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Last Post 13 Mar 2013 01:04 PM by  Grintch
Evo X build in GT class?
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New Member
New Member

07 Mar 2013 06:59 PM

    Hi Everyone,

    I have a build that I started last year with the intention of road racing at some point. I know that I will not having any issues running in NASA ST1 class, but was wondering if there would be any opportunity for me to qualify the car for any of the GT classes. I'm really interested in doing SCCA, but I'm guessing at this point it might not be possible unless I make any major changes. The car is currently making 560whp.

    These are the current modifications:

    AMS EVO X 750XP Turbo kit
    AMS 2.4L Sleeved Block
    AMS Spec Rods and pistons and billet Crank
    AMS EVO X CNC Cylinder head
    AMS Spec TMP Cams by Kelford
    Exedy EVO X Triple Metallic HD Clutch Kit
    AMS Evo X Clutch Master Cylinder Conversion Kit
    AMS EVO X Adjustable FPR Kit
    Boomba Aeromotive 340 lph Evo X Fuel Pump Drop in Kit
    AMS EVO X Upper Intercooler pipe / hot pipe powder coated black
    AMS 2008+ Evo X FMIC Kit w/Logo
    Injector Dynamics 1000cc High Impedance Injector Set
    GrimmSpeed Mitsubishi Boost Control Solenoid EVO X
    Cusco 15mm Hose Universal Catch Can
    HKS Hi-Power Exhaust System

    Basic Member
    Basic Member

    13 Mar 2013 01:04 PM

    An aftermarket turbo is generally a no-no in the SCCA, except when a specific alternate turbo is allowed (see the Evo specification line in the rule book). This is for the normal "National" classes, most regions have some form of run what you brung class that you can probably run in for fun. Like SPO (super production over), ITO (improved turing over), ITE, or ITX (E/X being extreme).

    I think NARRA runs some power to weight GT classes that are closer in spirit to the NASA ST classes.

    Of course, this is IF you comply with the safety rules.  And as this is road racing with your power you will need to do something to keep the brakes alive and likely some chassis mods.

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