What You should be doing is looking at the TDC mark on the damper vs the TDC mark(or -0-) on the cover since You've got the damper on. You stated a 60deg spread, so if
the damper is good, it should stop 30deg BTDC & ATDC, it's that simple. If not the damper & cover are mis-matched(from diff. apps) or the damper has slipped. A degree
wheel is the only good way to check the intake centerline,.......................there is a not so in the distant past thread that RRR linked to a Comp kit, watch their vid.
