BUCK MOTORSPORTS PARK
2009 MODIFIED STREET (MS) DIESEL TRUCKS SLED PULLING RULES
MODIFIED STREET (MS) CLASS IS FOR DAILY DRIVEN STREET LICENSED TRUCKS WITH AFTERMARKET ENGINE COMPONENTS. SINGLE TURBOCHARGERS ARE LIMITED TO 2.80 MAXIMUM INLET OPENING. SOME SAFETY EQUIPMENT IS REQUIRED.
A. Driver must have a valid state issued Drivers License. Vehicle must be street legal, have a current state inspection sticker and license plate. NO DEALER TAGS. Vehicle must be in the same physical condition as at the time it was inspected for current highway use. Registration card and license plate must match.
B. All contestants at every event must sign a release form, understanding that they are competing at their own risk and that they will not bring suit against any officials, employees, Promoter, and/or property owner. By signing the release form you agree to all rules set forth.
C. Engine must be six or eight cylinder compression ignition-engine factory produced for (1 ton or less) pick-up truck. Engine swaps between manufacturers is allowed in this class. Aftermarket intake mani¬fold is allowed, aftermarket programmers and chips are allowed.
D. Aftermarket turbocharger must be in original location for the engine/truck being used as intended by the manufacturer. Turbocharger inlet size will be checked at the tech official’s discretion. Inlet opening must be round and may not be larger than 2.80". No reducer bushings permitted to make a larger turbo pass 2.80 opening size. This also includes welding and remacllining inducer housing bore. Turbocharger inlet hose must be removed for measuring by tech official at any time requested or vehicle will be disqualified. Two 3/8 inch diameter bolts must be placed through the exhaust pipe in a cross pattern within one inch of each other as close to the turbo as practical.
E. Maximum truck weight including driver is 8,100 lbs. Added weights must be mounted and secured in bed of the truck. Front mounted weights are not allowed, front bumpers must be O.E.M., lower brackets for snowplow frames are permitted, no modifications that add weight are permitted. All trucks must be weighed before class begins. No aftermarket heavy front bumpers permitted.
F. Entry fee amount for Sled Pulling - $20.00 Entry fee amount for Show/Shine - $10.00
A vehicle can enter one pulling class per event. No switching drivers for multiple entries. Pit gates will open at 3:00, registration and tech closes at 5:30 pm.
G. All vehicles must register and pass tech inspection before competing. Registration and tech inspection
area will open at 3:00 pm and close at 5:30 pm.
H. All drivers must attend driver's meeting approximately 1/2 hour before event starts.
I. A vehicle cannot be registered after driver's meeting unless approved by track official.
J. Only the driver will be allowed in a vehicle during competition. (No Passengers)
K. No one allowed on the track except for track officials and contestant. Track is defined as the area within 35' in any direction of the contest boundaries, including the runoff area at the finish end of the track.
L. All contestants must drive vehicle onto track and into position to compete under its own power and must leave track under its own power unless for breakage.
M. All pulls must start with a tight chain; no jerking of any kind is permitted. Vehicle must remain within boundaries of the track or the puller will be disqualified.
N. Puller will be allowed a total of two attempts to reach the 75' mark. If puller goes past 75' mark on 1st attempt, no re-hook allowed. Test puller may drop 6 positions.
O. Driver must wait for green flag from starting line flagman before starting the pull. Leaving the starting line while under the red flag will be an automatic disqualification. No exceptions.
P. Vehicle must stop immediately upon signal of red flag from flagman.
Q. Competition vehicles must be operated in a safe manner at all times within the confines of the track, pit area, and staging areas. Track officials have the right to stop and disqualify any vehicle being operated in a reckless manner. Pit and staging areas speed limit is 5 M.P.H.
R. A contestant may be disqualified for either emotional or physical reasons by Competition Director or track officials. Example: recklessness, drugs or drinking alcoholic beverages. Any driver or any of his or her pit crew consuming an intoxicating agent, and/or drugs, prior to or during the event will be disqualified from the event. Drivers will be held responsible for the actions of their crew!
S. If any vehicle and/or driver is disqualified for any reason, no refund of entry fee or pit fee.
AA. Fuel must be #1/#2 diesel fuel only. Soy/biodiesel fuel is permitted. Off-road diesel fuel is prohibited.
No other combustible material (nitrous, propane, etc) may be injected into the turbocharger or any part of the air intake system. Water injection is not permitted. All nitrous, propane and water injection systems must be removed from vehicle.
BB. All vehicles must be equipped with a 2-1/2 lb. dry chemical fire extinguisher or l lb. halon extinguisher.
Extinguishers must be fully charged, in working condition, and secured convenient to driver.
