Originally Posted by THE TECH
Most coilovers are going to come with stiffer springs though so they already start on a bad foot.
Stiffer springs doesn't automatically mean harsher ride provided that the matching dampers are valved to compliment the spring rate. On another car I had I went from one coilover to another. The first used 420lb progressive springs and the second used 600lb/850lb linear springs. The ride on the second set was much better than the first. It's all about how the system as a whole works, not just the springs.