i have 48 ford with 390 4 speed want to swap in built 460 using the 4 speed. need to know if i can use the 390 fly wheel clucth set up. i know i have to use 351-400 mod bell housing. can i use the 390 fork or do i need the 351-400. please help want to get my old hot rod back on road. this 460 is new to me im old school and run fe blocks and y blocks but wanted to try this so built the 460 svo mill. you can email me at wbender@hvc.rr.com plus post ans.