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Old 11-15-2011, 03:11 PM   #2
68C15
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Join Date: Jan 2004
Location: next to my reloading bench
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Re: '91 4.3 question - harmonic balancer

I doubt the balancer is the cause. cracked flexplate?
a rod knock can be confirmed by shorting one cylinder at a time. when it stops you have found the bad rod.
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