No, it's a completely different engine.
YES.
bolt them on their the same
yes the 4.3L vortech has the same motor mounts as the 350
NO. And it won't work in the place of the 97 350 vortec.
There is no difference,,,
60 foot pounds
The headers for a 350 and 305 are the same.
No they are not.
If the Buick 305 is really a Chevy 305, then the motor mounts will interchange with a Chevy 350.
no
60~66 PSI
no