Mercer County Fair and Horse Show

Official Truck Pull Rules for Mercer Power Sports 2011

Tech Official:
Woody Holt (859)613-1090

For More Truck Pull information contact:
Joe Wilson (859)613-8341 or
Lee Wilson (859)613-8343

Click here for class payout information and points information

8500# Stock Turbo Diesel Class Rules

Ballast: Hanging weights are prohibited. Additional weight may
be placed in the cab or bed.
Body: Trucks must retain all OEM equipment and must be operative.
Credentials: All drivers must have a valid state driver’s license
Driveline: Driveline must be OEM from a one ton truck or less.
Exhaust: Exhaust must exit behind cab.
Fuel: Number 2 diesel fuel only.
Hitch: 26 inch hitch height.
Injection Pump: Stock appearing injection pumps. Dual CP3s/HPOPs are not allowed.
Power Adders: The use of Nitrous Oxide, Water Injection, and Propane Injection is prohibited. All related system components must be removed prior to pulling.
Suspension: Rear suspension may be blocked solid. Ladder/Traction bars are allowed but must be easily removed.
Tires: Tires must be DOT approved no chains or studs.
Turbocharger: Turbo must be a stock OEM unmodified turbo. Turbo may be swapped for another turbo from a one ton truck or less from the same manufacturer. If turbo is swapped from year to year it must retain factory configuration.

8500# 2.6” Street Diesel Class Rules

Mercer Power Sports 2009Ballast: Hanging weights are permitted. They may not extend more than 60 inches from the centerline of the front axle.
Body: The body must be an OEM truck body and must retain full sheet metal. Metal aftermarket hoods are permitted. Complete OEM firewall is mandatory.
Brakes: Four-wheel hydraulic brakes are mandatory.
Chassis: 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.
Cooling System: Radiators must be in the stock location and be of at least stock size.
Credentials: All drivers must have a valid state driver’s license.
Driveline: An OEM transmission and transfer case is mandatory. They must have been an option on a one-ton or smaller pickup.
Driver Restraint System: The OEM restraint system is mandatory and must be worn.
Driveshaft Loops: All trucks must have at least six inch wide ujoint shields around the rear u-joint constructed of at least ¼ inch steel or 3/8 inch aluminum. All shields 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 ujoint and the end of the shaft. A new puller will be granted a one-time waiver of this requirement.
Engine: The engine block must have been available as a factory option on a one-ton or smaller pickup truck. Blocks must circulate coolant freely. The use of concrete or other block fillers is prohibited.
Exhaust: The exhaust must exit rearward of the driver's compartment. Stacks exiting through the hood or fender-well are prohibited. It is recommended that 3/8 inch diameter bolts be placed through the exhaust pipe in a cross pattern within one inch of each other as close to the turbo as is practical.
Fuel: #2 diesel fuel only
Fuel Injection Pump: 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. The P7100 injection pump, if equipped, must utilize a stock-appearing governor.
Harmonic Balancer: All engines turning 4500 RPM and higher must be equipped with a harmonic balancer or damper meeting SFI Spec 18.1.
Hitch: 26 inch hitch height.
Interior: A complete interior, including dashboard, door panels, headliner, etc., is mandatory. Aftermarket seats are permitted; they must be fully upholstered.
Power Adders: The use of Nitrous Oxide,and Propane Injection is prohibited. All related system components must be removed prior to pulling. Water injection is allowed in this class.
Rear End: The rear end must have been an option on a one-ton or smaller pick up. Rear axle bolts must be covered by a cap or shield.
Steering: The vehicle must retain the full, original OEM steering gear.
Suspension: Rear suspension may be blocked solid. Ladder/Traction bars are permitted. Safety loops for ladder/traction bars are recommended. No welded rear suspensions.
Tires: Tires must be DOT approved. No chains or studs
Transmission: Non-OEM transmissions are prohibited. Trucks running in excess of 4500 RPM must have a safety blanket which meets SFI specifications.
Turbocharger: The vehicle is limited to a single turbocharger; the inducer bore on the compressor housing may be 2.6”. The inlet will be measured using a 2.65-inch plug or internal calipers. Reducer bushings are NOT allowed. 6.4 liter Powerstroke engines may utilize the factory twin-turbo configuration.
Wheelbase: The vehicle must retain the original unaltered factory wheelbase.

8500# 2.8” Super Street Diesel Trucks Class Rules

Ballast: Hanging weights are permitted. They may not extend more than 60 inches from the centerline of the front axle.
Body: The body must be an OEM truck body and must retain full sheet metal. Metal aftermarket hoods are permitted. Complete OEM firewall is mandatory.
Brakes: Four-wheel hydraulic brakes are mandatory.
Chassis: 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.
Cooling System: Radiators must be in the stock location and be of at least stock size.
Credentials: All drivers must have a valid state driver’s license.
Driveline: An OEM transmission and transfer case is mandatory. They must have been an option on a one-ton or smaller pickup.
Driver Restraint System: The OEM restraint system is mandatory and must be worn.
Driveshaft Loops: All trucks must have at least six inch wide ujoint shields around the rear u-joint constructed of at least ¼ inch steel or 3/8 inch aluminum. All shields 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 ujoint and the end of the shaft. A new puller will be granted a one-time waiver of this requirement.
Engine: The engine block must have been available as a factory option on a one-ton or smaller pickup truck. Blocks must circulate coolant freely. The use of concrete or other block fillers is prohibited.
Exhaust: It is strongly recommended that 3/8 inch diameter bolts be placed through the exhaust pipe in a cross pattern within one inch of each other as close to the turbo as is practical.
Fuel: #2 diesel fuel only
Harmonic Balancer: All engines turning 4500 RPM and higher must be equipped with a harmonic balancer or damper meeting SFI Spec 18.1.
Hitch: 26 inch hitch height.
Interior: A complete interior, including dashboard, door panels, headliner, etc., is mandatory. Aftermarket seats are permitted; they must be fully upholstered.
Kill Switch: A kill switch of some type (air, fuel, electric) is strongly recommended.
Power Adders: The use of Nitrous Oxide and Propane Injection is prohibited. All related system components must be removed prior to pulling.
Rear End: The rear end must have been an option on a one-ton or smaller pick up. Rear axle bolts must be covered by a cap or shield.
Suspension: Rear suspension may be blocked solid. Ladder/Traction bars are permitted. Safety loops for ladder/traction bars are recommended. No welded rear suspensions.
Tires: Tires must be DOT approved. No chains or studs
Transmission: Non-OEM transmissions are prohibited. Trucks running in excess of 4500RPM must have a safety blanket which meets SFI specifications.
Turbocharger: The vehicle is limited to a single turbocharger; the inducer bore on the compressor housing must be a maximum of 2.8”. The inlet will be measured using a 2.85” plug or internal calipers. Turbo inducer reducer bushings are allowed.
Water Injection: The use of water injection is allowed.
Wheelbase: The vehicle must retain the original unaltered factory wheelbase

We would like to thank each of you Pullers who pulled with us in 2010. Our aim for 2011 is to please as many pullers as we can.

That is why we decided to give back huge trophies and a points Series for you guys. We are looking forward to a good series of pulls and have planned out side of the fair so you have the whole facility for better parking.

Thanks again,
Track Crew
Joe Wilson, Lee Wilson, Woody Holt, Ricky Keller, Barry Currens, Chris Record, Frankie Reed, Doc Ellis, Pearl Hamlin

R.I.P. Aaron Mobley {Mad Dog}