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Pro Farm Turbo 9500 lb
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Rules: All General Rules and Safety Rules apply to the Turbo Class unless otherwise
specified in the following rules.
- Engine: Engine, not to exeed 640 ci, must be of same manufacture as tractor with the
same number of cylinders. (I.e. an International tractor must have an International engine.) Engine must bolt in manufacturer's intended location.
- Only factory equiped intercoolers using engine coolant allowed.
- Engine RPM: Engine is not to exceed 3000 RPM under no-load conditions. Throttle
arm must hit stop screw on injector pump. Each tractor will be checked while in line and waiting too hook. R.P.M. to be checked by Tech Committee with photo-tach or other means furnished by the AFPA.
- Charger! Injector Pump Setup: 3m 3out small foot: any pump up to and including a
bosh p pump is allowed. Bushings: Reducing bushings or sleeves will not be permitted in either case. Bolt-ons: Tractors built as naturally aspirated may use bolt on Turbochargers. Water Injection: Water injection allowed. No pressurized tank systems are allowed.
- Maximum tire sizes: 20.8 x 38 any cut tires allowed.
Protest Rule: If a tractor is protested, the protest must be made to a member of the Tech Committee by a competitor in same class either before the pull starts or before the tractor in question leaves the pulling track, a protest fee of $500 must be paid by protester, which will go to protestee if the tractor is found to be legal. All points and prize money for that pull will be forfeited .protest fee returned to protester, and protestee barred from pulling at club sanctioned pulls for one year, if tractor found to be illegal or refuseal of tear down
Turbo Safety Rules
- Air Kill: An positive air kill device must be placed on the inlet side of the charger to prevent the ability to build boost. The cable or linkage used to activate this device must be accessible to the sled and driver while in seated position
- Exhaust Pipe: Two 3/8 inch, Grade 5 mm. bolts must be placed at 90 degrees and less than 1 inch apart in the pipe and after the charger outlet.
- Hood Line: All Chargers must be under the stock hood or be shielded 360 degrees. If hood is fiberglass charger must be shielded.
- Side Shields If side shields are used they must be made of either 0 060-inch mm thickness aluminum or 0.030-inch mm. thickness steel. If used, shields must cover the entire engine compartment. Side shields must be easily removable.
- Dead Man Throttle: Throttle must be spring loaded or otherwise made so that, if released, the engine returns to an idle while running.
- Fire Extinguisher: All tractors are to carry a working ABC or Halon type extinguisher that is readily accessible to the driver while in the seated position.
- Tip-over Bars: Required as per Safety Rules. 8.Roll cage recommended in 2008.Roll cage required for 2009!!!!!
Modified Farm STOCK
- All general and safety rules apply to farm stock class.
- Maximum tire sizes per weight class are:
5000&6000lb. 15.5x38or16.9x30 7500, 9000.& 10,000 lb.-18.4x38
Shaved tires are allowed as long as front of cleat has not been cut.
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