Pro Street Four Wheel Drive

Payout for the Pro Street Four Wheel Drive class

1st $300, 2nd $150, 3rd $75, 4th $65, 5th $50   Total $640

Remember that all checks will be 10% short for the points fund

2012 6200 Pro Street 4x4 Rules

Class Spokesman

Kenneth Stephens 859-779-4625

Alternate

Dennis Alexander

1.       Engine must be same as make of truck.  Must have full size body.

2.       Any single four-barrel carburetor allowed, no stretched carburetor.  No tunnel ram or no sheet metal intakes. 

3.       Engine must be naturally aspirated can run any cast iron head.  Maximum 470 cubic inch or 58.75 per cylinder.  Must be cast iron block  (no aluminum blocks).  Heads may be cast iron or aluminum BUT aluminum heads must be the stock degree for the make of the vehicle. May run roller cam.  Other internal engine modifications may be made.  Rear of engine block can be no more forward than 12 inches from center of front axle tube. May run vacuum pump.

4.       Headers can exit through hood or down and back.

5.       Truck body and frame must be same as make (I.E.) GM-to-GM, Ford-to-Ford, Dodge-to-Dodge, ETC (134 inch wheelbase maximum.  Truck must have all body components:  fenders, hood, and doors.  Tilt front ends allowed, no fiberglass bodies allowed, no tilt bodies allowed.   If bed is gutted, but must be covered.  No cutting or gutting inside of cab is allowed.  However any pieces or components that can be unbolted may be removed.  Front windshield must be OEM, side glass and back may be Plexiglas.  Must have engine side shields (.060 inch thick minimum.)

6.       Maximum 33 x 12.5 inch tires DOT stamped.  No cutting or grooving. No bars, no dual wheels, no chains, one half offset allowed.  Wrangler XT terra tires allowed.

7.       Truck must have OEM production drive train.  Dana 70 or smaller front and any rear 106 Rockwell or equal in size, no planetary rear ends.  No drop boxes or reversers.  OEM transmissions only, cut gears allowed in OEM cases.

8.       Truck must have stock frame.  Suspension blocks and traction bars will be allowed.  Front suspension must be of original configuration, no working hydraulic stops or air bags on front suspension. 

9.       Hydraulic steering allowed.

10.     Weight may be added to the front of the truck.  Weight or frame may not extend more than 60” from the centerline of front axle. 

11.      Front brakes or drive line brake required.

12.      Draw bar height 26” before pull and after.  Must be rigid in all direction, with adjustable top stop and bottom adjustment.  Drawbar length is a minimum of 36% of the wheel base front center of rear axle (I.E.) 134-inch wheelbase, truck equals 48.24 inches.

13.     Front gas tank allowed, but no more than 60” from the center of the front axle.

14.     GASOLINE ONLY no alcohol, nitro methane, no nitrous oxide or nitrous propane, no gasohol, no oxidized fuels or any other types of additives.  Only fuels permitted Sunoco – Standard, Supreme, Maximum,  VP -  c12, c14 plus, c16,  Renegade –  110, 112, 114 only.

15.     No military equipment .

16.     After you cross the scales, no weights are to be added or fuel added.

17.     All general rules and safety rules apply.

18.      Pump check allowable 4 points over or 1 percent.

19.      Every truck will be teched for safety.

20.      Must wear firesuit (jacket and pants) & helmet.

21.      The rules are locked for two years (2010&2011).

6200# Pro-Stock 4WD Trucks

Payout for this class:  $300, $150, $75, $65, $50

1.  Any truck body, any factory frame.

2.  Any single 4 barrel carburetor.  No stretched carburetor.  No tunnel ram or sheet metal intakes.

3.  A.  Maximum 485 cubic inch.  Any GM style block must be 4.84 bore spacing.  Any Dodge style block must be 4.8 bore spacing.  Any Ford style block must be 4.9 bore spacing.  No JC50, No JC51, No DRCE3 blocks. Can be cast or aluminum block. Engine can be no further forward than 12 inches from front of block saver plate to center of front axle housing.

    B.  GM may run any conventional port designed head.  Ford may run an “A” style head only.  Dodge may run a B1 head only. 

    C.  Conventional port designed head is classified as a head with the port spacing that must    be left to right.  No spread port or Billet heads allowed. 

4.  Headers and open exhaust allowed, must exit through hood or down and back.

5.  Body Specifications:

            A.  Factory wheelbase may be shortened or lengthened to maximum 134 inches.

                  Bedsides may be altered in front of wheel wells to match wheelbase on all

                  Trucks.

B.     Rear wheel width cannot be narrower than 34 inches from inside bead to

Inside bead of rear wheels.    

C.     OEM fiberglass components only.  Front clip on truck (firewall forward only)

Can be fiberglass..

D.  Front windshield must be OEM type (no Plexiglass)

6.  No working hydraulic stops on front suspension during pull.  Must have quick disconnect and shall not be touching spring or axle housing before, during, or after pull.  Weight boxes must stay stationary before crossing the scales and cannot be moved until after the pull is over.  Any air pressure adjustments require a re-measurement of hitch height.

7.  Any street legal tire may be run measuring up to or less than 33 inch measured height.  Terra and Cepek tires allowed along with any bar tire up to 31x15.50x15.  No recapped tires allowed.  Must have size on sidewall by manufacturer.

8.  Any transmission, transfer case, front end, or rear end allowed.  No planetaries.

9.  A.  Hooking point has to be horizontal on hitch.

     B.  From point of hitch to center of rear axle shall be no less than 36% of trucks wheel     base, i.e. 134 inch wheelbase equals 48.24 inch hitch length.  Hitch heights to be 26 inches, before, during, and after pull.  Hitch must also adhere to general and safety rules

10.  All Pro-stock trucks are to have adequate brakes; drive shaft brakes are adequate.

11.  Must run KTPA Spec fuel only.  Sunoco-Purple 110; Blue 112, Orange 114, Red 116, V.P. C-12, C-14, C-16, Torco 112, 114, 116.  Alcohol must be pure, no additives of any kind.  Must pass water test.  No Scent or Top Lube.  No pro oxide, no pro blend, no oxygen carriers of any kind, no scent additivies. 

12.  Overall vehicle must adhere to all general and safety rules.  Refer to the “General” and “Safety” rules section.

13.  1% tolerance on engine measurements.

14.  Conflict or gray areas will go the board for resolution.

15.  All trucks must have a fuel dump valve for fuel testing.

16.  Weight on class is 6200 lb.

17.  Trucks can not exceed 102” front and back.  Measured from the widest point, overall width.

Page last updated 1/22/2012