Has anybody ever heard of this stuff? www.steelseal.com
Very intertesting liquid to stop small head gasket leaks.

 

My buddy tried it on a 3.3l v6 chevy. It seemed to help for about 2 days, but now the problem is worse and he's taking it in to be fixed right.

brandon.

 

i have not used that stuff and i do not think much of merical in a can
but that said my toyota head gaxket had a external leak and
i just did not have the time to fix it so a added water every 3 days
when talking to my machinist he said he buts this puck in all of
his engines i gusee its something g.m. does or did . you can get them at napa
told me to try it well so far it has worked, knock on wood for about 2 years no leak it did not clog my heater core so far so good....

he also was given a p.o.s car to run parts with it was not worth anything
so he did play with head gasket in a can and had good luck so far
but as soon at it dies he is going to tear the engine down to see if it blocked any thing up or see if he can tell what it actualy did