Ok, thanks.
Would this be a good spring?
http://store.summitracing.com/partde...5&autoview=sku
My struts can hold maximum of 7" spring (free lenght).
How much I should preload it initally? 1" , 2", maybe 3"? Or should I just adjust my for the same ride height that it was with stiffer springs and try it for few passes?