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EZ Street (rev. 1)
This class is limited to nitrous, single turbo, centrifugal
superchargers/OEM style automatic cars/trucks.
Body and chassis:
-Lexan/plexiglass window replacements permitted
-Functioning lights required.
-Sponsor lettering restricted to vehicle glass and/or hood
only.
-Light weight body panels allowed.
-Stock style or ladder bar rear suspension.
-Stock style front suspension required. Full stock front
frame required with stock
suspension pick up points retained. Coil over conversions allowed. No
strut
conversions.
-Stock fire wall and location required.
-No front spoiler unless OEM equipped.
-No
forward facing hood scoops unless OEM equipped.
-A small rear wing permitted. No molding of spill plates to
quartersExhaust:
-Mufflers required. Must be commercially available units, no
home built mufflers.
No gutting of mufflers permitted. No insert style mufflers
Induction:
-Cast aluminum non tunnel ram intakes only. No carbon fiber/sheet
metal intakes.
Fuel injected entries may use fabricated sheet metal upper intake with
cast
aluminium lower intake.
-Single carburetor or throttle body only
Nitrous systems:
-Nitrous systems limited to 4 solenoids (2 nitrous and 2
fuel).
-Single stage systems only. Must use fogger or plate, no
combination of the two
will be permitted.
-Fogger systems limited to single nitrous and fuel nozzle
per cylinder with single
nitrous and fuel feed per nozzle.
-Plate systems limited to single plate.
-Progressive systems with 1 extra nitrous solenoid
permitted.
-System limited to single 15# bottle with single -6AN feed
line from bottle to engine
compartment mounted nitrous solenoid or distribution block.
-No disconnected auxiliary nitrous equipment permitted. Only
approved nitrous
system may be on entry to pass OSCA tech inspection.
Tires:
-Maximum rear tire size 31 x13.5" DOT tire
-No slicks permitted
Transmission:
-OEM style automatic trans
Engines/ Weights Nitrous:
-Minimum weight 2900# (entries cannot be lower than base
weight regardless of
weight breaks)
-350ci 2900# +2.5#/cube over 350
-450ci 3150# +1.5#/cube over 450 up to 510
Maximum 510ci
Engines/Weights Single Centrifugal superchargers:
-Minimum weight 2950# (entries cannot be lower than base
weight regardless of
weight breaks)
-300ci 2950# +3.3#/cube over 300
-360ci 3150# +2.5#/cube over 360
-400ci 3250# +2#/cube over 400 up to 510
Maximum 510ci
-Max supercharger inlet diameter 102mm
Engines/ Weights Single turbocharger:
-Minimum weight 3050# (entries cannot be lower than base
weight regardless of
weight breaks)
-300ci 3050# +3.3#/cube over 300
-360ci 3250# +2.5#/cube over 360
-400ci 3350# +2#/cube over 400 up to 510
Maximum 510ci
Turbochargers:
-Max turbo inlet diameter 85mm
Safety:
-Engine Diaper - Mandatory. Non SFI units OK.
-Fire System - Mandatory.
-HANS (or equivalent) device required for racers exceeding
190MPH
Fuel:
-Gasoline only
If you are building a race car and you are unclear about
rules concerning your class, please contact us.
The CSCN reserves the right to impose penalties for rule
infractions and on items which do not represent the intent
of the class entered. |
