Q50 Rear Diff Brace Installation AND Test | Z1 Motorsports
Channel: Speed Culture Studios
Date: 2022-03-08

Unbelievable!  I was NOT expecting to FEEL this diff brace as much as I did.  You will see in the video clips that some movement in the bushing remains, even after the brace is installed, but the "feel" of the car is completely different.
The installation of this brace is pretty straight forward, but I have to say that with the car on ramps, it was impossible to get all bolt holes to line up and or bolts to thread.  Something seemed way off.  
I then put the car on stands and let the rear wheels hang.  That allowed the differential to shift a little.  The holes still did not line up all that well, but I was able to tweak things enough to get them started in each hole.  Slowly tightening them each a little at a time, I was able to get the brace secured into place and test it on the road.  Again, although there still appears to be visible movement in the bushing, the rigidity this brace adds and the change in the feel of the car is VERY clear!  
Stay tuned for further testing! 
In summary--if you're rear diff bushing is badly warn/failed, you may experience some difficulty in installing this brace as mounting holes may not line up properly.  Try relieving pressure from the diff by using a floor jack or by getting the diff bolts started first.

Brace:  https://www.z1motorsports.com/z1-products/z1-motorsports/z1-q50-q60-rear-differential-brace-p-26559.html

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