Sort out initial first. probably land in the 14-18 range, then total wherever it doesn't detonate. 34 is a good start.
That is what I use on my street and strip BB motors on pump gas Idling from 12 to 18 BTDC and all in (34 to 36 BTDC depending on the altitude by 2400 RPM
Last edited by Cab_Burge; 11/21/2201:47 PM.
Mr.Cab Racing and winning with Mopars since 1964. (Old F--t, Huh)