Quote: Thanks for the info BradH. Interesting seat-to-seat numbers for the duration.
It's virtually identical to the Speed Pro CS661, which specs out as adv. duration 292 intake/ 309 exhaust, duration @ .050 of 214 intake and 225 exhaust, Vavle lift of .449 intake and .464 exhaust, Lobe C/L is 115. Erson also has one that's virtually the same w/ the exception of a 1-degree tighter LSA, IIRC.
