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    2008 lmm tuning questions

    So I sold my 06 lbz got this lmm lift pump,4” deleted exhaust, dsp5, and a v2 autocal Idaho rob all this was done when I bought it thing is no position on the dsp5 feels any different?. Gas mpg sucks only 15mpg truck has a 6” rcd lift on 35s btw any idea if the tunes even are loaded?.
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    Help!! LB7 TCM work on LLY?

    Will a 2004 lb7 tcm work on a 2005 LLY swap if I have them vin matched?. Thinking the tcm for the LLY might be toast it’s giving all kinds of codes
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    Lb7 into a 2007 avalanche??

    How hard would it be to convert a 5.3 avalanche to a 04 lb7 I have everything from the lb7 that I pulled to do my LLY swap
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    LLY u0105 help please

    I have this code and can’t find out why checked all wires for chafing confirmed 10 volts on the ficm pink wires both confirmed grounds both at ficm