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aftermarket turbo
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  1. Duramax Fourth Generation: 2007.5-2010 (LMM)
    Is it neccessary to get new tuned software after bigger turbo? Stock went dead and now installing powermax stage 1..i live abroad and no tuners nearby🙄
  2. 6.5/6.2 High Performance Engine Modifications
    Just picked up a 99 burb with a 6.5 and loving it so far. Motor seems pretty healthy and runs ~160 when fully warmed up (Using DashCommand to check as I don't trust the gauges) and has pretty good oil pressure. It already has the reliability mods in my signature but I would like to start doing...
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