American Outlaw 330 Rules and Regulations

General Rules

  1. 330 E.T. restrictions apply based upon the sanctioning body of the track (NHRA 4.70 12 and younger, 4.10 13-17/IHRA not applicable).
  2. All cars competing in the Outlaw 330 class must meet NHRA/IHRA technical rules.
  3. Deep Staging is PERMITTED.
  4. Once the car turns on the pre-stage bulb pullbacks are not allowed. If a car goes deep during qualifying, the run will start from the deep position. Burnouts past the starting line at any time are prohibited.
  5. Once one Pre-Stage bulb is lit, neither competitor may restart their racecar. If either competitor’s car shuts off, while one Pre-Stage bulb is lit, they forfeit the round.
  6. Driver controlled/cockpit controls are limited to:
    • Throttle pedal
    • Brake pedal
    • Main electrical kill switch
    • Momentary kill switch Mechanically operated emergency kill switch
    • No other controls, switches, levers etc. are allowed.
  7. Mechanical kill switch mandatory. The attachment of the kill switch wire to the back of the ignition coil must be by a permanent method. Acceptable methods include soldering or bolting.
    • The connection must also be encased in clear silicone to reduce vibration and for inspection purposes. The connection of the kill switch wire to the chassis wiring must be by a positive locking device.
  8. The use of saran/plastic wrap is prohibited. Only the use of tire covers is allowed for the purpose of keeping the tires prepared for racing. Tire warmers are prohibited.
  9. The weight tank may not protrude more than 10" past the circumference of the rear tires and may not be mounted above the rear tires.
  10. It is the Crew Chief’s responsibility to make sure all pre-race procedures and adjustments are complete prior to passing the “ready cone”. Once a driver passes the “ready cone” the car must be ready to remove the tire covers and fire.
  11. A participant may not set the idle speed using the throttle cable. Idle speed must be set by a standalone method. (i.e. Standard Mikuni Slide Adjustment, Carburetor Top Adjusters, etc.)
  12. No track rentals at any American Outlaw 330 series sanctioned venue 3 days prior to an event.


  1. The sanctioning body of the track that the event is being contested determines the minimum age of a driver that may be allowed to participate at that event. However, sanctioning series officials may exclude any driver deemed not properly qualified and/or experienced at anytime.
  2. If a driver starts the season at age 17, and turns 18 during the season, they may complete the remainder of the season.
    • Participants who wish to continue to compete in the 330 Outlaw class after their 18th Birthday may obtain a minimum of a Jr. Comp license. This applies to the 330 Outlaw class only.
  3. Age: a driver's competition age is his/her actual age as of the day entered in event.
  4. Proof of age may be required (i.e. certified birth certificates). 5. Driver’s performance and abilities are subject to review at anytime.

Qualifying and Race Procedures

  1. Participant is required to drain all fuel from their system before entering the staging lanes for qualifying AND eliminations. A race official shall install series-furnished, untreated methanol for use during all qualifying, eliminations and record runs.
  2. Any car not in the lanes when the first pair of cars are started, will forfeit the pass.
  3. Driver must proceed directly to scales after each round of qualifying AND eliminations to be weighed. Driver must stay in car until cleared by sanctioning series staff to exit and NO crewmember is allowed to touch, push the car, or aid driver in any way until AFTER the car clears the scales. FAILURE TO FOLLOW THIS RULE WILL BE CAUSE FOR PREVIOUS RUN DISQUALIFICATION.
  4. A .400 Pro Tree will be utilized.
  5. Eliminations qualified and contested on an 8, 16, or 32 car standard Pro Ladder at all American Outlaw 330 events. Check with your sanctioning series race director before qualifying begins as the minimum and maximum car count may vary between series.
    • Minimum 24 entries to qualify 32-car ladder.
    • Maximum field will be 32 cars.
    • There will be 2 qualifying runs (depending on the sanctioning series procedures). The driver must make qualifying runs in alternating lanes.
    • Lane choice and order for all qualifying attempts will be chosen by card draw before the first qualifying attempt.
    • Failure to run in the opposite lane from the first qualifying attempt will forfeit the second attempt.
    • If you miss your position in the order, after the cars are paired for qualifying, the run is forfeited.
  6. The participant with the quicker qualifying ET will have lane choice during 1st round of eliminations. Subsequent round lane choice goes to the driver with the quicker ET from the previous round.
    • You DO NOT have to make your Bye-Run to advance to the next round. If you choose not to make your Bye-Run you automatically forfeit lane choice for the following round.
    • If you choose to make your Bye-Run, for your E.T. to count for the next round’s lane choice, you must cross the scales and make weight.
    • All Bye Runs in will be determined by qualifying position and placement on a Pro Ladder.
  8. No touching of the car after the pre-stage light is on. Repeated non-compliance will result in disqualification at the discretion of the Starter/Series Official.
  9. Mandatory engine inspection. A sanctioning series race official in a timely fashion following the final round will technically inspect winner and runner-up engines. No winnings will be issued until inspection has been completed.
  10. Record setting engines must also be inspected for the record to become official.
  11. Additional random engine inspections may be performed at any time at the discretion of the sanctioning series race official.

