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Home > Exhibitors > Premium Guide > Department 22 > Department 22 - Truck Pulls

Department 22 - Truck Pulls

Saturday, August 1 - 5:00 p.m.
Gates open at 3:00 p.m./Scales open at 4:00 p.m. Pit Gate Closes at 8:00 p.m.!
Participants will pay the "Pay One Price" fee at the outer gate plus a pit fee of $16 at the pit gate. (This includes the hook fee.)
CO-CHAIRMAN: Troy Mickle and Jason Mickle
PRESENTED BY ORLO INK TRUCK PULLERS
PREDATOR PULLING SLED owned and operated by John C. Creasy will be the sled used for this event.
Showroom/local trucks are welcome and will start off the night!
GENERAL RULES:
Please be sure to read all of the rules!
Rule enforcement subject to Listie Fire Company Rules.
**All gas and diesel showroom trucks (including small/big block street) must present owners and insurance cards.
This is a NON POINTS pull open to all entries.
Information contact phone number - 814-442-3262
ANYONE (puller, crew member or family member, spectator) who has a complaint will talk to a TRACK OFFICIAL, NOT to the REGISTRATION STAFF!!
Safety is highly stressed!!!
Pull at your own risk!!!
Not responsible for accidents!!!
Positively no alcoholic beverages!!!

Section 1

Classes - Truck Pulls

6500 LB. GASOLINE CLASSES
1 Absolute Showroom (Trophies 1st-5th)
2 Small Block Showroom - 410 cubic inch & smaller ($50, $40, $30, $20, $10)
3 Big Block Showroom - 411 cubic inch & bigger ($50, $40, $30, $20, $10)
4 Small Block Street - 410 cubic inch & smaller ($50, $40, $30, $20, $10)
5 Big Block Street - 411 cubic inch & bigger ($50, $40, $30, $20, $10)
6 Small Block High Output - 435 cubic inch & smaller ($100, $80, $60, $40, $20)
7 Big Block High Output - 436 cubic inch & bigger ($150, $120, $90, $60, $30)
8 2 Wheel Drive - 7500 lbs. ($100, $80, $60, $40, $20)
8000 LB. DIESEL CLASSES
10 Showroom/Street Diesel (Trophies 1st-5th)
11 2.5 Street Diesel ($50, $40, $30, $20, $10)
12 2.5 5 Hot Street Diesel ($150, $120, $90, $60, $30)
13 Pro Street/Open Diesel - anyone who doesn't meet the established classes ($50, $40, $30, $20, $10)
** Exception Street Diesel (2.6 inlet 24" hitch height and 2.8 inlet 22" hitch height 7800 lbs.)
SEMI TRUCKS
15 Semi trucks by invitation only! ($150, $100, $80, $60, $40)

