so how much is 1.0 of pump advance in terms of adjustable pulley?
I say just loosen the bolts in the pulley and turn the hub clockwise to advance it a bit and give it a try. You're going to have to experiment...
um,ive got my tdi timed to like.98-.100 or so,pretty much like a "stock" td settingmy 12mm pump went right off my old idi,and onto my tdi too