Please call Loy or Scott with any questions!
NPPA RULES AND REGULATIONS 2009 & 2010
Officers for 2009 & 2010
President Loy Woerman 402-568-2536
Vice President Scott Jensen 605-428-5987
Secretary Bryan Banghart 402-443-6959
Treasurer Kevin Sladky 402-480-2468
Website Manager Jeff Malousek 402-443-5958
TIs (North)
Chris Beerbohm 402-650-5994
Larry Renter 402-568-2679
TIs (South)
Robin Bartlett 402-520-2847
Brian Purchase 402-639-6112
NEBRASKA POWER PULLERS GENERAL RULES
1. General rules apply to all classes except where individual classes state otherwise.
2. All contestants must be 16 years of age to pull. Any contestants between the ages of 16-18 years old must have a signed parental consent form.
3. Annual membership fee is $50.00 per person plus an insurance fee of $150.00. A $15.00 fee per hook is also required. (At time of event)
a. An annual membership fee must be paid in order to have your name registered on the mailing list for that year.
b. A one day membership/insurance may be purchased for a fee of $60.00.
c. Insurance fee waved with proof that you are an existing USPA member.
4. Vehicle must have a technical inspection (T.I.) before the first sanctioned pull. T.I. dates will be scheduled by the T.I.s. If you are unable to be inspected on a scheduled day, you must arrange a date with the T.I.s. All vehicles must be weighed on a T.I. certified scale.
a. You may be allowed a waiver on T.I. infractions for the first event as deemed acceptable by the elected officers. However, you must comply with the T.I. by the second event or otherwise specified date.
b. Either a one day or full membership fee must be paid before your vehicle is eligible for a T.I.
c. Any changes on vehicles are subject to re-inspection.
5. Fuel injection and forced induction not allowed unless permitted by the class rules.
6. Naturally aspirated engines only unless permitted by the class rules.
7. Nitrous Oxide not allowed unless specifically stated in class rules.
8. No dual rear wheels.
9. Only one automotive engine per vehicle unless class rules state otherwise.
10. All competitors in all divisions are required to use a numbered SFI 1.1/1.2 spec clutch, flywheel, and SFI 6.2/6.3 spec bell housing or SFI 4.1/4.2 spec scatter blanket. A signed and notarized clutch, flywheel, and bell housing/ scatter blanket liability statement must be on file with the NPPA for each competing year before qualifying for a T.I. inspection.
a. A certified public notary should be available to sign these statements at most every event.
11. Transmission bell housing and scatter blanket requirements:
a. All auto transmissions and torque converters must be covered 360 degrees from the rear of the engine block to the front of the tail shaft with an SFI 4.1 spec blanket. Blanket must be fastened to the engine block with two straps, one above and one below the crankshaft centerline. Blanket must have 6 of overlap on the bottom with straps that are 2 wide and no more than 1 apart.
b. All manual transmission clutches are required to be surrounded by an SFI 6.2/6.3 spec bell housing or a SFI 4.1/4.2 spec scatter blanket that covers the entire bell housing area from the rear of engine to the front of the transmission. Blanket must be fastened to the engine block with two straps, one above and one below the crankshaft centerline. Blanket must have 6 of overlap on the bottom with straps that are 2 wide and no more than 1 apart.
c. No holes allowed in the bell housing other than those put in by the manufacturer or used for clutch engagement purposes.
12. Driveline Requirements:
a. Any driveline between an engine and transmission or transfer case must be enclosed in 5/16 minimum steel or 3/8 aluminum. Inside diameter not to exceed 2 more than outside diameter of largest u-joint. Must be fastened every 6 with at least 3/8 Grade 5 bolts, or butt and seam welded and securely mounted to vehicle frame.
b. Any 2WD vehicle with a driveshaft shield 60 inches or longer that is not adequately secured in the middle must have a 2 nylon strap attached to the shield and to the frame.
c. All 4WD vehicles must have 3 round metal loops made of 5/16 steel or 3/8 aluminum (with 1/8 steel insert) around each driveshaft. End loops must be used to cover entire width of u-joint (a minimum of 6 wide) while the center loop must be at least Ύ in width. Inside diameter of loops must not be any more than 2 from the driveshaft or u-joint in any direction.
13. A minimum .060 thick aluminum or steel deflection shielding is required on both sides of all engines. Shielding must extend the complete length of block casting, cover the area of the block from the top of piston travel to 2 below crank centerline, and be securely fastened. Solid frame rails with no holes may serve as part of the shield.
