Darin Morgan, Show Guest: Do not EVER use epoxy in a water jacket no matter what kind it is. Its a disaster!
Does anyone have any info on why epoxies are so bad, I'm planning to use Devcon Liquid aluminum in my engine block, I have seen others use it on their engine block for sealing/fixturing cylinder-reinforcing bolts (often called "pins" or posts") with great success. Larry Widmer, a past show guest posts/pins lots of engines and reccomends that particular epoxy.
I was thinking of ordering some more liquid aluminum and maybe doing a half fill on the water jackets with it. I guess I should really get some more opinions before going ahead with it... disaster is a scary word. [/b]