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Southwest
Nebraska Mini Trucks
2006
Revised Rules as of 2/4/2006
DISCLAIMER: The rules and/or regulations set forth herein are designed to provide for
the orderly conduct of racing events and to establish minimum acceptable
requirements for such events. These Mini Trucks, McCOOK Speedway rules
shall govern the condition of all Mini Truck events and by participating
in these events, all participants are deemed to have complied with these
rules. They are intended as a guide for the conduct of the sport and are
in no way a guarantee. Mini Trucks is strictly a novice class emphasizing
the basic rules for all drivers. The Southwest Nebraska Mini Truck
Association requires a $25 fee from each driver and shall be paid prior to
the first race. Checks to Southwest
Ne. Mini Truck Association, c/o Leelan Bieker 1105 Norris Ave. McCook, NE
69001.
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1.
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COMPETING MODELS -
ELIGIBILITY
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A.
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Any American or foreign made small
pickup 1993 or older.
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B.
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No convertibles, station
wagons, jeeps, sedans, etc.
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C.
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Rear wheel drive only. If using a
4-wheel drive pickup, the front drive shaft must be removed.
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D.
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Minimum wheel base 103 inches, both
sides of truck must be same wheelbase.
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2.
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ENGINES
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A.
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STOCK Four- (4) cylinder
engines only. Must be in stock location.
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B.
C.
D.
E.
F.
G.
H.
I.
J.
K.
L.
M.
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Block numbers and head numbers must
not be removed.
2300 CC Maximum.
No stroking, no turbo, no
superchargers.
No roller lifters. All engines must
use hydraulic lifters
Must run stock size valves with
single springs.
Must use stock cam. No after market
cams. No high lift cams.
Stock rod. no offset bushings in
commection rod wrist pins.
Stock style flat top pistons.
Vacuum should b a minimum of 16"
@ 800 RPM (=/-) 100 RPM. Compression will be within range of
factory specifications
Stock ignition. stock starter in
stock location.
Smog equipment may be removed.
Solid motor mounts may be used.
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3.
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CARBURETOR
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A.
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Stock carburetor for model and year
of competing pickup. removal of choke is allowed. Holly
jets allowed, throat of carburetor must not be polished.
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B.
C.
D.
E.
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Fuel injection permitted if car
came originally equipped as fuel injected. If equipped with
electric fuel pump, make sure pump is wired through oil
pressure switch. If vehicle is not equipped with a switch, it
must be added.
If engine was converted from fuel
injection to carburetor, carburetor used must be a stock
carburetor from an earlier pickup of same or comparative
model.
No marine carburetors, no holly
carburetors, no aftermarket high performance carburetors.
1/2 inch spacer between carburetor and
intake will be allowed.
(Restrictor plate will not be
enforced until testing has been completed)
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4.
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FUEL SYSTEMS
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A.
B.
C.
D.
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Maximum
16 gallon fuel cell.
Fuel
cell will be inside a steel container and affixed to floor of
pick-up bed. It shall be mounted directly above the rear axle,
centered between wheel wells in box of truck. Cell must be
mounted with 2 straps .125 inch thick and 2 inches wide completely
around the cell.
Tip
over valve is mandatory. Anyone found without tip over
valve will be suspended for two weeks.
Racing
fuel allowed, NO additives, boosters or alcohol.
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5.
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COOLING SYSTEM
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A.
B.
C.
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One stock OEM radiator or Aluminum
in stock
location. You may fabricate a hoop in front of the
radiator not to exceed 2 inches outside diameter of the
radiator or to exceed height of radiator. Maximum 1 3/4 .095
wall thickness.
Stock OEM water pump.
Electric fans allowed No
Squirters.
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6.
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ELECTRICAL
SYSTEM
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A.
B.
C.
D.
E.
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One 12 volt battery only. Battery may
be located in bed area just behind
cab.
Battery must be in a secure tray and
inside a marine type plastic case.
All stock wiring should be removed,
and racing type harness used.
stock key switch is permitted, but we
recommend the use of an aftermarket switch with push-button
for starter. Whether you use key switch or aftermarket switch,
switch must be clearly marked on and off for safety personal.
Mandatory Battery shut off switch,
located in the left upper dash area, accessible to driver and
track officials.
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7.
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EXHAUST
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A.
B.
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Stock exhaust manifold and header
pipe required.
Aftermarket Header pipe must extend past rear of
cab and exit to side of box.
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8.
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BODIES & INTERIORS
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A.
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Complete stock from original
design of make and model
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B.
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Rear Spoilers permitted, maximum 5" tall,
no sharp edges.
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C.
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Wheel wells may be
cut for tire clearance. Subject to tech approval
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D.
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All glass, windshield, doors, and
rear must be removed. All plastic or fiberglass trim around
headlights and tail lights must be removed. Windshield
opening and rear window opening must remain stock size. Brake
pedals and clutch pedal must remain stock and in stock
position. No after market brake or clutch pedals.
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E.
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Plastic front nosepieces
allowed. Ground skirts, metal or plastic, maximum
of 8 inches will be allowed for appearance purposed. No
hood scoops allowed. No holes allowed in hood.
