first gen 2.5->4.3 swap

What all is needed for the swap? So far I know motor mounts, radiator, tranny of course, wiring, computer, all that shit, but when doing the motor mounts...what do we do? Do we use the small block chevy conversion mounts? Buddy of mine has a full truck the he wrecked, and an old 91 he is attached to, so he wants to get it back running, and a little more powerful.

Any help is appreciated. More so about the motor mounts/things lining up drivetrain wise.

if this is an s10 the mounts should just bolt up the the frame , or if not, then measure the frame they are coming out of and weld them in the frame you are putting them into in the same place and the motor should bolt in because the frame isnt any different on either truck just different motor and tranny