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General Rules

Updated: Jan 19

All pulling vehicles must be required to have a steel plate or

billet flywheel or if running auto, SFI flexplate. The flywheel

must be made of steel with the following mechanical

properties: tensile strength of 60,000 PSI and yield strength

of 40,000 PSI. Any aluminum or magnesium flywheel that

meets or exceeds SFI specs will be acceptable. Automatics

will have a SFI blanket on Trans and over flywheel. Clutch

papers must be on file in the office and must be produced

upon demand. SFI approved—new papers are due each year.

1) Contestants must be 18 years old or at least 16 years old with a parent or

guardian consent.

2) Contestants must be a member of RRTTPA or pay 1-time hook fee.

3) Any competitor or any of his crew incapacitated due to intoxicating agent, and/or

drugs, his or her pulling vehicle will not compete for the duration of the pull. Obvious

or excessive consumption of alcoholic beverages before or during pull will not be

tolerated. Contestant shall not consume alcoholic beverages 8 hours prior to the

start of that event.

4) Anything detrimental to the RRTTPA association or board members will be

grounds for disqualification.

5) Any pulling vehicles left running with operator not in seat will be disqualified.

Semi-trucks with (air) spring brakes will be an exception, as long as spring brakes are

functional and applied while idling. Brake lights must be on when spring brakes

applied.

6) Pulling vehicles must be operated in a safe manner at all times within the confines

of the track, pits and staging areas. Officials have the right to stop and disqualify any

vehicle not being operated in a safe manner.

7) All vehicles must pass a safety inspection.

8) Driver must remain seated during pull.

9) Driver must have complete control of the vehicle at all times.

10) Use of profanity or threats by any puller or member of his pit crew toward any

official, promoter or sponsor of a pull shall be cause for suspension of said puller and

vehicle for a period of one (1) year and ten (10) days from date of occurrence. In

addition, loss of points and any end of season money and/or award.

11) Rules meeting held in October/November each year, all new rules will be

enforced Mar 1st.

12) When recertifying the clutch, the serial number has to be legible for tech officials.

Registration

1) Class jumping is allowed. As long as horse power numbers are same are within

350 hp, and you meet all rules for safety, cubic inch, turbo, blowers, and etc...board

has final discretion.

2) If you are not registered two (2) hours before the starting time of the pull, you will

receive one warning and pay a $20.00 extra hook fee for the day, in addition to the

regular hook fee.

3) If you are not registered before your class starts you cannot pull that day.

4) All pullers will have a drawn number to determine what position they will pull in.

5) Can have others register and pay by proxy.

6) Contestants must pull at position drawn within three (3) minutes of time sled is in

readiness; any delay will mean disqualification. An official may drop a contestant

having mechanical problems to a later position.

7) All contestants must weigh at the scale provided by the sponsoring organization

and must abide by weights shown on those scales. All fuel and liquid tanks must be

full and safety equipment (i.e. fire suit) must be on board before crossing the scales.

No air may be added to tires or air suspensions after crossing the scale. Reweight of

vehicle will be at the discrimination of the official.

8) Not more than 200 pounds moved from the rear to the front without rechecking

draw bar.

Track Set-up

1) All officially sanctioned contests must have available a pulling dirt track with 100

ft. shutdown not to exceed 300 feet, and not be less than 30 feet wide.

2) Spectators must be kept 35 feet or more from the track without a barrier or 15

feet with a barrier.

3) Track chalk line will be set at a minimum of 300 feet or to maximum of area

allowed.

On-Track

1) If a senior track official feels that a vehicle is unsafe, he has the right not to allow

the vehicle to hook.

2) All vehicles are required to drive into position on the track under their own power

and leave the track under their own power at the discretion of officials.

3) No riders on pulling vehicles.

4) All vehicles must be in neutral or park (transmission selector) while being hitched

and unhitched to the sled.

5) No portion of the vehicle or weights shall interfere with the sled, chain, or hook

during pull or while being hooked or unhooked from the sled.

6) All pulls must start with a tight hitch. No jerking allowed. All vehicles will have a

workable reverse but can be manually rolled to or from the sled in case of

mechanical failure only.

7) Vehicle must be stopped immediately upon signal from flagman or stopped by

sled. The pull shall be considered over where the forward motion stops, with no re-

pull allowed if stopped by sled.

8) All pull distances will be measured and the point of measure will be the front edge

of the sled or reflector for the laser.

