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Thread: Replacing SC14 stock pully with an alternator pully ?

  1. #1
    Ride
    Nissan 300ZX TT

    Join Date
    May 2005
    Posts
    149

    Default Replacing SC14 stock pully with an alternator pully ?

    Me and my bro just bought an SC14 supercharger for our V6 VN commie and was wondering what PSI it would be running at if we replaced the stock pully with an old alternator's pully ?

    If its something like 10-12 PSI, that would be awsome but obviously we would need to do some internal upgrades for the engine to handle it.

  2. #2
    Ride
    VP WAGON V6

    Join Date
    Mar 2006
    Posts
    644

    Default

    yeah and you might wanna have a back order of sc14s if your gonna run 12psi throught it cause it will last about 2 minutes.. the most they can take is around 8 to 9 but that is a definate MAX.. six is safe.

  3. #3
    simc is offline Supercharged V6 Gemini

    Join Date
    Jul 2005
    Posts
    219

    Default

    Yeah forget it!!
    Standard pulley is around 110-115mm, 6psi is around the 85mm mark, not worth going much smaller then that.
    Current Rides - The Daily: BA XR6 Turbo -The Scary One: TE/G Gemini Supercharged 3.8L V6
    The Cruiser: 1966 XR Fairmont V8 - On Two Wheels: Honda XR250R - The Wifeie: VZ Wagon

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