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Swapping LSD to open dif- any issues with a 4WD?


mustang9_92002

New Member
Joined
Dec 2, 2023
Messages
2
City
Indiana
Vehicle Year
1998
Transmission
Automatic
I have a 1998 Ranger XLT 4.0 4WD with an 8.8 3.73 LSD. Due to a minor accident I have to replace the entire rear end assembly. I found a cheap junkyard 8.8 3.73 rear end from a 1999 ranger 4.0 FWD but it is an open differential. Would using this cause any problems other than the obvious loss of performance of a LSD? Would it cause any issues with the 4WD? My mindset is that as long as its the same gearbox and ratio it shouldnt be a problem but I thought id throw it out there to minds greater than mine.
 
No issue. You'll just notice a lot less traction.
 
But isn't it true he can put a locker if he wants? With LSD you'd have to switch it to open to put in a locker, true?
 
Correct, as long as the gear ratio matches front axle and rear axle the 4WD system will work fine. Open, LSD, or solid locking devise in the carrier doesn't matter. You can add a LSD / solid locker later if you wish.
 
But isn't it true he can put a locker if he wants? With LSD you'd have to switch it to open to put in a locker, true?
Yes a lunchbox locker goes in an open carrier, if it's a full case locker it doesn't matter since you are replacing the carrier anyway.
 

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