08-19-2015, 12:08 AM
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#11 (permalink)
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A True Z Fanatic
Join Date: Dec 2009
Location: 03350 Australia
Posts: 1,516
Drives: 09 Nissan 370Z M6
Rep Power: 39975
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Quote:
Originally Posted by phunk
My last few conversations with the experienced fellows at JWT left me deciding that I would not spin the stock crankshaft much higher than stock for long at all. Maybe like 7800rpm here and there, but not often. At 8000 and up its going to develop small fractures until failure.
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Matches my feedback as well ........ which I why I have ordered a steel crank - it is not cheap BUT well worth it ...
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