No, El Caminos had unique door designs
Doors from a 1978-87 El Camino or GMC Caballero
No they can not as the fenders and doors are shaped different.
Yes
Yes
An equivalent GMC Caballero
sure, it will bolt right in.
From what I understand:1980 & 1981 complete grill with the headlamp bezels will interchange
Anything can fit where you want it too man.. just get a metal cutter and a welder and a drill and you would find a way...
They are both on the same A-body platform so it should work
Yes
pretty much any 454 exhaust manifold will fit
1981-1988