCE. Drivers caught with non-conforming tires will be immediately disqualified from that event’s racing activities. Driver will lose all points for that event and all monies and awards for that event. Driver will be fined $500 and will be suspended from competing for one (1) month. Track reserves right to impound any non-conforming or questionable tire(s).
5. Gas only. No alcohol.
6. Engine setback: Six (6) inches from center of ball joint to most forward spark plug, for all cars.
7. Any transmissions must have forward and reverse gears.
8. Any rear-end
9. No traction control devices allowed.
10. No Magneto
11. Any Carburetor
12. No vacuum pumps
13. Rules may be adjusted in interest of fairness of competition.
Engine Option A: Standard Late Model Stock Engine
1. Engines: Chevrolet-350, Chrysler-360, Ford-351 engines. Must be all steel except intake.
2. Engine maximum displacement of 362 cubic inches.
3. Any intake
4. After market water pump (steel or aluminum) permitted
5. Aftermarket fuel pump in stock location
6. Any cam that will pull 17" of vacuum at 1,000 rpm by the track gauge.
7. No after market heads allowed. Stock OEM heads or GM Vortec heads allowed. Steel and straight plug heads only. No GM Angle Plug heads. No porting, polishing, grinding, or excessive deburring in any breathing area on heads. No shot peening or acid porting of heads allowed. Heads may be deburred on outside areas only. May have 3 angle valve job. Can be flat or angle milled. Ford Angle Plug Heads are allowed.
8. Flat top pistons only.
9. Steel valves, rods and crank only.
10. Aftermarket oil pan permitted. No dry sumps allowed.
11. Must weigh a minimum of 2350 lbs anytime.
12. Track Protest rules apply
Engine Options B:
GM Performance Sealed Crate Motors:
GM part number P/N 88958602:
Must weigh a minimum of 2200 lbs anytime.
May run 12” spoiler.
GM part number P/N 88958604:
Must weigh a minimum 2350 lbs anytime.
May run 12” spoiler.
1. These engines are sealed at the intake manifold, cylinder head, front cover, and oil pan with special twist off bolts. Crate engines must not be altered, modified, of changed in any way from factory specification.
2. The sealed engines must remain intact and not be tampered with. Any seals that have been remover or tampered with will make the engine illegal and ineligible for competition. Track reserves right to confiscate engine for technical inspection. The penalty for tampering with seals, modifying any internal engine parts, changing parts from stock as delivered and sealed from the factory will be subject to expulsion from racing in the class permanently.
3. No changes are allowed to the engines. Including Intake manifold, heads, valve covers, front cover, oil pan, harmonic balancer, or any other part(s) on or in the engines.
CARBURETOR
1. One 4-barrel carburetor only. Any Manufacturer.
2. Engine must be naturally aspirated.
3. May use one carburetor spacer, 1 inch maximum, and two standard one piece open hole paper gasket (maximum .070 inch thickness), one gasket between intake to spacer and one gasket between spacer to carburetor.
WATER PUMP
1. Cast or aluminum permitted.
2. No electric water pump allowed.
EXHAUST
1. Collection type headers required.
2. No Tri-Y headers allowed.
PROTEST
Protest fee is $300.00 for 1 head and 50.00 to the track
Modified Street Rules
A.any 1948 or newer sedan or coupe,minumum cutting for tires and air filter
c.stock bumpers in stock location.bumpers may be cut slightly,but no sharp edges
d.must have wrecker loops on front and rear of car
e.all doors must be welded or bolted shut
f.all glass must be removed
g.racing seat with approved shoulder harness required
h.4 post roll cage welded to the frame with 3 or more bars in the driver door.all bars must be 2" or larger
j.unibodies can be tied together
k.car must be strictly stock appearing.minimum cutting allowed for tires and air filter
l.plastic ground effects are permitted
m.pedals must be in stock location
n.battery must be relocated and strapped securely in battery box in cockpit
a.362 cu.inch,no 400 blocks; GM Crate 602 Engines are allowed
b.must pull 17" vacuum at 900 rpm by track gauge
c.any flat top or dish pistons allowed not to exceed deck height
d.stock rods,crank,heads,rocker arms,carb.,ignition,and block from the manufacturer
e. vortec heads are allowed
f.no porting and polishing at all
g.stock flywheel,pressure plate,and clutch or torque converter
h.cam maximum lift "450 with .010"tolerance.cam will be checked at the valve
i..005 feeler gauge will be used to check for solid lift cams
j.intake must have stock casting.no aluminum intakes or high rises.
k.bigger valves and springs may be installed
l.no solid lift or roller cams or lifters
m.stock fuel pump in stock location only
n.screw in studs and guide plates are allowed
o.carburator:2 barrel holley #4412 or 1 quadrajet or rodchester
p.no aluminum heads or bowtie blocks allowed
q.can have after market pulleys
r.engine must be in stock location
a.no racing tires. IMCA Tires Ok. AR (G-60 KK704) ARE OK
b.10" steel wheels permitted
d. beadlocks allowed on right rear only
e.can run 60 series tires no wider than 10"
a.shocks and springs must stay in stock location
b.racing springs and shocks permitted.no weight jacks allowed
c.wheels may be reinforced to prevent loss.plating,washers,or double nuts recommened
d.9" ford rear end permitted.no quick change or 3/4 ton rear ends allowed
e.no quick steers allowed
f.stock steering box and power steering pump for that make of car
a.any and all protests must be made within 10 minutes of the feature race
b.you must finish in the top 5 of the feature to make a protest
a.top half (1 head)$250-$50 to track
b.whole engine(1 head and oil pan)$500-$50 to track