I just had my harmonic balancer go on me. It knocked like hell, I woulda swore I had a busted rocker arm or something.
Don't know if it is the same kind of knocking but could be easy to overlook. I almost did, a friend found it for me.
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'92 GT conv.
TFS heads, GT40, Powerdyne 9#, AOD, 3.73
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