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This is a discussion on Opinion Questions within the Engine Modifications forums, part of the Tech & Modifying & General Repairs category; This may sound like a dumb question, but what would give the best overall performance. A Process West Tmic fuel ...

  1. #1
    Bill Freakin Murray TownLine500's Avatar
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    Opinion Questions

    This may sound like a dumb question, but what would give the best overall performance.
    A Process West Tmic fuel pump injectors and re tune?
    Or am I better off going headers, fuel pump injectors and re tune?
    I know I'll need additional parts such as wideband 02 sensor BPV. I know it's kind of a schizophrenic build but with money limitations, I believe that I need to start building in one direction or another.
    Looking for opinions and advice.

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  3. #2
    Moderator Donkey's Avatar
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    An EL header will produce more power than a FMIC. You don't need a wideband but it's nice to have and you definately don't need an aftermarket BPV.
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  4. #3
    MAINEiac 11blackSTi's Avatar
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    I would chat with the tuner about the plans for the boost levels after said mods are done. On a GR the BPV has been known to fail past stage 2 levels (you should mention in your posts that you have a stage 2 GR, as your avatar picture is slightly misleading).

  5. #4
    Bill Freakin Murray TownLine500's Avatar
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    Quote Originally Posted by Donkey View Post
    An EL header will produce more power than a FMIC. You don't need a wideband but it's nice to have and you definately don't need an aftermarket BPV.
    Even heading towards stage3 I would not need a BPV? I'm going to do a Process West TMIC equal length headers ( Looking for suggestions)
    Bigger injectors DC65c fuel pump wideband 02. And I'll need a retune once everything is installed.
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