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2010 Michindoh Truck and Tractor Pull Association

Rules

 

General Rules:

 

1. Michindoh Classes are:    5500lb. 2wd Small Block (points class)
                                             6000lb. Stateline Pro Street 4x4 (points class)
                                             6200lb.2wd Super Stock (points class)
                                             6200lb. 4wd Altered Stock (points class)
                                             10,000lb. Hot Farm Tractors (points class)
                                             8,000lb. 2.6 Diesel (points class)
                                             8,000lb. 3.0 Diesel (points class)

                                             American Big Block Modified Rails (points class)

                                             8500# or less Michindoh Open

 

   2. Other classes will be offered if the event allows.

  1. All drivers and vehicles in Michindoh point classes must be paid Michindoh members and possess a Michindoh pulling vehicle number.  All drivers in the Michindoh non-points classes must pay an additional $5 hook fee to cover insurance and administration costs.
  2. Classes will have a random pulling order from event to event.
  3. Drivers in all classes must be entered before the start of the pull.  Late entries for all classes: If not registered ½ hour before posted start time, you will be fined $20.00 for late entry fee.
  4. If you cannot be at the pull on time, you may pre-enter by contacting someone who can be there on time.
  5. If you break before classes starts, your money will be refunded.
  6. NO refunds after class starts.
  7. The driver who is on the entry form MUST be the driver in the vehicle. If a substitute is required, you must notify Michindoh officials before the vehicle is pulled up to the sled.
  8. Drivers that make a full pull MUST be the drivers in the pull off. NO substitution will be allowed or the pull will be disqualified.
  9. Only the official operating the pump and the owner of the vehicle being pumped will be allowed near the vehicle while being pumped.
  10. As soon as the sled returns and the track equipment is cleared from the track, or start line officials call you, drivers must be ready to pull.  The driver will have ONE MINUTE to hook to the sled and tighten the chain.  After this time, the pull will be forfeited.
  11. Contestants will be allowed 2 attempts to start the sled within the first 75 feet of the pull, at the discretion of the starting flagman.  Only 1 attempt allowed to start the sled in the event of a pull off.  Vehicles are not allowed to return to the pits if involved in a pull off.
  12. The total weight of the pulling vehicle includes driver.
  13. Drivers meeting- takes precedence over all written rules.
  14. Idle speed only while driving in the pits.
  15.  All electric fuel pumps must be connected through the kill switch.
  16. All pulling vehicles must have a 3-1/4” wide x 3-3/4” deep clevis due to NTPA rule changes on weight transfer hooks.
  17. All pulling vehicles must have reverse lights (white lights) and neutral start switches.  It should be mounted near hitch.  This is mandatory for all classes except street stock.
  18. There will be no “gimme” hooks for any driver or vehicle.
  19. All vehicles must have a fire extinguisher.
  20. Board of Director has precedence over all.

     

Protest and Tear Down Rules:

           You may protest (if you are Michindoh member) to have any vehicle pumped the night of a pull by presenting $100.00 to the president or vice president present.  If the vehicle is found to be illegal, the person being protested must pay the $100.00.  You may also protest to have a vehicle torn down.  The person protesting must bring $500.00 cash to the president or vice president present.  The protest will be discussed.  If the vehicle in question is to be torn down, it will have the option to do it at the track or at the nearest suitable location.  If the vehicle in question is legal, it will keep the $500.00 cash.  Any vehicle found illegal and refuses to be protested or teched, it will be barred from competition for one year.  Unless, they are willing to pay a reinstatement fee of $500.00 to the club.  Any money and points to date and won the day of the protest will be refunded.  If the vehicle in question refuses to refund winnings, the amount of those winnings will be added to the reinstatement fee.  The tech-official for the class of the vehicle has the right to have a valve cover pulled on any vehicle they feel may be in violation of any rules without a protest fee.


