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15 psi

  1. Forced Induction and Nitrous Discussion
    How much boost can a stock bottom end of a Beta 1 or Beta 2 2.0L i4 handle? I am running 13 PSI right now, having slowly worked my way up over the course of a year. I got retarted cams, AEM FI/C, timing retard, larger injectors, bla,bla, bla, to the top end. I am wondering, has anyone put a...
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