General Rules - Applies to ALL Classes

1. Weight Classes. All classes require a minimum of three pullers.
2. No alcoholic beverages on track or in pit area. Any driver believed to be a potential safety hazard will be barred. Driver is responsible for their pit crew. Failure to observe rules will result in disqualification with no return of entry fee.
3. Pulling or towing vehicles must be operated in a safe manner at all times.
4. All drivers must wear a long sleeve shirt, pants & leather boots. Helmets & seat belts are recommended. No tennis shoes.
5. All weights must be securely fastened. No weights permitted in cab or under hood. No loose ballasts or bags.
6. Vehicle must start and stop on signal of track judge. No use of rear view mirrors. Pull is considered over when forward motion stops. Violators will be disqualified.
7. A 2 1/2 lb. dry powder fire extinguisher within reach of driver is required.
8. No one is allowed on track or within 25’ of track except driver, track officials & judges.
9. No pit crew member permitted on track except to start vehicle & hook vehicle to sled.
10. No one other than driver permitted in pulling vehicles.
11. Vehicle must start with tight hitch. No jerking or working of clutch after pull is started. Any violation will be disqualified.
12. Vehicle & sled must remain in boundaries during pull. Any attempt to move sled is considered measurable.
13. Contestant must pull in assigned position & within 3 minutes of sled spotting. Track officials will determine position changes if necessary.
14. Entries close at the start of class.
15. First puller is considered a “test puller” & has the option to re-pull in 3rd or last position. All decisions on re-pull must be made before vehicle leaves the track with judge’s approval. Any disqualification on 1st pull eliminates 2nd attempt. During pull-off, only one attempt is allowed to make a measurable pull.
16. Judge’s decision is final in all classes. Judge has option to re-pull all 1st pulls.
17. Rain out: A session of pulling is official if 1/2 of the advertised classes are completed. A class will be considered official when 2/3 of the vehicles have pulled. Any classes not completed for any reason will be considered a rain out. Promoter will determine if a class is a rain out.
18. If vehicle has open top or roll bar, a helmet with face shield is required. All vehicles must have a windshield.
19. Electric fuel pumps allowed in all classes. DOT stock tires okay, no over-sized duals.
20. All vehicles will be in Park/Neutral while being hitched/unhitched.
21. All vehicles with state inspection will pull in one class unless otherwise permitted.
22. Arguing & unsportsmanlike conduct toward officials/staff is cause for disqualification of both vehicle & driver for that day. All track official decisions are final.
23. No Nitros or Pressurized Vessels.
24. No vertical hitches allowed. Hitch must be accessible to be hooked/unhooked easily.
25. If there is a protest, it must be made by competitor of that class & be made to track officials only. Officials will decide if complaint is legitimate & if disqualification will take place.
26. All pullers pull at their own risk.
27. All trucks must have 4” or larger back-up lights or beeper.
28. All vehicles must weigh in and pass safety inspection.
29. Track officials reserve the right to re-weigh any pulling vehicle.
30. If truck has 3 consecutive wins during pulling season, with a 10% lead from 2nd place truck, then truck must move up to next class.
31. Hitch height must be 26” to the center of the hitch.
32. Hitches must have a 3” or larger hole. If using clevis, must be twist type.
33. Kill switches: U-Joint Shield must be 6” wide 1’4” steel or 3/8” aluminum, U-Joint shields required for the following classes: Small Block Street, Big Block Street, Small Block HO, Big Block HO, Hot Street Diesel & 2-Wheel Drive.
34. If a competitor arrives late, said competitor will not be allowed to compete if the class has already started.
35. Boundary line will be 320’ long to start the pull, even though a full pull may only be 300”.
36. In a pull-off, each puller will hook in the order that they pulled in the original line up. No dropping of positions allowed. A floating finish will be used.
37. Rule Violation-Any 1st time violation will result in disqualification from that event. 2nd time violation for the same infraction will result in removal from that pulling season. Any puller suspended will not be allowed on the track or the pit area for the duration of the suspension. If vehicle is sold, vehicle will be allowed to pull, but the suspended party must not be involved with vehicle in any way.
38. Disqualifications-Out of bounds; any part of the vehicle touching the white boundary line while under green flag will be disqualified. Loss of weights or safety equipment under green flag. Loss of excessive fluid. Unsportsmanlike conduct. Leaving the starting line under red flag condition. Deliberate delay of pull. Excessive arguing with officials. Intoxication of any kind.
39. Safety Switch-All vehicles required to have a kill switch. Kill switch will be securely mounted to the back of the vehicle & have a 2” diameter ring to attach to the sled. A tie strap will be used during tech to show vehicles have been teched. A 1/4” hole will be used to securely hold tie strap just above the kill switch (only if tie strap is broken, decided by head track official, will competitor be given opportunity to pull again). Kill switches on diesel motors must have: air shut off must be operated from rear of vehicle. Air shut off will consist of cap or guillotine that closes off air into the engine. The cap or guideline will be spring loaded.
40. First 3 classes must be registered prior to driver’s meeting.

Rules - Absolute Showroom, 6,500 lbs

1. 100% factory vehicle.
2. PA inspection, insurance and license is required.
3. Cold air system’s are allowed.
4. No add-on’s allowed in this class.
5. Ribbon Class only, no pay-outs.
6. CAT back systems are allowed.
7. Pre-emission dual exhausts are allowed.
8. No roller tip rockers.
9. Pick-up trucks must enter arena under their own power. The trailer can follow the truck in the arena & the truck can leave on a trailer.
10. Inspection/owners card/license plates are required. All paperwork must match.
11. Must run stock original equipment rocker arms.

