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Join Date: Jan 2008
Location: Ossining, NY
Posts: 4,812
Is it normal for thru bolt o-rings to get mangled?

I've only done a few engines, but I'm seeing a trend of through bolt o-rings getting kinda mangled by the process of torquing the through bolts. Recently I had to tear back into a bottom end that I'd just assembled, and the o-rings showed signs of slicing into the rubber and also squishing out along the perimeter. Is this normal? I am using the green o-rings from Wrightwood and the Dow paste to lube them.
Old 03-15-2025, 09:05 PM
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