#39

03-24-2026, 10:45 PM

SRGN

Senior Member

Join Date: Jun 2009

Location: Central NJ

Posts: 166

Quote:

Originally Posted by grivera

Maybe a long shot but did installer forget to put anaerobic sealer between rear main and block?

Great advice here. I've used anaerobic for years on rear mains in my Buick builds. I also use it between the 2 halves of the neoprene rear main seal that I use instead of the rope seal. I haven't had a rear main leak since I started doing it that way. Far superior to silicone.

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