9) Contestants will be allowed a second pull if the first pull does not exceed 100 feet

on courses 226-300 feet. (If the driver attempts to stop within these distances but

goes past to avoid being bumped by the sled, he will be allowed a re-pull. Driver must

raise his hand up when backing out of the throttle.)

10) Contestants may have sled spotted on starting line wherever he or she desires if

he or she notifies the officials in sufficient time to have the sled spotted in said

location as the sled is returning to the starting line from the previous pull. If

preceding contestant moves the sled any measurable amount, the next contestant

may have the sled relocated prior to his first attempt.

11) The contestant who draws the lowest number will be the test puller with the

following options:

a) Take the hook

b) Drop the hook and pull immediately

c) Drop six (6) places and re-hook, no dropping to last.

d) While unhooking from the sled, contestant must confirm to the official that he is

accepting or declining that pull. If the puller does not confirm, the hook will be

considered automatically official.

12) If weight machine (sled) needs further adjustment (reset) the following will

happen:

a) Test puller may re-hook immediately or drop six (6) places and re-hook (if more

than one contestant has made a hook before adjustment (reset sled) they will follow

test puller in the same numerical order as before the sled was reset.

b) The next contestant that hooks to the sled after reset will start the class and be

measured.

NO MORE TEST HOOKS.

13) In a pull-off there can be a floating finish, the contestants must pull as far as they

can and each will be measured.

14) The sled should be re-weighted before the fourth vehicle pulls—or at the

discretion of the sled operator and track officials. The sled cannot be lightened if the

test puller finishes within 20 feet of a full pull.

15) If the sled would break down during a class and cannot be repaired within

reasonable time, the class will be pulled over starting with the number one puller.

16) Once the class has been started, it cannot be stopped except in the case of

mechanical difficulties with the sled.

17) If the vehicle goes out of bounds, which is marked by the chalk mark (regardless

of distance) the vehicle will be disqualified unless vehicle has first hook option.

18) Any weights or safety equipment lost while hooked to the sled will be cause for

disqualification.

19) No liquid weight allowed.

20) Excessive loss of liquid by a vehicle while in forward motion during a contest will

be cause for disqualification, unless due to internal breakage. All discharge tubes

must vent outside the frame rails in track of rear tires or into a container.

21) No one is allowed on the track except for track officials and contestants when the

vehicle is under the green flag; track is defined as the area within 35 feet in any

direction of contest course boundaries, including staging area at the start end and

the run-off area at the finish end of the track.

22) At all times during competition (from the time session starts until it is over), there

will be limited access to the track area at the discretion of the track officials.

23) No alcohol allowed on track during the pull.

24) When the same driver is driving two or more different vehicles in the same class

and they draw back to back numbers, the second vehicle will automatically be moved

back one position. This rule does not apply when you draw last and second

to last numbers. This rule will be in effect all of 2019 season, you cannot pick and

choose when you use the rule when you can and cannot use it.

Support Vehicles Allowed

1) Support vehicles (such as ATV’s, golf carts, Mules, Gators, Jeeps, etc.) are to be

used as support vehicles only (for towing or carrying fuel, batteries, etc.). Misuse of

support vehicles before, during and after the event will not be tolerated,

2) All support vehicles must be parked 1 hour after the conclusion of each evening

session at all events. One hour after the show ends, the RRTTPA insurance coverage

ends. Failure to comply with this rule is considered detrimental to the Red River

association as outlined in bullet point 4 under the general rules listed above and will

result in a 1 year and 10-day ban from pulling with RRTTPA.

Fuels & Water

1) Anyone found to be using nitro or nitrous oxide will be barred permanently.

2) Usable fuels –starting 2020 VP Racing Fuel and Water for all classes is recommended, but not mandatory —absolutely no additives in water injection— (except top lube).

3) Any infraction shall be cause for suspension of said puller and vehicle for the

period of one (1) year and ten (10) days from date of occurrence. Moreover, loss of

points and any end of season money and/or award.

4) No computers allowed that automatically control any mechanical operation of the

competing engine, clutch or vehicle except for water injection. No electronic fuel

injectors or metering devices will be allowed. Except Diesel 4x4, (that have factory

computer) Light Modified class, and some vehicles in Modified class.

Safety

1) A minimum of a two (2) pound ABC with gauge dry chemical fire extinguisher

secured to the vehicle and convenient to the driver is mandatory.