14. All throttle linkages must be of a mechanical deadman style so that they will positively return to an idle position when released.
a. All carburetor or fuel injection butterfly throttle shafts must have dual return to idle arms and springs, one on each side.
b. Mechanical diesel injection pumps must have a visible return to idle spring on the throttle arm.
c. All foot operated throttle pedals must have a toe-strap.
15. All automatic transmissions must have a positive reverse gear lockout.
16. All harmonic balancers must be rated an SFI 18.1 spec. A bolt to hold the balancer to the crankshaft is required.
a. There must be a stop in front of the balancer to prevent balancer from working forward off of crankshaft in event that the bolts come loose. Engines which use the balancer as the crank trigger are exempt from having stops so long as the engine will shut down when the balancer moves no more than 1/4 forward off of the crankshaft.
17. All engine fans must be shrouded with 1/16 steel 360 degrees. Electric fans excluded.
18. All fuel lines must be steel braided or high pressure reinforced rubber. No plastic tubing allowed unless OEM installed and approved.
19. Fuel tanks may not be in engine or operators compartment.
20. Flip top vehicles must have a safety latch when the body is up and cannot be moved or driven in the up position under their own power.
a. Flip top body type vehicles and vehicles with less than two working doors must have glass lowered or removed during competition.
b. Vehicles with less than stock size window openings must have an escape hatch with a minimum size of 17x18.
21. If battery is inside of drivers compartment it must be safely enclosed and securely fastened down.
22. Must have an easily accessible lifting means on front of vehicle for removing vehicle from the track in case of breakage. (ex - hooks, hitch or weight bar)
23. Sled stops required to prevent vehicles from passing over buckboard of sled. Bottom to be maximum 24 from the ground and must extend beyond the rear most point of the vehicle. Must be of rigid construction.
24. Hitch must have a 3 wide x 3.5 deep loop for sled hookup, be made of steel and fastened to the frame. Must be stationary in all directions. Hitch must be easily accessible in order to be hooked from the protection of the sled.
25. A 2lb Halon or 2 ½ pound dry chemical fire extinguisher required on all vehicles. Must not be expired.
26. Radiator must have a burp tank.
27. All vehicles must have working brakes.
a. Four wheel drive vehicles must have working front brakes or driveline brake. Driveline brake must be surrounded 360 degrees with 3/8 thick steel and both ends closed with 1/8 thick steel.
b. Two wheel drive trucks must have working rear brakes with the exception of trucks that do not have planetaries. In this case, the truck must have working front brakes.
28. Minimum .060 thickness hub caps or protective devices required to protect from axle nut explosion or breakage.
29. All vehicles must have an approved fire wall with no openings larger than ½ around components going through.
30. Split rims not allowed.
31. White reverse light both to the rear of the vehicle and inside the cab visible by the operator and lit while vehicle is in reverse required in all classes.
32. No vehicle is to be left running without an NPPA member inside truck or the truck is dead manned. No riders or passengers allowed at any time.
33. Kill switches required on all vehicles.
a. Must be operated from the rear of the vehicle, mounted independent of the hitch, so that the sled can shut the vehicle down. There must also be a means of shutting the vehicle down within the drivers reach.
b. See class rules for specifics and types of kill switches needed.
34. Mandatory 4 point harness and racing seat.
35. A full fire suit meeting minimum SFI 3.2A-1 spec is required. This includes: Full face helmet with Snell 1985 or SFI 14.2 rating, head sock, shoes, pants, jacket, 360 degree neck collar meeting SFI 3.3 spec, and gloves.
a. Any vehicle that is tilt body without working doors or not having an approved firewall must wear a fire suit meeting SFI 3.2A-5 spec.
36. A bed cover is required when no floor is present inside of the box.
POINT SYSTEM
You must have a fully paid annual membership in order to receive any points
2 points for attending a meeting
5 points for technical inspection on time (scheduled T.I. dates only)
CLASS PLACING GOES AS FOLLOWS:
1 point for showing up (with paid hook fee)
5 points 1st place
4 points 2nd place
3 points 3rd place
2 points 4th place
1 point 5th place
DQ will lose all points for the class
No point penalty due to breakage
Note Points go to vehicle only. Different drivers allowed so long as they are an NPPA member.
TRACK RULES
1. Time limit is 3 minutes from the time the sled is ready until the vehicle is hooked.
2. All competing vehicles must remain within the boundaries of the contest course at all times during the pull.
3. Class weight includes everything needed to operate the vehicle. This includes but is not limited to driver, tires, rims, weight brackets, blocks, fuel, ect
4. All weights must be securely fastened in all classes. Rubber tarp straps and bungee cords will not be allowed.
5. Vehicle may only pull in one (1) class and two (2) weight divisions. No class jumping allowed. You must start and finish per hook with the same driver.
