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August 13 2017 at 1:13 AM
John UK  (Login johncougaruk)

I seem to have a slight vibration just off throttle on my 428 C6 cougar. Paranoid that I'd wiped another cam lobe I've pulled the valve covers and all seems fine. I have a weighted flex plate but I'm not sure whether I should have an unweighted or not.

I do not know the build spec so I'm not sure what crank I have. I simply plan to swap the flexplate for an unbalanced to see if the problem goes away. Anything else I should look out for?



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