440” small block, pump gas, street car...

I wouldn't doubt that it's pretty stout down low, that 4.25" crank is going to help. His cam's duration is bigger than mine, 263/271 @.050, 108, .711/.719" and I'm running 11.2-1 compression. My 434 is a monster everywhere.

I'd be willing to bet he could run almost, or maybe 1 more point of compression and be okay on pump gas.