Quote:
Originally Posted by switchlanez
As mentioned, 1.5" drop Eibach Sportlines are not a perfect matchup for stock shocks. Eibach Pro-Kit 1" drop is more suitable. Shorter springs mean the shock stays slightly more compressed all the time so shorter = bad. I'd wait for aftermarket shocks suitable for lowering springs because those shocks won't be as tall as stock shocks when uncompressed.
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The advertised lowering of any spring does not automatically mean that's how much shock travel is reduced by. This is all determined by motion ratio. The motion ratio of the FR-S rear suspesion is 0.76. Multiply 0.76 by 1.4" of lowering and you get 1.064. After we determine all of this information we cycle the suspension to make sure the shock has sufficient travel.