What affects power more in a camshaft....high lift or longer duration?

Kern Dog said
The info I've read is that the 280/474 is rated at 238 degrees @ .050.

View attachment 1716501150

The Hughes cam I have:

View attachment 1716501151

hughes cam is a more modern grind, faster ramps.

the old MP stuff is effective but the ramps are slow. which is fine, they don't beat up the valve train.