Originally Posted by AndyF
Those numbers are the two barrel ratings. It isn't the same as a 4 bbl rating. It was a marketing gimmick to fool people into thinking they had 1350 cfm when they actually had a lot less.


not buying your comment on hp related cfm requirements. The size of the engine/rpm has a lot to do with it.

Your better off looking at venturi area as a better comparison.

And even if I cant add, I can see there is more holes of similar size than a 750.