Spun down meaning the coil is as low as it will go. I had coil overs on my Fc and understand fully how they work. But yes spring rate does have to do with how high/low the vehicle will sit. Thats why they have fucking rates. Not just be like "OMG JDM my rates higher than yours."

I know what I need, and I understand how it all works. I need the weight so I can figure everything in. Simple.