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Old 06-14-2015, 04:00 PM
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SSLance SSLance is offline
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Default So what are my options here, 9" tracloc clutch wear?

This is the third member out of my car, it's a tracloc diff with about 15,000 pretty hard miles on it, lots of autocross and several hard track days on it. Last summer I put new bearings in it chasing a vibration, there was a little bit of pinion bearing wear at the time. It's been good since but the posi has been getting weaker and weaker, I'm able to drive through it on exit on both left and right hand turns lately.

It really took some abuse at the USCA event last week and I noticed considerable backlash or play on the pass side axle to diff. The driver side and drive shaft backlash feel good still. I pulled the third member today and found I can do this using the axle to move the spline on the pass side while the driver side and yoke don't move.



The gears look great, and there was very little foreign substance in the gear oil I drained out of it though a cheesecloth.

I think it's just wore clutches in the tracloc but know almost nothing about how they work. Is it worth just rebuilding the posi or spending the $750-1000 to upgrade to a trutrac?

I was looking at a total upgrade because I feared I'd find plenty of carnage inside, once I got it out and after seeing the gear oil, I'm rethinking that now.

What say you? Can I rebuild this myself? Can I find a reputable shop that can rebuild the posi at a reasonable price or can I replace the posi with a trutrac myself with having to turn to a professional to set it up?

Remember, I'm on a budget here...and somewhat of a timeframe to get it back to the track.

The good news is, the new tapered bearings on the axles seemed to have held up real well.
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