Liberty Truck and Tractor Pull

DIDC Rules

General Rules

1. DECISIONS OF THE OFFICIALS ARE FINAL - ANY COMPETITOR WHO ATTEMPTS TO SWAY THE DECISION OF ANY OFFICIALS, or  SLED OPERATOR IS SUBJECT TO DISQUALIFICATION FROM THE CLASS.

2. VEHICLES WILL ONLY BE ALOWED ONE ENTRY PER CLASS, NO VEHICLE MAY PULL IN THE SAME CLASS WITH ANOTHER DRIVER OR DIFFERENT SET-UP IN ANY WAY. ALL INDIVIDUAL VEHICLES WILL BE ALLOWED TO PULL IN TWO CLASSES.

3. PULLERS CAN MOVE UP A CLASS AS LONG AS THE VEHICLE MEETS OR EXCEEDS THE RULES OF THAT CLASS. 

4. PULLERS WILL HAVE TWO CHANCES TO MAKE IT PAST THE 100FT MARK.  WE WILL GO ON A FLOATING FINISH TRACK. NO PULL OFF. 

5. FIRST PULLER IN EACH CLASS HAS THE RIGHT TO DROP THE PULL AND TAKE THE LAST PULLING POSITION. PULLER MUST INFORM THE FLAGMAN THAT THEY INTEND TO DROP THEIR PULL. 


6. IF A PULLER HAS A MALFUNTION DURING THE CLASS BEFORE HE PULLS HE HAS TIL THE END OF THE CLASS TO GET IT FIXED. AFTER THAT HE WILL GET NO DISTANCE. 

7. ANY PART OF THE PULLING VEHICLE THAT GOES OVER THE WHITE LINE WILL GET A DQ.

8. IF ANY PULLER WANTS TO PROTEST: YOU MUST FIND AN ORANGE SHIRT OFFICIAL, PUT UP A $200 CASH PROTEST FEE BEFORE THE CLASS IS OVER.  FEE IS NON REFUNDABLE.

9. COMPETITORS MUST BE 16 YEARS OLD & HAVE A VALID STATE DRIVERS LICENSE TO COMPETE IN ANY SANCTIONED CLASS UNLESS APPROVED BY HEAD TECH OFFICIALSSHOES, SHIRTS, AND LONG PANTS MUST BE WORN WHILE PULLING UNLESS OTHERWISE NOTED IN CLASS RULES.

10. ABSOLUTELY NO CONSUMPTION OF ALCOHOL IS PERMITTED BY DRIVERS OR CREW MEMBERS, EITHER BEFORE OR DURING THE PULL.

11. NO PASSENGERS ARE ALLOWED IN THE TRUCK. 

12. ALL REGISTERED PULLERS MUST HAVE THEIR PULLING NUMBER DISPLAYED ON PASSENGER WINDOW AT ALL TIMES. PULLERS WILL STAGE BEHIND THE STARTING LINE THE CLASS BEFORE THEY PULL.

13.  TECH OFFICIAL(S) MAY TECH/INSPECT VEHICLES AT ANY TIME BEFORE, DURING, OR AFTER THE EVENT. PRE-EVENT INSPECTIONS WILL BE ANNOUNCED. 

14.  DRIVERS MEETING WILL BE  AT Starting Line Shed. ALL PARTICIPANTS MUST ATTEND


2.6 Pro Street Diesel Truck: Going by Pro Pulling League 2020 Rules
:https://propulling.com/sites/default/files/pdfs/lucas_oil_pro_pulling_league_rulebook.pdf

Limited Pro Diesel Truck: Going by Pro Pulling League 2020 Rules:https://propulling.com/sites/default/files/pdfs/lucas_oil_pro_pulling_league_rulebook.pdf:
https://propulling.com/sites/default/files/pdfs/lucas_oil_pro_pulling_league_rulebook.pdf

Pro Stock Diesel Truck: Going by Pro Pulling League 2020 Rules:
 
https://propulling.com/sites/default/files/pdfs/lucas_oil_pro_pulling_league_rulebook.pdf

Super Stock Diesel Truck: Going by Pro Pulling League 2020 Rules

https://propulling.com/sites/default/files/pdfs/lucas_oil_pro_pulling_league_rulebook.pdf

8500lb Pro Farm Tractors:
Engine: 1. 510 cubic inch displacementMaximum weight of 8500 lb. Turbo- 3” inlet with .250 map groove (KY). No forward-facing map groove.

