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Old 03-19-2003, 01:49 PM   #1
wistful
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Join Date: Jan 2000
Location: Royal Oak, MI
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2004 STi
Java Black Pearl

Default stock bottom end.. max RPM?

anybody know this? How high can I safely raise the revline? I don't mean like occasionaly spurts to max... I'm talking run all day at this RPM.

Don
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Old 03-19-2003, 01:57 PM   #2
joefocker20
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Cobb says 7200, but I think running it all day at 7200 would kill it also. You would also need upgraded valvesprings and retainers to raise it slightly just to be on the safe side. I would say, anything over 7000, you need to build the botom end.
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Old 03-19-2003, 04:23 PM   #3
BOY
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Don, you're going to blow something up . The bottom end should be ok, I'd be more worried about the valve springs.
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