Need some advice with tuning

By 90gmcs15
June 27, 2016 in 1982-2005 Chevrolet S-10/Blazer & GMC S15/Sonoma/Jimmy

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90gmcs15

Posted June 27, 2016

Just looking for a bit of advice with someone's who used a tuner or a decent chip on a 1990 gmc s15/10 4.3 v6 rwd. I've put a decent amount of work restoring this vehicle and now would like to put a bit of pep into it.

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