Rules - Showroom Trucks, Small Block 412 C.I. & less 7,000 lbs / Big Block 413 C.I. & up 7,500 lbs

1. Three add-ons or modifications are allowed. Add-ons being aluminum intake, headers, Holley carburetors.
2. Vehicle should look & sound like an everyday vehicle.
3. Rough idle will be considered a modification.
4. Inspection & license necessary, owners card & insurance card may be asked for.
5. Air cleaners are mandatory. Battery must be secured to truck.
6. Must pull off bumper or Reese hitch. Hitch point must be rear most part of vehicle.
7. Hitch point can be no higher than vehicle frame.
8. No heavy front bumpers or hanging weights. Snowplow rigging allowed.
9. Weights can be put securely in the bed, no weights in cab of vehicle.
10. No weights under hood. Officials may check before, during & after pull.
11. Posi-traction carriers allowed. No welded carriers or spools permitted in front or rear differential.
12. Compression ratio should be no higher than year of vehicle being pulled.
13. 10” wide rim allowed. 12” tread width allowed.
14. No use of nitrous oxide or racing fuel.
15. No suspension add-ons, helper springs or air bags. Stock springs & overloads only.
16. Driver who fails to hold position in line will forfeit their points for that class.

Rules - 2 Wheel Drive Trucks (Gas or Diesel) 510 Cubic Inch Limit - 7,500 lbs

1. Front suspension must move up or down.
2. No differential limit.
3. Individual rear breaks allowed.
4. Hitch height no more than 30” and no shorter than 27% and no longer than 36% of wheelbase.
5. Weight may not exceed 18” in front of grill.
6. No rear-end limit.
7. Any engine and transmission combo.
8. Headers coming out of hood must have 2– 3/8” cross bolts in heads spaced 1” apart.

Rules - Street Trucks, Small Block 412 C.I. & less 6,200 lbs / Big Block 413 C.I to 510 C.I. 6,500 lbs

1. Must have original equipment as intended by manufacturer with body, hood, fenders & bed with floor. Flatbeds are allowed.
2. No frame alterations; lengthening or shortening.
3. Tire size: limit to 12” tread width & 10” rims 35” high. Must be DOT approved. Dual tires permitted but cannot exceed 12” of tread. No chains or studs or Wrangler style tires.
4. Suspension blocks & lift kits allowed. Must have factory suspension, can be block, solid, or pinned. Cannot be welded solid.
5. Big Block hitch height can’t be higher that 26” point of break to center of axle, must be at least 36% of vehicle wheel base.
6. Factory fuel injection or turbochargers only.
7. Any battery powered ignition may be used.
8. Slipper clutches allowed. If no slipper clutch, blow proof bell or blanket required.
9. No nitrous oxide or any combustion accelerant.
10. Small block hitch height can be no higher than 26”, must be at rear point of truck. Resse style, No draw-bar hitch.
11. Factory high performance heads aftermarket & exhaust manifolds allowed, cast iron only.
12. Inspection & license necessary. Owners card & insurance will be checked. An equipment check of the following will be done & must function: wipers, lights, turn signals, heater, windows & brake lights. No Lexan or Plexi in windows, must be glass.
13. DOT tires only. No cut tires allowed. Tread can be no deeper than original tread.
14. Heavy front bumpers & hanging weights allowed. Weights must be securely fastened no further from 187” from center rear axle to front of weight.
15. Must run mufflers or at least 6’ of exhaust limited to 3” diameter and clear rear of cab.
16. Fan shroud highly recommended.
17. Kill switches required—see general rules.
18. Dual plane intake permitted, aluminum or cast. Single plane not allowed.
19. Add-ons or modifications allowed, headers, camshaft, aluminum intake, carb, Hi-PO heads.
20. No hood modifications.
21. Cast heads aftermarket or OEM, aluminum must be OEM.
22. No dominator carburetors.
23. Street trucks will be allowed 4 add-ons.
24. Any 429-460, 427-454, 400-440 Mopar type engine pulling in Small Black Street will be checked with a cube checker or by a physical inspection.
25. Tire tread front to back must track over each other by 50%. If front tire is 10” wide, rear tire must cover 5” of the front tire track. 26. Big block hitch height can’t be higher than 26”, point of break to center of axle at least 36% of wheel base.

