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96 grand prix 3100 SFI 4speed auto

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  • 96 grand prix 3100 SFI 4speed auto

    Is the engine for this car a GenII or a GenIII? Im changing out the lower intake gaskets this coming weekend and was wondering what else I could do to it for performance?
    *1988 GMC S15 sierra pickup, 2.5L "Iron Duke" I4, 25-30mpg
    *1997 Mitsubishi Eclipse RS, 2.0L "420a" I4, 30-36mpg
    *1997 Bayliner 1750 capri, 3.0L "mercruiser" I4 inboard/outboard
    *1999 Go-ped Sport, 1.2hp "G23LH" I1, 25mpl (100mpg),
    (soon to be a 5hp G23LH/CY29RC hybrid), Autolite 255, Walbro carb,
    25:1 Castro full sythetic oil, 93 octane

  • #2
    RE: 96 grand prix 3100 SFI 4speed auto

    its a gen 3. anything 60 degree v6 that is 3x00 is a gen 3 motor.

    an idea for performance is either a 3400 or 2000+ 3100 top end. better heads (intake valves are bigger) and intake manifold. it will gain you a bit of power, but im not sure if it would be worth the cost.

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