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Old 05-19-2011, 03:19 PM   #19 (permalink)
ChrisSlicks
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Originally Posted by RedBullRR View Post
Sorry to bring this thread from the dead.... But I have BC Coilovers and I experience this Clunk as well. I do not have after market sways.

It sounds as if the spring is popping in and out in the rear. However I have my Coils with the 230MM Spring and I'm lowered about 1.25. It seems to go away once suspension or car warms up. I Have no clue what it is, but any ideas/input would be great.
That's exactly what it is. You need a little bit of pre-load on the spring when the suspension is fully extended. Jack the back of the car up but let the rear suspension hang, shake the spring and check that it is not loose. If it is then you either need to shrink the shock body to match the spring or extend the spring a little using the adjuster.
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