'74 Duster ?'s

Hi All, just have a few questions that I hope to get some answers to. here is some info on my car that will probly be needed to answer my questions. orginal '74 /6 manual 3 on the floor-swapping to- '76 truck 360, 4 speed out of a '75 360 Duster, headers, Schrumacher swap kit for the engine swap, car 360 oil pan, Eldelbrock intake & carb. Thanks for any help, it is greatly apprciated.

1) would this bellhousing (part # 3893728 ) work in my 74 Duster (was told a truck-unknown year/model)
2) does the charcoal canister need to be used
3) what oil filter would work without useing the 90 deg adaptor
4) what would it take to swithch the front end from 4" to 4.5" bolt patern