NMAv Posted December 6, 2011 Report Share Posted December 6, 2011 I've spoken to several performance shops in town and have been told I should upgrade my UCA for a BMR. When asked why, I really didn't get a real answer. Can someone please provide me with an explanation of what benefit there is in replacing the UCA on a 2011? Link to comment Share on other sites More sharing options...
OsirisGT500 Posted December 6, 2011 Report Share Posted December 6, 2011 I noticed my axle doesn't roll / wind like it did with the stock piece. Link to comment Share on other sites More sharing options...
The Chairman Posted December 8, 2011 Report Share Posted December 8, 2011 I don't have any wheel hop, and the rear is more planted -- all the time. I changed both the upper and lower control arms to the Shelby pieces. Once you remove that stock UCA and it's mounting bracket, you will be shocked that all the power is being pushed into the chassis via that flimsy sheet metal piece with big rubber bushings. It's a little more work to change the UCA and it's mounting bracket compared to the LCAs. But not that big a deal. I certainly recommend it. Link to comment Share on other sites More sharing options...
Matts Posted December 12, 2011 Report Share Posted December 12, 2011 The purpose of a UCA is for the prevention of having your rear end torqued when under a heavy launch. Also adds rigidity to the car. If I may give you some input on this, if you've already started your suspension work, then go with an adjustable UCA. With this you can fine tune your car to accommodate your ride height. Link to comment Share on other sites More sharing options...
NMAv Posted December 13, 2011 Author Report Share Posted December 13, 2011 Thanks Matts. Link to comment Share on other sites More sharing options...
2010KonaBlueGT Posted December 16, 2011 Report Share Posted December 16, 2011 then go with an adjustable UCA. With this you can fine tune your car to accommodate your ride height. And launch. A UCA is just another tool to fine tune your suspension and get your Instant Center (IC) placed in exactly the right position. The IC is defined as the point where the two axis (LCA & UCA) intersects. You can't do it ALL with just lower control arm locators. HTH, Phill Link to comment Share on other sites More sharing options...
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