![]() It must be the furthest most point on the vehicle and be centrally located. Front Hitch - All vehicles must have a front hitch attached to the vehicle that is capable of supporting the weight of the front of the vehicle. Largest fuel injection pump allowed will be a P-8600 pump with only one plunger per cylinder.Ģ. Intake manifold maximum inlet size 3.75” measured on the outside diameter. No variable geometric turbos permitted.ħ. (intent - No cone shaped wheels) Turbine housing to be no larger than 3.50” inches at intersection of turbine wheel face and tip diameter. Turbine wheel exhaust blade clearance maximum from exhaust housing, 0.060”. No map width enhancements on exhaust housing permitted. All air must exit through exhaust housing opening. All turbine wheel blades protrude into exhaust housing bore. Intake housing to be no larger than three inches at the face of the wheel.ĦB –Exhaust- 3.50” exhaust housing maximum. Compressor wheel must protrude into three inch bore. MWE groove must be inside neck area where intake covered is measured at 3.00”. Intake – 3.00” inlet, Map width enhancement is allowed. Not allowed to cross manufacturer’s lines.ĦA. ![]() (OEM or stock replacement head for make and model).ĥb. No cooling devices of any kind permitted. Water Injection: High pressure water injection is allowed in the crossover pipe and ported water is allowed in the intake manifold only, not in the head. No rim size larger than 38 in diameter.ģ. PPL Midwest, IPL, ORVTPA, Hoosier State Hot Farm Rules:Ģ. Hopefully this variety of machines will have a close and exciting competition for the competitors and our fans. The competition directors have communicated with engine builders and dyno operators and have put these tractors together in this class for 2020. Midwest Regional, Indiana Pulling League, ORVTPA, and Hoosier State, Badger State Tractor Pullers, Hot Farm class from the P.P.L East Coast Series, Pro Farm from the Interstate Truck and Tractor Pullers and the Super Pro Farm class from the Dragon Motorsports Power Pulling League. This class is going to be a combination of several pulling associations.
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