A 350 bored .040 is a 357
332
355
A 262 bored 30 over.
A 427 bored .60 over is 438.8572417 or basically a 439.
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.
357
333
A Chevy 396 engine bored 0.060 over is commonly referred to as a 402 cubic inch engine. This designation comes from the fact that boring the engine increases its displacement, as the original 396 cubic inch engine is enlarged by the increased cylinder diameter. This modification can enhance performance by allowing for greater airflow and fuel combustion.
A 289 bored .030 over.
its called nothing because you wouldn't have a ENGINE left if you bored it 4" over
A 350 starts out with a 4.000" bore and a 3.48" crankshaft stroke which really only gives you 349.8 cubic inches. (Chevy rounded it up to 350) Your engine which has the same stroke of 3.48 but now is bored .030" over (making the cylinder bored size now 4.030) total size of 355.1 cubic inches or just a 355.
In the mid 300 ish Hp