[blykins]

A 572 needs a lot of cam, relatively speaking. That's a huge engine.

With that being said, the Cobra Jet head is really behind on technology and they are not big performers.

Last BBF I did used Kaase heads, was "only" 529 cubes and made 740 hp @ 6000, with 700 lb-ft of torque.

This engine is still 35 hp above the 572 GMPP engine though, even with using that pathetic little carburetor.