1972 Plymouth Duster 360/4-speed build

Brief history...I bought this car a couple of years ago /6 3 speed...bought a 360 and a 4 speed for it...It has a 8 1/4 rearend currently...I have no idea what gears are in it...here are some pics of when I got it, to where it is now...it will be vitamin C with all new striping...I have 4 15" steelies painted the same color as the car I plan on using for wheels, along with a set of 14" rallye wheels in case I cant get to the bbp conversion for the front completed...