yes with a proper conversion kit
yes
1980 35 Chevy motor has 235 horsepower (175 kW) and 285 lb·ft (387 N·m). More info at http://en.wikipedia.org/wiki/Chevrolet_Small-Block_engine
NO IT WILL NOT. Must use V-8 frame mounts and motor mounts.
Not that I know of, however, I think they do for the pick ups.
The a/c plug # is R44T or R44TS plug gap is .045
yes the 4.3L vortech has the same motor mounts as the 350
If the Buick 305 is really a Chevy 305, then the motor mounts will interchange with a Chevy 350.
yes.
No, they will not.
No difference in the engine. It is all in the trans and the rearend
No turbo 350's in 1992.
NO. And it won't work in the place of the 97 350 vortec.