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st170 crank max rpm

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Old 09-03-2009, 08:07 PM
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northenhunk
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Default st170 crank max rpm

hi i'm putting an st engine in my focus and was wondering what you may have heard about the max rpm for the standard bottom end, i've seen people doing 8000 with just rod bolts and i have seen 8500 on standard bottom ends, so my question is what have you guys heard of and seen?
Old 09-03-2009, 10:20 PM
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Rick
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7500 is about max for the std oil pump.
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