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Old 04-16-2013, 01:03 PM   #1
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Hey guys, i'm 16 & i currently have a 2000 mustang 3.8 with a factory rear end. It has 130k miles one it and i changed the carrier bearings. Im looking for a little more traction and was wondering if someone can explain differentials to me. A buddy has a used t-lock differential for sale off of a 2004 GT 8.8 rear end. Would i be able to swap it directly with my stock rear end? Is the spindle the same? Would i have to upgrade it? Thanks, i appreciate it!
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Old 04-16-2013, 02:45 PM   #2
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The 8.8 Tlok wont fit your 7.5 axle. You would need to swap the entire axle over to yours.
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Old 04-16-2013, 03:50 PM   #3
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fast pretty much hit the nail on the head
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Old 04-16-2013, 05:13 PM   #4
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You could just get a t - lock for a 7.5 rear end.
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Old 04-16-2013, 06:32 PM   #5
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Quote:
Originally Posted by Redstang19 View Post
You could just get a t - lock for a 7.5 rear end.
Would you think it would be worth it? I might look for a 8.8 rear end then
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Old 04-16-2013, 06:38 PM   #6
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CHeaper just get an 8.8 with a Tlok already in it IMO.
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Old 04-16-2013, 08:02 PM   #7
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An 8.8 is heavier and unless you are pushing over 300 ft of tq you don't need it. The 7.5 is lighter, I have a t - lock in mine with 3:73 gears and it's way better than what it comes stock with a open diff and 3:27 gears.
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Old 04-16-2013, 08:15 PM   #8
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Originally Posted by Redstang19 View Post
An 8.8 is heavier and unless you are pushing over 300 ft of tq you don't need it. The 7.5 is lighter, I have a t - lock in mine with 3:73 gears and it's way better than what it comes stock with a open diff and 3:27 gears.
eh it's not much heavier...believe it or not when me and a friend went to the track..both '04 autos...both stock except for he had a GT 8.8 rear so same 3.27's as our 7.5..he ran 3-4 tenths of a section faster on average the whole night. besides having the peace of mind in an 8.8 build is nice..i've seen stock v6's snap 7.5s
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Old 04-17-2013, 05:50 PM   #9
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If your always doing hard launches and using sticky tires then yeah it will snap.
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