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Rules

Heads Up Rules

Midwest 8.5 Racing Association Rules

Published 12/20/13

Please read the ORP General Rules which apply to all races conducted at Ozark Raceway Park.

To avoid conflicting sets of rules, please reference the Rule Set at Midwest 8.5 Racing Association.
 

Heads Up Rules

Pro Street Rules:

Published 12/20/13

2014 Rules Changes Highlighted in Yellow

Please also read the ORP General Rules which apply to all races conducted at Ozark. For Non-ORP races, the sanctioning body rules of the track the event is being held at apply.

Engine & Drivetrain:

  • Any power adder acceptable.
  • Must run a collector style header. (no zoomies)
  • Any motor combination acceptable.
  • Engine diaper for oil containment is required.

Weight Requirements:

Base Weight 2850
  • Deduct 200 lbs for Nitrous Oxide
  • Deduct 300 lbs for N/A Big Block
  • Deduct 400 lbs for N/A Small Block
  • Add 200 lbs for Screws, Twins and 5" and Bigger Bore Space Blocks

Body & Suspension:

  • Funny car or one piece bodies not allowed even if equipped with doors.
  • Maximum front end overhang of 45” as measured from centerline of front spindle.
  • An approved extension may be used to reach 45” if the front end overhang of the body is
  • less than 45”.
  • Doors required! Doors must be functional and able to be opened from both the inside and outside of the vehicle.

Miscellaneous:

  • Cars will run on a .400 pro tree, for an 1/8th mile.
  • All cars must be able to pass track’s tech inspection – NO EXCEPTIONS.
 

Bracket Racing Rules

Pro Tree No Box Class

General

New Pro Box No Tree Rules Pending...
 

Heads Up Rules

Drag Radial Rules

Updated 03/31/14

Changes highlighted in Yellow

Please also read the ORP General Rules which apply to all races conducted at Ozark. For Non-ORP races, the sanctioning body rules of the track the event is being held at apply.

Engine:

  • Any automotive engine is permitted, OEM bore space blocks only.
  • Exhaust: Mufflers required on all combinations except turbos. Exhaust exiting ahead of
  • front tires allowed, but must not affect timing or staging beams. No Zoomies.
  • Fuel: Cars must run on Gasoline, Ethanol (E85/E98) or Alcohol.
  • Induction: Drag Radial Cars are allowed the use of ONE power adder. Example: 1 Blower, 1 Turbo, Single Stage N.O.S. System(REMOVED), or Alcohol (Exception- Small Blocks can run multiple stage Nitrous)
  • (REMOVED)Exception: Alcohol acceptable with use of a carburetor & therefore not considered a power adder”
  • Maximum Turbo Size: 88mm (adapter horns are acceptable) Must pass go/no go gauge
  • Maximum Procharger Size: F-1R or comparable. F2 legal with 3.875 inlet reducer, mounted no further away than the original inlet flange. F2R & F1X is not legal!
  • Engine diaper or NHRA-accepted belly pan for oil containment required.

Frame & Suspension:

  • Cars must maintain the factory frame. Frame rails must be located in factory position.
  • Chassis bracing and reinforcing is permitted.
  • Ladder bars are not permitted.
  • Factory four links are acceptable. Aftermarket four links are illegal!
  • Minor frame notching will be allowed.
  • Any bolt on K-Member or front sub-frame allowed with original suspension mounting points.
  • Front frame rails must be in original OEM location.
  • Front suspension components may be replaced with after-market bolt-on parts.
  • NO WHEELIE BARS!

Weights

  • Base Weight: 3000 lbs, Small Block NOS 2600 lbs

Tire:

  • Commercially available “Name Brand” drag radial tire factory labeled 315/60R15 (or smaller) or a True 10.5 x 28 slick.

Miscellaneous:

  • The cars should have stock appearing interiors.
  • Cars must have WORKING headlights and tail lights.
  • Cars must have coolant overflow tank and secured battery mounts mandatory.
  • Rules subject to review at anytime. Competitors will have a 30 day compliance period should there be any new rules.
  • Fiberglass hoods, fenders, bumpers, doors and deck lids will be the only fiberglass body parts allowed.
  • Lexan windows allowed, must maintain factory appearance.
  • Cars will run on a .400 pro tree, for an 1/8th mile.
  • All cars must be able to pass track’s tech inspection – NO EXCEPTIONS.
 

Heads Up Rules

True 10.5 Rules:

Updated 12/20/13

No Rule Changes for 2014 Season

Please also read the ORP General Rules which apply to all races conducted at Ozark. For Non-ORP races, the sanctioning body rules of the track the event is being held at apply.

