Erson Camshaft ...opinion...or whatever

I had a few. In fact, I have one NOW in the warmed over Ford 400 under my work bench to go in the F250.
Crane Fireball #300A

Should be .447" / .447" Lift with an advertised Duration of 300*

Duration @ .050" = 222* to 232*

Flat on the Bottom, but pulls hard on the Top End.

Good up to 6500 RPM's.

Idle @ 1000 RPM, but has a nice 'chop-sound'.