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Thread: 4.3 CPI tuning valve and secondary injectors

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  1. May 18th, 2020 #1
    Alan.hulse1984
    Alan.hulse1984 is offline
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    Default 4.3 CPI tuning valve and secondary injectors

    I have a 4.3 CPI that I am re pinning to a 0411 from a 01 blazer. Its being converted to a manual, I found a base tune file to work off of.

    1st Im wondering if anyone has any experience adding input and outputs to the 0411. At 3k RPM I want this tuning valve to open. Its either open or shut and uses 12 volts to operate.

    2nd in all the tunes I am finding that use a manual, why does the transmission calibration have parameters of any kind? When looking into a manual tune file you still see TCC and downshift, upshift parameters.
    Last edited by Alan.hulse1984; May 22nd, 2020 at 05:53 PM.
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