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92 Vortec Fuel Injection Change Over

Discussion in 'Performance & Fuel' started by LoneWolf'burban, May 3, 2011.

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  1. LoneWolf'burban

    LoneWolf'burban Rockstar 100 Posts

    I want to make my 92 GMC Sonoma Gt with a CPI fueled 4.3 Vortec into a TPI system. Seen a lot of things people have written about the system and it's not looking good. Plus I want a few more ponies and miles out of each gallon. Not looking for a hot rod in this one. Going from a Suburban to an S-15 has made me nervous. Not enough ass on the truck to make it feel stuck to the ground like my big truck.
  2. silveradotrailblazer

    silveradotrailblazer Epic Member 5+ Years ROTM Winner 5000 Posts

    I've never seen a TPI system for a 4.3, do you mean a TBI system?
  3. LoneWolf'burban

    LoneWolf'burban Rockstar 100 Posts

    No, I mean Tuned Port. But if they don't make'em, I can't use'em now can I. What would be the best replacement for the CPI system on my 4.3?

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