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I ran one fore a year that made 3psi hot idle. Never rattled a lifter. Was running fine. It was thrust bearings on that motor. I think the PO installed the harmonic with a hammer and that was the cause.
Main bearings are cheap. If it's a other wise good running engine with good compression then tossing some bearings it it will buy you a couple more years out of it.
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Grim-Reaper
70 Pontiac LeMans Sport Convertible, worlds longest resto in progress
Looking for 71-72 2wd Blazer or Jimmy Project
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