Causes for Disqualification:

 

1.      Loss of anything off the vehicle (i.e.: weights, parts, etc.) while it is in motion, except in the case of breakage in the drive-line, until red flag is waved.

2.      Loss of safety equipment or failure of safety equipment to function.

3.      Excessive loss of liquid or steady stream.

4.      Illegal fuel and use of Nitrous Oxide.

5.      Any part of your vehicle out of bounds from start to finish while under the green flag.

6.      Unsafe operations of any vehicle in pits or on track (i.e.: no hole shots, excessive speed, etc.)

7.      INTOXICATION of any driver or pit crew member or any smell of alcohol on a driver’s breath.

8.      Illegal equipment.

9.      Leaving starting line under red flag.

10.  Un-sportsman like conduct.

11.  No reverse in vehicle.

 

ALL THE RULES WILL BE STRONGLY ENFORCED DUE TO YOUR SAFETY AND THE SAFETY OF OTHERS. THE OFFICIALS’ DECISIONS ARE FINAL!

 **The Head of Class/Tech Official for each class will enforce all of the rules!  Every vehicle will be teched on a random basis at some point throughout the season.**

  6200lb. 4wd Altered Stock

1.    No hood modifications.  Hood must be steel and no upright headers.

2.    Tires must be D.O.T. approved for highway use and uncut. 

3. Protest rules in effect.

4.  The decisions of the pulling officials are final.

5. Kill switches are mandatory.  Electric fuel pumps must be wired through the kill switch.

6. Trucks must have a full body, no flat beds, or inner beds removed. (Street & altered
NOT super stock).

7. Will allow racing seat.

8.  No fuel tanks or batteries mounted in front of the truck.

 

Weights:
1. Front weights to be a maximum of 60” from center of front axle.
2. No loose weights in cab.


 
Hitches:
1. Maximum hitch height is 26 inches, & minimum 42 inches from center of rear end maximum of 48 inches.
2. You must use a steel plate hook point with a minimum 31/2 inch hole.
3. Pivot point of hitch cannot be forward of center of rear axle. It must be below top of frame rails, and hook point must be behind frame rail or body.
 4. Hitches must be tight and have no movement in any direction.                        

 

Engines:
1.  Engines must be pumped before your first pull for the season.
2. Maximum 514 cubic inch limit, 1% tolerance.
3. Single four-barrel carburetor is allowed.
4. No predator, dominators, king demons (or there equivalents) turbos, or superchargers.
5. No fuel injection unless factory equipped.
6. Cast iron block and heads only, except FORD FE allowed to run aluminum cylinder header.

7. Aluminum intake may be used.
8. No pressurized fuels. No 100% alcohol fuel.
9. Front of engine block cannot extend more than 10 inches of the center of the front axle. Front axle must be in stock location.

10. Balancer must be S.F.I. approved or covered 360 degrees with 1/4 steel.
 

Transmissions & Drivelines:
1. Maximum wheel base 134 inches center to center.
2. Stock one ton or less drive-line.
3. May block frame solid. MUST HAVE u-joint covers & drive shaft loops on front & rear shaft.
4. Must have scatter proof bell housing or automatic tranny blanket, and S.F.I. flywheels.

 

5500# 2WD Small Block


Engines:
1.    Engine must be small block no exceptions.
2.    Maximum size 360 cubic inch.  1% tolerance, naturally aspirated V8 engine.
3.    Cast iron block and cast iron heads (23 degrees, +/- 1 degree ) only.
4.    Single four-barrel carburetor.  4150 maximum.  No Dominators.
5.    Aluminum intakes allowed must accept 4150 flange. No 4500 series intakes.
6.    The front of the engine block cannot extend more than 160 inches forward of the center of the rear axle or 20 inches forward of the center of the front axle.