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F.
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Dash may be removed, but must be
replaced with sheet metal. IF you remove the dash you must tie
the front down bars of roll cage together and use this tie bar
as a dash bar to attach sheet metal. Cockpit area can be
covered with sheet metal, but sheet metal may not exceed above
the bottom of the passenger side window
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G.
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Floorboard covering such as
carpeting, door panels, headliner, and insulation must be
removed. Holes in firewall, floor and back of cab must be
cavered with metal.
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H.
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Front seat must be removed, and
replaced with approved aluminum high back racing seat.
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I.
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Doors and tailgate must be
welded or chained shut, Tailgates may be fabricated from steel
or aluminum sheeting.
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J.
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1x2 inch rub rails from rear of front
wheel wells to front of rear wheel wells at widest point of
body will be permitted. These will be drilled and mounted in a
way that there will be no bolt heads outside of the rob rail.
Rub rails are for body protection only. The use of rub rails
to nerf another truck will result in a black flag and a $100
fine.
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K.
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All interior sheet metal other than dash
will remain intact. kick panels, netal headliners, etc. Door
panels may be cut out for door bars.
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L.
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Stock hood latch and safety latch
must be removed. Rear hinges may be removed if desired. If
removed hood must be held in place by 4 hood pins, 1pin at
every corner. If not removed, hood must be held in place by 2
hood pins, 1 at each corner of the front of the hood. If you
build a lift off hood please attach grab handles to help
in removal of hood.
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M.
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Hood must retain all bracing. Hoods
may not be gutted to just sheet metal.
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N.
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No camper shells, T
tops, moon roofs, or rifle racks allowed.
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9.
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APPEARANCE/NUMBERING
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A.
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All trucks must be neatly and
brightly painted
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B.
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All
trucks will display a two (2) digit number series (00 - 99)
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C.
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Numbers will be a minimum of 20
inches tall and 4 inches wide per digit on side of body and
roof. Numbers will be 6 inches tall and 2 inches wide per
digit on left side of rear tailgate and on panel where right
headlight would normally be.
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D.
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Advertising or names of any
kind is allowed.
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E.
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Advertising or lettering that is
deemed unsuitable/offensive will not be allowed. Decision of
promoter or officials will be final
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10.
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BUMPERS
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A.
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Front bumpers may be fabricated, 1
3/4 .095 inch tubing maximum. Bumpers must be capped to front fenders to
eliminate hooking.
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B.
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Rear bumpers may be stock or
fabricated. If fabricated maximum 1 3/4 inch tube,
Fabricated bumpers must be 2 inches
narrower than fenders on each side of body. Fabricated bumpers
must be hollow and have inspection holes, 1/8th inch, for tech
inspectors to check for hollow. Ends must be capped and have
no sharp edges. Rear bumpers will be mounted in stock
location.
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12.
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FRAMES
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A.
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Stock frames only, Frame must match
body. No modification of frames to shorten or lengthen. No
cutting of frame or replacement of frame with any other metal
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B.
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Frames must maintain a minimum of 6
inches ground clearance at all points of the frame.
Measurements will be from bottom of frame rail to ground.
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C.
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Any sparking or dragging of any part
may be cause for immediate black flag. You will not be allowed
back on the track until the problem has been fixed and checked
by an official. Any liquid coming from the real could indicate
fuel leakage which is a serious safety item. Failure
to leave the track within 2 laps of receiving the black flag
will result in immediate disqualification from the nights
racing.
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13.
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SUSPENSION
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A.
B.
C.
D.
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Stock OEM
parts only.
Rubber bushings
only, no plastic or neoprene bushings.
Stock shocks in
stock location. no racing shocks. one shock per wheel. load
leveler or overload coil over shocks are allowed as long as
they are not adjustable. No air shocks.
Stock springs in
stock location. One spring per wheel. No aftermarket racing
springs.
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14.
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STEERING
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A.
B.
C.
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Stock steering boxes for all makes
and models. No modifications.
Aftermarket steering shaft and quick
disconnect steering wheel allowed, but must be in stock
location.
Steering quickners allowed.
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15.
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REAR ENDS, TRANSMISSIONS,
CLUTCHES, FLYWHEELS
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A.
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Stock rear ends required. Must be in
stock location with springs and shocks in stock location. Any
gear ratio is allowed. rear end may be locked.
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B.
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Stock transmission required. All
forward and reverse gears must be in working order at start of
race. Automatics or manual transmissions allowed no matter
what was in pickup when on street. Manual transmissions
should have blanket or scatter shield over clutch. Automatics
should have flex plate between bell housing and engine.
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C.
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Stock factory OEM clutch required if
running clutch. Mo aftermarket or racing clutch assemblies
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D.
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Stock factory OEM
steel flexplates and flywheels, No aftermarket or lightened
flexplates or flywheels. Any indication of machine work to
lighten flexplates or fly wheels will result in
disqualification and loss of all points for year and 2 week
suspension.
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16.
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WHEELS, TIRES, BRAKES
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A.
