Valvetrain Geometry

Jesel still uses it something close to the 2/3 method. Billy Godbold's book is from 2023, correct? I'm not saying they are correct, but I am saying they are not antiquated ideas. Jim Miller's book on mid-lift was published in 2003.
Yea and i’m not disagreeing with you (or rocket scientist Billy Godbold) as clearly y’all are more intelligent than me. I’m just noting the reasons givin by Mike for what he does. I think it’s definitely a good reason to have a conversation.