Rather than bothering with ride height, does anyone have spring rate specs of these aftermarket springs?
What I'm wanting to know is-
172cup spring rate
182 cup spring rate
172/182 Eibach Pro kit spring rate
172/182 Eibach Sportline spring rate
172/182 Apex spring rate
172/182 Koni Spring rate
I just need the spring rates, I can work out the ride height drops from that and any geometry changes that may occur.
Incase this wasn't known info, Eibach Pro Kit springs are designed to offer a slight ride height reduction, slight increase in spring rate, and most importantly, work with the OEM dampers.
The Sportline kit increases the ride height drop with a similar spring rate, but should really be used with shortened dampers.
Infact, any ride height drop of more than about 35/40mm should normally be accompanied by shorter dampers.
I use the term damper and not shock absorber because technically, a spring is a shock absorber, dampers are there to dissipate the energy from the shock/spring.