Thread: Engine vibration at 2200 rpm
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Old 07-23-2012, 06:38 PM
olddog olddog is offline
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Join Date: May 2006
Location: St. Louisville, Oh
Cobra Make, Engine: A&C 67 427 cobra SB
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With transmission in gear, clutch pushed in. and car stopped, rev engine and see if vibration is still there. If it is, it cannot be the clutch, as it is not turning.

There are two different off set balance options for the SBF - 28 & 50. Also some aftermarket builders internally balance the crank. Do you have the correct flywheel and harmonic balancer for your engine? Are you sure?
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