yes
Yes, but it will need to be rebalanced first.
no
It is 3.48 inches, the same as the Chevy 350 crankshaft.
If you are asking if you can substitute a 350 for a 305, the answer is generally yes.
Yes
NO they are to big.
yes
yes it will
engine will fit, but 305 tbi will be too lean for 350 It'll burn up
305 is the same distributor as a 350 will even fit some big block chevy's.
No. The bore size is different between a 305 and 350. The 350 bore size is larger.