7.    Balancer must be S.F.I. approved or covered 360 degrees with ¼ steel.
8.    No roller-cams.

9.   Gas only.  No 100% alcohol fuel.
 

Hitches:
1.    Maximum hitch height of 30 inches.
2.    Minimum 36 inches behind center of rear axle.
3.    Maximum 48 inches behind center of rear axle.
4.    Pivot point of hitch cannot be forward of the center of the rear axle.
5.    Must be rigid at all hook points.
6.    Must be no smaller than 3.5 inch hole at hook point.
 

Wheels and Tires:
1.    Can run any D.O.T. uncut tire.
2.    Maximum tire height of 35 inches and a maximum width of 14 inches.
 

Transmission and Drive Lines:

1.      Stock altered frames, no tube chassis.

2.      Maximum wheel base of 140 inches center to center.

3.      All U joints and yokes must have 360-degree covers, 6 to 10 inches long, and be .125 inches think steel or .25 inch thick aluminum.  Covers must be attached with a minimum of 2 grade 5, 3/8 inch bolts.

4.      Drive shaft loops required.  A minimum of 2 grade 4, 3/8 inch bolts must be used to attach loops to frames.

5.      Bell housing must be covered by one of these methods:

a.       Scatter-proof bell housing

b.      Transmission blanket

6.        Any rear end allowed.

 

Weights and Safety:

1.    Weights can be mounted anywhere on the truck in a safe manner, no lose weights in cab.

2.    Weights can not extend more than 60 inches forward of the front axle. 

3.    Driver must wear a seat belt.

4.    Batteries must be in a protective case if inside the cab.

5.    Must have working kill switch on rear of truck must kill electric fuel pump if it quits.

6.    Brakes must hold truck.

7.    Must have a radiator overflow.

8.    Drivers must be 16 years of age and have a valid drivers license.

9.     Hood required covering as much area as possible.

10. Engine side shields required unless inner fenders are installed.

11. Nerf bars at least 8 inches behind clevis or body to prevent damage.

12. Must have wheelie bars, maximum ground clearance of 6 inches and minimum of 18 inches behind rear axle.

13. Fuel tanks are allowed to be in front of vehicle if they are S.F.I. approved and have braided hoses and pressure coupler.

14. All rules are in effect for 3 years (from the 2010 season through the 2112 season) with the exception of safety requirements approved by the Board of Directors.
   

 

 

6200lb. 2wd Super Stock

 

Engines:
1. Maximum single 475 cubic inch 1% tolerance, naturally aspirated V8 engine.
2. Cylinder heads: two valves and one spark plug per cylinder. Aluminum heads are allowed.
3. Legal aluminum heads: CHEVROLET: dart-320, 360, and Pro 1, Brodix 1 & 2, and all Edelbrock. FORD: Cobra jet, Blue Thunder and TFS A460. CHRYSLER: Indy 444-1. Not limited to these heads, but must meet A & B.
3a. Must have cast aluminum manifold.
3b. Must except stock rocker arm assembly.
4. The front of the engine block cannot extend more than 160 inches forward of the center of the rear axle or 20 inches forward of the center of the front axle.                        

5. One carburetor, gasoline only.

6. Balancer must be S.F.I. approved or covered 360 degrees with 1/4 steel.
 

Hitches:
1. Maximum height 30 inches.
2. Minimum 36 inches behind center of rear axle.
3. Maximum 48 inches behind center of rear axle.
4. Pivot point of the hitch can not be forward of the center of the rear axle.
5. Must be rigid at all hook points.
6. Must be no smaller than a 3-1/2  inch hole at the hook point.

Tires & Wheels:
1.Can run any size street legal DOT tire, uncut.  Maximum size 35x12.50 or 3.75x65 metric.
2. No split rims; snap rings or dual wheels.

