Limited Slip Dif? - Mustang Evolution

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Old 09-05-2013, 09:56 AM   #1
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Limited Slip Dif?

I am thinking about upgrading my 12 GT gears to 3.73..Do you think it is worth it to add either the Eaton 8.8in 31 Spline Mustang Limited Slip Differential 19588-1 or the Ford Racing 8.8 in 31 Spline Traction - LOK Mustang Limited Slip Differential w/ Carbon Discs M-4204-F318C

Mostly daily driver, some weekend hole shots and your occasional track day (Road Course)

I read some of the other threads on Limited Slip Dif's but none of them answer my question...They were mostly trolls who didn't no anything
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Old 09-05-2013, 10:18 AM   #2
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You already have an Trak Lok LSD so, all you'd need are the carbon clutches and a shim kit for that upgrade. Eaton's good all round, no question. The factory T-lok, set up really tight, will surprise you. It works well and is almost eternally rebuildable.
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Old 09-05-2013, 10:21 AM   #3
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Quote:
Originally Posted by 5LHO View Post
You already have an Trak Lok LSD so, all you'd need are the carbon clutches and a shim kit for that upgrade. Eaton's good all round, no question. The factory T-lok, set up really tight, will surprise you. It works well and is almost eternally rebuildable.
I did not get the track pack option on my mustang, dose it still have the trak lok? I knew I was going to build it the way I want it anyway, so I did not waste my money on any of the fancy options..
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Old 09-05-2013, 11:42 AM   #4
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Quote:
Originally Posted by BIGHOSS5.0 View Post
I did not get the track pack option on my mustang, dose it still have the trak lok? I knew I was going to build it the way I want it anyway, so I did not waste my money on any of the fancy options..
All 5.0's have Limited Slip. I think the Track Pack is the only one with the Eaton, but I could be wrong!
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Old 09-05-2013, 12:13 PM   #5
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Track Pack has the torsen style rear diff instead of the clutch type.
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Old 09-05-2013, 12:21 PM   #6
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Track Pack has the torsen style rear diff instead of the clutch type.
Oh okay! I just looked up what all the track pack includes, and it said it has the same rear axle assembly as the Boss 302. So I guess to answer the OP's question, he does have Trak Lock.
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Old 09-05-2013, 12:24 PM   #7
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Yes - all of the current Mustang V-8s have some form of limited slip differential - it's either clutch or helical style depending upon which one.

Here's a handy read about how the torsen style is different.

http://www.torsen.com/files/Ford%20M...2%20Torsen.pdf

HTH
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Old 09-05-2013, 12:43 PM   #8
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So basically, I will be fine running stock...???
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Old 09-05-2013, 12:45 PM   #9
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You should be fine just changing out the gears many others on the site have done the same.

Mine came with 3.73s and I love them (except when I'm stuck driving around town and have to fill the tank up more frequently, but it's worth it to me).
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Old 09-05-2013, 08:13 PM   #10
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Yes, you'll be fine running stock. I have numerous times in the past played with shim and restacked the plates in T-loks and had them work as good or better than aftermarket setups.

The factory 3.73 cars got the carbon clutches from the factory on these cars, a little easter egg I found and proved when I opened my own to change the fluid out.
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Old 09-05-2013, 08:22 PM   #11
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Thanks everyone...Very helpful
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Old 09-05-2013, 08:56 PM   #12
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Quote:
Originally Posted by SpaceFish View Post
Yes - all of the current Mustang V-8s have some form of limited slip differential - it's either clutch or helical style depending upon which one.

Here's a handy read about how the torsen style is different.

http://www.torsen.com/files/Ford%20M...2%20Torsen.pdf

HTH
Good read. To bad they can't spell Leguna Seca lol
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