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Old February 14th, 2008, 08:28 AM   #1
banshee
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Anyone do 99 f350 superduty axles in a yj yet...need help

I am looking to do 99 and newer superduty axles in a yj....Has anyone done these yet, im not worried about getting them in, im mainly concerned about getting the steering to work...Money is tight and the cost of axles is going to soak up most of my funds....Looking for inexpensive steering ideas, so that i can get back on the road and do improvements later on....
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Old February 14th, 2008, 08:39 AM   #2
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Why those axles??? I have an 02 SD and the front axle has unit hub bearings which are expensive. I have had to replace mine a couple times and I don't off road this vehicle. I can't imagine how often it would have to be done if you were playing off road a lot. Just sharing my experience with those axles...
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Old February 14th, 2008, 09:28 AM   #3
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Unless you narrow the front plan on a shit ton of work to even get them in, pass on them, save more money for the better axles (78-79 Ford dana 60)
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Old February 14th, 2008, 09:35 AM   #4
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How much harder could it be than swapping in any other leaf sprung full width axle?
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Old February 15th, 2008, 08:57 PM   #5
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How much harder could it be than swapping in any other leaf sprung full width axle?
The short side is to short. The long side is to long.

Buy mine and bolt it in.
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Old February 18th, 2008, 07:42 AM   #6
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Originally Posted by bearlys2005 View Post
Why those axles??? I have an 02 SD and the front axle has unit hub bearings which are expensive. I have had to replace mine a couple times and I don't off road this vehicle. I can't imagine how often it would have to be done if you were playing off road a lot. Just sharing my experience with those axles...

Why the hate on unit bearings? Yay for serviceable bearings that are a mess and a hassle to deal with on the trail in comparison to unit bearings.

Is the cost that much different?

Unit Bearing $200 with quick google search. Which can be had with a lifetime warranty, perfect for a trail rig.

Wheel bearing kit
Master Kits include 4 bearings with cups, 2 wheel seals, 2 axle shaft flange gaskets, spindle nut socket, seal installer, bearing cup installer, driver handle, and instructions.QK8303F Master WB Kit 69-85 Ford $247.97
$154 with out the installation tools, which you at least have to buy once.

Add to it the mess and hassle of bearings vs just bolting a unit bearing on. I'll personally take the unit bearing everytime.

To each there own, just my opinion.
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Old February 18th, 2008, 08:09 AM   #7
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If I was plowing with a 8k lb truck or had high-offset wheels I would much rather have tapered roller bearings spread further apart on a spindle, but if an axle is being modified to fit under a 4K lb Jeep I would welcome the ability to change an axle shaft while only having to remove the tire, caliper and 3 or 4 nuts for the UB. Cleaner, simpler and still overkill as far as load carrying capacity is concerned.
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Old February 18th, 2008, 08:21 AM   #8
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unless you are doing coilover or air shocks, those axles just won't fit. As mentioned... the short side of the alxle is too short... about 5" shorter than a 78-79 Ford D60 axle
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Old February 18th, 2008, 11:34 AM   #9
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Why the hate on unit bearings? Yay for serviceable bearings that are a mess and a hassle to deal with on the trail in comparison to unit bearings.
going on what you said, you CAN service a conventional wheel bearing on the trail, and in the event you carried a unit bearing it would also have to be machined to a non metric pattern and on-hand at all times.

also, how many people with unit bearings or conventional wheel bearings really break their 35 spline axles anyway?

it's a moot point really, everyone has their opinions and each is valid, none really make more sense than the other.
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Old February 18th, 2008, 11:47 AM   #10
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it would also have to be machined to a non metric pattern and on-hand at all times.
Why? Assuming you bought the front and late model rears are cheap I would assume the owner would just run Ford wheels..... Being hubcentric, I think they are stronger anyways.
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Old February 18th, 2008, 11:55 AM   #11
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going on what you said, you CAN service a conventional wheel bearing on the trail, and in the event you carried a unit bearing it would also have to be machined to a non metric pattern and on-hand at all times.
Yes you can do either, it's personal preference. I'd much rather do exactly like strangler pointed out, change a unit bearing for the ease of changing it.

Why do I have to machine the unit bearing to a different bolt patern?

99% of what I wheel can be bought in a standard parts store, it will always be that way for me, maybe I lose some cool factor, which quite frankly means nothing to me. I want the ability to easily fix my junk and get it running again.
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Old February 18th, 2008, 12:13 PM   #12
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so you guys are going to run metric 8 lug (buy probably new wheels with the metric pattern) and not be able to bum a spare off someone if needed?

no thanks.
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Old February 18th, 2008, 12:18 PM   #13
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new rim from discount if needed. Say less then $100

New Unit Bearing custom machined so I dont need to buy a spare say $300+

When is the last time you did a wheel bearing on the trail? Or had to go through one due to a snapped axle shaft? December 1st @ OTSC for me. And I am glad it was a unit bearing made it quick and easy between the two of us (95 Geo and I)

When is the last time you needed to borrow a spare? I coulda used one in 2002ish, but I was running solo anyway, so it wouldnt have mattered what my bolt pattern was.

Last edited by kickstand; February 18th, 2008 at 12:26 PM.
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Old February 18th, 2008, 12:23 PM   #14
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Superduty rims can be had cheap. There's a huge selection out there too.
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Old February 18th, 2008, 12:31 PM   #15
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Originally Posted by UP_ROKTOY View Post
new rim from discount if needed. Say less then $100

New Unit Bearing custom machined so I dont need to buy a spare say $300+

When is the last time you did a wheel bearing on the trail? Or had to go through one due to a snapped axle shaft? December 1st @ OTSC for me. And I am glad it was a unit bearing made it quick and easy between the two of us (95 Geo and I)

When is the last time you needed to borrow a spare? I coulda used one in 2002ish, but I was running solo anyway, so it wouldnt have mattered what my bolt pattern was.
I swapped out an axle shaft 2 weekends ago in a parking lot. by myself with a couple extra hands from time to time it took about an hour.

like I said, moot point, both sides have valid points.... mostly preference.

I will be running conventional wheel bearings on my stuff because of the servicability and ability to replace only the worn parts without adding $200 to my trip cost the day before.
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Old February 18th, 2008, 12:47 PM   #16
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i will kill you until you agree with me.
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Old February 18th, 2008, 12:52 PM   #17
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Quote:
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unless you are doing coilover or air shocks, those axles just won't fit. As mentioned... the short side of the alxle is too short... about 5" shorter than a 78-79 Ford D60 axle
this guy knows what he's talking about! Rims and hubs aren't the problem.. the offset of the diff is...
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Old February 18th, 2008, 05:51 PM   #18
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I never have been to a parts store and had them actually have a unit bearing in stock for my Jeep, and it's 14 years old, I really doubt they would a 99 Superduty.

I can walk into any parts store and pick up a standard old school style where-ever with no issues, everyone has them on the shelf.

Moot point though I guess, I don't like carrying around $300 spare parts, I am a cheap bastard.



But like Bones said, it's about the offset.
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