 

Transmissions & Drivelines:
1. Stock altered frames. No tube chassis.
2. Maximum wheel base 140 inches center to center.
3. All u-joints and yokes must have 360 degree cover, 6 to 10 inches long, and 125 inch thick steel wall (no exhaust pipe). Aluminum must be .250 inch thick &    attached with grade 5-3/8 bolts & a minimum of 2 required.
4. Solid drive shaft loops required. Must be fastened with at least 2 grade 5-3/8 bolts.
5. Must have a fully enclosed S.F.I. approved explosion proof bell housing on standard transmission.
6. Must have S.F.I. approved flywheels for both automatic and standard transmissions.
7. Automatic transmissions must have S.F.I. approved flywheel shield and transmission blanket, or tunnel shield.
8. Any rear axle is allowed, but no planitaries.

 

 Weights & Safety Rules;
1. Weights can be mounted anywhere on the truck in safe manner. No Loose weights in cab.
2. Weights cannot extend more than 60 inches forward of the center of the front axle, or any part of the truck.
3. Driver must wear seatbelt.
4. Batteries must be in protective case and must have a battery disconnect switch on outside if mounted in front.
5. Must be mounted and working fire extinguisher in the cab.
6. No gas tanks in the cab, unless factory installed.
7. Must have working kill switches and they will be checked.
8. Brakes must hold vehicle.....steering brakes are allowed.
9. Must have radiator overflow.
10. Drivers must be at least 16 years of age and have a valid driver’s license.
11. No car bodies, vans, blazers, broncos, or fiberglass bodies allowed. With the exception of fiberglass hoods only.
12. Hood required covering as much area as possible.
13. Engine side shields required (.100 for steel and .125 for aluminum), unless inner fenders are installed.
14. No holes in firewall or floor larger than 1 inch.
15. Balancer must be S.F.I. approved or covered 360 degrees.
16. Nerf  bars at least 8 inches behind clevis or body to prevent injury.
17. Fuel tanks are allowed to be in front of vehicle if they are S.F.I. approved and have braided hoses and pressure coupler.
18. 2wd- must have wheely bars. Maximum ground clearance of 6", and 18" behind rear end.

 

Michindoh Open Class Rules


Michindoh legal vehicles only.  100% payback.

 

6000lb. 4WD Stateline Pro Street

 

General Rules:
1. Trucks must be licensed, street legal, and have proof of insurance.
2. Drivers must wear approved helmets.
3. No hood modifications.
4.Tires must be D.O.T. approved for highway use. 12.50 x 33 inches, or 3.75x65 metric  maximum tires size. No cut tires, No boggers.
5. Stock one ton driveline or less, u-joint, driveshaft, rear end, etc.
6. You may block the frame.
7. No special bumpers, snowplow hook ups, or brush guards.
8. The decisions of the pulling officials are final.
9. Trucks must have reverse lights of some sort.
10. Will be a points class.
11. Must have drive shaft loops and U-joint covers, scatter-proof bell housing or blanket and a kill switch.
12. Any unsafe manner of vehicle (on or off track) will be disqualified.
13. Top 3 placing trucks may be teched after pull. Any truck in violation will forfeit placing and hook fees, Truck will not be allowed to pull again until violation is corrected.

14. No fuel cells or added gas tanks.

15. All drive lines in factory location. (No moving axles or transmissions or engines.)

16. Must have OEM transmission and transfer case

17. Balancer must be S.F.I. approved or covered 360 degrees by 1/4 steel.

18. Truck must have a full body Recommended now and will be required for the 2011 season.
 

Weights:
1. Weights can be added, but must be secured in the bed of the truck.
 

Hitches:
1. Hitch is to be no more than 22 inches off the ground, and hook point must be 48 inches minimum from rear axle.  Pivot point of hitch cannot be forward of center of rear axle and must be below top of frame rail.
2. You must use a clevis style hooking device.
4. Hitches must be tight and have no movement in any direction.
5. Drivers must furnish the 3-1/2 inch clevis. It must be a twist horizontal type.
 

