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Standard Hawkeye Sti ‘Bouncy’

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Old Mar 20, 2011 | 10:51 AM
  #31  
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Butty
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From: MY06 STi Spec D
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Originally Posted by New_scooby_04
Just a thought: Are you running the same rate front and rear mate?

Often it's best to run the rears quite a bit softer than the fronts.

Fully adjustable can be good but it's easy to go too far for the road and never be happy with your settings! lol

Ns04
The fronts are on 9 clicks from fully ahrd, the rears are 10 clicks.

Originally Posted by DuncanG
That sounds more like poor bump control to me. Its a problem with non-inverted monotubes. The gas pressure isn't high enough to avoid cavitation in a heavy compression, so the damper cavitates which makes it unable to oppose the compression and then the spring gets overloaded leading to bottoming. On bottoming all the energy is put into the tyre which acts as an air spring then the car rebounds (leaps up) off the compressed and undamped tyre. By that time rebound damping in the shock won't help you.
I have considered that it's leaping after hitting the bump stops, but the poor rebound happens too much and not after heavy compression events.

Still - the BC BRs are cost effective replacements for std struts, but I wish now I'd gone for something with adjustable rebound or try the inverted struts like you mention.
What put me off inverted struts was that I'd eventually get knocking like the std STi inverts do.
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