I'm in the beginning stages of building a BBC for my 70 chevelle and I'm not sure which route to take on the Carb. Here's my combo so far:
454 .030 over
lunati 60204 Cam
TH 350 trans (for now will be replace with another auto trans)
2500-2700 torque conv. (Still undecided)
12 bolt with 3.42's...