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When I bought my ZX it came with a uninstalled poly kit. At some point I decided to put the tension rod bushings in and then snapped one of them a little after.

The rod could have been failing or maybe I over tighten them. Not sure, but not a fun thing to have break on you. Makes braking very interesting!


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I had one break with the hard PU on the back and realized that the bushing on the back restricts the motion of the tip of the rod as the rod itself moves up and down with the control arm.  This puts a big load on the stress riser at the bottom of the threads and causes the metal to fatigue and break.

The rubber bushing is actually formed so that it allows a wide range of motion, up and down and sideways, of the rod but still controls fore and aft motion.

  • Like 1

A little late maybe but you all do know those nuts on the T/C rod's cup ends are one use. I found that out the hard way. They may not come loose the 2nd time around but mine did. Luckily it happened backing up my driveway so I got lucky I guess?

  • 1 year later...
  • 3 months later...
18 minutes ago, Linda Todd said:

I need 4 of these. Available?

 

I used 4 inner fender well cup washers from a 1967 Chevelle for my sons 280z 2+2. They are widely available all over the internet. You will need to make the center hole larger.

https://www.classicindustries.com/product/f14111.html

 

 

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