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Thread: 09 Avalanche Engine swaped from 5.3 to 6.0 L96

  1. #1
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    09 Avalanche Engine swaped from 5.3 to 6.0 L96

    HI.

    i have chevy avalanche 2009 with engine swap of 6.0 L96 from Savana.
    ECM is E38 and the car started immediately after swap with no file tuned.

    the issue is when i started to tune and took some data through compare option from savana stock file, at idle i observed that LTFT reading -30 which seems engine is running rich. at the same time i observed inj duty cycle is around 0.9 to 1.2 , O2 sensors voltage not stable and allot of oscillating was observed.
    is this the symptoms of bad O2 sensors? if yes, shall i replace all four of them or only two S1B1 and S1B2?

    Note1: DOD deleted Mechanically and in software , VVT deleted by installing 3 bolts cam and its cover.

    Note2: i tried to drive the car and it was very sluggish with very poor performance.


    attached Log file for your analysis and advise and off course will be highly appreciated



    thanks in advance
    Last edited by ktuned; 3 Weeks Ago at 08:27 PM.

  2. #2
    Tuning Addict 5FDP's Avatar
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    Does the part number on the injectors match the data that is in the tune file?
    2016 Silverado CCSB 5.3/6L80e, not as slow but still heavy.

    If you don't post your tune and logs when you have questions you aren't helping yourself.

  3. #3
    Tuning Addict blindsquirrel's Avatar
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    What does this have to do with the VCM Scanner software? Just that the log was recorded using the scanner? If so, then every tuning question should go in this section (they definitely should not all go in this section).

    E38 stuff goes in the GM Gen 4 V8 section.
    GM Gen4 Injectors v2.1.xls
    ChatGPT is the end result of someone assuming that if they gather up a large enough pile of sh*t it will spontaneously generate a pony.

  4. #4
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    Noted sir. Thanks you for letting me know that i posted the issue in scanner forum, by mistake i was thinking it is editor forum
    Just fyi, i posted in V8 Gen4 as you advised

    Regards