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RULES

CMP RULES FOR COUNTRY MODIFIED PULL TRUCKS 2000
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DISCLAIMER: Cascade Pulling Al & Val Thomas have used these rules since 1991. The rules set forth are intended as a guideline for the sport of pulling. Installation of the required safety equipment is the responsibility of the vehicle owner/ driver that participates at any event. No expressed, or implied, warranty of safety is intended, or inferred, from the publication of these rules, not the compliance therein. Nothing contained herein should be construed as a guarantee against injury, or death, to the participants, by-standers, or spectators.
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ATPA RULES link

GENERAL RULES

ELIGIBILITY

  1. Driver must be 18 or older; drivers 16-17 may compete with an INSURANCE Release signed by their PARENT OR GUARDIAN
  2. Any eligible applicant may compete regardless of race creed, color, sex, or national origin.
  3. One membership per truck required.

SAFETY

  1. A 5 mph speed limit is in effect at all times, except when hooked to the sled.
  2. All vehicles must have a driver behind the wheel while the engine is running.
  3. No alcoholic beverages will be consumed in the pits, or track area, before the event has been completed
  4. The driver of the vehicle is responsible for the actions of all persons associated with their vehicle.
  5. The pull vehicle must be in neutral or park, while being hooked to the sled, the driver will raise both hands to indicate that it is safe to the sled operator to work behind the vehicle.
  6. Only one (1) pit person and the track officials are allowed on the track during the hooking process. The pit person will leave the track area as soon as the vehicle has been hooked to the sled.
  7. No holes in firewall/floor board larger than 1 inch, all holes larger must be blocked.
  8. Helmets must be worn during competition.
  9. Fire suits with a minimum of a SFI approved-single layer, are required for ATPA events. They may be one or two piece.
  10. Foot wear must fully encompass the foot and may be leather or SFI approved material.
  11. Automotive type seat belt (minimum) required.
  12. Seat belts must be worn during competition.

 

OPERATIONS

  1. Upon arriving at the track, all persons associated with vehicle to be registered will report to the registration desk.
  2. All required fees and forms will be processed prior to attending to your vehicle. All vehicles in competition will report to the scales as soon as possible.
  3. When wieghing your truck, center the vehicle on the scale.
  4. Depending on conditions the scales are scheduled to close One (1) hour prior to the event; the drivers meeting will be held ½ hour prior to the event.
  5. All vehicles will be staged where the promoter directs our class
  6. When directed to do so by the track official, the driver will position the vehicle in front of the sled.
  7. When told to do so by the track official, the driver will tighten the chain slowly. A vehicle may not start with a slack chain.
  8. The driver has three (3) minutes to begin the pull attempt from the moment the flagman gives the GREEN flag. If you are the last puller in the class you will have (5) Minutes.
  9. If the Sled does not reach the 75ft. mark, on the first attempt, the driver will be given an opportunity to make another, but FINAL attempt. The sled will be pulled backed to the starting line. The 75ft. mark may change do to promoter preference-the front of your vehicle will stop before the 100ft. mark.
  10. The flagman will give the driver the RED flag when the vehicle has ceased to make any further forward progress, or if there is a safety problem; failure to STOP IMMEDIATELY ON A RED flag will be cause for disqualification.
  11. If your Vehicle (not the sled) goes out of bounds at any time you will recieve last place points. If more than one truck goes out of bounds they will be placed in accordance to there out of bounds distance. However if you are the first puller in the class you can use your repull option.
  12. After unhooking the vehicle from the sled the driver will remove the vehicle from the track, slowly (5-mph). If the vehicle is damaged, a tow vehicle will be brought in to assist.
    13.
  13. The first puller, or after a change has been made to the sled, will be given the option to take that pull, or make another pull attempt. The driver can make the attempt immediately, or fall back to 3rd, 6th,or last position.
  14. Any vehicle that can not respond to the call from the track official can elect to fall back to the last position. The vehicle will be disqualified if unable to enter the track within three (3) minutes of being called.
  15. The driver or pit person may position the sled on the start line; but it must be indicated prior to the sled reaching the 50’ mark on the pull back.
  16. There will be only one (1) person, the driver allowed in the vehicle during the pull.
  17. Member trucks must display CM-PULLING sponsor stickers. ATPA and associated sponsor stickers must be placed on both sides of members trucks.
  18. Any conduct that reflects poorly on the image or reputation of CM-PULLING shall be cause for disqualification, loss of membership points, purse, standings, and any rights of benefits of the driver, owner, and/or vehicle.
  19. Rules policies, and or procedures are subject to change only by prior voting of CM-PULLING MEMBERS. One vote for each registered truck will be recognized.

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GENERAL SPECIFICATIONS

BATTERIES

  1. No batteries will be allowed in the cab of any vehicle in competition

BODY

  1. Any  truck or S.U.V. type body allowed.
  2. Vehicle appearance will be subject to the approval of CM-PULLING
  3. Doors must be operable from either inside or out.
  4. No holes will be allowed in the firewall, or floorboards.
  5. Glass or Plexiglas windshield and rear window required.
  6. Vehicle must be lettered and be visible to announcer and stands.
  7. Name must be something that is acceptable to a family oriented sport.
  8. All lift bodies must have a safety stop. Safety stops should be in place at all times when driver is not in vehicle.

 

BRAKES

  1. A minimum of one (1) drive line brake or the front axle brakes required; subject to approval by CM-Pulling tech officials.

CLOTHING

  1. Shoes, shirt and long pants must be worn during competition.
    Just a tip: Uniforms or matching shirts give our class a more professional look. Please see safety section for further info.

