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A 289 bored .030 over.
That would be called a Chevy 307 bored .40 over.
its called nothing because you wouldn't have a ENGINE left if you bored it 4" over
A 262 bored 30 over.
A 427 bored .60 over is 438.8572417 or basically a 439.
332
355
The bore adds about 10 cu. inches to make it a 337
332
Sounds like a 343 to me. But for parts its a 283 bored 60 over
A 350 bored 40 over is a automobile engine which has had its displacement increased to 383 cubic inches. This results in more power without needing to purchase a new engine.
Produce more HP depending on much much they were bored. The engine can generally be bored up to .060 over in most cases.