2) All contestants must wear a dot-approved full faced helmet rated at least or must

be SFI spec 41.2. No moto-cross helmets allowed. All helmets must be 2000 and

newer. No modification or alteration of the helmet is allowed. All chin straps must be

fastened. Helmets with flame retardant linings and a flame retardant neck skirt are

allowed. If you use a helmet with both flame retardant lining and neck skirt, no head

sock is required.

3) All contestants must wear fire suits that meet the following requirements:

a) Must be a minimum of SFI 3.2A1 driving suit. Drivers who compete in flip top body

styles that do not have complete fire walls must wear a SFI 3.2A5 protective clothing.

b) All drivers are required to wear full fire protection including full faces helmets with

shield, fire gloves, fire shoes and certified SFI fire suits according to body type

specifications. Head sock if helmet does not have flame resistant lining and neck

skirt.

c) Contestants must wear 1 or 2-piece fire retardant suit. All drivers in all divisions

that require helmets will be required to wear a full 360-degree neck collar meeting

SFI spec 3.1 or a Han’s device.

d) Helmets need to be hooked, not to be taken off without unhooking them, if seen a

DQ will take place.

4) All injection or butterfly shafts of blown engines must have dual return-to-idle

arms and springs.

5) All pulling vehicles must have an automatic ignition kill switch/or air shut off.

a. All ignition engines must have a kill switch in working order within easy reach of

the driver. EFI diesel must have kill switch for ignition and a kill for guillotine.

b. All diesel engines, air shutoff (guillotine) must be able to be operated by sled

operator and by the driver of vehicle.

Tech officials must be able to easily pull the kill switch from the rear of the vehicle.

NO plastic trailer type kill switches.

6) All fuel injected ignition & Diesel engines must have a fuel shut off valve control

within easy reach of the driver. The breakaway switches will have attached to them a

minimum of a two (2) inch diameter ring that is 1/8-inch-thick solid to be located

approximately 2 to 4 feet above drawbar. No plastic trailer brake switches allowed.

7) All automotive engines equipped with a non S.F.I. approved harmonic balancer

shall be shrouded with 1⁄4 x 1-inch steel no more than one (1) inch away in direction of

rotation, 360 degrees, to be securely fastened with a minimum of two (2) ears that

are 1⁄4 inch thick and 1-inch-wide, each extending one (1) inch in front of the hub. A

bolt in the crankshaft to hold dampener puller is required. All balancers or steel hubs

required to have a retainer to restrict forward movement more than 1⁄2 inch to keep

balancer from coming off the crank.

8) A deflection shield is required on both sides of all engines. Shield must extend the

complete length of block casting and be securely fastened. Shield to be made of

aluminum or steel a minimum of .060 thickness or safety blanket material. Shielding

on all engines must extend from base of head or the uppermost point of

piston travel to two (2) inches below bottom center of crankshaft throw and be

securely fastened.

9) Tractor inner side shields. 2020 All inline engines are recommended, mandatory 2021, to have an additional side shield consisting of .125 (1/8) steel or titanium or .250 (1/4) inch thick

aluminum inside of the current .060-inch steel or aluminum side shields with a

minimum of 1⁄2 inch air gap. The shield is independent of the current side shield and

must be attached to the chassis (frame) with a minimum of 5/16 fastener at both

ends and the center on the bottom or suspended a minimum of 3 inches below the

top of the frame rail and to the engine block at both ends bolted solid to the bolt if

suspended or with a length of 5/16 chain if fastened at bottom at deck height on

the top. This shield must extend from the bottom of the head to the centerline of the

crankshaft and extend the full length of the block on each side of the engine.

10) Any vehicle running planetary rear-end must enclose entire driveline in a

minimum of 1/4-inch steel or aluminum mounted to the frame with adequate

bracing.

11) All competing vehicles must be equipped with working rear wheel brakes, except

four-wheel drive trucks, which must have working front wheel brakes. All driveline

brakes must have 3/8-inch steel, 360 degrees around brake components,

and both ends must be closed with 1/8-inch steel or greater.

12) Vehicle must have tow hitch on front of vehicle. It can extend no more than 6

inches ahead of the farthermost front portion of the vehicle. It will not be counted

when measuring length of vehicle. It must have a three (3) inch diameter hole,

positioned horizontally. It must be strong enough to push, carrying or pull the vehicle

at its heaviest weight. It is to be used only for pushing, carrying or pulling the vehicle.

