1933 V8 Freeze Plugs????

[Doug 845]

Please see previous post. The last pic is a duplicate of the third one.
Thanks

[B-nut]

Doug, Have come across so many rotten freeze plugs and so much tar like pan sludge in these flatties over the years that I pull the oil pan on every one for a clean out and new freeze plugs. Don't miss this opportunity to clean out your water jackets with some coat hangers or threaded rod and a shop vac.You won't believe the crud on the other side of those freeze plugs.

[DavidG]

With respect, plugs that are securely retained by the attached adjacent oil pan flange aren't exactly "freeze" plugs as noted at the top of the first post.

[johnboy34]

None of them are "freeze" plugs, they are core plugs to get the core sand out of the casting! Sometimes a few have been lucky they popped when frozen, not very often.

[JSeery]

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Believe "freeze" plug is a slang term for "core" plug. As far as I know there is no such thing as an actual freeze plug. As stated openings are designed into engine castings to remove the core sand.