It should as it's basically the same body.
not without modification
No
yes
yes, they are the same exact cars the only differences are the front headlights and grill and the tail lights otherwise the cars are pretty much the same. so yes, a 73' nova hood will fit a 70'
Yes
Yes.
No, they are 2 different bodystyles
Yes it will bolt right on.
No, they're 2 different grilles
Yes.
Yes!
Yes