Yes. Any 73 and up Duster or Valiant hood would fit.
The bumpers for a 1972 Plymouth will fit a 1973 Plymouth duster with a little fabrication.
They should be interchangeable
all depends on the shape it's in and dodge never made the duster, plymouth did.
try the library and get a chiltons repair manual for your year valiant.
D70-14" or 735-14"
there are 4 nuts under the car...
Try the library and get a chiltons manual for your car.
try manciniracing.com and see if they offer it.
That all depends on the engine you have and the rear gearing in the rearend.
you will have to jack up the engine on that side to re-bolt it on.
you don't have to but it's a good idea as a tranny from a V8 is stronger.
Yes it is possible remove the tranny and engine at the same time. I have done it with a 74 and a big block and tranny