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    2001 lb7 ECM Trouble ?

    Not sure what to check next. I tried Daves nologic lb7 tune a few months ago just too see what it was like. I had to run a script since some differences exist between versions and etc. I followed the instructions posted and it worked fine. I got a few errors that pertained to missing maps, ones...
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    New Development, unwanted idle lope ...

    So I've been swapping tunes in my 01 duramax and data logging the results. Mostly tcm tunes but I did try an ecm tune that I found here in the tune library, the No logic 3.0 lb7 tune. Tried it out but couldn't run it, made way too much noise. Sounds like a really cold diesel even though truck...
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    Duramax Tahoe. Tuning the allison 5 speed

    Any one out there with a duramax tahoe running a trans tune ? If so who did it for you and how was the experience ? I'm going through the proccess right now and I'm finding it hard to have confidence in the phrase "custom tune". Seems more like a generic truck tune than custom and requests for...
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