just curious if there is any differences in a spring/shock setup and a true coilover setup such as a tein.i know the coilovers are adjustable,but is there any ride differences,or pros cons? ive had a kyb adjustable with h&r spring setup before and really liked that.thanks

 

Theoretically, a spring/shock package can be just as good both ride and handling wise as a true coilover. The advantage of the coilover is that each corner is now height adjustable.

A car rides on four wheels like a table has 4 legs. We know that even a slight imperfection in leg length can make a table rock. Now a car has springs and soft tires so an uneven spring shock length will not cause the car to rock like a table but it will put extra weight at the 2 "highest" corners and slightly less weight at the two lowest ones. This is called a cross weight imbalance and it means that the car will turn better in one dircetion than the other.

So, if we want the best possible handling then having coilovers will allow us to adjust all 4 corners to eliminate the cross weight imbalance.

But, in reality, for the street, unless the car has some gross problems from an accident, the cross weights are usually fairly close and the handling imbalance is fairly modest. So the possible improvement from using coilovers and getting the car corner weight balanced is probably fairly small. Also notice that I said you have to get the car corner weighted. Without this step, coilovers offer no real advantage over shock/springs.

 

Short answer:
If you're asking this question, you probably dont need "coilovers" and will be wasting your money and should buy a good set of Eibach Pro-kits or any other quality kit.

and stop saying "true" coilover. theres nothing false contrary.

http://www.norcalcrx.org/tyson/coilover.html