6200 National 4x4 Rules for 2013


Contact for More Information
Temple Brizendine
Phone: 804-443-1903
Email: temple.brizendine@yahoo.com
2013 Rule Committee Members
Bobby Brown 540-294-5258
Ryan Ellis 804-443-7968
Bob Simmons 804-837-1657
1 Engine Limitations

  • 505 Cubic inch limit with 1% allowance
  • After market blocks are allowed
  • No roller bearing style cam shafts
  • No Aluminum blocks or heads allowed
  • No belt drive timing systems allowed
  • Must run 4150 carb on gas
  • Must run 4150 style intake, unless your running stock OEM heads - like no sheet metal intakes, no one of a kind, has to be mass produced, can run a 4500 with OEM heads etc
  • Intake spacers will be limited to 3 inches total from base of intake to the carb
  • Must run standard racing gas – no additives or oxygenated fuel allowed
  • Electric fuel pumps and regulators will be allowed
  • OEM heads can run vacuum pumps.
  • External oil pumps are not allowed.
  • Kick out style oil pans will be allowed
  • MSD boxes will be allowed.No digital or programable boxes allowed
  • No nitrous or nitrous accessories allowed on any part of truck
  • Motor must be in stock location
  • No hemi or Hemi style heads, no Ex 514, A460 TFS heads, or any other type of cast iron heads that does not accept a stock manufactured intake manifold without the use of spacers, shims, or wedges used to adapt manifold. No fuel injection
  • The motor must be naturally aspirated no tunnel ram intakes are allowed carbs are limited to 3” intake spacer (no nitrous oxide apparatuses are allowed) Hand throttles are allowed
2 Chassis, Body and Powertrain

  • Can run gutted beds, must leave front, back mounts and headboard, all gutted beds must have a cover. All trucks must have a “street” appearance”. Street appearance shall be defined as: Grill, light fixtures, and body parts in their originallocation.
  • Truck hitches can be no shorter than 36% of trucks wheelbase and rigid in all directions
  • Maximum hitch height will be 24”. Front pivot point of hitch can be no higher than 2 inches above frame rails
  • Hitch must be at least a 3” round opening horizontal to the ground
  • Weight frames will be allowed but may not extend any further forward than 60” from center of front axle
  • Rear ends may be blocked, but cannot be welded soild – must be some movement. Must at least have one leaf spring on back rear
  • No powertrain parts over 1 ton allowed
  • Must have factory glass in all windows
  • Must have shields on all U-joints
  • No fuel cells or batteries allowed outside of truck body
  • Racing seats will be allowed
  • Hydraulic steering will be allowed but must run through a factory steering box
  • No fiberglass body parts with the exception of a hood scoop
  • All trucks must have a full size body with 6 or 8 ft bed (no S-10 or Ranger bodies)
  • Must have working backup light that is actuated when put in reverse
  • No centrifugal slipper clutch allowed
3 Exhaust

  • Exhaust must run through pipes at least 1 foot behind cab. Mufflers are not required
  • Pipe diameter can be no greater than 4” inches
4 Tires and Wheels

  • Tires will be limited to 12.50 x 33 max size
  • No Trxus tires allowed in class
  • Front and rear tires must track within 2” inches of each other
5 General Class Rules

  • Test puller MUST return to 6th place if they decide to drop their pull
  • If sled is reset you can come back in the last position
  • If any issues arise during the season the rule committee will meet and make final decision
  • Must be a Dragon Motor Sports member to receive points
  • If caught cheating, will go before rule committee with penalty up to one year suspension
6 Safety

  • All trucks must be equipped with blowproof shields or transmission blankets
  • Kill switch mandatory with 1 inch hole at back of truck
  • All u-joints must be fully shielded
  • All competitors must wear fire suit and helmet
6200 National 4x4 Purse

  1. 150
  2. 120
  3. 80
  4. 75
  5. 60
  6. 50
  7. 40
  8. 25


Also in 6200 National 4x4


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