naed240sx wrote:You better be building a track only car, and I hope you plan on stitch welding important sections of your frame. Those use some really high spring rates. I wouldn't even recomend them for drifting, because it will become impossible to use weight transfer techniques, and they will suck for rougher parking lots that many events are held in. I have kts with 8/6 springs, and they are already too stiff for the street.
I wouldn't go that far... my Friend fell asleep in my car on the way back from San Antonio.
But 12/10 is retarded unless you have a full stich welded cage and huge slicks.