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View Full Version : which flavor of differential???


redfirepearlgt
07-07-2015, 10:38 PM
Thinking about upgrading the diff if I keep the green car much longer. Looking for something that is street friendly but works better than the classical limited slip. Considering the Eaton Torsion diff or the True Trac. Any preference for a mostly street driven car? Thanks.

http://www.brenspeed.com/2011-mustang-drivetrain-differential.html - for reference only.
cstreu1026
07-07-2015, 10:39 PM
I'd like to try a Moser Wavertrac but damn they're pricey.
redfirepearlgt
07-08-2015, 09:32 AM
^^^ Yip a grand is a bit high for what I am doing IMO. That's the price lethal has it posted at.
chad393na
07-08-2015, 01:40 PM
I rebuilt my 31 spline trac-lok with extra clutches. Its went numerous 9 second passes and also a few 1.38-1.40 sixty foots.
redfirepearlgt
07-08-2015, 02:42 PM
hmmmm...your the second to tell me that. Def a way to save some cash. Thanks Chad. I'll pick up a carbon clutch rebuild kit x2 from FRPP and go that route. So add two extra and its good to go. Awesome.
cstreu1026
07-08-2015, 04:51 PM
I currently have the same thing in my car and chad installed it.
redfirepearlgt
07-08-2015, 05:58 PM
Cool thanks for the feedback
2Kblacksleeper
07-08-2015, 06:45 PM
I did the same thing Chad did with mine and put in the Ford Racing carbon clutch packs and I also checked into it and used a S spring out of an F 150 because it was different than what was in the Mustang 8.8. It was stiffer.
Carl
07-08-2015, 06:50 PM
Really? First time I've heard that, are they different P/N's?
4n_eatr
07-09-2015, 12:22 AM
I had an Auburn in a Camaro a few years ago and it held up really well. However I was only pushing 328 rwtq. Now the Detroit locker in my truck has been holding 550 lb-ft but I wouldn't put one in a mustang where you may have to go around a corner in the rain.
I just went with a 31 spline FRPP diff with carbon clutches. Adam recommended them so that's what I bought.
chad393na
07-09-2015, 11:37 AM
hmmmm...your the second to tell me that. Def a way to save some cash. Thanks Chad. I'll pick up a carbon clutch rebuild kit x2 from FRPP and go that route. So add two extra and its good to go. Awesome.

You also remove one of the spacers to allow room for the extra clutch. Instead of 3 clutches and 4 spacers you have 4 clutches and 3 spacers.
chad393na
07-09-2015, 11:39 AM
On each side, I forgot to mention. So total of 8 clutches and 6 spacers.
redfirepearlgt
07-09-2015, 04:15 PM
Thanks. Def going that route.