6. Draw for position: First puller of a given weight class has a choice to accept or re-pull in 3rd or last position.
a. A draw will be one pull prior for position of next pull.
b. Position in light class will be pre-determined via a card draw. Heavy class will have the opposite order of light class.
c. If sled failure occurs, this will give the 1st puller the 1st option for a re-pull. If declined, 2nd puller will become 1st puller.
7. An attempt must be made to qualify for an official pull.
a. Each puller is allowed two (2) attempts. An attempt is when puller does not go beyond 100 or has started to shut down before 100.
b. Any measurable movement by the sled is considered an attempt.
8. If floating finish boundaries do not apply after 300, this must be determined before each pull.
9. Tire changes allowed between weight classes. You must have your vehicle T.I.d with each set of tires and rims mounted to your vehicle. You cannot just weigh them. You must change them to T.I. them.
10. Disqualifications (DQ) are: Any vehicle parts on track not due to breakage, any unsportsmanship like conduct on the track, and any part of the vehicle that crosses the boundary lines. All safety equipment required per class rules must be used.
11. Protests allowed but they must be done before sanctioned event is over.
a. Protests must be made to the elected officials and appropriate fees are to be paid.
b. If investigated and puller is found illegal, fee is returned to protester and illegal puller is fined and/or ruled on according to committee.
c. $50.00 non-teardown per item. $200.00 for teardown per item.
d. Protest of weights or hitch must be done right after pull.
12. Reckless driving not tolerated.
a. First offense is a $50.00 fine.
b. Second offense you are suspended for the next pull.
c. Third offense you are suspended for the rest of the season.
13. Drivers will have a pit meeting with the track officials before each sanctioned event.
14. All ruling on the track stand as called by the track officials.
15. The use of profanity in a threatening manner or physical violence among pullers, pit crews, or directed to spectators is subject to investigation by elected officials and officers. Possible disqualification of future pulls, fines, or both.
16. Liability Statement Insurance does not apply to any claim arising from the consumption or distribution of any alcoholic beverage or illegal drugs. This exclusion applies to all allegations including, but not limited to, negligent hiring, placement, training, supervision, or to any act, error or omission relating to the consumption or distribution of any alcoholic beverage or illegal drugs.
WEIGHT CLASSES
2 WHEEL DRIVE STREET MODIFIED 6000lbs light 6000lbs heavy
2 WHEEL DRIVE MODIFIED 6000lbs light 6000lbs heavy
4 WHEEL DRIVE STREET MODIFIED 5800lbs light 6300lbs heavy (Bar Tires)
6000lbs light 6500lbs heavy (DOT Tires)
4 WHEEL DRIVE MODIFIED (OBSOLETE) - NOW PART OF SUPER-MOD-
SUPER-MODIFIED light and heavy at discretion of officers
4 WHEEL DRIVE PRO STREET DIESEL SMOKERS 7600lbs light 8000lbs heavy
2 WHEEL DRIVE STREET MODIFIED CLASS RULES
1. Automotive 468 cubic inch limit. Motor must match make of vehicle.
2. Carburetor no cfm limit, factory fuel injection only, prom modification allowed. Only one carburetor allowed.
3. Aftermarket intake allowed. No tunnel rams.
4. No modifications to the frame other than reinforcement. No cut frames.
5. No body alterations with the exception of cut hoods to allow for headers and air cleaner.
6. Radiator must be in stock position. Engine must be in relatively stock position.
7. Stock appearing vehicle. No gutting of vehicle except heater box and gas tank can be removed. Front bumper must remain on vehicle.
8. Original suspension blocked only. Front and rear allowed.
9. Cepek, Goodyear, Firestone, or DOT approved bar tires (cutting allowed). Non-DOT or triple rib tires allowed on front with T.I. approval. Footprint for standard tire 31x15.5x15. Footprint for cut tire 33x15.5x15.
10. Hitch hook height is a maximum of 28. Hook point to be no closer than 30 from center of rear axle.
11. Stabilizer/wheelie bars required. Length must be a minimum of 2 back from furthermost point of the tire with a 5 square pad on the bottom. Maximum 6 high if within tire track or 10 high if not within tire track.
a. Cannot be connected to the drawbar.
12. Headers allowed, must have collectors running up and out.
13. No aftermarket or aluminum heads.
14. 2 ton rear end allowed.
