need a little bit of help
Sep 18, 2010 | 02:46 PM
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From: wi.... winters sucks
need a little bit of help
im building a 5.3 with a tvs 1900 i have 706 head on it and a 90mm tb but i was wonder how much boost i can get away with before meth? and should i mill the head or port them or both and if so how much?
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