Yeah Brian, technically the axle bushings should be rubber but I ran the WRC to see how it would affect the overall handling and was suprised to see theywork quite well. Keep in mind I run 175 lbs springs and have a rear suspension travel limted to ~3". With more travel the inability of the links to "grow" may or may not present a problem, also less spring rate may have revealed a problem as well-I don't know for sure.
The only upper links I recommend using are the Edlebrock arms or Currie Enterprises (unless somebody else has finished devlpment of some form of copycat arm).
There are a ton of guys building spherical LCA's, they are real easy to make-2 left rod ends, 2 right rod ends, 4 jam nuts (2 left/2 right), and 2 peices of threaded tubing. ~110.00 for all the materials. Check out Sppedway Motors or Capital Motorsports.
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Dennis
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Brian Hobaugh SCCA National Tour June 2014
First Hemi 'Cuda Convertible Ever Built
Short clips: Goodguys Pleasanton autocross and pit videos
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