Real Street Rules

• Class will run 4 tenths Pro Tree, 1/8th Mile
• All cars must be driven to the staging lanes.
• Stock front frame rails required (#1 Footnote).
• Pre 48 cars see Footnote #3.
• Any bolt on K-Member or subframe allowed with original suspension mounting points.
• After market front suspension components allowed (#1 footnote).
• Front coilovers allowed upper shock or strut must mount in original fashion (#1 footnote).
• Trunk floor can be modified for fuel cell and pumps.
• No aftermaket 4 links allowed.
• Ladder bars [add 50 lbs.]
  
• Floor pan may be notched for Ladder Bar clearance.
• Anti-sway bars allowed.
• Leaf springs or coil spring may be moved in-board.
• Relocation of rear shock allowed.
• Coilovers allowed [add 50 lbs.].
• Must have working head lights and taillights.
• Rear seat may be removed.
• Fiberglass limited to hood, trunk lid, and bumpers.
• Lexan allowed, must maintain a factory appearance.
• No push nitrous systems.
• Fuel injection allowed, maximum 95mm or 3.75 inches throttle body.
• Standard bore space blocks only.
• Cast tunnel ram will be allowed on any engine combination add 100 lbs.
• Sheet metal intakes allowed naturally aspirated only.
• No LENCO, LIBERTY, or any other clutchless manual transmission.
• Must use original stock type rear suspension.
• Any bolt on type traction device is permitted.
• No wheelie bars.
• Mufflers required, No collector mufflers.
• Big Chiefs or pro stock style heads on big blocks naturally aspirated Only
• Big block Ford and Chrysler must call for head approval 918-451-8212.
• Single nitrous bottle
• #4 Nitrous line maximum .195 inside diameter for the fitting and the line, minimum 12 inches long. MAKO will have a line that you can purchase that is legal if you would like to.
• Bottle must have #4 Male fitting.
• If Bottle is mounted in Trunk the #4 line may be placed at the solenoid or Y block
• Blower Centrifugal F-1R or equivelant.
• F-2 or equivalent with 3.875 (inlet restrictor allowed) (#2 footnote).
• 8-71 Roots type Blower 2 carburetors or bug catcher gasoline only.
• Turbo single 88 mm inlet.
• 67mm twin turbos allowed, small frame only, reducers allowed.
• Alcohol allowed carburetor only.
• Alcohol carbureted blow through, no intercooler allowed.

Weights

• Blower or turbo big block 3500 lbs.
• Nitrous big block 3400 lbs.
• Naturally aspirated big block with Big Chief or pro stock style heads 3250 lbs.
• Nitrous small blocks inline heads 2900 lbs.
• Nitrous small blocks Neal Yates SB2 ect. 3000 lbs.
• Blower or turbo small blocks 3250 lbs.
• Blower or turbo small blocks Neal Yates SB2 ect. 3350 lbs.
• Add 100 lbs. cast tunnel ram, 2 carburetors.
• Add 50 lbs. ladder bars
• Add 50 lbs. coil overs.
• Add 75 lbs if using both ladder bars and coil overs.
  
• Deduct 50 lbs. DOT tire (the big radial excluded)
• Naturally aspirated deduct 300 lbs.
• V-6 2 power adders 3100 lbs.
• 4 cyl 2 power adders and alcohol injected allowed 2600 lbs.

Tires

Mickey Thompson
any tire marked to 28.0/10.5 including the W tire
any tire marked to 29.5/10.5 non W

Mickey Thompson ET Street
any tire up to the 28/13.50 or 30/12.50

Mickey Thompson ET Drag Radial or
Hoosier DOT Drag Radial
325/50-15 maximum [Deduct 50 lbs.]
315/60-15 no weight break

Hoosier
any tire marked to 29.5/10.5
[the 18192 and 18175 tires are not legal]

Phoenix
any tire marked to 29.5/10.5

Goodyear
any tire marked to 29.5/11.0

Safety Rules

All applicable safety rules for the track we are racing at apply.

Footnotes

1. Coil spring on upper a-arm vehicles may install aftermarket Mustang a-arm or strut type front suspension (must have approval).
2. Inlet restrictor must be mounted no farther away than the original inlet flange.
3. Pre 48 model cars allowed to replace frame and suspension with typical street rod type replacement suspensions, Ladder bars or 4 bar suspensions will add 50 lbs. [no round tube frames or race car 4-links allowed

I reserve the right to change to or modify the rules as necessary with no less than 3 weeks notification

Jeff Holloway

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