Not Ranked
"my engine builder uses silicone and applies a thin coat on the back of the steel freeze plugs. He claims it buys time on the rust"
Why would someone use steel freeze plugs when brass plugs are not that much more expensive?
To the original question: #2 Ptex was the recommended sealer, for decades, but I'm partial to RTV. Much easier clean up, if nothing else.
__________________
Karlos
"In the Land of the Pigs, The Butcher is King"
|