what is a good block sealer (permenet type)

[johnplants]

Hi;
I have a 1940 tractor(farmall H )that i forgot to put Antiefreese in.
what would be a good premanet bloc sealer to try?
my e-mail [email protected]
this is my first post

 

[wyliesdiesels]

This is an electrical forum. You may not get many responses....