A 383 Chevy is a 350 block with a 400 crank bored .030 over. If it's not bored oversize it's a 377 (Not the only way to make a 377). If it's .060 over, it's a 388.
Most builders agree that you cannot safely bore a 350 block .090 over, but if you did the resulting engine would be about 394.
455 bored 30 over is now 461ci
406 cubic inches .
302
402
317
No
359.3 cubic inches
287.4 CI
400 in^3
There are approximately 460 cubic inches in a 289 that is bored 0.40 over. This can also depend greatly on what kind of weight the car is holding onto.
408
336.6