Wow, sounds like he really knows his stuff. Appreciate the info all. I'm thinking of a Nelson tune, but wanted to hear why I should go with it vs something other. Thanks again for the input
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2000 Silverado ECSB- 5.3 CAI, Pacesetter LTs, ORY- Pipe, Magnaflow XL, E-fan, Ported T/B , Nelson Tuned, Built 4l60e, Circle D Stall, 3.42s G80, 2-4 Drop, Hertz Highs, Rockford 501s