I ran a 409 "A" fuel car with Enderle injection and a powerglide.

One time the cam broke right behind the gear and spit out the back of the block. Ripped the bottom of the block out, opened the converter, broke the bellhousing and trans case all the way past the shift lever.

Pretty cool...

Bad news...they charged us $85.00 to clean the track after. It seems that they had an "oil-down" fee if you blew your car up!!