Rules - High Output, Small Block 435 C.I. & less 6,500 lbs / Big Block 440 C.I. & up 6,500 lbs

1. No frame alterations. Frame & body must be same year & make.
2. Limit to one 4 barrel carb. High rise manifold allowed. No tunnel rams.
3. Must have fan shroud.
4. Headers allowed.
5. Pulling hitch permitted.
6. Suspension blocking allowed. Solid suspension.
7. Internal engine changes permitted.
8. Posi or welded front ends allowed.
9. Hook height 26”. Hook point to center of axle should not be less than 27% of wheel base.
10. No wider than 10” rims. Tread width not to exceed 12 1/2” & 35 “ high.
11. Weight bracket allowed. Weights can be no further than 195” from center of back axle to front of weights.
12. DOT tires only. Cut tires allowed if only cut once.
13. No Wrangler style tires, bar tires or stock car tires.
14. Drive shaft loops, U-Joint Shields & kill switches required. Kill switch must kill air & fuel. See general rules.
15. Any trucks that can’t make High Output guidelines will pull exhibition only.
16. Any driver who fails to hold position in line will forfeit their points for that class.
17. Automatic transmissions must have blanket, Standard transmissions blow proof bell or blanket.
18. Aluminum heads are allowed.
19. Must be Factory Production Block.
20. Must retain stock exhaust pattern, must clear rear of cab.

Rules - Street Diesel 4x4, 8,000 lbs.

1. This is an open street legal 4x4 truck class available to owners of trucks that are legal for highway use. If your truck is street legal and is built to the rules set forth herein, you can enter this class. Your registration papers are required to prove that the truck is licensed for street use in the state where licensed. A license plate with a current sticker tag is required to be affixed to the truck. Registration paper, license plate and sticker tag must match. Trucks may be hauled to the pull.
2. Motor changes that increase horsepower over and above the factory rated horsepower or that increase RPMs over and above the factory rated range will be limited to changing of chips, air intake system (K&N and others) and CAT back systems only. Only OEM injection pumps allowed.
3. No studded tires, tire chains, or any tire not specifically intended for street use are permitted. All tires must carry a DOT number on the sidewall. No cut, altered, or sharpened tires. Trucks with dual rear wheels (2wd or 4wd) may enter and run in this class. Tire width 12” total tread.
4. Front bumpers must be unaltered if factory stock. No hanging weighted front devices are permitted but homemade bumpers, brush guards, and winch brackets and brackets for snow plow frames are permitted so long as no modifications that would add weight are determined. Homemade bumpers and brush guards must be hollow. A truck is permitted to compete without any front bumper.
5. The hitch point will be from the rear bumper only or from a “reese type” hitch on a level plane with the point of attachment to the trucks frame behind the pumpkin of the rear end. No other types of hitches are permitted. No angled, lever, pivot, axis or other types of “trick” hitches are allowed and the hitch must be stationary in all directions. The hook point must be the furthest point to the back of the truck. Hook point must be past the bed of the truck if there is no bumper, or past the end of the bumper. Each truck driver must supply a twisted clevis that will accommodate a minimum of 3.5” across the opening to accept sled hook. Hitch height will be determined by turbo size. (Stock turbo, 26” hitch height, 8,000 lb) (2x6 turbo, 24” hitch, 8,000 lb) (2x8 turbo, 22” hitch, 7,800 lb)
6. No aluminum engine blocks are permitted unless OEM. No open headers will be allowed. Pump diesel is the only fuel permitted. Absolutely no alcohol, nitrous oxide propane or other oxygen extenders. Headers are approved. Cross bolts-PPL Specs-(nearest to the charger) are required if no muffler is used. No superchargers are allowed. Exhaust may not exit to the side of the vehicles (towards the grandstand area). Engine swaps between manufacturers are not permitted. Duallies using gasoline as fuel may enter this class. Street legal gasoline trucks (unable to make weight for the 6200 lb class) may enter with permission of officials.

