Hi Jess,
My 48 only had the two bolts through the plate beneath the harmonic balancer on the front of the engine, and the transmission bolts on the rear. Of course, you have the wiring, clutch linkage, exhaust, etc. If I missed anything, someone else will chime in.
Ralph


rtlopez@shipleysystems.com
48 Chevy 3600 w/235
48 Chevy 3100 w/235:
You cant see the smoke on a dirt road.