SUPER
MODIFIED DIESEL
o
Weight limit is 8000 lbs.
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Any diesel engine is allowed.
Unlimited turbos or superchargers.
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Nitrous oxide, propane, water and alcohol injection are
allowed not to exceed 200 HP.
o
Mechanical or electronics fuel injection permitted.
o
Front disc brakes are mandatory.
o
Aftermarket transmissions are transfer cases are allowed.
An SFI 4.1 approved or better, full-length safety blanket must
cover all automatic transmissions.
o
Bell housing must be SFI approved.
o
Exhaust must have either two 7/16” diameter bolts placed
through the pipe perpendicular to each other, or a screen of the exact
pipe diameter placed in the pipe(s) somewhere after the turbocharger(s).
Exhaust(s) must exit either straight up or straight down.
o
Wheelbase shall not exceed 154”.
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26” maximum hitch height.
o
The hitch must be rigid in all directions and solidly
mounted to the frame.
o
Only pulling tires will be allowed.
Maximum 112”.
o
Hanging weights are allowed but cannot extend more than 60
inches from centerline of front axle.
No loose weights in cab or under the hood will be allowed.
All weights will be secured.
o
All trucks will have a 360 degree metal shield around the
universal joints, 5/16” steel or 3/8” aluminum.
Minimum width to be 6 inches.
Clearance should not exceed 2 inches between shield and universal
joint. Shield should not be butt-welded or seam-welded.
o
All trucks must have three (3) round metal loops shielding
on each drive shaft. A
two-piece drive shaft must have 6 loops.
A 360-degree loop must be a minimum of 3/8” wide or wider, and
not more than 2 inches from the shaft in any direction.
End loops must be placed no farther than 6 inches from universal
joints, with a third loop in the center of the shaft, or it can be a solid
tube (5/16” steel or 3/8” aluminum) meeting the above requirements.
No cast metal is permissible.
o
From the point of the hook to the centerline of the rear
axle shall be no less than 36% of the pickup or van wheelbase.
o
Safety hitch is required.
o
Axles and hub bolt shields are required on all rear ends
unless it is a planetary drive rear end.
The minimum of 1/16” (0.060) thick steel.
The hub bolts should be shielded on both front and rear axles. The mounting shield cannot be mounted to the axle end or the
hub bolts. A hole may be
installed in the center of the front shields so the lock can be operated,
so long as the hub or axel bolts are covered.
o
Vertical bumpers are required to prevent the vehicle from
passing over the buck board of the sled while backing up to the hook or in
hook. Bumpers must be of rigid construction.
o
A neutral safety switch light system is required on all
pulling vehicles. A white
light, automotive quality, minimum 2 inches in diameter, must be mounted
directly above or below safety kill switch at the rear of
the vehicle. A light
in the drivers compartment must be operated off the same system.
Both lights are to be activated by the shift lever so the lights
will be lit only when the vehicles is in neutral.
o
Air and fuel shutoff’s required-consisting of (1) cable
switch to the rear of the truck to be operated by the sled, and also a
cable/switch inside the driver’s compartment.
o
Solid suspensions are allowed.
o
All drivers must wear a minimum SFI spec approved fire suit.
o
Seat belts and helmet, minimum snell 75 are required.
o
A fire extinguisher in working condition is required to be
within easy reach of the driver.
o
All standard safety construction rules apply
o
RMPA general rules apply.
