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Look at the cams in the new hemis, high flow, bigish ports and very tiny duration cams give huge HP numbers. You get the best of everything low RPM power and high RPM power without the stupid long duration cams of the 70s. They do get some decent lift but not at the expense of added duration. An average performance cam duration numbers like a comp 280 magnum [Email]230@.050[/Email] would be downright wicked in a 6.1 hydraulic roller.

Another thing to look at and glean information is the engine masters engines and cams, relatively short duration and very high lift with big flow numbers, that seems to be the biggest most consistant part of the recipe the winners use. The winning engines are making incredible TQ per cube and still making very nice HP up stairs.



I love the new Hemi's... they have some tricks that make the setup work. Even the earliest versions benefited from 5 speed OD transmissions with deep first and some stall in the lock up converter. With EFI they would run smooth at cruising RPM... with gears and stall they would scoot. The newest have variable timing and intake length which makes it a much better engine... not as much stall and gear (shifting) needed to cover the weak low end + more on top.

We don't have that available on the wedges. That said, I don't think a "multipurpose" wedge needs more than 240 or 250 degrees duration even with big ports. Drag race, sure, go for duration and get plenty of stall on the converter... but not multi purpose.