Rules - 2.5 Street Diesel 8,000 lbs

1. A technical safety inspection is required before pull. Fire extinguisher required in cab.
2. Must be state licensed & inspected with insurance card. No laptops allowed.
3. Tires must be DOT, no cut tires allowed. 12” wide total tread.
4. Duals allowed on dually trucks only, but not oversized duals.
5. Turbo, stock appearing, no swapping between makes, must be 2.5 stock housing.
6. #2 fuel only.
7. No weights allowed.
8. Factory snow plow or winch brackets. No winch allowed.
9. Air bags & traction bars are allowed.
10. Exhaust must exit rear of truck, facing down or vertical stacks behind the cab. No exhaust through the hood.
11. Reese style hitch or bumper pulling hitches.
12. No vertical hitches. 3.5 twisted clevis or equivalent opening to allow sled hook. 26” height.
13. Only allowed 2 add-ons for this class.
14. Driver failing to hold position in line will forfeit their points for that class.
15. Must have stock suspension. Must have min. of 5 plys.
16. No Nitrous/propane/water injection.
17. All general rules apply.

Rules - Pro Street Diesel, 8,000 lbs

1. Class will run at 8,000 lbs. Bodies must remain stock appearing with fire wall intact.
2. Maximum wheelbase permitted 158”
3. Maximum engine size will be 460 cubic inches. Engine must come from factory in one ton or smaller pick-up truck. Engine must remain in stock location as intended by manufacturer.
4. Hook point must be no closer that 48” of centerline of rear axle, hitch height maximum of 26”, with a minimum of a 3” opening. Hitch point must be easily accessed. No “trick” type hitches permitted. Hitch must be stationary in all directions.
5. Vehicles are limited to 2 turbochargers only. Single turbos are unlimited. For multiple turbos, the inducer bore on the atmosphere compressor housing(s) may be no larger than 3” measured at the smallest diameter area of the compressor wheel. A bushing may be used to downsize the compressor housing ahead of the wheel. If a bushing is used, it must be round, at least 3/4” long, mounted within 0.050” of the compressor wheel, and the inside diameter of the bushing may not exceed 3.0” limit. The inducer bore will be measured using a 3.05” plug. All provisions allowing air to the wheel other than via the bore are prohibited.
6. Exhaust must exit straight up, with (2)-3/8” bolts mounted in a cross pattern.
7. No cast iron clutches or flywheels permitted.
8. Fuel safety kill and/or air shutoff must be installed on rear of truck. Kill switch will be securely mounted to the back of the vehicle and have a 2” diameter ring to attach to the sled.
9. Fuel tanks and batteries may be moved but must be securely mounted. Fuel tanks, fuel lines and batteries are not permitted in cab of pulling vehicle.
10. Computer chips and boxes permitted.
11. Stock appearing injection pump required.
12. Mechanical or electronic fuel injection permitted.13. Must be DOT approved tire. Max tire height 36”. No studded tires or chains. No alteration to tires allowed. No bar or terra tires. Dual rear wheels are permitted.
14. Water injection permitted.
15. Front weights must be no more that 60” from the center line of the front axle to forward most point and be securely fastened.
16. Fuel limited to Diesel fuel and Bio-diesel only. No alcohol, NOS, propane or oxygen enhancing agents allowed.
17. Drive train will consist of the following: any front axle, transfer case, rear axle. No planetaries.
18. Axle shields are required. Shield to be .060” thick steel or aluminum. Shield not to be mounted to axle ends or hub bolts. A hole may be cut in one to allow locking of hubs.
19. SFI Bell housing blankets and/or SFI Blow proof Bell housings required.
20. All U-Joints must be shielded 360 degrees with 3/8”thick aluminum or 5/16” thick steel. Shield will be 6” long min. & centered on U-Joint. Inside diameter of shield will be no more than 2” larger than U-Joint.
21. All intermediate shafts between the transmission and transfer case will be totally enclosed in 3/8” aluminum or 5/16” steel, 1/4 of shaft may be visible.
22. Suspension modifications are permitted. Removable suspension blocks are permitted.
23. Fire extinguishers, helmets, and seat belts are required.
24. Trucks may be trailered to the event.

