replace old grease fittings

The "new style" fittings are called Zerks, the old style is not Zerks they are just "grease fittings". The "Press in" Zerks that look like the have threads but don't, are threaded Zerks that have had most of the threads ground off. This last item is just my opinion' I prefer the the Zerk fittings because they have a check valve in them. Any joint which is under pressure (which is a lot of them) such as tie rod ends, drag link ends, etc. etc. will push the grease right back out. There is a reason that Zerks were invented not just because somebody named Zerk decided to answer a question that nobody had asked. The Zerk fittings also are a lot easier to fill because the grease gun has something to grab hold of. In addition to all that, I have added Zerks in several places that Henry should have installed but didn't (just my opinion) such as the pedal bushings. It is not hard to drill and tap a 1/4-28 hole.
 
Very helpful, Model A Army and I are going to have some fun figuring out which goes where. I think the fact that the press in fittings have round bases and the screw in don't should help. I am waiting for my delivery from Snyders.
 
in the book "Model A Ford Mechanics Handbook" by Les Andrews on pages 3-2 and 3-3 are the location description, quantity, grease fitting types 1-5 (a diagram of each fitting type is at the bottom of page 3-2; there are 5 types; 3 are threaded and 2 are pressed-in types), and location letter A-X; on pages 3-4 and 3-5 are diagrams of the locations A-X; on page 3-6 is a diagram of lubrication locations for the entire chassis and recommended frequencies
 
in the book "Model A Ford Mechanics Handbook" by Les Andrews on pages 3-2 and 3-3 are the location description, quantity, grease fitting types 1-5 (a diagram of each fitting type is at the bottom of page 3-2; there are 5 types; 3 are threaded and 2 are pressed-in types), and location letter A-X; on pages 3-4 and 3-5 are diagrams of the locations A-X; on page 3-6 is a diagram of lubrication locations for the entire chassis and recommended frequencies
 
I use stock fittings everywhere except the u joint and shock links for those I use modern fittings because the shock links move too much and the u joint takes too much.
The the grease gun in the picture is perfect for the original fittings and only takes one hand makes a grease job very quick.
 

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