2. NO 8600 series P- pumps.

3. OEM AG rear end and motor block must be bolted solid to transmission. 4. Aluminum heads are not allowed. OEM Only (no recast heads).

5. Only two (2) valves per cylinder.

6. Fuel Pump- any pump maximum P-pump. P3000 or P7100

 7. Water injection allowed; water with oil lubricant only.

 8. OEM intake and exhaust manifolds only. NO homemade manifolds allowed.

 9. NO intercoolers or after-coolers are permitted to be bolted on any head at anytime.

10. Intake housing to be no larger than 3 inch at the face of the wheel. Single compressor wheel must protrude into 3 inch bore at least 1/8”. Stock map width enhancement is permitted. Sheet Metal and Frame:

11. Front weights shall not extend more than 13 feet from the center of the rear axle.

12. Maximum wheelbase of 114 inches.

13. No components tractors allowed. Fuel:

14. No compressed air, nitrous oxide, fuel conversions, propane or nitro methane allowed. The only exception is the use of starting aid. 2. Diesel fuel will be the only fuel accepted. 3. No oxygen carries or combustion accelerators allowed in fuel.

15.Tires: Maximum tire size of 24.5X32 (Cut or uncut) at 8500 lb. 16.Hitch: 1. Minimum hitch length of 18 inches measured from the center of the rear axle. Can be no closer.

17. Maximum hitch height of 20 inches. 3. Hitch shall remain stationary in all directions.

General Rules: All vehicles/drivers must comply with general rules

Mini Rod Tractor Rules:  

1950 lb. Light Pro Modified Mini (Small Block Minis)
• Maximum 410 cubic inches.
• Factory style cast iron or aluminum blocks allowed.
• Aluminum factory style cylinder heads allowed. OEM bore spacing.
• No LS, SB2, or R07 heads allowed.
• No sheet metal intake manifolds allowed.
• Single 4 barrel carburetors only, 4150 flange only.
• No electronic fuel injection, coil on plug, or programmable ignition systems allowed.
2050 lb. Pro Mod Minis (Limited Pro Mod Mini)
- Small Blocks;
• Unlimited cubic inches.
• OEM bore spacing must be retained.
• Any cylinder heads allowed.
• No Electronic Fuel Injection allowed.
- Big Blocks;
• >500 cubic inch engines allowed mechanical fuel injection.
• >520 cubic inch engines allowed 4500 flange single carburetors.
• 520-575 cubic inch engines limited to a single 4150 flange carburetor.
• No electronic fuel injection, coil on plug, or programmable ignition systems allowed.
1950 lb Light Super Modified Mini (Open Mini)
- Small Blocks;
• Supercharged or turbocharged small blocks limited to 370 cubic inches.
• 6-71, 60° supercharger, 18% overdrive limit.
• 8-71, 60° supercharger, 10% overdrive limit.
• 8-71 hi-helix supercharger, 0% overdrive limit.
• Single staged turbochargers only.
• No electronic fuel injection, coil on plug, or programmable ignition systems allowed.
- Big Blocks
• No form of forced induction allowed.
• Maximum 575 cubic inches.
• No electronic fuel injection allowed.
2050 lb. Super Modified Minis (Grand National Mini)
NTPA/PPL national rules apply.
Max tire size 18.4x16.1 in all classes. All tractors must have a minimum of 2" drawbar opening.
Full fire suits required. ( no blue jeans and work boots. )alcohol tractors require head sock.
General
Roll cage, 5 point restraint, kill switch, fire suppression or extinguisher required.
Independent rear brakes, transmission blanket or approved SFI shielding, Engine side shields, blower restraints and drive shaft restraint required.




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