Thread: 21 Stud 37mod
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Old 12-31-2020, 10:56 AM   #32
Zeke3
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Default Re: 21 Stud 37mod

I was thinking you should also cover the expansion plugs on the oil pan rail on the early engines that had them. The expansion plugs should be replaced anyway it you are pressure testing and cleaning out the block prior to machining.
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