Originally posted by DebianDog
Well they are sticking with one camshaft and less valves because they "typically" provide more torque and are lighter than a large DOHC setup. This of course, at the cost HP and revs. This is why alot of import guys like to go from a roll and why domestics usually do better from a dig. It has been aruged to death on this forum if you are interested.
400 HP and 450 HP from the factory should be enough though.
yep push rods don't get the revs that over head would get