Outlaw 10.5 Rules
Last Updated 1/3/2011 - Printable Version
General Rules
- Heads Up .400 Pro Tree - 1/8th Mile Format
- Towing will be allowed, you must stop at scales, not doing so will be a disqualification.
- All applicable safety rules for the track we are racing at apply.
Chassis
- Back Half type cars only.
- Maximum tire size 33x10.5W as marked on sidewall.
- Must have working tail & headlights.
- Front frame to be original O.E.M. type. Stock like front frame rails mandatory. Direct bolt in aftermarket parts permitted.
- Firewall must be in the stock location.
- Engine must remain in front of firewall.
- Firewall can not be modified for engine placement.
- Minimum ground clearance of 3" from the front of the nose to 12" behind centerline of the front axle.
- Maximum front overhang 45" From centerline of front spindle. Unless longer from the factory, but no longer than factory spec.
Engine
- ALL cars must have mufflers. Turbocharged cars do not need mufflers (Inserts are NOT considered mufflers).
- If any particular combination proves to be dominating based off of performance, weight may be adjusted based on cubic inch, or power adder.
- Single power adder only. Example: Nitrous is not allowed in combination with blower or turbos.
Weight / Engine Combos
All weights are minimums. SB = Small Block, BB = Big Block.
A. Naturally Aspirated
- SB no minimum weight.
- BB no minimum weight.
B. Nitrous Oxide
- SB 2300 lbs. minimum weight.
- BB 4.840 & 4.900 Bore Center 2600 lbs. minimum weight.
- BB 5.00 Bore Center 2700 lbs. minimum weight.
- BB 5.20 & 5.30 Bore Center 2800 lbs. minimum weight.
C. Forced Induction
- Single Turbo SB up to 108mm 2600 lbs./ BB 2700 lbs.
- Single Turbo SB over 108mm 2700 lbs. / BB 2800 lbs.
- Twin Turbo up to 94mm SB 2800lbs. / BB 3000 lbs.
- Twin Turbo larger then 94mm SB 2900 lbs. / BB 3100 lbs.
- Centrifugal Superchargers SB 2600 lbs. / BB 2800 lbs.
- Twin Centrifugal Superchargers SB 2800 lbs. / BB 3000 lbs.
- Roots Supercharger SB 2600 lbs. / BB 2800 lbs.
- "D" Rotor Screw Supercharger 3000 lbs. Max O.D. 125%.
- "C" Rotor Screw Supercharger 3100 lbs. Max O.D. 125%.
Max bore spacing on all forced induction at above weights is 5".
Any forced induction over 5.00 bore spacing add 100 lbs.
Max cubic inch on all forced induction entries is 700 cid.
Max turbo size 108mm on 5" bore spacing (twins).
Max turbo size 94mm on 5.300 bore spacing (twins).
Alcohol on NON intercooled cars only.
4 & 6 cylinder alcohol & intercooler permitted. No minimum weight.
Any forced induction over 5.00 bore spacing add 100 lbs.
Max cubic inch on all forced induction entries is 700 cid.
Max turbo size 108mm on 5" bore spacing (twins).
Max turbo size 94mm on 5.300 bore spacing (twins).
Alcohol on NON intercooled cars only.
4 & 6 cylinder alcohol & intercooler permitted. No minimum weight.














