Originally Posted by Arnie
Jeff, did Prodrive switch to a progressive wind with the 05 STi springs? till now the WRX springs were always linear. STi has always been progressive (in the rear). Not quite sure what you are saying regarding how this affects ride quality.
I'm saying that it feels a bit softer on rougher roads then the pinks do, and I believe it is because they are progressive all around, unlike the pinks (linear). But I've noticed when "throwing" the car around that they do firm up pretty quick.