Posted by Vaughn on Sunday, February 11, 2007 at 11:20:02 :
In Reply to: Re: TIMING SETTING FOR '77 M880 posted by Rorry on Sunday, February 11, 2007 at 11:13:15 :
I time buy the grade of gas I use. When you stomp the throttle at 25mph and get a little ping, it’s just right.