ENGINE

  1. One automotive/truck or marine type 8cyl. only
  2. Location: engine must remain within stock engine compartment. No part of engine shall protrude through front of grill.
  3. Max 470 cu. (No roller cam shaft or lifters will be allowed)
  4. Any type of after market ignition allowed (NO MAGNETOS)
  5. Two intake bolts must be drilled to accept wire and tech seal to prevent tampering after tech inspection.
  6. No blowers, fuel injections, tunnel rams, or turbochargers allowed.Caburator spacer, 3" or less.
  7. One (1) 4 barrel carburetor no bigger than an 850 cfm carburetor. Bary Grant, Demon, Holly 4150 style, butterfly size 1-3/4" max. No Dominators or Predators.
EXHAUST
  1. Headers must exit up within 10 degrees of vertical.
FANS
  1. All belt driven fans must be covered with a 360 degree shroud; 1/8" minimum thickness, metal or "high impact" plastic.
  2. Self contained electric fans OK.

FIRE EXTINGUISHER

  1. A minimum of one (1), fully charged, 2 ½lb., fire extinguisher: must be in easy reach of the driver during competition.
FRAMES
     1. Any frame designs upon safety approval.
 
 
FUEL, FUEL TANK, FUEL PUMPS
  1. There will be no after market fuel tanks located in the vehicle cab.
  2. Pump gas, racing fuel, aviation gas, or diesel fuel will be allowed(no alcohol, nitrous or additives).
  3. CL Bryant 76 racing fuel only per sponsor agreement.

HITCHES

  1. Hitch 26" high (max) at hooking point.
  2. The hooking point shall not be located any closer than 36% of the vehicles wheel base as measured from the hitching point to the center of the rear axle; i.e. 133" W.B.= 47 7/8"
  3. Hook ring must not allow sled hook to become stuck, usually no less than 3 inches in diameter.
  4. No moveable hitches allowed.
  5. Hitching point must be horizontal so that sled hook is vetical when attached.
  6. Safety hitch should have same dimentions as pulling hitch with exception of being located eight to ten inches lower than the pulling hitch. Safety hitch must not be attached to pulling hitch except by a small chain to hold it eight to ten inches below pulling hitch. Must meet technical officials approval. 


NEUTRAL SAFETY AND KILL SWITCHES

  1. All pulling vehicles must be equipped with a neutral safety switch, to assure that the engine cannot be started unless in neutral or park.
  2. A neutral light must be attached to back of vehicles, to let the hooker know that it is safe to hook you up, or unhook.
  3. All vehicles must be equipped with a kill switch; all kill switches will be attached to the sled by a 2" diameter ring. The ring shall be located 8-12 inches above the top of the hitch and no more than 6 inches to either side of center of hitch. When pulled, kill switch must kill ignition and stop fuel flow to engine.
  4. No part of the kill switch, device or cables shall be attached to the hitching device.

RUNNING GEAR

  1. Any automotive type running gear is allowed.

SHIELDS

  1. The drive line brake shall have a shield ¼ "(min) thick by 2"(min) wide and Shall cover the brake 360 degrees. The inside diameter of the shield shall be no more than 2’larger than the largest diameter of the brake.
  2. All u-joints shall have a shield 1/4"(min) thick by 6" (min) wide and covers u-joint 360 degrees. The inside diameter of shield shall be no larger than 2 inches more than the largest diameter of the u-joint. The drive lines should have similar shields spaced every 24 inches or less.
  3. Two-piece dampers will be allowed; but a shield must cover it with a minimum of ¼ inch thickness and within 1 inch from the dampners and 360 degree coverage with provisions to prevent dampner (harmonic balancer) from migrating forward.

TIRES

  1. 31x15.5x15 maximum (no Dick Cepek tires allowed)
  2. Front tires must not be offset more than half of the rear tires. A minimum one (1) inch overlap using plumbob on outer most portion of tire and wheel assembly.
  3. No tire studs allowed.
  4. No tire chains allowed.
  5. Pneumatic tires only.

TRANSMISSION

  1. Any automotive type transmission or after market is allowed
  2. All automatic transmissions must have a S.E.M.A. approved safety blanket. The blanket must cover the transmission body and torque converter housing. Also requires approved steel covers at least two inches wide and a minimum of a one quarter inch thick. All inspection covers must be in place.
  3. All manual transmissions with cast bell housings must have a 2"x1/4" thick steel shield or approved steel bell housing.

WEIGHTS

  1. Any object/fluid, ten (10) lbs. or more that falls from the vehicle during competition will be cause for disqualification while hooked to the sled.
  2. Weights or weight bar must not extend more than 42" past the center of the front axle (with the exception of tow hook).
  3. Vehicle must have a tow hook (at least two inch opening).
  4. Class will run 5500lb. at all events, exceptions made for scale variance per tech's discretion.

WHEEL BASE

  1. A maximum of 133 inches.

 

POINTS

 

1st—1350          6th---- 700          11th---400          16th---250       21th---150

2nd---1100         7th---625          12th---370          17th---230       22th---140

3rd---950            8th---550          13th---340          18th---210       23th---130

4th---850            9th---500          14th---310          19th---190       24th---120

5th---775            10th---450        15th---280          20th---170       25th---110

Points will be kept for:
 
1. All events meeting or exceeding the $500.00 purse, plus entry fees back.

2. During the official points season starts April first and ends November first.

3. A four week minimum notice is required from the promoter.

4. Within a two hundred mile radius of Stockton, California.

 

Any truck posing a potential risk to competitors and/or spectators will not be allowed to compete.

All competitors are responsible and liable for their vehicles.

Any vehicle not complying with the above noted specifications will be allowed to run exhibition only. You will have two pulls to comply after being notified. no point or money will be awarded until then.

 

Let’s have fun!!!

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Last updated: July 14, 2007.