I have acquired a sbc 60 over 4bolt main.Tore down yesterday.Motor is going in machine shop tomorrow.The motor was rebuilt not long before parked.Has been sitting a while.Looked up part numbers on cam and guess part # is obsolete.Wondering if anyone could tell me specifics on cam.It is a crane cam with 228/320/6A with part# 114486 stamping.Thought about keeping same cam as it is not hurt at all.Was wondering how well it would work with a tunnel ram with 2 450s.Thanks for any help,Randy.
I think your only options are to call Crane tech and ask them. You could measure the lobes and figure out what the lift is but, you still wouldn't know the duration.