657 HP with a 509 cam? Not by me!

My 505 engine with 12.5 compression and a small street roller cam only made 630 hp with a single 4bbl intake. It made 615 hp with a CH-28. And it was a magazine article for all those magazine haters: http://www.hotrod.com/how-to/engine/1007phr-big-block-mopar-engines/