It's a pretty small crack, and it's on the bottom of the transmission, near the side closes to the passenger tire. I think the jb compound should hold, given that the transmission doesn't get too hot, and doesn't flex a hell of alot. I just bought this engine (1st gen b16, complete changeover), from hmotors, but am not sure if the transmission was damaged in shipping, or if me and my buds damaged it while installing :dunno:. Either way, i'm not sure if hmotors covers this damage.