Engines:
1. Maximum 472 cubic inch. Only factory equipped trucks over this rule will be permitted. EX. - 496 Chevy, 488 Dodge. Engine must be in factory location.
2. Single four- barrel carburetor.  850 C.F.M. carb double pump maximum.  No Dominator or King Demond. 
3. No fuel injection unless factory equipped.
4. Cast iron block and heads must be used. No aluminum blocks or heads unless OEM to that vehicle.  All blocks and heads must have OEM part number. No Merlin or Dart parts.!!!!!!!!
5. Aluminum intakes are allowed.
6. Headers are allowed. All exhausts must run through the muffler and be at least to the rear axle.
7. No magnetos.
8. No electric water pumps.  They must be belt driven unless factory equipped.
9. 94 octane gas or less. No race alcohol, LP, Nitrous oxide, fuel additives.



 

 

10,000lb. Hot Farm Tractors 

Engines:
1. Maximum 540 cubic inch limit, 1% tolerance.
2. Water injection is allowed.  No oxygen carriers or combustion accelerators allowed.  Water only.
3. Factory aftercooler allowed. AGRICULTURE/OEM USE ONLY.
4. Turbos limited to 3" inlet, 31/2" outlet, no waste gates. Wheel must rotate in the bore.
5. No additional openings in compressors housing outside the 3" opening. MWE groove is allowed to be open.
6. If turbo inlet is larger than 2-3/4" ID, must have a 2-3/4" ID (+ or - .005), restrictor plate, no taper allowed, round opening 3/4" thick (+ or - .005). Maximum of 1/16" radius in the bore opening.
7. Restrictor must be screwed and sealed ( o-rings or gasket sealer) to the front face of the compressor housing.
8. No spacer plate behind or in front of restrictor plate.
9. Maximum of 6" from the front of the restrictor plate to the face of the compressor wheel.
10. Factory cast iron cylinder head and block, no aluminum or deck plates.
11. Diesel fuel only, no additives or pressurized fuels, NTPA fuel guidelines 409.
12. Stock appearing manifolds, intakes and exhaust.

13. The largest fuel injector pump allowed will be a P-pump with only one plunger per cylinder.

 

Hitches:
1. Hitch height is maximum of 20 inches.
2. Must be within 18 inches to 30 inches behind the center of the rear axle.
3. Must be ridged with no movement in all directions.
4. No more than 11/2 inch difference between hitch mounting point and hitching point.
5. Hook hole is required to be a minimum of 31/2 inches ID (allow ample room for person hooking the chain).

Tires & Wheels
1. Maximum tire size 20.8/38.
2. Cut tires are allowed.
3. Front tires must track rear tires.

Safety:
1. Emergency air shut-off is mandatory (must be easily accessible to person hooking the chain).
2. If equipped with an electric fuel pump, tractor must have:

a. an electric kill switch wired to the emergency air-shut-off, or

b. a manual three-way dump valve ahead of the injection pump, to be operated by

    the driver.
3.Must have fire extinguisher that is within reach of the driver.

4. Must have working, individual rear brakes.

5. Must have wheely-bars.
6. Must have clutch blanket or steel shield installed 270 degrees 3/8 inch thick, and 12 inches wide.
7. Seat belts required.
8. Roll over protection mandatory.
9. Must have a steel flywheel and clutch assembly.

10. Engine side shields are mandatory.  Shields must be solid and a minimum of .060” thick if steel, or .120” thick if aluminum.

11. Tie-bars securing front frame rails to rear axle housing are highly recommended.

Appearance:
1. Tractor must be in stock appearance, hoods, grills, & fenders, (except injection pump & after cooler).
2. Must have stock appearing frame rails. No tube-style frames allowed.  Upgrades will be permitted for safety reasons, only if approved by board of directors. 
3. Maximum wheel base is 114”.

4. Maximum length is 13’ from center of rear axle to forward-most part of tractor, including weights, not including front hitch.