Engine:

  • Any automotive engine is permitted.
  • Exhaust: Mufflers required on all combinations except turbos. Exhaust exiting ahead of front tires allowed, but must not affect timing or staging beams. No Zoomies.
  • Induction: Any induction setup is permitted. Any power adder is allowed.
  • Power Adders: Unlimited.
  • Engine diaper or NHRA accepted belly pan for oil containment required.

Fuel & Fuel Systems:

  • Any type of gasoline or alcohol is permitted. (No Nitro methane)

Frame & Suspension:

  • Cars must maintain the factory firewall in stock location.
  • Must maintain stock front frame rails for full frame vehicles.
  • Cars are allowed to back-half the rear frame section of the car, and chassis bracing and reinforcing is permitted.
  • Coil over and ladder bars cars allowed, aftermarket 4 link and OEM 4 links also allowed.
  • Front frame rails must be in original OEM location.
  • Front suspension components may be replaced with after-market bolt-on parts.
  • Any bolt on K-Member or sub-frame allowed with original suspension mounting points.
  • Rack and pinion allowed on any car.
  • NO WHEELIE BARS!

Tire:

  • All cars must run a true 10.5” or smaller slick. They must be labeled from manufacture on sidewall, and may be measured.
  • 315/65R15 or smaller Drag Radial is acceptable also.

Miscellaneous:

  • Cars must have WORKING headlights and tail lights.
  • Fiberglass hoods, fenders, bumpers, doors and deck lids will be the only fiberglass body parts allowed.
  • Lexan windows allowed, must maintain factory appearance.
  • Cars will run on a .400 pro tree, for an 1/8th mile.
  • All cars must be able to pass track’s tech inspection – NO EXCEPTIONS.
   

Heads Up Rules

[updated 1/18/12]

Engine

  • Engine: Any automotive engine is permitted
  • Exhaust: All automobiles must be equipped with mufflers. Inserts will be allowed.
  • Induction: Any induction setup is permitted. Also, any power adder is allowed.
  • Power Adders: Unlimited!!
  • Engine diaper for oil containment is highly recommended. (added 1/18/12)

Fuel and Fuel Systems

  • Any type of gasoline or alcohol is permitted. (NO Nitromethane)

Frame & Suspension

  • Cars must maintain the factory firewall in factory location. Also, cars must maintain factory stock sub frame, frame or framerails!!
  • Cars are allowed to back-half the rear frame section of the car, and chassis bracing and reinforcing is permitted. Front suspension components may be replaced with after-market bolt-on parts.
  • Rack and pinion allowed on any car.

Tire

  • Tires: All cars can run a 10.5" W or smaller slick. They must be labeled from manufacture on sidewall, and may be measured.

Miscellaneous

  • Cars must have WORKING factory style headlights and taillights.
  • Cars may use fiberglass front clip, doors, decklid and bumpers. No fiberglass bodies.
  • Lexan permitted.
  • Cars will run on a .400 pro tree, for an 1/8th mile.
  • All cars must be able to pass track’s tech inspection - NO EXCEPTIONS. For further car specs, refer to NHRA rules and regulations.

Pit Safety and Parking

The following applies during shootouts and other major events  

  • There will be a charge to park in the pits if not actually towing a race car. There is free parking on the spectator side. We are going to put the $10 into a fund to repave the pits someday. Those who do not wish to pay can park on the spectator side for free. This will also relieve some congestion.
  • We will also have some spots that are designated for 70' + rigs. There will be someone at the track to help position vehicles for maximum effici ency of our limited space.
  • Each Race car will be limited to one golf cart. Any golf cart not associated with a race car will be charged $10. No one under the age of 16 will be allowed to operate a golf cart or any other motorized vehicle. This does not count Jr Dragsters while competing or returning to the pits.

Please also read the ORP General Rules which apply to all races.

   

Heads Up Rules

Mickey Thompson Pro Mod Rules

Published 12/20/13

No Changes for 2014 Season

Please also read the ORP General Rules which apply to all races conducted at Ozark. For Non-ORP races, the sanctioning body rules of the track the event is being held at apply.

Engine:

  • Any engine, tranny, and fuel combination allowed.
  • Engine diaper or NHRA-accepted belly pan for oil containment required.

Tires:

  • Any tire size or brand allowed.

Body:

  • Funny car or one piece bodies not allowed even if equipped with doors.
  • Maximum front end overhang of 45” as measured from centerline of front spindle.
  • An approved extension may be used to reach 45” if the front end overhang of the body is less than 45”.
  • Doors required! Doors must be functional and able to be opened from both the inside and outside of the vehicle.

Miscellaneous:

  • Cars will run on a .400 pro tree, for an 1/8th mile.
  • All cars must be able to pass track’s tech inspection – NO EXCEPTIONS.
   

