All aluminum on the Windsor engines. Supposedly, they moved the oil dip stick in 1974 but my 79 F150 oil dip stick is still in the timing cover. I believe it has a 74 block. It may not be the original engine too.
That is going to make it a bit difficult for me since I need a new timing cover and a new water pump. Not sure what to order. I may have to take my water pump off and go to the parts store with it to get a match.