Carolina Truck and Tractor Pullers

Carolina Truck and Tractor Pullers
Carolina Truck and Tractor Pullers
LIGHT PRO STOCK TRACTORS
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All OEM chassis rules (No component chassis allowed), including shielding, safety,
& SFI requirements, apply to this class plus the following rules.
Maximum tire size not to exceed 24.5x32.
Maximum weight 8500 lbs.
No engine larger than 540 cid. (+ or - 1%)
Engine head must be OEM agricultural-type for that brand engine. (No billet)
No overhead cams allowed. Maximum 2 valves per cylinder.
Diesel fuel only. P-7100 injection pump is the largest allowed. (2-5/8”W X 9-9/16”L
X 8-3/16” H main pump body) Only one plunger per cylinder allowed.
Maximum of one turbo, any size may be used.
No inner/after coolers allowed. No CO2 or any other means of cooling the air in the
piping or manifold. No ice filled or ice cooled devices onboard tractor of any kind. All
engine air must enter the inlet of the turbo at ambient air temp & humidity. Inlet air
may not be drawn through or across any type of cooling device.
LIMITED PRO STOCK DIESEL 4x4 TRUCKS
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This class will follow all PPL rules including shielding, safety, & SFI requirements,
apply to this class plus the following rules.
Maximum wheelbase of 172” allowed.
A factory installed pickup bed, aftermarket or custom bed with a solid floor must be
installed.
The turbocharger is limited to a smooth-faced intake housing, maximum of a 3.0”
inlet (no map groove) with all air entering through the 3.0” opening. Intake wheel
must protrude 1/8” inside the opening.
OR;
A 2.6 inducer bore turbocharger. The compressor wheel must protrude into the 2.6”
bore for 1/8”. All primary blades must protrude into the 2.6” bore. The inlet will be
measured using a 2.605” plug, the plug must not be able to enter the inducer bore.
A stock MAP groove is allowed with a maximum width of .200”. All provisions
allowing air into the wheel other than the inducer bore & the MAP groove are
prohibited. No removable bushings, no provisions to alter the inlet bore or MAP
groove are allowed. The driver will be responsible for making turbo accessible for
tech personnel to measure and inspect.
Water injection is permitted. No oxygen carriers or combustion accelerators
allowed, only water soluble oil permitted. All trucks must have a water injection
sampling valve, if no valve exists, the tank supply line will be unfastened to produce
a sample.
SUPER STOCK TRACTORS
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All Super Stock rules, including shielding, safety, & SFI requirements, apply to this
class plus the following rules.
Maximum tire size not to exceed 30.5x32.
Maximum drawbar height for all tractors is 20”.
No overhead cams allowed. Maximum 2 valves per cylinder.
No engine larger than 650 cid. Maximum of 8 cylinders permitted.
Maximum of four turbos, maximum of 3 pressure stages.
Diesel Super Stock Tractors;
A. Tractors with 4 turbos & 3 pressure stages are limited to 540 cid. Maximum
weight of 8300 lbs.
B. Tractors with 3 or less turbos are allowed 650 cid. Maximum weight of 8500
lbs.
Alcohol Super Stock Tractors;
A. Tractors with 2 or less turbos are allowed a maximum weight of 8500 lbs.
B. Tractors with more than 2 turbos are allowed a maximum weight of 8000 lbs.
Pro Stock Tractors:
A. Maximum weight of 9000 lbs.
B. Must follow all other PPL Pro Stock Tractor rules.
SUPER MODIFIED TWO WHEEL DRIVE TRUCKS & PRO MODIFIED 4x4 TRUCKS
(See East Coast)
Sportsman Classes
HOT FARM TRACTORS
East Coast Pullers 466 Hot Farm tractors may compete in this class at a weight of 9500
lbs.
1. All OEM chassis rules (No component chassis allowed), including shielding, safety,
& SFI requirements, apply to this class plus the following rules.
2. All tractors will require a SFI Spec. 47.1 roll cage, ROPS will not be allowed.
3. Engine, sheet metal, transmission, & rear-end must be of the same manufacturer.
4. Maximum weight 9500 lbs.
5. Maximum tire size not to exceed 24.5x32. No Puller 2000, HP, Parkes, or Pro Puller
tires will be allowed.
6. No engine larger than 466 cid.
7. OEM Cylinder Head. No recast, no aluminum. No overhead cams allowed.
Maximum 2 valves per cylinder.