Weighing Procedures

  1. Driver must proceed directly to scales, after each round of qualifying AND eliminations to be weighed. Driver must stay in car until cleared by sanctioning series staff to exit and NO crew member is allowed to touch, push the car, or aid driver in any way until AFTER the car clears the scales. FAILURE TO FOLLOW THIS RULE WILL BE CAUSE FOR PREVIOUS RUN DISQUALIFICATION.
  2. If a car is determined to be under weight on the first examination, the car will be removed from the scale and the unit will be zeroed and the car will then be re-weighed. If the car does not reach minimum weight it may be removed from the scale again, turned around, the unit will be zeroed and the car will be re-weighed for the third and final time. The decision of the official will be final after the third attempt.
  3. If a participant loses an item from the car, which is then retrieved by an official or a member of the race team, it may be placed in the car ONLY before the car is weighed. If the item is not given to the race official before the car is weighed the race official will NOT be able to reweigh the car with the item included.
  4. A participant must cross the scales at minimum weight for a qualifying run to be recorded.
  5. A participant must cross the scales at the minimum weight on at least one of the qualifiers to be considered qualified.
  6. No loose ballast is allowed in the vehicle or on any person at anytime. If you’re found in violation of this rule you will be disqualified immediately from the event and for a period of one full year from date of infraction.
  7. At the time of weighing a sanctioning series official will make record of each engine serial number.
  8. Absolutely no touching of the cars by anyone except race officials until the car has passed the scales.

Engine Technical Regulations

For engines under:

  • Maximum bore = 3.310"
  • Maximum Stroke = 3.00"
  • Minimum Weight (Car & Driver) = 360 pounds

For engines under:

  • Maximum bore = 3.550"
  • Maximum stroke = 3.00"
  • Minimum Weight (Car & Driver) = 415 pounds

For engines under:

  • Maximum Bore = 3.750"
  • Maximum Stroke = 3.00"
  • Minimum Weight (Car & Driver) = 460 pounds (Minimum Driver Weight = 150 pounds)


  1. Either the NHRA OR IHRA must have previously approved the single cylinder engine being entered into competition.
  2. Engine must be a flat head, two-valve, normally aspirated configuration.
  3. Single Spark plug mandatory.
  4. Oxygen Sensors prohibited.
  5. No computer controlled engine/clutch components or engine control systems of any kind (i.e. engine management systems – programmable ignitions – fuel control systems – clutch control systems).
  6. Once an engine has made a qualifying pass it is no longer eligible to be used on a different car in competition. This includes multi-car teams that may be sharing engines.
  7. In the event of an engine change the sanctioning series staff, at its discretion, may allow for additional time in between rounds for the change to be completed. Should additional time be allowed, an effort will be made by the sanctioning series staff to notify all participants still in competition.
  8. Entries utilizing a model year 2008 and below “Rhino” engine block will receive a 5-pound weight advantage based on the minimum weight for the bore and stroke indicated above. Includes 3.310”, 3.550”, and 3.750”.


  1. A single protest, per event, may be lodged against any competitor in American Outlaw 330 sanctioned series Outlaw 330 class for a fee of $1000.00. If the protest is deemed valid the protesting team will retain 80% of the fee, the remaining 20% will be paid to sanctioning series officials. If the protest is deemed invalid the competitor being protested will be awarded 80% of fee, the remaining 20% will be paid to sanctioning series officials.

Ignition Systems

  1. Battery required ignition systems prohibited.
  2. “Magneto” style ignition accepted.

Crank Case Ventilation

  1. Vacuum pumps are prohibited.
  2. Maximum of one Breather Tank per entry.
  3. Breather Tank must be mounted behind Deflector Shield. Tank may be mounted anywhere on back half of the racecar.
  4. Maximum of 3 vent hoses from Engine to Tank.
  5. Maximum of 3/4″ I.D. hoses from Engine to Tank.
  6. Maximum combined length of vent hoses of 15 ft.

Fuel System

  1. Maximum Fuel Tank Capacity = 1 Quart.
  2. Fuel Lines must be routed as directly as possible to Carburetor. (i.e. No wrapping Fuel Lines multiple times around Intake Manifold, etc.)
  3. Maximum of 3 ft. of Fuel Line per entry.
  4. Maximum of 1 Fuel Filter.
  5. Maximum Fuel Log Size: 4″ Length x 1 1/4″ O.D.
  6. Maximum of 1 By-Pass Line from Fuel Log to Fuel Tank.
  7. Fuel pumps must be pulsed from the manifold.
  8. No electric or battery fuel pumps of any kind allowed.
  9. No external mechanically controlled fuel/ignition/clutch components or systems of any kind. (i.e. externally activated fuel control, no switches activated via the clutch, no movable ignition coil mount systems).

Power Adders

  1. The use of Power Mist, Propylene Oxide, Sterno Gel Fuel or any other power adder is banned or not allowed.
  2. Air filter doping is prohibited.
  3. No oil additives to engine oil for horsepower gains. A sample of oil may be taken from any entry for analysis.

Record Runs

  1. To establish a new, American Outlaw 330 national or sanctioning series, record it must be backed up within 1% during qualifying or eliminations of the event weekend.
  2. Only one new record with record bonus points will be awarded per race day event.
  3. Established record is 4.216 set by Ashlynn Russo (November 24, 2012) at Pine Valley Raceway.


THE RULES BOOK IS INTENDED AS A GUIDE TO REFLECT THE AMERICAN OUTLAW 330 RULES IN GENERAL. If something is not specifically ALLOWED in these rules you are advised to check with the sanctioning series race director BEFORE you attempt to race at an event. The American Outlaw 330 holds the right to amend any and all rules to this series at any time. Any violation of the above stated rules will result in a loss of points for the race in which the violation is discovered as well as an additional 1-race suspension.