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Old 07-29-2020, 08:33 AM   #22
J and M Machine
Senior Member
Join Date: Oct 2010
Location: 40 Mt.Vickery Rd. Southborough,MA 508-460-0733
Posts: 318
Default Re: Rear Block Babbitt

Yes: That is an issue as it will leak out of the engine through that area.
The babbitt on rear main is only secured by lag holes it is not fused to the metal.
Get a hardening sealer and carefully smear it into the hole after you've cleaned it thoroughly. Just make sure the oil groove is still open for the oil to traverse across where you've sealed it.
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