8. Single feed intake & exhaust manifolds must be OEM.
9. Diesel fuel only.
10. A P-7100 injection pump is the largest allowed. (2-5/8”W X 9-9/16”L X 8-3/16” H
main pump body) Only one plunger per cylinder allowed.
11. A single S400 based turbocharger is permitted with a maximum intake wheel
inducer size of 3.0” intake wheel x 3.0” exhaust. Compressor wheel must extend
into the inducer bore and cover the map groove. Factory style map width
enhancement groove is permitted; no other means for air to get to the compressor
wheel are permitted. No billet intake wheels. No ball bearing turbo’s – T-4 flange
only (2.75” X 3.50” bolt pattern). No modifications to compressor wheel or housing
(only to plumb air pipe to intake). Turbo size will be checked using a 3.005” plug. All
turbochargers in this class must be purchased from Bounty Hunter Engineering.
12. Turbocharger buyout rule; In order to keep the class fair & economical, any
competitor’s turbo may be purchased by any other competitor at any time at a price
of $1,700. Failure to sell your turbo will result in automatic disqualification as well as
loss of accumulated points up to that point in the season. A brand new turbo &
gasket kit will be available for purchase at any sanctioned hook for this class at the
price of $1,700 in the CTTP entry trailer. Any competitor who purchases another
competitor’s turbo may return the turbo to Bounty Hunter Engineering for inspection
of internal modification. Any competitor whose turbo is found to be illegally modified
will suffer penalties as found in the PPL rulebook, page 6, #5 of the protest section,
as well as loss of accumulated points up to that point in the season.
13. Water injection is allowed.
14. No inner/after coolers allowed. No CO2 or any other means of cooling the air in the
piping or manifold. No ice filled or ice cooled devices onboard tractor of any kind. All
engine air must enter the inlet of the turbo at ambient air temp & humidity. Inlet air
may not be drawn through or across any type of cooling device.
PRO STOCK 4X4 TRUCKS
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Maximum weight of 6500 lbs.
Front weights may not extend more than 60” from centerline of the front axle. No
loose weights allowed anywhere in the vehicle. Front weight boxes will be rigid &
have a minimum of 8” ground clearance.
OEM frame rails only, no tube chassis allowed.
OEM steel truck bodies only. No flatbeds, no fiberglass or plastic bodies allowed.
Clear plexi-glass, or factory tint glass permitted.
Front tow hitch must be strong enough to pull, push, or lift the vehicle. 3” hole is
required.
No mud flaps or dirt deflectors allowed.
No fuel tanks, fuel lines, pressure gauges, pumps, batteries, cooling system
components or coolant lines allowed in the cab. All hydraulic lines in the cab must
be shielded top & sides with a minimum of .060” aluminum.
Engine must have been available as a factory option in a one-ton or smaller pickup
truck.
Maximum of 600 cid.
Maximum of 2 valves per cylinder.
Aluminum blocks are allowed, factory bore spacing must be retained.
No form of forced induction, no fuel injection systems allowed.
Unlimited single carburetor, dual carburetors are limited to a maximum of 4150.
No sheet metal, or tunnel ram intake manifolds.
Exhaust must discharge vertically, or underneath & straight back.
No computer or programmable ignition controls allowed. Read-only data acquisition
systems will be permitted.
Rear of engine block must be at least 12” behind centerline of the front axle.
19. Driveline is open to any front axle, any rear axle, any transmission, & any transfer
case. No planetaries allowed.
20. Axle shields are required. Shield to be .060” thickness steel or aluminum. Shield not
to be mounted to axle ends or hub bolts. A single hole may be cut in one to allow
locking of hubs.
21. All air or hydraulic suspension systems must have all lines & control switches
disconnected during competition.
22. Hitch must be stationary in all directions. Maximum hitch height of 24”. Minimum of
27% of the wheelbase from centerline of rear axle to hook point. No “trick hitches”
allowed. Maximum drawbar angle of 33 degrees parallel to the ground.
23. DOT approved tires only, no bar or terra tires. No alterations to tires permitted. No
duals allowed. Maximum tire size of 36x14.50 or metric equivalent.
24. All trucks must retain OEM wheelbase, maximum of 158”. Maximum track width of
96”. Wheels must be centered in wheel wells. Rear tires must overlap track of the
front tires a minimum of 2”.