 

 

8,000# 2.6 Diesel

1.      Weight class is 8,000lbs. 

2.      Hanging weights are allowed.  Weights may be in the bed.  No weights in the cab or in the engine compartment.

3.      Batteries must be securely mounted.  They may not be located in the driver compartment or forward of radiator core support.

4.      The body must be O.E.M.  Truck body must include a full bed floor.  The body must retain full sheet metal.  After-market hoods are permitted. 

5.      Four-wheel hydraulic brakes are mandatory.                                                             

6.      O.E.M. chassis – the engine must be in the O.E.M. location.  Wheel tubes, back half conversion, tube chassis, etc. are prohibited.

7.      Radiators must be in the stock location and be of least stock size. 

8.      All drivers must have a valid state driver’s license. 

9.      An O.E.M. transmission and transfer case are mandatory.  They must have been an option on a one-ton or smaller.      

10.  The O.E.M. restraint system is mandatory and must be worn.

11.  The engine is limited to stock-appearing O.E.M. make-specific compression ignition engine.  The engine must be governed to a maximum of 4500RPMs unless the O.E.M. governed speed is higher.    

12.   Exhaust must exit rearward of the driver’s compartment.  Stacks through the hood or fender-well are prohibited.        

13.  The O.E.M. firewall is mandatory.   

14.  The complete O.E.M. floor pan is mandatory.     

15.  The fuel must be pump #1 #2 diesel only.  Soy/bio-diesel fuel is permitted.  Off-road diesel fuel is prohibited.                     

16.  The injection pump is limited to a stock appearing O.E.M. engine model-specific pump.

17.   The O.E.M. fuel tank is mandatory and must be used.  Racing fuel cells are prohibited and must be removed from the vehicle.

18.  The hitch must be a “Reese”-style hitch.  Trick hitches are prohibited.  The hooking point must be the rear most point on the vehicle and must be rearward of the stock location of the tailgate.  The hitch may not exceed 26 inches.  

19.  A complete interior included dashboards, door panels, headliner, etc is mandatory.  Two matching front seats are mandatory.  All factory controls (lights, signals, horn, windows, wipers, etc) must be retained and be operative.

20.  Nitrous oxide is prohibited.  No other oxygen extenders are allowed and must be removed.

21.  Propane is prohibited.  All system components must be removed from the truck.

22.  Water injection is prohibited.  All system components must be removed from the truck.  

23.   A non- O.E.M. rear-end housing are prohibited.  It must have been an option and on a one-ton or smaller truck.

24.  Tires must be DOT street tires.  Cut tires are prohibited. 

25.  Turbo chargers are limited to a 2.6 inducer size.  No slugs or plugs unless the inducer wheel is nipped down to 2.6.

26.  The vehicle must retain the original factory wheelbase and truck width

27.  An O.E.M.- style suspension is mandatory.  Lowering and raising the vehicle height with suspension mod. is permitted.  Traction bars are permitted.  Blocked rear ends are allowed.  Drive shaft loops, u-joint shields, and kill switches are mandatory.

28.  All drivers must wear approved helmet.

 

8000# 3.0 Diesel

 

1.  Hanging weights are permitted.  Weights may not extend more than 60 inches from the center of the front axle. 

2.    The batteries must be securely mounted.  They may not be located in the driver compartment or forward of the radiator core support.

3.    The body must be O.E.M. truck body including the full bed floor.  The body must retain full sheet metal.  

4.    4-wheel hydraulic brakes are mandatory.   

5.    The O.E.M. chassis is mandatory.  The engine must be in the O.E.M. location for the body used.  The vehicle must retain full O.E.M. chassis.  Wheel tubs, back-half conversions, tube chassis, etc. are prohibited.    

6.    The radiator must be in the stock location and at least stock size.

7.     All drivers must have a valid state driver’s license.  

8.    The O.E.M. restraint system is mandatory and must be worn.

9.   Drive shaft hoops and U-joint shields are mandatory on all exposed joints and shafts and must be securely mounted.      

10.   The engine block must have been available as a factory option on a one-ton or smaller truck.  Blocks must circulate coolant freely.  The use of concrete or other block fillers are prohibited. Engine RPMs are unlimited.

