Front Yukon LSD
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Senior User
Joined: Jun 2015
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From: Bend
Front Yukon LSD
So am rebuilding my front end in the next few days, resealing axles as I have a leak on the passenger side. I will be putting in a Yukon LSD while I am in there as I plan on someday making this Excursion a Overlander rig, and plan on using a plow potentially in the winter, and pull a snowmobile trailer in the snow. Anybody have any experience with a LSD in the front end? Considered a E-Locker but opted away from it due to cost, and I don’t believe I can find one for the Dana 50.
Nonetheless, anything else I should do while I have the axles out and torn down?
Thanks
Nonetheless, anything else I should do while I have the axles out and torn down?
Thanks
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Senior User
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From: Bend
Nary a sole huh, but tons of feedback on “ what size tires can I fit w/o rubbing”.....?
I have surmised that not enough people have ever had or driven an Ex with a Torque lock, or Some such LSD in the front to give feedback. Information on the World Wide Web varies with opinions, and as such decided to formulate my own.
Rebuilt my front end axle seals, and replaced my open diff with the aforementioned Yukon traction aid, I will guess I will have to find out for myself. Will be next winter until I see snow or am able to plow or pull sleds, but imagine I will be In 4x4 climbing the dirt road to the lake sooner than later, To Be determined.
while I am here. What the best oil to use........😂
I have surmised that not enough people have ever had or driven an Ex with a Torque lock, or Some such LSD in the front to give feedback. Information on the World Wide Web varies with opinions, and as such decided to formulate my own.
Rebuilt my front end axle seals, and replaced my open diff with the aforementioned Yukon traction aid, I will guess I will have to find out for myself. Will be next winter until I see snow or am able to plow or pull sleds, but imagine I will be In 4x4 climbing the dirt road to the lake sooner than later, To Be determined.
while I am here. What the best oil to use........😂
4wd Low
Joined: Nov 2004
Posts: 13
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I put the Yukon limited slip in my Excursion a couple off years ago, mainly because it was the only option. I prefer Truetracs for a limited slip, but one is not available for the 50, other than the modified 44 units. The Yukon works well, it is more effective than a trac-loc, and obviously way better than open, bu still relatively smooth with no chatter when in 4wd.
Laughing Gas
Joined: Sep 2012
Posts: 880
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From: Northcentral Wisconsin
I run Amsoil in almost everything I own. I have no experience with lockers, except a GM gov-lock. From what I've read, the Tru-trac is best, but is unavailable for the 50. I would like LSD's in mine also, but haven't done research past the Tru-trac.
Fleet Mechanic
Joined: Dec 2014
Posts: 1,715
Likes: 60
From: Central NH
Seems to me I recall someone here posting that the Tru-Trac was available form one of the big 4wd online sellers. It was a unit for the D44 that was machined to fit the D50. Maybe someone else here remembers also and can post a link to the thread ? I have terrible luck with search results here.
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From: Bend
I put the Yukon limited slip in my Excursion a couple off years ago, mainly because it was the only option. I prefer Truetracs for a limited slip, but one is not available for the 50, other than the modified 44 units. The Yukon works well, it is more effective than a trac-loc, and obviously way better than open, bu still relatively smooth with no chatter when in 4wd.
Will be adding air bag bag to the rear, and though it would be nice to have in he front as well to control the added weight of a bumper and possible a plow in the future.
Laughing Gas
Joined: Jan 2020
Posts: 831
Likes: 171
From: Greenville, TX
So am rebuilding my front end in the next few days, resealing axles as I have a leak on the passenger side. I will be putting in a Yukon LSD while I am in there as I plan on someday making this Excursion a Overlander rig, and plan on using a plow potentially in the winter, and pull a snowmobile trailer in the snow. Anybody have any experience with a LSD in the front end? Considered a E-Locker but opted away from it due to cost, and I don’t believe I can find one for the Dana 50.
Nonetheless, anything else I should do while I have the axles out and torn down?
Thanks
Nonetheless, anything else I should do while I have the axles out and torn down?
Thanks
That said, you could go to the Dana 60 from a '02-'04 F250 or F350 (SRW) and open your options up considerably. I'm rebuilding one right now for my Ex. The stronger unit would probably benefit your plowing anyway, and would better handle the stresses of a locker, particularly while overlanding.
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Senior User
Joined: Oct 2002
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A clutch type limited slip acts like a welded diff or full spool in the snow/ice. There isn't enough traction at the wheels to overcome the clutches so they stay locked up. An automatic locker or geared helical limited slip is a better option. A "lunch box" locker is available for the 50. If you don't like it you can take it out...
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Laughing Gas
Joined: Sep 2018
Posts: 1,115
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From: KY
Just be aware that a locked steering axle wants to crab and resists turning. This can cause unpredictable behavior in snow and ice. In my experience offroading I much preferred the predictable behavior of selectable lockers. Especially in the front. Since you are going to be carrying the weight of the plow I agree with the recommendation to build a 60. Plowing is once of the roughest things you can do to the front end of a vehicle.
Tuned
Joined: Feb 2007
Posts: 331
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Just be aware that a locked steering axle wants to crab and resists turning. This can cause unpredictable behavior in snow and ice. In my experience offroading I much preferred the predictable behavior of selectable lockers. Especially in the front. Since you are going to be carrying the weight of the plow I agree with the recommendation to build a 60. Plowing is once of the roughest things you can do to the front end of a vehicle.
Fleet Mechanic
Joined: Dec 2014
Posts: 1,715
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From: Central NH
Logistics Pro
Joined: May 2017
Posts: 3,523
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From: Southern OH
You could but it will pull you to the left or right depending on which hub you have unlocked since only one front wheel is getting torque.
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