Do I need anything else for 4.10 gears? - Ford Mustang Forum
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post #1 of 5 (permalink) Old 01-24-2013 Thread Starter
aznprydeyo's Avatar
Joined: Aug 2012
Location: Edmonton
Posts: 38
Do I need anything else for 4.10 gears?

Hey there, I plan on ordering some gears for my mustang. It currently runs 3.55 gears and I plan to switch them out to the 4.10's, will I need anything else for the install? On Am they are offering instal and bearing kit, and two other options. Are these necessary?
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post #2 of 5 (permalink) Old 01-24-2013
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I believe it was 2010 when Ford changed the 8.8 inner rear gear pinion so I believe your good to go.
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post #3 of 5 (permalink) Old 01-24-2013
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Location: Munroe Falls
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On my 08, I just got the bearing and install kit, royal purple gear oil, and the gears. I didn't need the Trac-Loc rebuild kit, but I got it anyway to upgrade from stock and to make it like new again.

2008 Mustang GT, Auto, Steeda CAI, FRPP FR500S/KR Axlebacks, Led Map Light Conversion, 255/50/17 Nitto NT555 Tires, Stock 17" Bullit Rims, Steeda Hood Struts, SCT Tuned by Bama, 4.10 FRPP, Kooks Longtubes With Catted XPipe.
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post #4 of 5 (permalink) Old 01-25-2013
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You don't have to purchase any of the extras with these gears. However, if you've never replaced the bearings in your rear, now's a good time since you'll have most of it apart. I highly suggest looking into the bearing kit!


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post #5 of 5 (permalink) Old 01-25-2013
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If you're over 50k, I'd change the bearings. I did gears at 3x,xxx miles so I didn't worry about it. However, you will need new posi dif oil when you do the job along with some RTV sealant for the dif cover.
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