Rules - 2.55 Hot Street Diesel, 8,000 lbs

1. Ballast is permitted. Hanging weights may not extend more than 60” from the centerline of the front axle.
2. The batteries must be securely mounted. They may not be located in the driver compartment or forward of the radiator core support.
3. A filled block is permitted.
4. The body must be an OEM truck body. Including the full bed floor. The body & truck bed must remain full factory sheet metal. Metal aftermarket hoods are permitted. Fiberglass is prohibited. The hood must be closed & securely latched while the vehicle is hooked to the sled. The complete OEM firewall & complete OEM floor pan is mandatory.
5. Four-wheel hydraulic brakes are mandatory.
6. 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.
7. Radiators must be in the vicinity of the stock location and be of at least stock size.
8. All drivers must have a valid state drivers license.
9. An OEM transmission & transfer case is mandatory. They must have been an option on a one-ton or smaller pickup. Must have blow proof bells/blankets.
10. The OEM restraint system is mandatory and must be worn.
11. All trucks must have a min. of 6” wide u-joint shields around the rear u-joint constructed of at least 1\4” steel or 3/8” aluminum that will safely contain the u-joint & the end of the rear shaft.
12. The engine block must have been available as a factory option on a one-ton or smaller pickup truck. Blocks must circulate coolant freely. Water pumps must be present, but may be powered electrically. Electric fans are permitted. Aftermarket radiator assembles are permitted but must be securely mounted in the same area as the OEM unit. Differentials no larger than 11.5” diameter. Classes will be 2.5/2.6. No bushed blowers from 2.8-3.0 13. Vehicle must appear inspectable. Lights, fenders, glass in place.
14. Weights no further than 60” from center of front axle.
15. Any exhaust permitted.
16. Aftercoolers cooled by ice permitted.
17. Solid suspension permitted.
18. All vehicles must be equipped to direct exhaust upward including stock exhaust systems. Hood stacks are permitted. Two 3/8” diameter bolts must be installed through the exhaust pipe in a cross pattern within 1” of each other as close to the turbo as is practical. Hood stack exhaust must be at least 6” above closed position of the hood.
19. A fire extinguisher system is permitted. It must be securely mounted.
20. The fuel must be pump #1/#2 diesel only. Soy/Bio-diesel fuel is permitted. Off-road diesel fuel is prohibited. Fuel tank must be in OEM location or an approved racing type fuel cell mounted properly in the bed.
21. The fuel injection pump is limited to a stock-appearing, OEM engine make-specific pump only. Dual high-pressure common-rail fuel pumps or HPOPs are permitted.
22. All engines turning 4500 RPM & higher must be equipped with a harmonic balancer or damper meeting SFI Spec 18.1.
23. The hitch must be a receiver-style hitch; reinforcements are permitted. Reinforcements must not extend forward of the centerline of the rear axle. Any hitch attachments/bracing must be from frame down not from axle up. The hitch’s height from the ground may not exceed 26” on 4wd units & on 2wd units hitch is 30”. The hooking point must be the rear-most point on the vehicle & must be rearward of the stock location of the tailgate. Final decision of legality of all hitches resides with track official(s). Trick hitches prohibited.
24. Ice water intercoolers are allowed.
25. A complete interior, including dashboard, door panels, headliner, etc. is mandatory. Two matching front seats are mandatory. Aftermarket seats are permitted; they must be fully upholstered. Must have full back & head rests on seats. All factory controls (lights, signals, horn, windows, wipers, etc.) must be retained & operative.
26. Non OEM rear-end housings are prohibited. The rear end must have been an option on a 1-ton or smaller truck. Rear axle bolts to be covered by a cap or shield.
27. The vehicle must retain the full, original OEM steering gear. The vehicle must retain the original OEM power steering assistance, if it was so equipped. Additional stabilizers are permitted. May use hydraulic assist but retain full operation OEM steering gear.
