I have a aam stage 1 short block for about a year. It has treated me very well. AAM did mess the plumbing up my waste gate and bov , so I had to fix that. BUT they did stand with there workmanship and gave me a free intake mani for fixing a few vacuum lines. I would call them good but not great, really good price thought. I would chalk up the experiance of the vaccum lines of running it for a tt setup like the one they make, not the bp kit.
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