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  1. #1

    Question new motor 2000 GMC K2500 350

    I need a new motor, I would like to go with a 350-350hp but can we keep the SFI and computer or would we have to replace everything....
    or would it be best to go stock 250-290hp

    (don't know which way to turn)

  2. #2
    Master Mechanic Silverado Junkie's Avatar
    Join Date
    Feb 2010
    Lead Hill, Arkansas


    You can find a 350 horse- 350 to work with your SFI but you might have to ditch your computer or get it retuned so that it works properly and delivers the most powerfull ignition curve and to get the proper amount of fuel to your hopped-up crate motor.
    1995 Silverado,Z71, 3-inch lift,2-inch leveling kit, SkyJacker Suspension, short ram-air intake, throttle body spacer, MSD ignition coil, straight pipes

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