The rear bumper will not, the front bumper will with a bunch of modification including fender, core support , bumper brackets, lights, wiring harness and a hood with one from a 70-76 car. Save your self a lot of time and trouble unless you have time and a donor car.
Yes but you require the front bumper brackets, and lower valance, signal lights and brackets. I have done it, can use 1976 hood with it also . 1977 and later hoods are flat and will not allow bumper to fit correctly
No
I'm fairly sure that the 70-81 windshield is the same dimensions.
Simple answer...yes. Not much changed between the years until 81.
For the most part yes almost everything bolts up the same except for the valance where it attaches to the fenders. 74 and older fenders have to have a bracket installed on the lower section in order to hold the valance.
Yes but you well need to get new fenders a new hood new headlight assemblies and some other stuff
Yes...it absolutely will. In fact, you can change them all from 1970-1981 if you have all the parts from the front end to do it.
no considering the front is more boxy and wider in the front. the 1990 bumper is rounded to fit the 88-98 pickups , the suburban kept the box style until 1991. your best bet would be to find a 1973-1987 silverado,custom deluxe,cheyenne, or bonanza bumper or a suburban bumper from a 1973-1991 suburban
NO!
No, they are 2 different bodystyles
Yes.
Yes it will fit, They are exactly the same body style