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Old 08-31-2012, 09:14 PM   #1
kdstang90
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Join Date: Sep 2007
Posts: 1
Default vibration in new motor trans combo

I have a new prof built balanced short block 306 that i put a c4 behind i did install the c4 balanced flywheel on the combo. Don't recall the balance but its the one e everyone said to use. Now on a hard acceleration i have a mid rpm vibration.
I did use the original 5.0 balancer. Could this be my problem and if it is a potential issue what could i try prior to riping into the rotating assembly?
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