hello, got the engine outta my truck, but, i can't seem to get the bell housing off. it's a 1941 235. i've got a line on a 1954 235 to take it's place. it is my understanding that my bell housing will bolt right up to it. i've removed 4 bolts. 2 on the top of the bell housing on the outside, and 2 on the bottom inside. what's holding it on? i hope it doesn't involve turning the flywheel, it's been stuck for 40 years or so. hence, the engine swap. thanx in adavance. marc