b18b engine is my favorite next to b20z for turbo purposes. it can handle a lot of boost for stock internals. i saw somebody who ran 16 psi on stock and ran 12's un-tuned! it was a b18b swap on a HB. i am not implying that it was safe to do that, but a low compression b18b can take it....IMO. i would not boost higher than 10 psi on stock tho. i like to play it safe......
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