Official Rule Book - Lucas Oil Regional Off Road Racing

E. Any steering wheel may be used.
F. Tie rods may be replaced by heim joints.
FS- 13 Brakes
FS-14 Weight
A. Drum brakes can be converted to disc brakes using factory components only.
A. 4 wheel drive trucks must weigh at least 4000 pounds.
B. 2 wheel drive trucks must weigh at least 3750 pounds.
C. Minimum weights are measured including driver as they come off track.
D. Minimum weights may be measured before going on track as well.
FS-15 Engine
A. No aluminum heads of any type are allowed. Only OEM cast iron heads are allowed.
Aftermarket heads, to include Ford Racing, Mopar and GM Performance Parts are not
permitted.
B. Engine block must be OEM production cast iron block. Aftermarket blocks, to include Ford
Racing, Mopar and GM Performance Parts blocks are not permitted.
C. Maximum engine size is 360 cubic inches. Displacement formula for technical purposes is
(Bore/2) x (Bore/2) x 3.14159 x Stroke x # of cylinders. All measurements are made in
inches and rounded to the nearest thousandth.
D. Commercially available aftermarket cast intake manifolds are allowed. No external
modifications are allowed on the intake manifold. No fabricated intake manifolds are allowed.
E. Any fuel pump and fuel pressure regulator may be used.
FS-16 Oil System
A. All trucks with an electric fuel pump must have power to the fuel pump routed through an AC
Delco low-oil-pressure switch (AC DELCO #25036938) to cut off power to the fuel pump in
the event the engine stops.
B. Any oil coolers, if used, must be located outside of the cab, and between the frame rails.
C. No oil lines are allowed inside the cab.
FS-17 Electrical
A. Battery may be relocated, but must not be inside cab.
B. All vehicles must have a master on/off switch wired to the battery in a manner that will cut off
all electrical power and the engine.
C. Master switch must be labeled, have a red circle around it, be located on the left hand side of
the dash panel and must be accessible from the outside of the race vehicle. Red circle must
be at least 1 inch wide.
D. A working stock OEM alternator for the make and model of truck is required.
E. A momentary switch is allowed for priming fuel system while engine is not running.
FS-18 Engine Exhaust Systems
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