I noticed that American Muscle has stopped selling the 8.8 28 Spline Ford Racing Traction Lock Differential. I am planning on upgrading my 2000 Mustang GT Automatic to a Traction Lock and 3:73 Gears. Is there any reason to incur the additional expense and upgrade to 31 Spline Unit. The car is a Daily Driver, not raced, has 120K Miles.
FORD RACING M-4204-F288
- Thread starter DAZ
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trinity_gt
10 Year Member
Your GT should already have the 8.8 Traction Lok differential in it.
If you're getting one-wheel peels you can rebuild the clutch pack with a kit like this:
http://www.latemodelrestoration.com...rd-Racing-88-rear-end-Traction-Lok-Clutch-Kit
If you're getting one-wheel peels you can rebuild the clutch pack with a kit like this:
http://www.latemodelrestoration.com...rd-Racing-88-rear-end-Traction-Lok-Clutch-Kit
The Mach Life
Member
As trinity stated you already have a trac lock. I had similar if not higher miles on my 00' GT when I made the change to 4.10's and retained the original diff unit. Still worked great till I traded it in at 150k.
No launch and no race the 28 spline should do you just fine
No launch and no race the 28 spline should do you just fine
With an auto and less than 450rwhp, I would stick with 28 spline. If you were making 300+ and drag racing with a stick, it'd be a good idea. Drag radials and manual transmissions shock load the drivetrain pretty hard and the axles are the weak point. Plus, you may be required to get rid of those c-clips in some classes.
No plans on racing. Took supercharger off a couple years ago. Thought it was an open differential since only the wheel I was moving would turn. Good to know it already has traction lock. Bad not to have experience to do it myself.
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