Bracket Racing Rules

[updated 4/4/13]

General

  • Auto start will be on at all times in all bracket classes except Jr. Dragsters.
  • If excessive braking causes loss of control, you will be given ONE (1) warning. The second time will be a disqualification. This call is made by track officials only! (If your tires smoke we will consider this excessive braking and you will be warned for the first instance and disqualified for the second).
  • Engine diaper for oil containment is highly recommended. (added 1/18/12)

Dial Ins

  • Dial-ins must be on the car and visible from tower.
  • Dial-ins may not be changed after crossing the line at the head of staging with the following exceptions: In the case of a track delay you may be able to change your dial-in with permission of track officials and notification of your opponent.
  • It is the driver's responsibility to check your dial in before you stage.
  • If you stage, you have accepted the dial in on the scoreboard.

Staging

  • Courtesy staging enforced! If you stage with both bulbs before your opponent is pre-staged you'll be required to back out and pre-stage only and in a forward motion.
  • Deep staging is not allowed.
  • Staging must be with the front tires of the vehicle only.
  • There must be at least 3" ground clearance for all parts of the race vehicle as it sets on the starting pad.
  • If either of your stage bulbs is out when the tree activates, you will receive a red light.
  • The three bulb timer is also on in all classes. Once your opponent has both stage lights on, and you have the pre stage on, you will receive a red if you do not stage within 15 seconds (auto start will be on). If you have problems after crossing the head of staging line you will be given 2 minutes to start and pull to the water box. If you fail to move into the water box in the 2 minutes your opponent will receive a competition bye.
  • If your car dies and will not restart after you have completed your burnout you will be given 30 seconds to refire before your opponent is given a competition bye.

Dual Entry/Class

Any racer wanting to run in two (2) different classes at the same event may do so as long as they adhere to the rules in each class at the time of running for that given class. Example: Racing in Super Pro and No-E at the same race. You may use electronics that are allowed in Super Pro while racing Super Pro, however when you compete in No-E the car must abide by the No-E rules, any electronics allowed in Super Pro but prohibited in No-E MUST be removed while competing in No-E.

Break Out

On any run of a handicap eliminator if both cars breakout, the car breaking out the least will be declared the winner. If both cars breakout the same amount, the “first to finish” shall be declared the winner.

Break Rules

There is no break rule for bracket eliminations. You will receive points and/or money, if any, from the last round you completed. If you do not show up for the round and stage with the cars own power, you are considered forfeited from competition and do not receive money/points for that round.

Car and Driver

A single car may enter once in any class it is legal for. A driver may enter each class once (The exception to this rule would be a "dual tech card" race). You must run the same car during eliminations that you start eliminations with. If your car breaks during eliminations, you cannot substitute it with another car. (NOTE: If a car breaks before eliminations, the driver may substitute another "legal" car for that class. If the racer doesn't make first round, he/she may buy back and begin in second round. If the racer wasn't present for first round he/she may purchase a tech card and buy back and begin in second round) Points will be awarded just as if they were eliminated in first round and then bought back.

Disqualification

Disqualifications are made on a first or worst basis. EXAMPLE: Crossing the centerline is considered worse than a red light. Since we cannot possibly cover all situations that may arise during eliminations, it is the Race Director's responsibility to make a judgment on disputed calls. If it is necessary to settle a dispute, the race director will speak with the drivers involved ONLY. Not the crews, wives and/or husbands. Any race car touching any marker line during the measured race will be disqualified. In determining lane boundary crossing violations, it is considered a disqualification when any portion of a tire touches the painted surface. Contact with guard railing, barrier, or any other track fixture (Christmas tree, cones, and foam blocks) is ground for disqualification. Intentional crossing of boundary line to leave track or avoid depositing debris on strip is not ground for disqualification. (This rule does not apply on bye runs or competition bye runs).

Buy Backs

Buy backs may only be purchased for 1st or 2nd round, only one buy back allowed. In an effort to help the staging lane director, buy back racers will be mixed back into the regular field. Buy backs are purchased at the front gate.

