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!
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
If your always doing hard launches and using sticky tires then yeah it will snap.
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