YES.
You should check the timing and plugs.
Yep
It has adjustable rockers.
It has adjustable rockers.
Yes these engines can be swapped because they are both fuel injected engines and should be very close if not identical.
.045
Its a 5.7L 350 engine
84 has a vacuum advance 89 has an electronic advance Thats the only diff.
easy, take out the old engine, and put in the 350. it really is that simple.
350 cid
.035