My 64 DeVille has a set of steel freeze plugs.  The car was left in storage with only water (no Antifreeze) in the engine.  The freeze plugs have rusted and are starting to leak.  I am trying to find a source for a set of the good brass Freeze plugs to replace them.  The vendors here on our website only seem to carry the steel replacements.

I am sure I can get the brass freeze plugs if some one could give me the correct size of each of them.

I am open to suggestions.

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Comment by Jason Edge on August 4, 2015 at 7:24pm

The freeze plugs are 1 31/64", 6 in block and 2 in each cylinder head. I have new steel ones for $1 each + s/h. I have always used the steel ones with no problem. I also have a good stock of the  2 7/64" cam plugs for $2 each. Just one of those on the rear of block. Email me at jasonedge@nc.rr.com with qty and address if you want to get any of my steel ones.

ps. There was an excellent article on "freeze plugs" (also called Core Plugs, and Casting Plugs and simply referred to as "Plug in Crankcase" in Master Parts book) in John Washburn's article "A Part by Any Other Name" in the June 2015 Cadillac LaSalle Club Self Starter. He covers the steel and brass expansion and cup type plugs, and also the quick seal rubber expansion plugs and references and has a picture of the Dormon 570-006 which would work for 1946 to 1967 Cadillac Engines.

 If you are not a remember of the CLC, be sure to join by going to http://www.cadillaclasalleclub.org/joinrenew.  The award winning Self Starter and its many great articles is just one of the many perks of being a member!  Jason.

Comment by Gérald Fourdin on August 4, 2015 at 3:36pm
Steel freeze plugs.
Comment by Gérald Fourdin on August 4, 2015 at 3:34pm
I have used on my 390ci my 1959 cadillac and freeze plugs since 1999. Never had a problem!

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