15. ½ ton a-frame swap allowed allowed on Ύ ton. ½ ton straight axle allowed on any make or model.
16. Kill switch must disable both ignition system and fuel supply if electric.
2 WHEEL DRIVE MODIFIED CLASS RULES
1. 540 cubic inch limit. May use race fuel or alcohol.
2. Tractor or aftermarket Cepek tires. 36 height x 16.50 width or 16-1-18.4-38.
3. Automotive type engine.
4. Must have approved front glass, rear glass, and firewall.
5. Hitch hook height is a maximum of 30. Hook point to be no closer than 24 from center of rear axle on 15 and longer vehicles. Hook point to be no closer than 18 from center of rear axle on 15 and shorter vehicles.
6. Planetary drives and drop boxes allowed.
7. 2 speed truck rear ends allowed.
8. Stabilizer/wheelie bars required. Length must be a minimum of 2 back from furthermost point of the tire with a 5 square pad on the bottom. Maximum 6 high if within tire track or 10 high if not within tire track.
a. Cannot be connected to the drawbar.
9. Kill switch must disable both ignition system and fuel supply if electric.
4 WHEEL DRIVE STREET MODIFIED CLASS RULES
1. Automotive 485 cubic inch limit. Engine must match make of vehicle.
a. The two (2) existing 496 cubic inch engines will be grandfathered in until they are rebuilt. At that time they must be rebuilt down to class limits. 10-08
2. OEM cast iron and aftermarket cast iron heads. Aluminum heads are allowed but must have proof of documentation of OEM production.
a. Definition of OEM Production Any part or parts installed on a production run vehicle (car or truck) and its engine from the factory assembly line. Must be a genuine, matching, factory authorized OEM replacement part for that vehicle and its engine.
3. Carburetor no CFM limit, factory fuel injection only, prom modification allowed. Only one carburetor allowed.
4. Aftermarket intake allowed. No tunnel rams.
5. No modifications to frame other than reinforcement. No cut frames.
6. Stock appearing vehicle.
a. No body alterations allowed with the exception of the following: floor of box including inner fenders but must have a cover over box, stock fuel tank, heater box, rear springs, inner front fender can be removed, hood can be tilt and holes cut to allow for headers and air cleaner.
b. No open hood, battery and spark plugs must be covered. Stock seats can be removed.
c. Front bumper or suitable weight bracket must be in place.
7. Radiator must be in stock position. Engine must be in relatively stock position.
8. OEM suspension required on front axle. Rear axle may have rigid suspension. Any axle with OEM suspension is allowed to be blocked.
9. Cepek, Goodyear, firestone, and DOT approved bar tires with T.I. approval. Footprint for standard tire 31 x 15.5 x 15. DOT tires allowed up to 33 x 12.50 any rim. No cutting allowed.
10. Hitch hook height is a maximum of 26. Hook point to be no closer than 24 from center of rear axle.
11. Maximum 144 wheel base.
12. Fiberglass bodies and flat beds not allowed.
13. No aftermarket (non-OEM) transfer cases or transmissions. Drop boxes not allowed. Example No Pro-fab or SCS type quick-change transfer cases.
14. Headers allowed
a. Collectors are allowed to be run down and back but it is highly suggested that they be run up and out.
15. Front weight bracket can be no more than 60 from the center of the front axle.
16. Alcohol not allowed.
17. Kill switch must disable both ignition system and fuel supply if electric.
18. Recommended to have wheels no more than 6 off the ground within 6 of the forward most part of the vehicle. Wheels can be made to raise when not being used during competition. Can be no closer than 36 and minimum of 2 wide and 6 in diameter. Will be required in 2011.
4 WHEEL DRIVE MODIFIED CLASS RULES (OBSOLETE)
- THIS CLASS IS NOW PART OF SUPERMOD CLASS -
1. 650 cubic inch limit. Two (2) carburetors or injected alcohol with fuel shutoff allowed. Aftermarket cast iron and aluminum heads allowed.
2. Any fuel allowed.
3. Any transmission allowed. Planetary drives, aftermarket transfer cases, and drop boxes are allowed.
4. Rear of engine cannot be ahead of centerline of front axle.
5. Lift bodies allowed but must have an opening door.
6. Must have front wheelie bars that are able to support the weight of the truck.
7. 3 loop mounted on front of the vehicle for pull off.
8. Hitch hook height is a maximum of 26. Hook point to be no closer to center of rear axle than 36% of total wheel base.
9. Must have wheels no more than 6 off the ground within 6 of the forward most part of the vehicle. Wheels can be made to raise when not being used during competition. Can be no closer than 36 and minimum of 2 wide and 6 in diameter.