13) All vehicles to have a primary independent mounted hitch of significant strength

to retain the vehicle. The hitch itself is to be painted orange. Directly below the

primary hitch with an eight (8) inch minimum separation will be the secondary hitch,

painted white. (Mandatory at indoor events)

14) Drawbar must be equipped with a steel hitching device not more than 1 1/2 inch

by 1 1/2-inch square (1 1⁄2 inch round stock); nor less than one (1) inch by one (1) inch

square (1 1/8-inch round stock) and with an oblong hole maximum of 3 inches wide

by 3 3/4 inches long.

15) Primary hitch must be secured to vehicle frame and rigid in all directions. No

cables or chains allowed in hitch mounting. Any movement of hitch up or down will

not be allowed.

16) Pulling point must be within 1 1/2 inches from back edge of hitch and no less

than one (1) inches.

17) All throttles must be self-returning to the idle position when released. Foot

throttles are required to have a toe strap.

18) All supercharger drive components must conform to SFI specifications. All

superchargers shall have a workable pop-off valve or aluminum studs, and adequate

restrains that are SFI certified with legible dates to prevent blower lift off.

All centrifugal blowers must have an adequate shield of 1⁄2 aluminum or 3/16 steel. All

supercharger burst panels must be deflected upward or downward.

19) The use of torque converters, automatic shifts, etc. Will be allowed during pull.

All vehicles with automatics must have reverse lockout. All vehicles shall be equipped

with a neutral start switch, meaning the engine will start only when transmission is in

neutral or park (semi-trucks with working spring brakes excluded).

20) Mechanical clutch equipped vehicles must have a SFI approved explosion-proof

bell housing and a “block saver” steel or aluminum plate between the engine and bell

housing, OR the entire clutch area enclosed front and rear, 360 degree

coverage, with min 3/8”steel, 1⁄2” away from rotating mass or shall be covered with a

4.2 SFI blanket (min 12” wide) around clutch housing with 6” overlap.

21) Fully automatic transmission vehicles must have SFI approved safety blankets

covering not only body of transmission but also complete bell-housing portion. Lenco

transmissions are required to have approved explosion blanket.

22) Blankets must be in good condition with SFI date legible and within a 5-year date,

or must be recertified by manufacture of blanket, or replaced.

23) All rules will be enforced by the technical personnel on site referred to as

“Technical committee”. The technical committee, which is headed by the Tech

Director of the Association, will strictly enforce all rules set up by the RRTTPA and

has the authority to disqualify any contestant if he is not meeting RRTTPA

specifications prior to hooking to the sled.

24) Violation of any rule shall constitute a disqualification.

25) In the event of disputes, infractions, clarification, all decisions rendered by tech

officials will be final.

26) Seat belts are required and must be worn when vehicle is pulling.

27) All competition vehicles (modified tractors are exempt) must have a complete

firewall 1⁄2 inch thick with no holes except for controls. Holes not to exceed inch larger

than the controls

28) All turbo charged engines exhaust stacks need to remain intact while hooked to

sled. If it falls off the vehicle it will result in a disqualification. Puller still receives last

place points.

Protests

1) All protests must be made before prize money is handed out.

a) Protest fee is $100.00 for any rule except head and engine check.

b) If the protested vehicle is found to be illegal, all prize money for that pull and

points for the year are lost and the protestor is returned his protest fee.

c) If the protested vehicle is found to be legal, he (the protested vehicle) keeps the

protest fee and all prize money, if any is involved.

2) To protest engine size a $1000.00 protest fee is required for a pump and/or tear

down of the engine.

a) Protests that require the removal of the head (check head legality-cubic inch

protest) from the engine are $1500.00 in cash.

b) The protest must be done in writing and signed by the class member that is

protesting.

c) If found legal, the person being protested will receive $1000.00 and $200.00 will

go to RRTTPA Tech.

Stabilizer Bars Tractors

1) Stabilizer bars are required (no wheels allowed).

2) The drawbar and drawbar assembly will not in any way be attached to the

stabilizer bar assembly. The stabilizer bar must extend a minimum of 32 inches

behind a line (Fig. A) drawn from the center of the wheel (Fig. B) to the ground. Pad

must not be more than 10 inches off the ground (Fig. C) at 32-inch point and to be

measured during hitch check before competition. The stabilizer pad must be a

minimum of 5 inches square (Fig. D), with a minimum of 20 inches allowed from the

outside of one pad to the other (Fig. E).

3) No crossbars between stabilizer bars allowed behind point of hook.

4) All tractors, in addition to stabilizer bars, must have a brace that extends vertically

12" from the rear most tip of skid pads. There must be a support brace extending

inward to frame, axle or top of stabilizer bar arms. Material used must

be of minimum strength of materials used for stabilizer bars. Design and materials

must withstand severe impact of sled.

