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Old 02-03-2019, 06:53 PM   #1 (permalink)
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Superduty yoke question

Need some help or advice, depending.
Building a 99-04 pair of axles for my TJ.
Doing my research on yokes before I gear in case I need to change anything.
I tried to find u-bolts for the current yokes, which measurements suggest are 1350 (1-3/16" cap, 3-5/8" wide).
The web is full of u-bolts for 1-3/16" cap, 1.666" center to center of bolt.
However, mine both appear to measure 1-13/16 (1.806) bolt center to center. The replacement strap kit seems to confirm the 1.806" centers measurement.
Searching the webs for 1.806 u-bolts has gotten me nowhere.
Do I need to swap the yoke for 1.666"?
That's a lot of extra expense I'd like to avoid.
What gives?
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Old 02-04-2019, 06:12 AM   #2 (permalink)
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From my experience strap and u-bolt yokes are different. The strap yokes are threaded and the u-bolt yokes aren't. You'll most likely need new yokes.
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Old 02-04-2019, 04:59 PM   #3 (permalink)
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I was afraid somebody would tell me that.
I had always assumed guys were just drilling out the threads to convert strap style to u-bolt style.
So I guess I need to spend the money on some new yokes. Bummer.
Thanks.

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Old 02-04-2019, 05:49 PM   #4 (permalink)
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Originally Posted by Scooby3693 View Post
I was afraid somebody would tell me that.
I had always assumed guys were just drilling out the threads to convert strap style to u-bolt style.
So I guess I need to spend the money on some new yokes. Bummer.
Thanks.
People do drill them, but you'd also need to machine the surfaces where the nuts would go because their not flat.
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Old 02-04-2019, 06:31 PM   #5 (permalink)
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Originally Posted by SanDiegoCJ View Post
People do drill them, but you'd also need to machine the surfaces where the nuts would go because their not flat.

The problem is the wider u-bolts don't seem to be readily available, which is what causes me to think it's not a viable option.
The fab work is certainly not a big deal considering how far down the worm hole I've already gone.
What I worry is that the 1.666" u-bolt may somehow help hold the cap steady. Maybe the 1.806" would only hold the top 15% of the cap (for example), whereas the 1.666" holds 35% (completely random numbers to make the point).
I'm not smart enough about the topic to know.
Thanks for the help.
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Old 02-05-2019, 12:32 AM   #6 (permalink)
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https://www.wfoconcepts.com/pr/1350-...3210/3309/3315
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Old 02-05-2019, 10:03 AM   #7 (permalink)
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NWF used to machine yokes for that . if you have to swap why not go to a full flange and get rid of the straps that way?
e350 d60 had a flange, I am sure others have as well
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Old 02-06-2019, 08:40 AM   #8 (permalink)
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NWF used to machine yokes for that . if you have to swap why not go to a full flange and get rid of the straps that way?
e350 d60 had a flange, I am sure others have as well
That's why I started the original question off as needing info/advice.
If I'm forced to change them anyway, what is the consensus on what's best to swap.
I can get full flanges for the 60 and 10.5. They're not much different cost wise vs 1350 ubolt style yokes.
Are the flanges the better option?

Right now, I'm planning to run my Tom Woods shafts with a 1310/1350 combo u-joint at the axle end. This will save a few bucks and get the Jeep out of the garage. Perhaps upgraded shafts will follow if I can get an Atlas one of these days (D300 flipped, currently).
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