1996 Mustang 8.8 rear axle

**rgerdes** · 10-25-09, 10:56 AM

My stepson has a 96 GT. We're looking for a used 3.73 posi to install. Does anyone know for sure what model years will bolt in. Also will the rear ends from any other models (t-birds, exployer, etc.) bolt in without modification? Thanks in advance for any help or suggestions.

RG

**BurnTire** · 10-25-09, 12:57 PM

Are you looking to put in the entire rear end housing or just install Gears?

GTs all have a traction lock (Posi). So if the car is only spinning single wheel it just needs a clutch pack rebuild.

**Mr. Austin** · 10-25-09, 01:06 PM

if your looking for gears with the posi they are always on criagslist. any year 8.8 will work even if its was from 1980.

**BurnTire** · 10-25-09, 01:57 PM

An 8.8 isn't like a 9". You can't just bolt in a set of gears with a posi.
The gears needs to be installed. He already has a posi unit.

**Mr. Austin** · 10-25-09, 02:34 PM

Hmmm ok. i was told wrong then. I thought you could just unbolt an 8.8 and change the gears and posi like a 9". i was told that was the improvement from an 8" to an 8.8"

**BurnTire** · 10-25-09, 03:30 PM

8.8's don't have a 3rd member like a 9".

It would be best for him to get a new set of gears, install kit, and put a new clutch pack in the differential.

**AZSonicSnake** · 10-25-09, 03:33 PM

i happen to have a 28 spline truetrac diff that i would let go for a very good price. its brand new and unused.

**Mr. Austin** · 10-25-09, 07:05 PM

I know you said3.73 gears but i just came across these for a good deal http://phoenix.craigslist.org/nph/pts/1437357267.html

**rgerdes** · 10-26-09, 08:22 AM

Thanks eveyone this helps us a bunch. Sounds like we should just install the gears and rebuild the posi.

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1996 Mustang 8.8 rear axle

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