Big Block or Small Block in my 70 Duster
Spend the money get k alteration front end with R&P
More room for PS, Zbar & headers
Go with 440
You'll like it when done. These are not daily drivers, since we are doing this we must enjoy a challenge. What the hell if you don't have any room.
Sure wish I had went with the 440 I had
Took me all night laying on the floor to change the starter on a factory 383 PS dart back in the 70s. A lift or helping hand (dad got home at midnight and helped with it) would have made it easier