All else being equal, about 10 more than it had before.
In the mid 300 ish Hp
355
a Chevy 350 bored .060 over would be 360.4 cubic inches
A 262 bored 30 over.
A 427 bored .60 over is 438.8572417 or basically a 439.
4.310
357
a 406 is a 400 bored .30 over
460
333
A Chevy 305 engine bored .040 over would typically be referred to as having a +.040 bore, indicating the increase in bore diameter from the standard size. This modification can increase the engine's displacement and potentially enhance its performance.
332