but urethane. That or there are "toughened" epoxies that have been modified to have a bit of flex to prevent cracking. That said, I've fixed holes in oil pans with JB Weld, while the engine was still hot. Just have to have the right tool for the job.
-Dan
"Capitalization is the difference between helping your Uncle Jack off a horse, and helping your uncle jack off a horse." "'she' also likes to swap since I think I am going to need to give her to woody again." - Dvlhntr "full alphabetic boost mode" - ChristopherTheOne " Purrs like a sexually satisfied black panther." - BigTDogg "Two oil eating, angry, spinning triangles of death." - turtleboy on rotary engines