not if it is an Oldsmobile engine, Buick, Pontiac, and olds had the same bolt pattern in the 70's, different from Chevy
yes yes
no
my money says the 350 olds rocket seeins how there was never a 357 chevy.
NO
yes the 4.3L vortech has the same motor mounts as the 350
If it's for a 305 it's a Chevy and will interchange with a 350. If it's an Olds, it won't.
yes.
If the Buick 305 is really a Chevy 305, then the motor mounts will interchange with a Chevy 350.
NO. And it won't work in the place of the 97 350 vortec.
Nope.
Yes they sure are.