doordie
i'm running 162* to 192* with kips. takes alot of time to do. i have about 15 hours in invested, but the next one i do i can do in about 7 hours. stewart cut .020 off base.
great pull from 4500 to the moon. i think stock 168* to 182* exhaust timing.
BDI
he has seen my exhaust port set up. i'm working on some other great cylinder set ups. these engines when design made for 3500-6000 rpm range.