hey folks, i have new 383 stroker,new balancer,new flex plate,new torque converter,and new tci th350.all installed, torqued,lock tited etc. i had they car on the dyno,after the 5th run noticed a rattle.looked underneath to find the tranny case cracked from one side to the other around the bell housing section of the case.any ideas as to what would have caused this? thanks