having trouble getting the new pilot bearing in the crank. so i went to the parts store and bought another one, same thing, it wont go. i thought all chevy pilot bearings where the same. its a 65 truck engine, tranny is muncie m21 anybody else ever run into this? its fresh back from the machine shop so its not like its full of rust or anything. oh, and it made 375hp & 430 tq on the dyno