Quote: 231/237 cam in that 408 and 480ish HP ??? sounds more like maybe a 430hp engine
11.2:1 compression, single plane, etc. The 440 with smaller cam and less compression made 485. Heads were about equal but the small block actually has something called a combustion chamber and quench. I'm thinking it's a wash. I could be wrong, but the truck mph'd within about 3 mph between the 408 and the 440. So you tell me, is that 55 hp? 4800 lb truck.
