Quote Originally Posted by hotrodstude View Post
what engine do you have???what year truck. if i'm not mistaken all fmx's are alum. cases the old fom and com were cast iron.from 77 up.is this a engine swap???
FMX trannies had all iron cases with some having aluminum tailshaft housings and bell housing. They, while stout are not a rodders choice. http://www.google.com/imgres?imgurl=...ed=0CEEQ9QEwBA

I've had two that came with 351's in Torinos - and both became 'boat anchors' as those were the ALL iron versions