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Steel wheels only, maximum of 8
inches wide. Any offset is allowed as long as tire does not
exceed 3 inches outside of body.
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B.
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All 4 tires and all 4 wheels on the
pickup must be same size.
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C.
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No wheel spacer allowed
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D.
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Maximum tire size is G-60-15.
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E.
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No mud/snow tires, no recaps and no
studded tires. no dual air valves, no bleeder valves. The only
racing type tire allowed is the IMCA American Racer G-60, or
IMCA Hoosier G-60..
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F.
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No siping, softening or grooving of
tires allowed. Penalty for this is immediate disqualification.
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G.
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Stock brake systems for all trucks.
Master cylinder must be in stock position. No proportion or
brake shut offs allowed. No anti-lock brakes allowed. All 4
brakes must lock up on demand. Steel brake lines only.
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17.
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ROLL CAGE
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A.
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4-point Main Cage will be required.
Minimum 1 3/4 inch OD tubing with .095 wall strength. 1
3/4 inch OD is recommended and will be standard in 2006.
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B.
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Cage will either be attached by
welding to frame or by welding to 4 x4 inch steel plates and
bolting to floorboard with four 1/2 inch blots with locking
nuts.
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C.
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Rear of cage will have an X brace
consisting of one horizontal bar and one vertical bar.
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D.
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Top of cage will have a halo bar either
from side to side or front to back.
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E.
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Door bars required. three bars as
parallel to ground as possible of the drivers side. Attached
to front and rear down bars and tied together for strength.
Two bars as parallel to ground as possible on passenger side
and tied together for strength. Drivers side steel plate
required. 18 gauge or .049 minimum thickness, must be securely
welded to outside of door bars. Plate must cover area from top
of door bar to bottom door bar and from rear hoop down post to
5 inches in front of drivers seat.
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F.
G.
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Two bars will pass
through rear window to truck bed. Welded to top of roll cage
and bolted to plate of truck bed or welded to truck bed. These
bars may not exceed past front of wheel wells in bed. These
bars are for aesthetic purposes only .
We recommend a good
welder for the installation of the roll cage. If we feel the
welds or the cage itself are not safe the track has the right
to not allow an unsafe pickup on the race track.
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18.
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MINIMUM WEIGHTS
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A.
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No minimum weight at this time.
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B.
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Any added weight must be mounted some
where in the truck bed. It is choice of the driver where to
add weight.
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C.
D.
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Any added weight must be painted
white, have truck number on the weight in black, and be
attached to bed of pickup with two 1/2 inch bolts with a
backing plate on under side of box and lock nuts or safety
wire to insure weights do not come loose.
Any added weight must be lead and be
no smaller than 10lbs. No heads, machinery weight etc may be
used as weight.
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19.
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SEATS, SAFETY, BELTS, AND OTHER SAFETY
EQUIPMENT
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A.
B.
C.
D.
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All trucks must be equipped with a
high back aluminum racing seat, and cover. This seat must be
bolted to the roll cage not the floor.
Safety belts will be a 5 point racing
harness with sub strap or the new style 6 point safety
harness. All parts of the belt system will be connected
together when on the track and will remain fastened until
checked by the tech person in tech area, or the driver parks
in his pit
Helmet required at all times when the
pickup is on the track. Helmet should be a Snell 95 or newer,
in good condition, full face or open face helmet. Full face
shield is required with either helmet. Helmet must remain on
driver until checked in tech area or in his pit.
Gloves and neckbrace are required.
SFI certified is recommended. These will also be worn until
checked in tech area or in pit.
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20.
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INSPECTIONS
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A.
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All trucks are subject to
inspection by Officials at any time and in any manner
determined by track officials. All decisions regarding the
timing and manner of inspections, as well as which trucks will
be inspected, are final. Any one who refuses an inspection
of his equipment will be disqualified and not allowed back on
the track for 1 year.
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B.
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A competitor must take whatever
steps requested by a track official, including teardown of the
truck, to facilitate inspection of the truck.
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C.
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only the driver and owner of the
truck may enter the inspection area. Only the driver may speak
to officials.
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OTHER GENERAL REGULATIONS
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All equipment is subject to
approval of McCOOK speedway officials. No equipment will be
considered as being approved because of having passed through
inspection for any number of times. If you have been using an
illegal part or parts for any number of times and have not
been caught... consider yourself lucky to that point. However,
once you are caught, all rules governing the illegal part will
be immediately enforced.
For anyone caught with illegal
or modified engines or suspension components there will
be immediate disqualification, loss of your prize money,
points for that night, and confiscation of illegal parts. Any
refusal to comply with inspection requests or confiscation of
parts in question will result in suspension of the driver,
car, & owner for three 30 days and a fine of $500.00
dollars. The promoter has the right to change rules for the
betterment of the class, and will post any changes prior to
enforcing them. This class is designed for entry level, INEXPENSIVE
racing. After the 2005 season, all participates will
have the opportunity to voice and vote on upcoming rule
changes.
These rules updated
February 4, 2006 at McCook, Nebraska
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