No. The bore size is different between a 305 and 350. The 350 bore size is larger.
4"
4"
4"
The Bore of a 350 cid engine is 4.00, the stroke is 3.48 inch..
4.00 bore 3.48 stroke
no.
Subtract 305 from 350 and that will give you the difference (or interval) between the two numbers:- the answer is 45. However, if you mean what is the difference between a Chevy 305 and a Chevy 350, then it is the difference between the engine bore (the cylinder) sizes. The 305 bore is 3.740 inches. And the 350 bore is 4.000 inches, giving the Chevy 350 20HP more then the Chevy 305.
Chevy 350 engines are bored to a 4 inch bore.
Primarily the bore size. The 305 has a bore of 3.74 and the 350 is a 4.0 bore. They share the same stroke on the crank. And no, you can't bore a 305 to a 4.0 bore.
The bore and stroke is different, But if you set the 2 side by side they will look the same other then some 400 engines have an extra freeze out plug in the side of the block that the 350 don't have. 350 bore and stroke is 4.000 bore,stroke is 3.480 400 bore is 4.125 and stroke is 3.750
4.000 inches -- same bore size as a Chevy 350, the difference is a 327 uses a 3.250 stroke and the 350 uses a 3.480 stroke.