Need 318 Gurus

Orange is earlier setup, blue is later. I think the early setup goes up to 68 or 9 later is 70 -up( aluminum water pump) im sure Im off on my years, I had the cast water pump on my 340,and my pulleys wouldnt work, I had to switch to the aluminum water pump and every thing worked...the joy of putting a car back together from a pile of parts..LOL!