28. Complete headlight & taillight assemblies (all) are mandatory & must be operative. Complete OEM windshield & windows are mandatory. Windows must be operative per factory specifications; that is, they must open & close via OEM electrical of mechanical means. Drivers window must be completely rolled up while competing. Other windows on truck may be lowered.
29. The factory suspension configuration must be retained. The upper mounting point for strut assemblies must be in the factory location. Adjustable caster/camber pillow ball mounts are permitted. The lower control arm may be strengthened provided factory-mounting points to chassis are maintained. The lower mounting point for the strut assembly may be modified for improved caster or camber. Strut tower braces, lower tie bars, sway bars, & limit straps are permitted. Traction bars & devices are permitted.
30. An OEM style suspension is mandatory. Traction bars & devices are permitted’ they must be bolt on only, welds are permitted for attachment to frame or axle housing. Control arms may be strengthened or replaced, provided all original mounting points are retained. Strut tower braces, lower tie bars, sway bars, limit straps, & camber kits are permitted. The rear suspension may be bolted solid to eliminate travel. All rear suspensions must use at least one working shock absorber per wheel.
31. Tires must be DOT street tires. Cut tires are prohibited.
32. The use of fa hand throttle is allowed. All throttles will have a dead man throttle that will automatically return to a closed position. Throttles will work in a forward to reverse motion, forward being open. Two springs will be required on the hand throttle & one spring on the fuel injection pump.
33. Non-OEM transfer cases are prohibited. It must have been an option on a 1-ton or smaller truck.
34. Non-OEM transmissions are prohibited. Aftermarket torque converters, valve bodies, & internal components are permitted. Transmission brakes are prohibited. Any non-OWM floor-mounted automatic transmission 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. All transmission lines must be metallic or high-pressure-type hose. All vehicles with engines running 4500 RPM or more & using an automatic transmission must be equipped with a transmission shield meeting SFI Spec 4.1 & must be labeled accordingly. A blanket-type shield is permitted; it must be appropriately labeled as meeting SFI Spec 4.1 & it must extend from the rear of the block to the front of tail housing with a minimum 6” overlap where it is fastened. All non-blanket-type shields must incorporate 2 (or one, per manufacturers instructions) 3/4” by 1/8” straps that bolt to the shield on each side & pass under the transmission pan unless the transmission pan is labeled as meeting SFI Sepc 4.1. All vehicles with engines running 4500 RPM or more & using an automatic transmission must be equipped with a flex plate meeting a minimum SFI Spec 29.1 & be covered by a flex plate shield meeting SFI Spec 30.1
35. Non-OEM transmissions are prohibited. Aftermarket internal components are permitted. A clutch meeting minimum SFI Spec 1.1 or 1.2 is mandatory on all vehicles with engines running 4500 RPM or more. All manual transmissions must be clutch assisted. Sequential shifters are prohibited. All vehicles with engines running 4500RPM or more & equipped with a manual transmission 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 blanket that completely covers the bell housing; it must be attached to the block & extend rearward to the transmission with a minimum 6” overlap where it is fastened.
36. The vehicle is limited to a single turbocharger; inducer bore limits: 2.5 class=2.512; 2.6 class=2.612. Inlet measured with plug or internal calipers. A stock map width enhancement (MWE) groove is allowed. No MWE groove will be allowed that has a width greater than 1/4”. All provisions allowing air to the wheel other than via the bore & the MWE groove are prohibited. 6.4 liter Powerstroke engines may utilize the factory twin-turbo configuration.
37. Water injection/methanol allowed. Nitrous/Propane are prohibited.
38. The vehicle must retain the original unaltered factory wheelbase & track width. Hitch will be 27% of wheel base, 26” high.

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