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66-96 Ford Broncos - Early & Full Size
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Cucamongan

Aftermarket Limited Slip Diff for '04 Ford Expedition

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My Moms 2004 Ford Expedition 2wd 5.4L has an open differential.

The 9.75" IRS (Independant Rear Suspension) is a new differential put in the expeditions and other SUV's with the 5.4L engine (the 4.6L has a solid axle 8.8" diff).

I would preffer to put a PowerTrax in, but they dont make any for this specific diff.

I also found out that Eaton Does make a Limited Slip, but not much more information...

 

Does any one recommend any other brand of limited slips for this differential?

Also, Does anyone recommends a differential shop to purchase an aftermarket differential from (preferably in So Cal)?

OR is this a job that only a certified Diff shop should tackle? (I've rebuilt an axle or 2)

 

Thanks for any response in advance!

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Does your MOM, & other potential drivers understand the risk/dangers of a L.S. diff. .....??

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Since my mother is not the one who usually needs the limited slip, but my dad and I do when we are pulling the boat out of the water and dont want to be another 1 Tire Fryer, Yes. Besides its nice to have a limited slip diff when traveling on dirt roads in northern idaho where my parents own property and visit family.

As a current owner of 2 broncos, both with limited slip differentials, I would say I have a little experience with them.

If you would be so kind to make a list of what dangers/risks there are with limited slip differentials, I would like to learn more about the dangers that im not aware about.

 

Thanks

(if this doesnt make sense, its 12:30 and I had a very long day at work...)

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