11.   All vehicles must be equipped to direct exhaust upward.  The exhaust must exit rearward of the driver’s compartment.  2-3/8” diameter bolts must be placed through the exhaust pipe in a cross pattern within one inch of each other and as close to the turbo as is practical.

12.   A fire extinguisher is mandatory and must be securely mounted.

13.   The complete O.E.M. firewall is mandatory.

14.   The complete O.E.M. floor pan is mandatory.

15.   The fuel injection pump is limited to a stock-appearing, O.E.M. 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.

16.   The O.E.M. fuel tank is mandatory and must be used.  Racing fuel cells are prohibited and must be removed.

17.  The hitch must be a “Reese”-style hitch.  Reinforcements are permitted.  Trick hitches are prohibited.  The hooking point must be the rear-most point on the vehicle and must be rearward of the stock location of the tailgate.  The hitch height from the ground may not exceed 26 inches.

18.   A complete interior including dashboard, door panels, head liner, etc. is mandatory.  Two matching front seats are mandatory.  All factory controls (lights, signals, horn, windows, wiper, etc.) must be retained and be operational.

19.   Nitrous oxide is prohibited.  No other oxygen extenders are allowed and must be removed from the truck. 

20.  Propane is prohibited and the system must be removed from the truck.

21.  Open rear-end drop boxes are permitted.

22.  Rear suspensions may be blocked.  Traction bars are permitted.  

23.  The tires must be DOT street tires.  Cut tires are prohibited.

24.  The vehicle is limited to a single turbo charger.  The inducer bore on the compressor housing may be no larger than 3.0 inches measured at the smallest diameter area of the compressor wheel. A bushing is permitted to down size the compressor housing ahead of the wheel.

25.  Water injection is prohibited.  All system components must be removed from the truck.  

26. All drivers are required to wear helmets and jackets with a SFI rating of 3-2a-1.  

 

 

AMERICAN

Big Block Modified Rails

2009-2011

 

 

This class is designed specifically for growth and to be affordable to everyone.

  1. These rules will remain in effect for 3 years.
    1. Safety revisions are the only exception.
  2. There is a $50.00 protest fee – State what is being protested – If protest is found valid money is returned to protester. – If tractor does not meet class specifications is out for the next two pulls. – Second time offenders are out the rest of the year.  If protest is valid the protested tractor get the $50.00 – Protest has to happen while tractor is on the track – Protester must pull in the class.
  3. All tractors will be inspected and certified by at least 2 technical committee members.

Chairman:        Dan Moriarity             260-375-2553

                        Ron Bell                      260-375-3024  cell 260-228-1030

                        Rick Bell                     260-468-2268  cell 260-224-3299

                        Kent Poulson              260-375-3106

                        Perry Hanlin                260-731-2011

 

 

Big Block Modified Rails

 

 

  1. Weight
    1. 5500

 

  1. Driver
    1. 16 years or older

 

  1. Tires
    1. 18.4 x 38 max
    2. Any cut
    3. Rear rims must be steel
    4. Bias or radial
    5. No duels

 

  1. Fuel
    1. Commercial pump gas
    2. Race gas
    3. Aviation fuel
    4. No alcohol
    5. No nitrous oxide
    6. No pressurized fuel tank

 

