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Heads Up Rules

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.
 

Rules - 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.
 

Rules - 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.
 

Rules - 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.
 

Rules - 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.

   

Rules - 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.
   
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