Comp XE256H-10

Tighter LSA increases cylinder pressure and increases change of detonation.

I know it seems backwards but that's how it works.


I can tell you I wouldn't go near this Oregon cam in a million years after reading what they told you.

Straight from com cams. http://www.compcams.com/Pages/413/cam-timing-lobe-separation-angle.aspx

And I've also discussed this with jim laroy as well. Email from Jim.. "The wider lobe separation angle closes the intake valve later and reduces cylinder pressure, so that is where it's detonation resistance comes from. Really wide lobe separation angles are used in boosted applications. Many later model engines use wide lobe separation angles to reduce overlap for idle quality and fuel economy. "