| jeremyfd | -- 05-11-2018 @ 1:14 PM |
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One of the arms of the u-joint flange 4851 on my '51 Custom sheared off. I bought a NOS replacement part, correct part number. But external diameter of shaft on new one is 39.5mm compared to 41.5mm on original, and internal diameter 28.5mm on new piece compared to 31.5mm on original. That's a long way of saying the part that is supposed to be NOS replacement doesn't fit. What am I missing?!
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| sarahcecelia | -- 05-11-2018 @ 6:49 PM |
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I have a good used one I'll sell to you if you want it. Regards, Steve Lee
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| jeremyfd | -- 05-12-2018 @ 12:49 PM |
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Delighted if it fits! can you confirm measurements are as described by me?
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| sarahcecelia | -- 05-13-2018 @ 7:23 PM |
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Yeah, but why are you using millimeters; millimeters weren't used in the USA until the 2000's ? This is an original drive shaft yoke from a 1950 Ford sedan. I have two. One I use for mechanical work and the other?? I'll measure it for you to make you happy, and respond, but it will fit any '49, '50 '51 car and ???What did the new one cost you? I'll give you a "good break" on it when you reply to my thread with the out side diameter. Regards, Steve Lee
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| jeremyfd | -- 05-13-2018 @ 11:15 PM |
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Steve, you're absolutely right about measuring in mm but the problem is the car was having some work done about a 3 hour drive away... and that's where the yoke broke! They sent me the measurements. I make it 1.634" outside diameter on the original. The part I got was from eBay, I paid $35. Thanks again, look forward to getting measurements! regards, Jeremy
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| jeremyfd | -- 05-15-2018 @ 3:21 AM |
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An update, this is the u-joint flange from my '51. It doesn't look stock. Any idea what it is? Measurements: Inside of Pinion Shaft 1 1/4", Outside 1 5/8".
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| sarahcecelia | -- 05-15-2018 @ 11:24 AM |
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That's a stange one! Standard shift yokes look nothing like that! Is your car Fordamatic transmission? Regards, Steve Lee
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| 40cpe | -- 05-15-2018 @ 2:55 PM |
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That rear yoke is typical of those used by Ford from'49 up through at least the mid-50s.
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| sarahcecelia | -- 05-15-2018 @ 5:07 PM |
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I don't know about that yoke being used in 1950 cars. I have two (2) 1950's right now, and when I was 18 I had a '50, and none of them had a rear yoke that looked like that one. One of mine that I have now is an early '50 (4 blade fan) and so was the one I had at 18, the other, my Crestliner, is a later '50 ( 3 blade fan.) I built these last two cars I mentioned.My rear yokes look nothing like that one. Strange?? Regards, Steve Lee
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| sarahcecelia | -- 05-15-2018 @ 5:21 PM |
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The one that I told you I'd sell, is an original 1950 yoke and will fit you trans. out put shaft or pinion shaft. Money back if you decide when you get it you don't want it; you just pay shipping both ways which will probably be $10 or less (Cheapest way priority mail.) Finding one for sale I think would be difficult at best, because whomever has one is going to want to sell the whole driveshaft. I have sources that you can call, but like I said, I seriously don't think they are going to want to "break up" a good driveshaft to sell one of the yokes. Regards, Steve Lee
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| 40cpe | -- 05-15-2018 @ 7:36 PM |
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Well, I respectfully disagree. That differential yoke did come on '50 models. And it doesn't fit the output of the transmission and has nothing to do with the drive shaft, except the rear u-joint connects to it. Here is a link to one, showing it fits '49-'55. http://shoebox-central.com/1949-1950-1951-1952-1953-1954-1955-ford-rear-axle-differential-yoke
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| jeremyfd | -- 05-16-2018 @ 1:38 AM |
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Yes it's the automatic transmission.
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