10. Maximum 20% angle on hitch. Hitch support cannot be ahead of center of rear axle.
11. Maximum 140 wheel base.
12. 2 speed truck rear ends allowed.
10. Kill switch must disable both ignition system and fuel supply if electric.
4WD PRO STREET DIESEL SMOKER CLASS RULES
1. 444 cubic inch limit. The engine must have been available as a factory option on one ton or smaller trucks.
2. Engine conversions and swaps allowed from one make to another. Example 5.9L Cummins into 1994 Ford pickup.
a. Radiator must be mounted behind grill in factory location. Engine must be mounted behind radiator in as close to stock location as possible.
3. Body must be stock appearing. No flatbeds. Must retain factory firewall and floor pan.
4. Factory OEM appearing driveline from a one ton or smaller truck.
a. This includes transmission, transfer case, and axles. Drive shafts, yokes, and u-joints may be a different size as necessary.
5. Water injection allowed. Alcohol, methanol and other flammables are prohibited.
a. Commercially available pump lube allowed.
6. Diesel fuel, soy/biodiesel, and racing diesel allowed. Secondary fuel prohibited. This includes but is not limited to propane, natural gas, methanol, ect All system components must be removed from the vehicle.
7. Kill switch Must have guillotine type air shutoff on inlet of atmospheric turbocharger. This must be operated from the rear of the vehicle so the sled can shut the vehicle down.
8. Exhaust must exit upward. Exhaust must have two (2) 3/8 bolts mounted in a cross pattern as close to the turbocharger as possible to prevent broken parts from exiting.
9. DOT tires only. Max tire size is 35 x 12.50 any rim.
10. Hitch hook height is a maximum of 26. Hook point to be no closer to the center of the rear axle than 30% of total wheelbase.
a. Hitch must be stationary in all directions.
11. Single and twin turbochargers allowed.
a. Single turbocharger limited to a 3 inducer on compressor. This may be measured using a 3.05 slug to verify size. Slug must not be able to make contact with compressor wheel or turbine shaft.
b. Twin turbochargers must be in a dual stage configuration. Size on primary (atmospheric turbo) is limited to a 3 inducer on compressor. This may be measured using a 3.05 slug to verify size. Slug must not be able to make contact with compressor wheel or turbine shaft.
c. A 300lb weight penalty is enforced if vehicle is equipped with twin turbochargers.
12. Injection pump is limited to a max size of inline series P-pump or single CP3 pump. P-pump must retain OEM automotive style governor (RQV). No Sigma pumps or 12 cylinder P-pumps.
a. A 300lb weight penalty is enforced if dual CP3s and Ag style governors (RSV) are used.
13. Front hanging weights must not exceed 60 from centerline of front axle. This is measured from the furthest most point (front) of the weight bracket and/or weights to the center of the front axle.
14. Recommended to have wheels no more than 6 off the ground within 6 of the forward most part of the vehicle. Wheels can be made to raise when not being used during competition. Can be no closer than 36 and minimum of 2 wide and 6 in diameter. Will be required in 2011.
SUPER MODIFIED CLASS RULES
1. 2 wheel drive and 4 wheel drive will compete in the same class.
2. Rules subject to change according to elected NPPA officials. This class may be used for vehicles which do not fit into any other NPPA class.
3. Any and all supercharger, turbocharger, aviation, marine, and industrial engine powered vehicles must comply with USPA safety rules as outlined in USPA handbook. Kill switch policies to conform with similar classes.
4. Automotive naturally aspirated single engine, forced induction, and alcohol allowed.
5. Hitch hook height is a maximum of 30. Hook point to be no closer than 24 from the center of the rear axle.
6. No wheelbase limit.
7. Front weight bracket can be no more than 60 from the center of the front axle on 4 wheel drives, and 24 from center of the front axle on 2 wheel drive.
8. Aftermarket transmissions, transfer cases, drop boxes, and planetary differentials allowed.
9. Stabilizer/wheelie bars required on 2WD vehicles. Length must be a minimum of 2 back from furthermost point of the tire with a 5 square pad on the bottom. Maximum 6 high if within tire track or 10 high if not within tire track.
a. Cannot be connected to the drawbar.
10. 4WD to have wheels no more than 6 off the ground within 6 of the forward most part of the vehicle. Wheels can be made to raise when not being used during competition. Can be no closer than 36 and minimum of 2 wide and 6 in diameter.
Updated 4-26-10
Please call Loy or Scott with any questions!