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very nice. How do you like the super chips programmer? Does it make a big difference? I have a 2007 Silverado 5.3L reg cab. almost the same.
maniac280z 3 months ago
@maniac280z The programmer is okay, I used it mainy to correct the speedometer. I did try the other settings but just left it on factory tune for the most part. Not much of a difference other than shift points.
eezmoneey 3 months ago