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Thread: Changing my throttle body

  1. #1
    SCH Member
    Join Date
    Jun 2003
    Posts
    59

    Changing my throttle body

    I want to get a bigger TB but don't know what size to get. If I change the tb size do I have to change the size of the pipe from the supercharger to the TB? If I dont' change the pipe wouldn't that defeat the purpose of getting a bigger TB? I don't understand. Please help.
    306 dss pro bullet,gt40x aluminum heads,Crane roller rockers,AFM b41 cam, cobra intake upper and lower match ported, 42lb injectors, FMU, pro-m 80 mass air, Morpheus power pipe, 255lph high pressure intank pump, trex inline pump, novi-2000 stock pullies 8-10psi, strange axles, 3:73 gears, full guages, tremec tranny, aluminum driveshaft, msd, msd boost retard, bbk headers, Mac h-pipe w/cats, 2 chamber flowmasters, eibach springs
    HP:446
    TQ:430

  2. #2
    Senior SCH Member Blu50Stang's Avatar
    Join Date
    Mar 2003
    Location
    CA
    Posts
    216
    I think you'd do fine with a 65mm or 70mm throttle body. At those sizes, you won't have to change the size of the discharge tube.
    -Ross

    88 GT - Novi'd 302
    98 Cobra - N/A 281

    Quote Originally Posted by Doug
    Of course we are talking about real boost from a Novi2K :D

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