1. All general rules apply.
2. Engine Limitations.
A. Diesels: 4-Cycle, one turbo, or maximum 1700cc twin 2'' turbo, or procharger.
B. Single engine naturally aspirated, or carbureted Maximum 4 Cylinders.
C. 4- cycle 1640 or less may have a turbo or supercharger, Fuel injected, Single Cylinder.
3. Superchargers on 1640 Single Cylinder only.
4. Engines running turbo’s need head restraints at least 5/16” cable.
5. All turbo’s maximum 2” inlet and 2” outlet measured at the wheel with 4 3/8” bolts 1” from turbo position of exhaust installed at 90 degrees to each other.
6. Diesels require air shut off to kill engine or to keep it from building boost.
7. Billet steel or aluminum flywheel is required or a scatter blanket, or blow proof bell housing if running bell housing has to run 1/8” steel or ¼” block saver plate.
8. Maximum length is 8 ft, from center of rear axle or furthest point forward, maximum width center to center is 4 ft.
9. Rear fenders must support driver’s weight and cover 50% of rear tires.
10. Must be at least 16 years of age to operate in the 0utlaw class or AMPI board discretion.
11. Shielding: 1/8 inch steel ¼ inch aluminum. Shielding will run from the top of the cylinder to the bottom of the crankcase on both sides. On the front and rear on cross mounted motors. Shields must be bolted to the frame, has to cover the top of oil pan to bottom of the head full length of block.
12. Exhaust must discharge vertically.
13. Tires not to exceed 26x12x12
14. Max drawbar height of 13” on dirt and Black top, subject to change
15. All exposed turbo’s must be shrouded 360 degrees with minimum 1/16” steel except for inlet and outlet.
16. Automatic transmissions must have scatter blanket or 360 degree shielding and reverse gear lockout. Unless Transmission is SFI Approved
17. No Inner Coolers.
18. All Harmonic balances have to either be SFI approved or 360 degree shielding & guarding bolt can't come out of crankshaft.
19. Wheelie Bars must include vertical push bar minimum of 10 inches to ground but can't interfere with hooking and unhooking.
20. All Limited Outlaw Class drivers must wear helmets and fire suits zipped and strapped.