01-20-2011, 04:56 PM
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#7 (permalink)
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Track Member
Join Date: Jul 2009
Location: NJ
Posts: 683
Drives: 09 370z 6Speed
Rep Power: 18
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Quote:
Originally Posted by 1slow370
no i mean my crank was walking, there was nothing wrong with the pulley the thrust bearing was gone out of the engine and since the crank pulley is attached to the crank you could move the whole crank shaft back and forth by pushing/pulling on the crank pulley. If the car just sounds different with no accompanying vibrations to co with it chances are your bearings are fine, it might just be a resonant frequency in your exhaust at that rpm.
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It's possible it's a resonance frequency because of the long tube headers but who knows. I'll try seeing if there's any play in the crank pulley but you would hear it at idle while revving If there were.
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