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To order a 2009 NTPA rulebook, either call the NTPA office at 614-436-1761 or mail $6 plus $2 shipping and handling to WPI/NTPA, 6155-B Huntley Rd. Columbus, OH 43229 You may also order by e-mail at: bev@ntpapull.com with credit card info.
Larry Richwine, Director of Technical Services
6705 E 900 N, Brownsburg, IN 46112
PH 317-852-0630 FAX 317-852-6459
ntpaw@aol.com
NOTE: SPECIAL THANKS TO CAHALL BROS... Click HERE to view!
(Updated 9/21/09)
The following rules will take effect for the 2010 NTPA season:
General Rules:
1. Any class that specifies a maximum limit of "P" pump limit be limited to a 3000 or 7100 series. (no aftermarket housings)
2. Component chassis tractors will be allowed to run any agricultural tractor sheet metal (1960 or newer) with any legal block. Block does not have to be the same brand as sheet metal.
(This applies to both Super Stock and Pro Stock tractor divisions)
3. Each engine is required to have its own "Kill switch" both on the rear of the vehicle and within the reach of the driver. A maximum of 2 (two) tie straps allowed on Kill Switch/s on rear of vehicle.
4. All supercharger rotor lengths will be measured internally
5. If a floating finish line is used it will be a maximum of 330 feet allowed and the chalk line will extend to 330 feet.
6. Support Vehicles - each team will be allowed one, licensed support / utility vehicle that is recognized as an allowable motorized support vehicle to be used at events. Number of seats allowed not to exceed the original OEM seating capacity. These vehicles are subject to approval from NTPA Tech services. (no racing type vehicles)
7. The intake manifold burst panel must face away from driver unless a diverter plate is used. (All Divisions)
8. Helmet face shield must be down during competition run. (All Divisions)
9. All controls in driver's compartment i.e. fuel shutoff / air shutoff/ ignition / throttle / shifter must be accessible while strapped in five point harness. (All Divisions)
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Modified and Unlimited divisions: No changes at any level from 2009
Pro Stock and Super Farm divisions: No changes at any level from 2009
TWD, FWD, SMFWD and Diesel SSFWD divisions: No changes at any level from 2009
Diesel Pro Stock FWD Trucks (new class)
(ST / RN class only)
1. Diesel trucks only, maximum weight 8,000 lbs.
2. All normal NTPA FWD / Diesel SSFWD rules, including shielding, safety and SFI requirements, apply to this class plus the following rules:
3. Trucks must have working brakes.
4. Trucks must have full size steel or OEM type body. The bed of the truck must have metal floor. If bed is gutted, 200lbs. of movable weight must be placed rearward of the centerline of the rear axle.
5. All front axles must have coil or leaf springs and must be in stock location.
6. Engine must remain in stock location.
7. Maximum engine size 460 cubic inches.
8. Engines may be changed to cross factory lines of manufacturing. (Cummins may be put in Chevy or Ford) No after market blocks or heads.
9. Maximum "P" series pump 3000 or 7100 series only (No aftermarket housing). with a 1 plunger per cylinder limit. (No Sigma pumps)
10. All vehicles are limited to a single turbocharger with an inducer bore in the compressor housing no larger than 3.0 inches measured at the smallest diameter area of the compressor wheel. Compressor wheel must protrude through housing at least 1/8 inch. All provisions allowing air to the wheel other than via the bore are prohibited. Map enhancement grooves allowed.
11. Wheelbase maximum 158"
12. Hitch hook point must not be less than 44" from the centerline of rear axle..
13. Hitch must not exceed a max of 25 degree angle from pivot point to hook point.
14. DOT street legal tires are only tires allowed. No altered, cut or recap tires. 35" tire maximum height.
15. Dual rear wheels are allowed.
16. Mechanical or electronic fuel injection permitted
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Mini Rod division
1. All Mini Rod classes will run at 2050 lbs.
2. Superchargers 14-71 and smaller are limited to a maximum 45% overdrive at GN level only
Semi division:
1. Rear axle must be rigid to the frame in all directions. Axle must not move from main frame of truck
2. Pro St. Semi limited to one turbo any size.
Limited Pro St tractors:
1. No engine larger than 640 cid. (+ or - 1 percent)
2. No inlet restriction.
3. Turbo limited to a 4.5 outlet. All exhaust must flow through this restriction.
Heavy SS
At Regional level all tractors will run 20" drawbar with the weight at 8000 for alcohol and 8300 for diesel.
Light SS
Tractors at RN level only will run component tractors at 6200 lbs. and the agricultural rearend tractors at 6500 lbs
Diesel SS
Tractors with 4 turbos and three stages of air are limited to 540 cubic inch maximum.
Light Pro Stock tractor class (new class)
All OEM chassis Pro Stock rules, including shielding, safety and SFI requirements, apply to this class plus the following rules.
Class weight 8500 lbs.
A. Engines
1. No engine larger than 540 cid. (+ or - 1 percent)
2. No component chassis
3. Engine head must be OEM agricultural-type for that brand engine. (No billet)
4. No overhead cams allowed.
5. Maximum 2 valves per cylinder
6. No inner / after coolers
7. Diesel fuel only
8. Maximum allowed "P" pump 3000 or 7100 series only (No aftermarket housing). Only one plunger per cylinder allowed.
9. Any size turbo may be used
B. Competition
Light Pro Stock tractors are allowed to compete in the Limited Pro Stock and
RN Pro Stock classes.
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Rule Clarification
In respect to driver's safety and to further the meaning of "strong, rigid seat" the following rules have been added to meet necessity.
This rule takes effect immediately.
2009 NTPA rulebook
IV. GENERAL RULES
Pg 35 Letter P. Seats and Fenders
1. All vehicles must have strong, rigid seat and fenders
a. All competition vehicles must be equipped with a driver's seat that is constructed from a solid material that is formed or welded as one piece.
b. Seat must be formed on each side to protect the driver's hip area.
c. Seat back must extend vertical from base of seat to driver's shoulders.
d. Seat must be securely fastened to vehicle chassis with a minimum of 4- 1⁄4" grade 5 bolts, 2 across front of base and 2 across rear of base.
e. Seat must be constructed from material equivalent in strength to no less than 1/16" aluminum.
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Last Updated on Wednesday, 07 October 2009 21:55 |
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