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Drivetrain Tech General discussion of drivetrain for the Ford Ranger.

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Old 04-10-2011
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Icon5 Deferential Help!

Ok this question has probably been asked somewhere else but I could not find it. I have a 2004 3.0 Liter 2x4 5 Speed Manual regular cab Ranger. I want to swap the differential to a locker or LSD but I do not know what size axle I have or the best place to get one. Any help you have is much appreciated. Thanks!!
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Old 04-10-2011
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if you cant tell what axle you have, odds are you shouldnt do this type of job yourself...you have a 7.5 most likely but some 2wd trucks got 8.8s

post a pic of the axle cover...your best bet is to get a junkyard axle with a limited slip already in it
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Old 04-14-2011
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I found a site that told me how to tell right after I posted this haha. So I have the 7.5 Axel. You have any recommendations on a new diff? I would like a locker but a Limited would work fine also. I have been looking around at the Detroit lockers. Any Opinion on those? Thanks a lot, Mike.
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Old 04-14-2011
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Don't waste your money. Get a 8.8" axle out of the junkyard and swap that right in. The axle tag will tell you if it has Traction-Lok limited slip differential.

For example

3L73 = 3.73 gears, Locking axle
3 73 = 3.73 gears, open axle
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Old 04-26-2011
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Do you suggest getting the whole axel because it will be cheaper or easier? None of the yards by me have sh*t for rangers or explores.
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Old 04-26-2011
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YEah, get an 8.8 out of an explorer or ranger. Most expos came with limited slip.

But really you're wasting your money...ask yourself, do you really need a l/s or a locker?
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Old 04-26-2011
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Well I don't really need one but I want one for insurance purposes. I pull my fishing boat all over and have almost gotten stuck on the ramps because of my one tire fire of a truck. Would make me feel much safer.
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Old 04-26-2011
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Swapping a whole axle will be much cheaper and easier than rebuilding your existing one.
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