NM
The Lunati at 250 is marginally quicker than the Howards at 256
That said they both may be less radical than the Crane or Comp
it's simply the radius of the lifter that gives them their advantage not any magic quick lift rate
The Jones cam uses all of the lifter and is actually shorter seat to seat than the comp or the crane or even the DC 260 but is 50 % larger than the DE 260 at .275 where it counts.
You can see UD Harolds comparison between his chevy and mopar lobes at Lunati- i reposted it in the 318 cam thread
Why fight with one hand tied behind your back
Now Crane is a Crane Design, the comp is an earlier UDHarold Design
The Erson is a rebox from Wolverine Blue Racer or Camshaft machine CMC or...- You can go to the Elgine or Wolverine Blue racer catalog and buy any of those grinds for a whole lot less than an Edelbrock...or a ...
Erson was a marketeer not a camgrinder after he left Isky except for special stuff
the race stuff Catalog stuff and Super shops was same O same O
good read
Recalling Sig Erson: the rise of an unusual mind – Moore Good Ink
Sig's been gone 10 years
I knew him at Isky but niot much after that- you have a cam from the original Sig erson days
CAM MANUFACTURER ERSON PASSES | Competition Plus
It's too bad the new guys lost the 1.75 Mopar rocker dies...