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Old May 21, 2010 | 11:26 PM
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To start off, car has 122k on it and is a true dd. It has Koni 4/4s, strano springs, watts link, strano sway bars, and LCA relocation brackets.

Should i replace the bushings in my control arms with poly bushings? Advantages? Disadvantages? differences?

Should I just invest in UMI LCAs with the roto-joints? Ride difference? Handling Difference? Noise? Pros and cons?

Appreciate any insights.
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Old May 22, 2010 | 09:03 AM
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poly wont dry rot like rubber.....and is stiffer....some say it sqeaks........i say use more lube.....poly bushings on my lower a arm.....i have spohn LCA with del a lum.....they are quieter than strait sperical......but still a little noisey......i like em
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Old May 22, 2010 | 09:38 AM
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Hello,

Based on your set up it looks like you are going more for handling than anything? If so I would recommend the Roto-Joints on at least one end for you. The Roto-Joints do not bind like poly bushings, they are virtually noise free while still maintaining a comfortable ride. Here is a set too look at I would recommend- Roto-Joint/Poly combination

Please let me know if I can help anymore. Thanks!
Ryan
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Old May 22, 2010 | 12:07 PM
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For a great handling street car the UMI poly/roto-joint is the way to go, if you do some competion the double roto-joint would be a good, but for a DD I'd go poly/roto & would complement that great set up you have
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Old May 23, 2010 | 06:04 PM
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hmm, I think I'll be going with the rotojoint/poly set up. What kind of difference will there be between that and stock?
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Old May 23, 2010 | 07:46 PM
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The poly end will bolt to the unibody and filter noise but has less flex than the stock rubber bushings, the roto-joint end will let the suspension move more freely and less binding under hard cornering than a poly/poly set up + the roto-joint is adj. & are able to rebuild.
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Old May 23, 2010 | 08:44 PM
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+1................
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Old May 25, 2010 | 01:54 PM
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thanks for the help guys
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Old May 25, 2010 | 04:34 PM
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Fo Sho...I be gettin a pair soon myself got the J&M poly ball at the momment and will be making the switch. Strano sways are going on next week.
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