ROW M030 Spring rate for 996
 

What sort of spring rate increase can I expect from stock 996 C4 springs with 117K miles on them compared to a new set of ROW M030.

Looking at M030 sway bars too any ideas?

36 views no suggestions???

OK found a boring way to figure it out. http://www.pontiacracing.net/js_coil_spring_rate.htm

once I get the springs removed from car I will post what I found