Thanks Ted, do the 56-62 water pumps have the same shaft hub off set as the 63 and 64?

Darrell Howard Whitefish, MT Outlaw 56 Ford F-100's

The water pumps for the 1956 thru 1962 Y pickup engines use a 5/8” diameter shaft.  For the 1963 & 1964 pickup 292 engines, the shaft size went to ¾”.

Lorena, Texas (South of Waco)

No, its either NAPA or Orilley. There is a seasoned Y block guy at NAPA but he was off today and wont be back until Tuesday. Meanwhile I will stop by Orilley and see if they might have one in stock. The 62 Ford F-100 listing a stock 5/8" shaft really has me curious.

Darrell Howard Whitefish, MT Outlaw 56 Ford F-100's

That is such an antiquated policy with Napa.  I don't usually bother going there for any of my truck parts just for that reason.  Did you try any other stores?



Lawrenceville, GA

John, The spacer goes between the inside of the pulley and the mounting hub on the water pump shaft. Then the Fan spacer goes on, centers the fan, and bolts thru the fan blade, fan spacer pulley, pulley spacer and threads into the shaft hub. At least that what Im seeing. Otherwise, the pulley spacer would not move the pulley out to line up with the grooves on the dampner. Does that make sense or am I having an optical dilusion?



Darrell Howard Whitefish, MT Outlaw 56 Ford F-100's

Well I reported to NAPA with a spare waterpump which matches the one on my 272. The guy opened the exchange asking of a Y block was a Chevy Engine. I  asked him to start looking up 56-64 Ford Trucks with a 272 or 292. Nothing listed for a 292. I told him to try a 62 and bingo, he comes up not only with a water pump, but a water pump with a 5/8" shaft. I asked him if he was looking at a car. He responded no, a 1962 F-100 with a 272. I asked him if it was in stock. Nope, nearest one in Sacremento. Im in Montana. I asked him if it would be a big deal to order one to get it on the counter so I could compare it and take some measurements, (thinking it might be a perfect match with a 5/8" shaft). All the time this is going down, Im thinking......nothing available for a 64 but there is for a 62?

He responded to my question.....you would have to pay shipping. Ugh.

So, Im going to wait until I get my double pulley for the water pump and see how that lines up with the balancer. I thought the alternator double pulley and dampner double pulley lined up perfect. Then I remembered a previous post that hinted its pretty easy to think you have it square, but it could still be off. I put a carpenter square level on the surface of the dampner and sure enough, the alternator pulley is in 1/8"-3/16" too far in. It looks like I can shim it out behind the pulley far enough to make it square with the dampner. I want to use the dampner as the home base for everything else.

Once I get my double pulley for the water pump, Ill do some measuring and see if it looks like a little shimming behind the water pump pulley will bring it out to square. If it looks like it will work with a little shimming, then I will be back to enlarging the hole on the pulley and spacers from 5/8" to 3/4". My machine shop has a minimum of one hour and shop time is $60 per hour just for being in the shop.

Darrell Howard Whitefish, MT Outlaw 56 Ford F-100's

Oops!  I didn't realize that the billet pulley and spacers were for a water pump.I was thinking power steering pump or a blower motor... DUH!A 3/4 inch drill bit or Chuck's suggestion of a uni-bit (?) will certainly do the job appropriately.  Not a situation where even Charlie Brown would use a boring bar or reamer.

NoShortcuts
a.k.a. Charlie Brown
near Syracuse, New York

I have a spare truck water pump. I will take with me to NAPA in the morning and compare to a car pump. I will let you know what I find out.

Darrell Howard Whitefish, MT Outlaw 56 Ford F-100's

Other than the shaft diameter, they pulley is a different depth.  The car pulley is shallower if I remember right.  That really would be the easiest way to go but if you already have the stuff for the truck pump, then it makes sense to stick to the plan.At a glance, the light duty truck and standard car pumps will look the same so if you find a car pump and it looks like yours, it and a matching pulley will be a direct replacement..



Lawrenceville, GA

Moon Shadow, I hear what your saying. Four bolts should hold the pulley if the hole for the shaft in the pulley is just a bit large. Makes perfectly good sense. Im always anal because no matter how hard I try, something is going to need to be done over. If I try to get it perfect, it cuts down my failures.

Darrell Howard Whitefish, MT Outlaw 56 Ford F-100's