You could mount a dial indicator on the top of each rocker and rotate the engine through one cycle to see how much lift it has.
Check on the carb.
check eBay. or Ive even seen them in super Chevy magazines.
A 305 chevy engine has a bore diameter of 3.736". Check the diameter of your L2256 piston to see if it is that size.
If the Buick 305 is really a Chevy 305, then the motor mounts will interchange with a Chevy 350.
Oldsmobile used Chevy 305's. 76 350 rocket 77 305 Chevy
There is no information on the internet about what the special feature of the Chevy 305 engine is, in fact, the Chevy 305 and 350 are interchangeable, one is just an older model.
305 horsepower
non-return check valve
The headers for a 350 and 305 are the same.
YES they are the same.
yes
Is a 2.8 liter engine a 305?