Limited slip
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Senior User
Joined: Jan 2001
Posts: 223
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From: Coquitlam, BC Canada
Limited slip
I have a 2001 PSD 7.3L 2wd, I was wondering how hard it is to convert a rear end that is not limited slip to one that is?, Can I just get one from a wreaker and put it in. Or is there just a kit of some sort?.
I find the traction is terrible in this thing, I dont know if it is because of all the wieght in the front of what. Even in the rain the tires spin freely.
Thanks for any help here.
Joey
I find the traction is terrible in this thing, I dont know if it is because of all the wieght in the front of what. Even in the rain the tires spin freely.
Thanks for any help here.
Joey
Tuned
Joined: May 2003
Posts: 303
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From: Kentucky
Its almost that simple. If you do this you will have to check the patern on the ring gear again to make sure it is good. I have done this an there is about a 50 50 shot as to it matching up. If it is off it will only take some minor adjustments. But that also is where the skill comes in. It takes some practice to set up ring gears.
Elder User
Joined: Jan 2000
Posts: 661
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From: Villa Ridge, MO
We got a 350 DRW here at the shop that will only do a Peg leg burn out.....we scored a LS off eBay for about $150 for a Dually D-80. Now we just have to set it up....and smoke all 4 of them! haha....as soon as we figure out this mysterious hole in the piston....
Dan
Dan
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Joined: Jan 2004
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From: colorado
Originally Posted by fordblue_ca
thanks I will have to look into it I guess, why dont they put limited slip in all trucks?
Elder User
Joined: Jan 2000
Posts: 661
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From: Villa Ridge, MO
http://cgi.ebay.com/ebaymotors/ws/eB...category=33731
It says locking...but its a FOMOCO part.....Ford Never had a locking rear end from the factory.
Bidders up!
BTW----this is for a Dually.....you didnt say if it was a 250 or 350.
It says locking...but its a FOMOCO part.....Ford Never had a locking rear end from the factory.
Bidders up!
BTW----this is for a Dually.....you didnt say if it was a 250 or 350.
Last edited by mudinford; Jun 1, 2004 at 02:43 PM.
FTE Leadership Emeritus
Joined: May 2001
Posts: 13,653
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From: Cabot, Arkansas
Originally Posted by wlihntr
good question- it is up to the dealer to order what he will think he will sell, for instance here in colorado, you pretty much cant find one on the lot without an LS rearend.i would sugest that if you are going to go to the trouble of taking your old one out and put another one in, you might look into an aftermarket locker, the factory LS is not a very good unit, you could spend a couple hundred more and get something that really works
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Joined: Jan 2001
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From: Coquitlam, BC Canada
Originally Posted by cookie88
Next time you change your rear end lube, don't add any friction modifier. My factory L/S is so tight it chatters going around corners like a locker......gives similar traction too.
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New User
Joined: Jul 2003
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From: Chuckatuck, Va
Just asked this question of my trusted mechanic (who also runs a 7.3 PS tow truck). He told me that it was better to live with it as the only way he would suggest doing it would be to remove and replace the axle. He then smiled and rubbed his fingers together . . . I got the point. However, if there are other suggestions, I too would certainly like to hear them.
Elder User
Joined: Jan 2000
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From: Villa Ridge, MO
Yeah...should be a simple R&R. Just have to check the preload and maybe do some shimming...but that is it.....should bolt up if its a FOMOCO unit....out of another axle......At least for the D-80...which i got a unit that might be up for sale....haha...i think we got a dead hole in the PSD......going to sit for a while!
Dan
Dan
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Joined: Jun 2002
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From: Peoples Republik of Kalif
I found out it's simple to replace the stock diff with a LSD. If you are careful the process is easy. By using the same ring gear and keeping the side shims on the same side. Mine dropped in no sweat. Good Luck , Mike