25. All other rules not stated will fall under the Modified 4x4 truck category.
PRO STREET DIESEL 4x4 TRUCKS
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Front weights may not extend more than 60” from centerline of the front axle. No
loose weights allowed anywhere in the vehicle. Front weight boxes will be rigid &
have a minimum of 8” ground clearance.
2. Batteries must be securely mounted, no batteries allowed in the cab of the vehicle.
3. The body must be the OEM truck body including the full bed floor. The complete
OEM firewall & floor pan is mandatory. The body must retain full sheet metal. Metal
aftermarket hoods are permitted. Fiberglass hoods must be shielded on the
underside with sheet metal or aluminum skin a minimum of .060” thick. The hood
must be closed and securely latched while the truck is hooked to the sled. The
complete OEM firewall and complete OEM floor pan is mandatory. A factory
installed pickup bed or commercial aftermarket bed must be installed, no custom or
home-made beds allowed.
4. Front wheel hydraulic brakes are mandatory.
5. The OEM chassis is mandatory. The engine must be in the OEM location for the
body used. The vehicle must retain the full OEM chassis. Wheel tubs, back half
conversions, tube chassis, etc. are prohibited.
6. Radiators must be in stock location and coolant MUST circulate through the block
and the head.
7. Use of any compressed gases is prohibited. (Nitrous or propane or any other)
8. An OEM transmission and transfer case are mandatory. They must have been an
option on a one ton or smaller pickup.
9. All trucks must have at least 6” wide u‐joint shields around the rear u‐joint
constructed of at least 5/16” steel or 3/8” that will safely contain the u‐joint and the
end of the rear driveshaft. All shield must be securely mounted to the vehicle. Any
front shaft u‐joint that is visible from the side of the truck must be shielded to
contain the u‐joint and the end of the shaft.
10. The engine is limited to a stock appearing, OEM compression engine, available
from the factory in a one ton or smaller truck. Cubic Inch limit of 460 cid. Water
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pumps may be electric or factory. Electric cooling fans are permitted. No deck
plates allowed.
All vehicles must be equipped to direct exhaust upward. The exhaust must exit
rearward of the driver’s compartment. Stacks exiting through the hood or fender
wells are prohibited. Two (2) 3/8” diameter bolts must be installed through exhaust
pipe in a cross pattern within 1” of each other, within 12” of the turbo.
A fire extinguisher system is permitted. 2.5 lb. fire extinguisher must be securely
mounted.
Diesel fuel only. Racing style fuel cells are permitted, must not be located in the cab
of the vehicle.
Maximum of one P-7100 injection pump limited to one plunger per cylinder. The use
of multiple high pressure common rail fuel pumps is legal. Powerstroke engines
may utilize a second HPOP. No sigma, or 12 cylinder pumps allowed. Hand
throttles are permitted.
All engines must be equipped with a harmonic balancer or dampener meeting SFI
Spec 18.1.
Hook point to be no closer than 44” of centerline of rear axle, hitch height maximum
of 24”, with a minimum of 3.75X3.0” opening. Hook point must be easily accessed.
No “trick” type hitches permitted. Hitch must be stationary in all directions. Hitch
must be frame mounted. Hitch must be centerline of rear axle or behind. Hitch must
not exceed a maximum of 25° angle from pivot point to hook point. No hitch
supports or adjusters fastened to the rear axle housing shall be above the
centerline of the rear axle. Pivot pin of drawbar can be no farther forward than the
centerline of the rear axle.
Air to air intercoolers only, no types of water to air coolers. No CO2 or any other
means of cooling the air in the piping or manifold. No ice filled or ice cooled devices
onboard the vehicle of any kind.
No individual runner intake manifolds allowed. (Example ZZ custom) Side draft &
aftermarket intake manifolds are permitted.
All trucks must have an air guillotine of the spring loaded type, no butterfly type to
kill the air intake to the engine which is located on the back of the truck, located
near the hooking point.
Non OEM rear-end housings are prohibited. The rear end housings must have been
for a one-ton or smaller pickup. Axle shields are required. Shield to be .060”
thickness steel or aluminum. Shield not be mount to axle ends or hub bolts. A hole
may be cut in one to allow locking in of hubs.
The vehicle must retain the full, original OEM steering gear box. Additional
stabilizers are permitted. Non OEM power assist methods are permitted.
