Ken said 236/242 @.050 with .564/.570 on a 108 on the small side and for something a little bigger 242/250 @.050 with .600/.600 on 110 lsa. He was a little concerned about cylinder pressure and pump gas with the 108 lsa. I think the bigger cam ground on a 108 would be pretty awesome as long as I could sneak up on the tune and keep it cool.