Dana 50 advice? - JeepForum.com
 
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post #1 of 9 Old 10-10-2018, 02:23 PM Thread Starter
tonnedmanche89
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Dana 50 advice?

i am starting this thread in hopes that someone has done a leaf sprung full width conversion on a mj using a 99 dana 50
my question is what did you do to center the axle? outboard the spring mounts? grind the cast spring perch off? pics would be great, and any advice appreciated. I got a 10.50/d50 combo for free so they are being used one way or another.....

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post #2 of 9 Old 10-10-2018, 04:54 PM
Fourtrail
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Outboard to fit the factory perch's would be best. You are going to have to add steel to that MJ to run tires worthy of a Dana 50/10.5 so might as well outboard while you are beefing up the unibody.

80 CJ-5, 74 CJ-6, 56 CJ-5
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post #3 of 9 Old 10-10-2018, 07:49 PM Thread Starter
tonnedmanche89
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True i will have to plate it, trying to run atleast a 40, trying to find some 42’s
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post #4 of 9 Old 10-11-2018, 08:54 AM Thread Starter
tonnedmanche89
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fourtrail..... how far do you think the brackets will have to stick out? one thing im worried about is having to outboard them so far it looks like a backyard job done by my sister cousin!! I haven't got the front end out of the jeep yet so I haven't got to sit the d50 under there and see what it looks like... working on axle clean up and cleaning up my mj best I can before I start on this.. jeep sat outside for a few months and a few storms so she got a little nasty. once I get done with that I will sit it on some jack stands and begin the mock up
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post #5 of 9 Old 11-04-2018, 01:51 PM
u2slow
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I have a few diffs kicking around, including 99-04 SD, XJ D30's, and others. The spring spacing the SD diffs is wide. Not much room on the driver's side to mount things. That said, places like Artec, WFO, and Ballistic make link brackets and trusses that fit 60's with a short tube on the driver's side. The SD 50 is cast nearly the same externally.

Some guys cut the back the cast to the plug welds for more room.

IMO, you'd be better off with late 70's F250 diffs. They're a few inches narrower and the pumpkin offset is better. Unit bearings and metric bolt patterns don't excite me.

2005 KJ V6/6spd/3.73posi & np242 swap, 3" lift... and some Dodges w/cummins
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post #6 of 9 Old 02-18-2019, 11:37 AM
dwtaylorpdx
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IIRC,, isn't the D50 the one that's hell to get parts for? Back in the day even when they still made them, they were not common enough that anybody really built up aftermarket parts supplies for them. There are WAY more D60's in the wild.
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post #7 of 9 Old 02-18-2019, 03:01 PM
u2slow
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Quote:
Originally Posted by dwtaylorpdx View Post
IIRC,, isn't the D50 the one that's hell to get parts for? Back in the day even when they still made them, they were not common enough that anybody really built up aftermarket parts supplies for them. There are WAY more D60's in the wild.
Regular service parts are easy to come by. Was in use from '80-'05. (from TTB until last Excursion) Considerable overlap with D44 and D60 depending on what you're doing. Maybe slightly less ratios available.

2005 KJ V6/6spd/3.73posi & np242 swap, 3" lift... and some Dodges w/cummins
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post #8 of 9 Old 07-13-2019, 08:16 PM
lovett86
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Did you ever get the axles in and if so do you have any pics

its a rusty one

https://www.jeepforum.com/forum/f22/90-yj-frame-swap-build-up-1434246/
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post #9 of 9 Old 07-19-2019, 03:54 PM
Luke95
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I ran a dana 50. It was good to me, but I would not run 42s. You have larger u joints and a bigger ring and pinion than a 44 but it isnt a sixty. On 37s behind a 318 in a 3900 lb zj with 37 It never broke and was well beaten but with larger tires you will be asking alot. I currently have a 97 xj on 40s witha 10.5/60 in it.

97 XJ on 4Ds.
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