408 vs. 440: Which Would You Choose?

Depends on what you want in the end , a 600hp bb will be a lot more of a street car than a 600 hp sb , so if you are going mega hp street driven car BB is the way I'd go .
To tell the truth I had a bb back in the day , nothing like the feeling of bb power , my sb is quick , but not the same feel as the bb .