Super Pro

  • This class is for all cars that run 8.99 or quicker running a 1/8 mile bracket format.
  • The class will be ran on a five tenths full tree with crosstalk in an all run format.
  • Deep staging will not be allowed.
  • All electronics will be allowed with the exception of timed ignition interruption devices (stutter boxes), All Davis Technologies traction control devises, MSD 7531, 7561 and 7761 ARC module.
  • Data recorders/electronic devices may only be used to record vehicle functions. They must be activated by a separate switch, and not activated by any other switches on the vehicle. Systems may only display data after a pass or run. Any device that assists in determining track location of any entry is prohibited. The use of ride height sensors and related accessories is prohibited from use in all categories. The transmission of data or information to the driver or any remote location during the run is prohibited.
  • Except those computers installed on stock vehicles by the new manufacturers for the proper operation of such vehicles, no vehicles may be equipped with computers which in any way effect the operation of the vehicle. Data recorders may be used to record functions of a vehicle so long as they do not activate any function on the vehicle.
  • No vehicle may be equipped with devices which are activated by the Christmas tree or by radio transmitters. If laptop computers or video equipment are utilized, they must be properly fastened at all times during competition. Devices may be removed at any time at the discretion of the track official.
  • Any devices which apply electronic timing keyed to the Christmas tree lighting system itself, are not connected by relay or otherwise, so as to automatically activate any devices on the car necessary to place car in motion at the start of a race, are prohibited.
  • Due to safety and allowing the racer to keep both hands on the steering wheel, electric or pneumatic shift is allowed.

No/Electronics

  • This class is for cars that run 9.99 or quicker running a 1/8 mile bracket format.
  • The class will be ran on a five tenths full tree all run format.
  • Deep staging will not be allowed.
  • No delay boxes, delay boxes must be removed from car. Throttle stop controllers and automated throttle must be disabled. Any device that relays vehicles on track performance, other than OEM, is prohibited. Line locks on non-driven wheels only. Line locks may not be used as a launching device. All wiring to line lock must be visible and traceable. Transbrakes may not be used as a launching device.
  • Two or three step rev limiters are prohibited. Single stage rev limiter is acceptable but cannot be used as a launching device. Clutch launched, stick shift vehicles may use line lock on starting line to prevent vehicle from rolling.
  • Clutch launched, stick shift vehicles may use single stage rev limiter to control starting line RPM.
  • All electronics will be allowed with the exception of timed ignition interruption devices (stutter boxes), All Davis Technologies traction control devises, MSD 7531, 7561 and 7761 ARC module.
  • You will be dis-qualified if observed using electronics or if caught using a transbrake for staging or launching the car or use of a delay box at anytime during eliminations. To be clear, a "Pro Brake" is allowed for backing up the car only!
  • Due to safety and allowing the racer to keep both hands on the steering wheel, electric or pneumatic shift is allowed.

Trophy Class

  • If there are enough cars, we'll split the class into two (2) different sides, the winner of each side to run each other for the finals.
  • 1) Class A: Anything with drag slicks
    2) Class B: Anything with street tires

  • This class is for full bodied cars running a 1/8 mile bracket format. (No dragsters. Left-hand steer roadsters with fenders will be allowed)
  • The class will be ran on a five tenths full tree all run format.
  • Deep staging will not be allowed.
  • No delay boxes, delay boxes must be removed from car. Throttle stop controllers, automated throttle stops or automated shifters (electric or pneumatic) must be disabled. Any device that relays vehicles on track performance, other than OEM, is prohibited. Line locks on non-driven wheels only. Line locks may not be used as a launching device. All wiring to line lock must be visible and traceable. Transbrakes may not be used as a launching device. Two or thre e step rev limiters are prohibited. Single stage rev limiter is acceptable but cannot be used as a launching device.
  • Clutch launched, stick shift vehicles may use line lock on starting line to prevent vehicle from rolling. Clutch launched, stick shift vehicles may use single stage rev limiter to control starting line RPM.
  • All electronics will be allowed with the exception of timed ignition interruption devices (stutter boxes), All Davis Technologies traction control devises, MSD 7531, 7561 and 7761 ARC module.

Jr. Dragster

  • This class is for Junior Dragsters running a 1/8 mile bracket format.
  • The class will be ran on a five tenths full tree all run format.
  • The crew may not touch the car while entering the staging beams. The Auto Start System is deactivated for Jr. Dragsters so, if they accidentaly overstage and put the prestage bulb out, the timing system WILL NOT give an automatic red light. Jr. drivers must be prepared at that point to launch their car from a deep staged position. NO pullbacks allowed.
  • Pairings will be figured by drawing cards with the staging lane director.
  • No driver shall be older than 18 years old.
  • E.T. will be restricted to:
    Age 8-9 shall not exceed 12.90 1/8 mile.
    Age 10-17 shall not exceed 7.35 or 85 mph 1/8 mile.
    * If a racer exceeds their “restricted” E.T. in eliminations then they shall have been deemed to have “broken out”, therefore “losing” that round. If any racer exceeds their “restricted” E.T. during time trials, they shall be given a warning. If they should exceed it again during the same day shall be disqualified for the remainder of the event.

Please also read the ORP General Rules which apply to all races.

   

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