Head gasket sealer

Head gasket sealer

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By lowrider - 11 Years Ago

You guys running steel shim head gaskets, what are you using for sealer on them? Block and heads have been resurfaced?

By NoShortcuts - 11 Years Ago

I'm no longer using the original style steel head gaskets, Dan.

I used to spray them with a medium coat of aluminum paint when I did. Let the gaskets dry to the touch, and then begin assembly.

I have no idea where I got the idea of doing that. Never had a problem with sealing though...

By Glen Henderson - 11 Years Ago

The alum paint thing worked back in the day, but not sure if modern paint will work. Copper coat is available in a spray, and should be at the parts store.

By Ted - 11 Years Ago

The spray on Coppercoat works well. Just be sure to re-torque the steel shim head gaskets after the engine has heat cycled a few times.

By lowrider - 11 Years Ago

I think I'll go with the Coppercoat Glen & Ted mentioned. I think I have a can laying around if I can find it. I wanted to go with the old Ford stuff B5A-19554-A Prefect Sealing Compound but nobody has it. Guy on ebay is selling a small can for 19.00 + shipping. Dont want it that bad.

By NoShortcuts - 11 Years Ago

Glen Henderson (1/25/2014)

The alum paint thing worked back in the day, but not sure if modern paint will work. Copper coat is available in a spray, and should be at the parts store.

GOOD point, Glen. I hadn't even thought about the changes in paint formulation. Using aluminum paint today would be a gamble.

Regards,

By Daniel Jessup - 11 Years Ago

ditto on copper coat here for head gasket sealant