Eibach springs are not designed for the stock shocks.
If you understand the actual function and action/reaction of a spring in an automotive suspension application, you would know that a higher rate spring demands more damping to control the suspension movement.
Due to different uses and constantly changing road conditions, there is no ideal situation when it comes to springs and shocks, unless you are in a controlled race-only environment.
Stock shocks are definitely not a good match for aftermarket springs, but they are acceptable if it is not within your budget to change them. Do note that they will wear out faster due to the increase spring rate, as the springs jounce and rebound considerably faster than the softly sprung stock springs. This accelerated movement in the shock assembly itself is what causes the shocks to wear out, mainly due to increased operating temperatures of the internal fluids.
Worn out shocks usually call for replacement anyways once you can't stand driving the car anymore, at which point most people are able to scrape up the cash from here or there to change them.
Todd M.
TM Engineering
http://www.tmengineering.net
no stupid questions
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