typically 350 parts are more common and cheaper than the 400 parts.
The 700 has a lower first gear, and, with the overdrive will give better fuel economy. The 350 is a little stronger, and cheaper.
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.
No. 5.7, is a 350.
Yes,
No it is not.
Yes it will, if the 350 intake is from a pre-1987 engine.