How do I customize my tune for my 2002 Silverado 2500 6.0L

Predator support for GM gas vehicles

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RacerBrownJr
Posts: 12
Joined: Sun Apr 27, 2008 11:53 pm

RE: Re: RE: How do I customize my tune for my 2002 Silverado

Post by RacerBrownJr »

I haven't visited for a while. I put in a new fuel filter and changed from -5 to -3 to stay in the zone...I'm at -1.56% on both banks...I just tried the High Test tune.
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