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  1. S10 / Sonoma
    Hello all. New to the forum... I have a 2000 Sonoma, 4.3L, 2wd. I recently had a posi installed in the rear end. Decided to do a gear change as well since it was apart. (3.08-3.42) Since then I’ve been looking for an aftermarket tuner. Mainly to correct the speedo (and maybe change some...
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