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Thread: Tuning a 418 in a 1998 firebird

  1. #1
    Tuner in Training
    Join Date
    Dec 2016
    Posts
    14

    Tuning a 418 in a 1998 firebird

    So guys thanks for the help before hand but let me get into what I am planning on doing...

    ok, so first things first, 1998 firebird that has the bastard computer, can I tune this motor that I expect to make 500+ whp with it or do I need to swap to a 0411?

    if i do swap, ik repinning is the usual method, but could I replace the engine harnness with a 99-02 harness.

    also if i can swap harnesses can I use a harness from a 60e car?

    for 500+ wheel what maf do I need? ls3 card style? Does the 0411 computer have adequate range?

    Last question for now, Injectors, can I use the FF injector from like a 2010 truck for additional capacity, part #12609749, 50lb at 58.5psi.

    thanks in advance guys.

  2. #2
    Tuner
    Join Date
    Dec 2010
    Location
    Fort Worth, Tx
    Posts
    104
    where are you located at?
    email me at [email protected]
    I have a 410 CI Formula with a 98 PCM that I tuned, It runs great.
    thanks

  3. #3
    Tuner in Training
    Join Date
    Dec 2016
    Posts
    14
    done!