Yes
yes
Look at your timing scale the 305 times from behind the water pump & the 350 times in front of the water pump.
yes, a 305 and 350 utilize the same block
the pistons are the same diameter. no they are not the same diameter, the bore on a 305 is smaller than a 350
Yes it is, as long as the 350 pump is not a late model pump.
NO the first has 305 cubic inches and the other has 350 cubic inches
no on a 350 it is on the driver side and on a 305 it is on the passenger side
The headers for a 350 and 305 are the same.
no
No they are not.
If the Buick 305 is really a Chevy 305, then the motor mounts will interchange with a Chevy 350.
305 is the same distributor as a 350 will even fit some big block chevy's.