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Thread: Tuning help

  1. 12-11-2014 #1
    07TurboTruck
    07TurboTruck is offline
    Tuner in Training
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    Nov 2014
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    Tuning help

    I recently purchased VCM Suite Pro because I got tired of always having to drive an hour and a half to get anything tuned. Right now, I'm working on a 2007 chevy truck with the 4.8L engine and a Precision 7475 turbo, running on E85. This is the tune I read from the truck's computer. It's probably pretty nasty. Could someone look at it and give me a few pointers on what to do, and what some of the more important adjustable parameters are, and what they do? Thanks in advance. 07TurboTruck.hpt
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  2. 12-15-2014 #2
    07TurboTruck
    07TurboTruck is offline
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    Anyone? A little more info on the truck: late 2007 4.8(ly2), tsp 220r cam, edelbrock Vic jr manifold with elbow, 160lb injectors, 15lb wastegate spring. And how do I scale for injectors that big? I noticed the injector flow table only goes to 60-something.
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