efi live tune ?on a 2005 z71 5.3
Ok this is my first post, I've had a bunch of custom tunes done on my diesel and gas trucks before, I swap trucks alot and my buddy decided to buy the software for tuning, I'm not real familiar with how it all works as I'm usually jst the end user he said he had a pretty good idea, I have a 2005 z71 crew cab 5.3 I did 21/2 in exhaust no cats removed rear o2s bbk throttle body cold air intake and 411 gears he did some tuning on it and it has a Strang idle up and down and stumbles of the line and is running rich at wot, also wen my truck was all stock with jst a hypertech to this I lost 2mpg what in was wondering is does n e one maybe have a tune that we could build off of to kinda get the feel for this, I've got bashed on every other forum asking for help so I hoping you guys could help thanks for n e advise or help
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