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Cost to convert 08 F150 rear diff to limited slip

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Old 01-28-2008, 07:26 PM
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Cost to convert 08 F150 rear diff to limited slip

Can anyone who has access to the official Ford service books give me a ballpark on parts to convert an open diff to limited slip? Also, how many shop hours, according to the book?

Thanks,
Greg
 
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Old 01-28-2008, 07:47 PM
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I think its pretty pricey. Around $1k I belive. But thats not from a book its from other posts on here.
 
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Old 01-28-2008, 08:06 PM
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Thanks. Trying to get the book answers, so I'm prepared to talk to the dealer tomorrow. It's a long story....
 
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Old 01-28-2008, 08:27 PM
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Lol its all good, I can tell you though if you do get it you wont regret it. Have you checked into a electric locker or something of that sort. Wouldnt hurt to check on those prices.
 
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Old 01-28-2008, 08:32 PM
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The cost of the stock unit looks like this

478.00 for unit
29.00 for modifier
170.00 for install kit
84.00 for oil
5.25 hours hop time @ 89.00 hour

its 1,206.00 and not worth it. Get a detroit locker for 500.00
 
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Old 01-28-2008, 08:36 PM
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While having the LS is nice I would much rather have a electric locker. If you are goign to pay for one anyways then a locker is the way to go.
 
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Old 01-29-2008, 11:49 AM
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I'd get an eaton posi.....much better quality than a stock unit, and you won't have to worry about turning it on and off....
 
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Old 01-29-2008, 12:26 PM
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390gashog--Thanks! Exactly what I needed.

Others--thanks for the suggestions. All will be considered. I just needed to get the details of the LS swap. Like I said, long story...
 
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Old 01-29-2008, 05:31 PM
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Originally Posted by Husky44
. Like I said, long story...
We've got time........
 
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Old 01-29-2008, 05:47 PM
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1200 yikes i was kind of lookin into this cause i would like limited slip for my truck
 
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Old 01-29-2008, 08:42 PM
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I would think an Eaton (Detroit) Tru Trac would be a reasonable compromise. No discs to wear out (has real gears) and acts just like an open diff until one wheel loses traction then it locks up. While we are on the subject, what type of front diff does ford use in the 2008 Screw?


HYPO
 
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Old 01-29-2008, 08:45 PM
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Originally Posted by HYPO
I would think an Eaton (Detroit) Tru Trac would be a reasonable compromise. No discs to wear out (has real gears) and acts just like an open diff until one wheel loses traction then it locks up. While we are on the subject, what type of front diff does ford use in the 2008 Screw?


HYPO

Ford 8.8'' aluminum case.
 
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Old 01-29-2008, 09:03 PM
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Originally Posted by ford390gashog
Ford 8.8'' aluminum case.
Thanks, but what I am asking is specifically what "differential". Is it a locker of some type, open, or limited slip?

HYPO
 
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Old 01-29-2008, 09:20 PM
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Originally Posted by HYPO
Thanks, but what I am asking is specifically what "differential". Is it a locker of some type, open, or limited slip?

HYPO
Open. Not even an option to have anything else.


To the OP, I highly recommend the Detroit TrueTrac for front and rear applications. I had both in my old '79 F-150 and they were amazing. They are quiet and don't have the clicks and chatters like a mechanical locker does. Of course, a selectable locker is the ultimate, but they are pricey.

The stock limited-slip units suck. You can pit in a Truetrac and it will cost less, last longer, and perform more reliably.

BTW, the Truetrac can perform almost like a locker... if you do get in a serious bind and only one wheel spins, light pressure on the brakes will send power to the other wheel.
 
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Old 01-30-2008, 05:39 AM
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The front is a open diff. Its the only setup that can be used. Any form of locker up front will trash the drivetrain.
 


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