5) Vertical brace should extend rearward a minimum of 2" from radius of rear tire.

6) Tractor skid plates for front axle are required specifications are:

a) A skid plate must be mounted in line with each frame rail and extend from the

center of the front axle forward (on both sides equal in strength to the frame rail

material).

b) Skid plate surface to be a minimum of 4 inches wide and 12 inches long with a

minimum of a 6-inch curve when measured from the front most part of the rolled

edge.

7) Front axle support to be made of 2-inch x .095 chrome moly steel tubing or same

material as tractor frame rails. Front axle support should be connected to each frame

rail in line and extend towards front of tractor. Front axle skid support should have a

radius to prevent digging into track. Front axle support should be strong enough to

support the front-end weight of tractor. Support should be a minimum ground

clearance of 4 inches and a maximum of 6 inches.

8) On modified tractors where the hitch and wheelie bars are connected to the same

frame, the wheelie bars must be fastened at least 4" ahead of the hitch.

Two Wheel Drive Trucks

All Two Wheel Drive Trucks must have stabilizer bars (no wheels allowed). Stabilizer

bar length must be a minimum of 2" back from the furthermost point of the tire with

a 5" square pad on the bottom maximum 6" high if within tire track or 10" high if not

within tire track.

Turbocharger

1) All turbochargers not under hood must be completely shrouded, except for inlet

and exhaust pipes, with steel 0.060" or thicker. Turbochargers under fiberglass hoods

must be completely shrouded with 0.060" metal under the area of the fiberglass,

except for inlet and exhaust pipes. All turbos facing sideways (i.e. towards the crowd)

are to have .060 metal in front of the turbo wheel to prevent the wheel from

escaping.

2) No titanium wheels in any turbo chargers allowed in any class.

3) Turbocharger exhaust pipe(s) must be cross-bolted with (2) bolts, 3/8”, grade 5

within 1 inch apart, within 6” of exhaust wheel to keep parts from coming out.

4) Intercoolers located outside of normal engine shielding must be the same as

turbochargers not under the hood. Must be shielded with steel 0.060” thick or

greater.

5) All classes using a mandatory turbo must run legal turbo for class, the rule applies to all mandatory turbo classes. Also, If competitor wants to run a smaller turbo than legal turbo, they may do so at RRTTPA discretion, and if board “ok’s” it. Competitor and tractor/truck must meet RRTTPA safety.

6) On all pulling vehicles, the tubing on the pressure side of the turbocharger or

supercharger to the intake must be under the hood or side shields or strapped

securely

Supercharger

1) Supercharger restraint system is mandatory and shall consist of 4 separate straps,

one on each corner of the supercharger, with each strap securely fastened to the

engine by means of its own attachment bracket. The top attachment bracket to be

sandwiched between the lower surface of the injector body and the upper surface of

the supercharger case. The bottom bracket for each strap shall be connected to the

engine by a minimum of one 3/8” bolt or stud (grade 5 or better).

All supercharged engines with blower drive facing the driver must use SFI Spec 14.1

blower restraints.

2) Screw type superchargers are NOT permitted for competition vehicles.

3) Maximum supercharger size is 14-71, 19” rotor case length x 11.25 width.

4) All superchargers must be mounted to the intake manifold by aluminum studs only

(NO steel studs allowed).

5) All blower burst panels must discharge straight up or down.

6) No chain type couplers allowed for engine drive line connection.

7) On all pulling vehicles, the tubing on the pressure side of the supercharger to the

intake must be under the hood or side shields or strapped securely.

Allison superchargers

1) All carbureted or injected Allison, Packard, Industrial, or marine engines using a

centrifugal supercharger must be shielded. Shielding will be the same on each side

of supercharger. Shield to start centerline of supercharger housing and extend 5”

rearward, only allow notching to fit around accessary components. Shield to

extend 8” forward of the centerline of blower housing and notched only for

accessory components. On the front edge of the shield, there will be a

Rolled lip extending 1” inward. Shield will be 3/8” steel bolted every 2” or closer,

3/8” bolts or larger, grade 5 or better. Shield to start at the bottom of blower

housing, up the sides, and across the top. Holes or notches allowed only for

accessary components. Shield must maintain its integrity.

2) Allison blowers must have steel shield as in Rule 1 above OR an SFI SPEC 14.1

blanket.

3) No cutting or grinding on Allison supercharger wheels.

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