  1. Engine
    1. American made big blocks
    2. 500 cubic inches or less – 502 Cadillac motor will be allowed but cannot be over stock cubic inch.
    3. Must be cast iron block, heads, and single barrel or four barrel cast iron intake manifold – with visible factory casting numbers – all must be same manufacturer
    4. 2 valves per cylinder
    5. 1 spark plug per cylinder
    6. No overhead cams
    7. Must be naturally aspirated on carburetion
    8. Headers must be exhaust in  upward direction
    9. Flat tappet camshaft only
    10. No roller rockers
    11. All tractors must use a Holly model 4777 carburetor – No modification to carburetor except for tuning.  Tuning includes accelerator pumps, jets, power valves, and sight glass fuel bowls.  Choke plate can be removed but the choke air horn must remain intact.  Space plate, if needed between carburetor and intake 1 inch maximum thickness.
    12. Distributors – Any factory or after market distributor O.E.M. with vacuum pod.
    13. Ignition – M.S.D. #6AL-6420- rev limiter box with 6000 rpm chip.  Tech committee will check RPM’s with a 2500 chip at pulls, also 6000 chips will be randomly traded by tech committee at each pull.

 

  1. Tractor
    1. 2 wheel drive farm type tractor only – with original transmission housing attached to the rear end – must have at least one forward and one reverse operable gear – no planetaries – no extra transmission or gearing of any kind outside of the tractor’s transmission housing other than the automatic transmission of the engine – Tractor gearing can be changed
    2. Maximum length 14’ from center of rear axle to furthest point forward including weights
    3. Must have wide front end – Front tires must track inside rear wheel tread
    4. Must have working brakes

 

  1. Hitch
    1. 20” maximum height
    2. Hitch point 18” maximum behind centerline of rear axle – the distance behind hitch hole may not exceed more than 1-1/2”
    3. Must be rigid in all directions
    4. Minimum opening 3 -1/2”
    5. Minimum 1” thick maximum 1-1/4”
    6. Turn buckles or hitch adjustor cannot be higher than the center of the rear axle

 

  1. Wheelie Bars
    1. Must support weight of tractor in its heaviest class
    2. Must extend a minimum of 32” behind the center of the rear axle
    3. Pads must be a minimum of 5” square inches and not more than 10” off the ground
    4. Wheelie bars are to be mounted separate from hitch

 

  1. Miscellaneous
    1. There will be a required driver safety enclosure made from a minimum of 2” tubing or larger, with at least 2” of clearance between inner fenders and tires – enclosure will not be certified until strength tested by having a loader tractor tie on the top of the enclosure and pulled sideways to lift rear tire off the ground – refer to attached diagram for minimum building specifications. Tube must be a minimum of .090" wall thickness.
    2. Deadman throttle required – spring at carburetor return to idle
    3. Ignition kill switch required – must stop fuel pump and ignition – must be mounted above hitch plate – must run electric fuel pump
    4. Electric fan required – absolutely no fan blades on engine
    5. Fire extinguisher – mounted within driver’s reach – must be readily accessible and a minimum of two pounds
    6. All belts must be 360 degree shrouded with 1/16” steel or 1/8” or thicker aluminum - Harmonic balancer must be surrounded by 360 degrees by ¼” steel or a SFI approved harmonic balance wheel
    7. Universal joints, chain couplers and/or drive shaft must be surrounded 360 degrees by ¼” or thicker steel (entire shaft length) Round drive shaft cylinder required
    8. Automatic transmission must be surrounded from rear of block to tail shaft housing with either an approved transmission blanket or ¼” steel
    9. Automatic transmission must have a park and/or neutral start safety switch
    10. Everyone must run an automatic transmission with a torque converter – mounted directly to the back of the engine
    11. Side shields – must be made from 1/8” or thicker steel or ¼” or thicker aluminum – must cover from front to rear of block and cover from the bottom of the head to 2” below crankshaft center line – must be secured at all four corner
    12. All tractors are to be driven on all occasions.  The only exception is pull offs or mechanical breakage.

 

  1. Driver Safety Equipment
    1. Single layer fireproof driving suit
    2. Helmet – DOT approved
    3. High back molded vinyl, fiberglass or aluminum race seat
    4. Lap belt
    5. Reverse clear back up light
    6. All non-bared fitting (cooling or fuel) must be double clamped