Quote:
Originally Posted by WRX06TR
With a good tune your stock internals should be fine. But that is directly proportional to the amount of boost hammering into it and how you take care of it. 21-24 PSI should be "okay".
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24psi is too much IMO. I've got a build motor and that's about what I'm planning on running. I'd stay in the 18-22 range tops on a stock bottom end.
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