Diff Swap
Member
Joined: Feb 2008
Posts: 173
Likes: 1
From: Las Vegas NV
Car: 92RS
Engine: 305= boat anchor
Transmission: T5
Axle/Gears: 4th gen 3.23
Re: Diff Swap
It will fit the only issue you will have is if it has traction control and you will have to make the E-brake work.
Moderator
Joined: Jul 1999
Posts: 17,265
Likes: 168
From: 51°N 114°W, 3500'
Car: 87 IROC L98
Engine: 588 Alcohol BBC
Transmission: Powerglide
Axle/Gears: Ford 9"/31 spline spool/4.86
Re: Diff Swap
And that the fourth gen diff is about 2" wider on each side so your factory rims will stick out.
There's no strength difference between the 2001 and your 91 diff.
There's no strength difference between the 2001 and your 91 diff.
TGO Supporter
Joined: Oct 2002
Posts: 9,067
Likes: 1
From: Saskatoon, SK, Canada
Car: '83 Z28, '07 Charger SRT8
Engine: 454ci, 6.1 Hemi
Transmission: TH350, A5
Axle/Gears: 2.73 posi, 3.06 posi
Re: Diff Swap
Yep -- for what its worth though, that rear end from that car will have the Zexel/Torsen differential in it, which is a pretty good unit. Its a LSD, but since theres no clutches, it lasts considerably longer and is a bit stronger than the normal LSD in the 7.5".... that part would definitely be worth keeping even if you dont use the whole rear end.
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