4x4 TRUCK PULLERS
www.westernwisconsintruckpullers.com
2007 CLASS RULES 2007
IMPROVED STOCK (5500 & 6200 lbs CLASSES)
1) Motor must match pickup make.
2) OEM fuel systems only. EFI allowed, factory cast
(OEM) heads only.
3) No weight bars on front. Vehicle must have front
bumper, and weight added must be in the pickup box.
4) No solid or blocked suspension or ladder bars. Must be
on springs. Lift kits allowed. Must use stock frame and running gear.
5) Must pull from rear bumper or trailer hitch.
6) Must be licensed. No class jumping allowed.
7) 480 cubic inch limit.*
Dual plane intake only, no air gap type intake manifolds allowed. Roller
rockers are acceptable. Engine must create 15“ Hg vacuum or greater
at 1200 RPM. No carburetor spacers allowed.
* An exception to this rule is if vehicle was originally equipped with a GM 8.1 liter or Dodge 8.0 liter engine, these will be allowed.
8) Vehicles must run pump gas (92 octane or less)..
9) Vehicles must have a full-length exhaust system with
muffler(s), 3” diameter max. Headers are allowed, but must be inside of
frame rails.
10) No Profab-type transmission conversions allowed.
11) Vehicle must have DOT approved tires, no larger than 33 inch.
PRO STOCK (5500 lbs. & 6200 lbs. CLASSES)
1) Trucks must have
2) May run one 4-barrel carb, and aluminum intake.
Must have cast iron heads and block. Motor must match pickup make.
3) No solid or blocked suspension or ladder bars. Must be
on springs. Lift kits allowed. Must use stock frame and running gear.
4) 480 cu. in. engine limit! No alcohol fuel or
Dominator carbs allowed. Must be naturally aspirated
5) Vehicle must have mufflers. Exhaust must exit
past the driver‘s compartment.
6) Must have full box or D.O.T. legal flat bed, no cut
out boxes!
7) Must have four-wheel brakes, and working brake and
reverse lights.
8) Hitch rules: refer to rules 5 & 6 in the General
Rules. Hitch must extend beyond rear of the truck. No short hitches!
9) Radiator and front grill must be in the stock location.
STREET MODIFIED (5500 lbs. & 6200 lbs. CLASSES)
1) Trucks must have street legal tires. No bar or
tractor tires. Tires must have D.O.T. numbers to be legal.
2) May use one 4-barrel carb, and aluminum intake.
Headers may protrude through the hood.
3) 530 cubic inch limit on engine displacement.
4) Motor must match pickup make and be behind the stock
grill location.
5) Four motor mounts or torque chains required on
motor. Motor must be naturally aspirated.
6) Driver must wear a SFI fire suit (jacket and
pants). No nitrous oxide or alcohol allowed.
7) May use military/commercial axles in rear only.
8) 30% hitch mat be used, axle center to hook point. Please also refer to rules #5 and #6 in the General rules.
FWD MODIFIED (5500 lbs. & 6200 lbs. CLASSES)
1) Four motor mounts or torque chains required on motor,
and must be behind the stock grill location.
2) 650 cubic inch limit on engine displacement.
Motor must be naturally aspirated.
3) Must use bar/tractor type tires only. No D.O.T.
tires allowed.
4) Driver must wear a SFI fire suit (both jacket and
pants) and a helmet.
5) Hitch must extend beyond rear of the truck.
OPEN CLASS 4000 lbs.
1) Four motor mounts or torque chains required on motor.
2) Driver must wear a SFI fire suit (both jacket and
pants) and a helmet. Any tires legal. Any type of suspension allowed.
3) Must have hood, front fenders, doors, box sides or
legal type flat bed.
4) No bare frames allowed. Engine must be within
engine compartment.
5) For safety reasons, hitch must extend beyond rear of the truck.
1) No motor swaps allowed. Gas engines only
2) No weight bars on front of vehicle; must have front
bumper, and weight added must be in pickup box.
3) Must pull off of rear bumper or trailer hitch.
4) Must be licensed. Lift kits allowed.
5) Truck can only pull in the “Stock Class”. No jumping
to other classes.
6) Trucks must have working brake and backup lights.
STOCK
CLASS MEANS STOCK TRUCKS, NO MODIFICATIONS.
STOCK DIESEL
1) No weight bars on front; must have front bumper, and
weight added must be in pickup box. Dual tires allowed.
2) Must pull off of rear bumper or trailer hitch, and be
licensed.
3) Maximum of one turbocharger allowed.
4) No aftermarket intake manifolds, no aftermarket
turbochargers.
5) No added pressurized fuel additives allowed.
This includes LP and nitrous.
6) Trucks may be inspected before being allowed to pull.
STOCK CLASS MEANS
STOCK TRUCKS, NO MODIFICATIONS.
WESTERN WISCONSIN TRUCK
PULLERS reserves the right to pump
any vehicle in that class that places. WESTERN WISCONSIN TRUCK
PULLERS will also pump a vehicle at the request of 3 (three) pullers in
that class. Protesting drivers will each put up $25 of which $30 will go
to the "owner" of the pump. The balance going to the vehicle
being pumped if found to be legal. If found not to be legal, the
balance will be returned to the protesting drivers. The protest must be lodged
at the end of the run before vehicle leaves the track and before the class pay
out is made. In both cases, if the vehicle is found to be illegal or
refuses to being pumped, the vehicle WILL BE DISQUALIFIED AND NO PAYOUT
MADE. The vehicle also will not be allowed to compete at any
future
WESTERN WISCONSIN TRUCK PULLERS is governed by the Executive Council, made up of
appointed representatives from each of the classes. The council will address
any or all concerns pertaining to the rules of
|
Class |
Representative |
|
Pro Stock |
Gary Thom |
|
Street Modified |
|
|
Modified |
Brad Johnson |
|
4000 |
Scott Jones |
|
Modified * |
Dan Brzozowski |
|
4000 |
Ben Loutsch |
|
Diesel |
Jeff Johannsen |
|
Improved Stock |
Rich Shelby |
|
* Denotes council president |
|