70rallysport Posted January 23, 2006 Report Share Posted January 23, 2006 Does anyone have any before and after dyno numbers with the Dynatech's on a 5.3 and 6.0? Link to comment Share on other sites More sharing options...
sandmanss Posted January 23, 2006 Report Share Posted January 23, 2006 Would be around the same for any LT Header for the SS. I would try searching for all LT header before and afters. Anyone brand wouldnt be that much different from the other give or take a few hp. ASM, Dynatech, Pacesetter etc... Link to comment Share on other sites More sharing options...
tbyrne Posted January 23, 2006 Report Share Posted January 23, 2006 I would expect to see about a 25hp gain from these. It is a complete package that has everything required for a bolt-on install. Link to comment Share on other sites More sharing options...
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