I have had sucess with the Moroso ceramic engine sealer it will seal up anything
x 2..my current block has been decked ALOT....i had all sorts of issues with head gaskets not sealing,$220 SCE titan head gaskt....leaked..1 treatment of the ceramic sealer and it sealed..make sure to follow directions on the container..it will seal.
-1967 Plymouth Satellite #3555 446 cid on E-85 best 1/4 et 10.577 @ 127.58 best 1/8 et 6.722 @ 100.68 best 60ft. 1.419
x 2..my current block has been decked ALOT....i had all sorts of issues with head gaskets not sealing,$220 SCE titan head gaskt....leaked..1 treatment of the ceramic sealer and it sealed..make sure to follow directions on the container..it will seal. 