CC. Seat belts with shoulder strap are required and must be worn during competition.
DD. Driver must wear D.O.T. approved helmet. Helmet strap must be fastened. Open body vehicle drivers
must also wear eye protection.
EE. All vehicles must have a 4-wheel hydraulic brake system in good working condition.
FF All open body vehicles must have at least a 4-point roll bar fastened directly or indirectly to the frame.
GG. Hitch must be a "Reese" style hitch. The hooking point must be the rear-most point on the vehicle. Hitch point cannot exceed 26 inches in height before, during or after the pull. Hitch point must be horizontal to the ground and stationary in all directions. The hooking point must have a minimum 3.00 inch inside diameter ring or clevice hole for the sled hook No "Trick" hitches will be allowed.
HH. Vehicles must have a O.E.M. firewall and f1oor. Only holes allowed are those for brakes, clutch, trans-mission controls and wiring.
II. Injection pump and entire fuel system must be O.E.M. factory installed system for the engine/truck
being used. No fuel tanks, fuel lines or batteries allowed in cab of truck unless factory installed.
JJ. Wheels and tires must have D.O.T. approved number on sidewall. No cutting, grooving, shaping or
sharpening of tire tread is permitted. No studded tires or chains allowed.
KK. All vehicles must have a working suspension front and rear, minimum 1 inch travel. Suspension may not be blocked solid. Vehicle must have a minimum of 3 plys of rear springs. Bolt on traction bars are permitted. Air bag lines must be disconnected.
LL. Wheelbase of truck must be original wheelbase for the truck being used.
MM. Truck and driveline being used (including front and rear axle, clutch, transmission, transfer case and drive shaft) must have been originally produced for diesel engine truck use.
NN. Engine and radiator must be in original location as intended by manufacturer.
OO. Frame, body, hood, bed and fenders must meet O.E.M. specifications. Flat beds must be PA street legal.
Beds must have full floor. All window glass must be in place. Doors and windows must function up and down. No plexiglass windows.
PP. Headers and open exhaust permitted. No headers thru hood or fenders will be permitted. Exhaust must
exit straight up behind and above cab or under vehicle toward the rear of vehicle. Two 3/8 inch diameter bolts must be placed through the exhaust pipe in a cross pattern within one inch of each other as close to the turbo as practical.
QQ. All engine fans must be O.E.M. shrouded.
RR. All trucks in this class must have U-Joint shields on all driveshaft U-Joints. Shield must be minimum
4" wide, made of minimum 3/16" steel or 1/4" aluminum and centered over U-Joint. All driveshafts must have driveshaft loops minimum 1" wide steel or solid 1/2" rod, 360 degrees around driveshaft. Driveshaft loops and U-Joint shields may be 2 pieces bolted together to form loop. No chains allowed. All shields and loops must be securely mounted to the vehicle.
SS. Bell housing and automatic transmission blankets or shields are required on any vehicle with engine
running 4200 rpm or more. Manual transmission vehicles with engine running 4200 rpm or more must have clutch meeting SFI spec 1.1 or 1.2, and S.F.I. 4.1 flywheel shield or blanket properly attached to block extending rearward to overlap the transmission. Any automatic transmission equipped vehicle with engine running 4200 rpm or more must be equipped with a S.F.I. spec 29.1 flex plate and flex plate shield meeting S.F.I. spec 30.1
AAA. Track officials will have the option to check competitors for rule violations at any time during the events. Contest will be governed by Track Officials and Competition Director with all decisions final!
BBB. The Promoter or Competition Director reserves the right to change any safety rule or rules if they feel it IS necessary.
CCC. Most Importantly Be Safe and Have Fun!
The rules and/or regulations set forth herein are designed to provide for the orderly conduct of competition events and to establish minimum acceptable requirements for such events. These rules shall govern the condition of all events, and, by participating in these events, all participants are deemed to have complied with these rules. NO EXPRESSED OR IMPLIED WARRANTY OF SAFETY SHALL RESULT FROM PUBLICATIONS OF OR COMPLIANCE WITH THESE RULES AND OR REGULATIONS. They are intended as a guide for the conduct of the sport and are in no way a guarantee against injury or death to a participant, spectator, or official. ,
The event director shall be empowered to permit minor deviation from any of the specifications herein or impose any further restrictions that in his opinion do not alter the minimum acceptable requirements. NO EXPRESSED OR IMPLIED WARRANTY OF SAFETY SHALL RESULT FROM SUCH ALTERATION OR SPECIFICATIONS. Any interpretation or deviation of these rules is left to the discretion of the officials. Their decision is final!
The Management of BUCK MOTORSPORTS, INC.
