Originally Posted by ppro
How do you reach that conclusion? That sounds like it would be right IF the spring is a progressive rate spring. But I keep hearing the springs are not progressive on the Crossfire? So which is it?
Crossfires have linear springs.
I'll have to define some things before I stick my foot in my mouth:
Linear Spring: A spring manufactured with a single spring rate by definition a function of the number of coils between ends, the cross-sectional diameter of the spring and the diameter of the wire used to make the spring.
Progressive rate spring: Discretely speaking, a single spring composed of multiple spring rate linear springs, by definition increasing in spring rate as compression increases.
Cutting a linear spring does two things:
1. It decreases the length of the spring
2. It increases the spring rate of the spring, the value of which can be determined by decreasing the number of coils in the spring rate equation.
Cutting a progressive spring is a little more complicated, as it matters which end you cut. You could end up with a seriously degraded spring rate if you cut the wrong end.
If you cut a spring, the spring rate will go up - therefore, the correct tuning would involve changing the dampers and antiroll bars to suit.