Hello have a mallory duel point dist mech advan in the 2.8 and the points are out of sinc, it will hardly run with both sets of points if i disconect 1 set and run on 1set seems to run fine.Am to the point of converting to the ford dura spark. One thing comes to mind before i swap out the ign sys. I have a ranger block is the dist drive gear dif than the mutt ll drive gear?? thanks Earl bluoval