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Thread: Vortec Head swap on my '92 TBI 350. Tuning questions.

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  1. #2
    Super Moderator dave w's Avatar
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    Feb 2011
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    I've tuned several Vortec heads with TBI conversions.

    I like the TBI adapter plate pictured below!!!

    The AE and PE needed for the Vortec heads is HUGE!!!

    The factory Vortec timing tables are a good place to start.

    15 lb TBI pressure regulator is a good idea.

    Injector flow of about 70 lbs is about ideal!

    Data logging is only way to know if the chip is working correctly.

    dave w
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