99 Mustang 3.8 have posi

SR-70What?

Registered User
Does the 3.8 mustang have a posi-traction rear end my friend is looking to purchase even though I tried to persuede him that T-birds are the way to go. whatever floats his boat
 
no they do not have traction lok differentials, that have traction control thats about it. What I have done with my mustang (V6 witha supercoupe motor) and also done for many other V6 mustangs is to swap out the stock 7.5 V6 rear end for a 87-88 thunderbird Turbo-coupe rear end, they came factory with 8.8 rear end and traction-lok (posi) and either 355 or 373 gears factory. All you really have to do is swap the axles since the TC's have 4 bolt axles and the mustangs have 5 bolt. If you have ABS brakes its a lot more work but still possible, I have done 2 rear end swaps with ABS and about 3-4 without so far.
 
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