i am putting together a 460 engine using procomp aluminum heads and my 1.7 ratio rockers extend too far towards the exhaust past the centerlineof the valve tipWAY too far.I have adjustable push rods and they are adjusted down to where the rocker hits the stud boss. Before I considerjumping off the bridge, can ANYONE help me as to why this is happening to me??/please, anyone.....