Suspension - Front: The factory suspension configuration must be retained. The
upper mounting point for strut assemblies must be in factory location. Adjustable
caster/camber pillow ball mounts are permitted. The lower control arm may be
strengthened provided factory mounting points are maintained. The lower mounting
point for the strut assembly may be modified for improved caster and camber. Strut
tower braces, lower tie bars, sway bars, and limit straps are permitted. Traction bars
and devices are permitted. Air shocks are prohibited.
23. Suspension - Rear: An OEM style rear end is mandatory. Traction bars and devices
are permitted, and welds are permitted for attachment to the frame or axle housing.
The rear suspension may be solid. Air bag spring assist and air shocks is
prohibited.
24. DOT approved tires only, no bar or terra tires. No alterations to tires permitted. 35”
maximum.
25. Non - OEM transfer cases are prohibited. It must have been an option on a one ton
or smaller pickup truck.
26. Transmission - Automatic: Non - OEM transmissions are prohibited. Aftermarket
torque converters, valve bodies and internal components are permitted.
Transmission brakes are prohibited. Any non - OEM floor mounted automatic shifter
must be equipped with a spring-loaded positive reverse lockout device to prevent
the shifter from accidentally being put into reverse. A functional neutral safety
switch is mandatory. Vehicle must not start in gear. All transmission lines must be
metallic or high pressure type hose. All vehicles must be equipped with a
transmission shield meeting SFI Spec 4.1 and must be labeled accordingly. A
blanket type shield is permitted, it must be appropriately labeled as meeting SFI
Spec 4.1 and it must extend from the rear of the engine block and extend rearward
to the transmission with a minimum of six (6”) inch overlap where it is fastened. All
non-blanket shields must incorporate two,(or one per manufactures instruction) 3/4"
by 1/8” straps that bolt to the shield on each side and pass under the transmission
pan unless the transmission pan is labeled as meeting SFI Spec 4.1. All vehicles
must be equipped with a flex plate meeting SFI Spec 29.1 and be covered by a flex
plate shield meeting SFI Spec 30.1.
27. Transmission - Manual: Non - OEM transmissions are prohibited. A clutch meeting
minimum SFI Spec1.1 or 2.1 is mandatory. All manual transmissions must be clutch
assisted. Sequential shifters are prohibited. All vehicles must have a flywheel shield
labeled as meeting minimum SFI Spec 6.3 or greater. Applications for which an SFI
Spec flywheel shield is not available may use a properly attached SFI 4.1 or 4.2
blankets that completely cover the bell housing. It must be attached to the rear of
the engine block and extend rearward to the transmission with a minimum of six (6”)
inch overlap where it is fastened. All transmissions or clutch pedals will have a
safety interlock switch so that vehicle will not start in gear.
28. Turbocharger: T-4 mounting flange is the largest allowed. May be 2.5” with a MWE
groove allowed, or a 2.6” smooth bore (no MWE allowed).
A. Turbos must be a true 2.5” charger, no clipped wheels or step down covers. A
single .200 inch MWE groove maximum allowed, it must be in the neck of
inducer bore behind face of the wheel in 2.5” area, no forward facing MWE
grove. Inducer bore must be non-removable. All air must go through the 2.5”
inducer bore and the MWE groove. The wheel must protrude into the 2.5” bore
1/8”. Turbo will be checked with a 2.550” plug or internal calipers. Throat area of
compressor cover may not exceed 5.5” diameter.
B. Turbo is limited to a 2.6” inducer bore, must be smooth bore, no MAP Width
Enhancement (MWE) groove allowed. Compressor wheel must protrude into
2.6” bore for 1/8”. Bore will be checked with a 2.605” plug, must not be able to
enter inducer bore & contact compressor wheel.
The 6.4 liter Powerstroke engines may utilize the factory twin-turbo configuration
with no alterations/modifications to bore/housing or wheel. 6.4 Powerstrokes will be
permitted to run modified turbos, as long as the atmosphere turbo does not exceed
the OEM straight bore dimension. (2.59”) No TAPERED COVERS will be permitted.
The driver will be responsible for making turbo accessible for tech personnel to
measure and inspect.
29. Water injection is prohibited. All system components must be removed from truck.
30. The vehicle must retain the original factory wheel base and track width. Cab and
chassis trucks may not exceed 172” center to center of axles. Front dual-wheel
spacers may be used only with accompanying positive-offset dually style wheels.
31. All other rules not stated will fall under the Limited Pro Stock Diesel 4x4 Truck
category.
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