Coffin arm bushings?
When I changed my trailing links a few months back I noticed the bushing were cracked on the coffin arms. I will need to replace the bushings this winter. I've seen elephantracing kits available. Are there any others and what is the general consensus on the re bush. Compounds, kits, streetability, etc., not a track car and would like to keep the suspension quiet.
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I would simply recommend the stock (or similar OEM style) bushings for typical street use. Any harder bushing will likely have a negative trade off (anywhere from minor to major) in NVH (noise, vibration, harshness).
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I thought you had to change the whole arm?
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I've been looking at replacing the bushings on my coffin arms also. Powerflex has bushings with two different 'hardness' - track and street. If you do this I would be interested in what you think.
I'm delaying doing this because I am also considering changing the entire arm from vertex auto. This 'upgraded' arm has a replaceable ball joint. Porsche Boxster Control Arms Upgraded & Rebuilt | Vertex Automotive I recently replaced my rear upper control arms and it made a huge difference and got rid of a lot of noise. I'm doing the front upper control arms tomorrow. |
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Elephant Racing | Rubber Suspension Bushings | Porsche Boxster/Cayman
They list an extraction/installation tool for the central bushing for 75$ so that they can be changed on the car. No burning or cutting, not that I mind burning or cutting. Though I might want to remove the arm for inspection of the inner bushing. I'm going on the assumption that the 14 years of age means they should be replaced, not 60 000 miles. |
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Anyone used these and replaced the ball joint? How long are the standard ball joints good for normally? Considering changing my front wheel bearings this winter, might just change the coffins at the same time. If I don't I'll just change the center bushings with stock equivalent hardness as thstone says. Don't want more noise. |
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