Theres another aspect to this besides the spring rate change that cutting the spring will achieve, and thats the fact that springs and dampers are a matched pair.
Suspension engineers go to great lengths to ensure that a dmaper is matched to the spring it has to control.
Its a bit like pushing someone on a swing where if you time it right theyll go higher and higher as each push adds momentum, wheras if you time it wrong theyll stall and slow down -which is what a damper does to a spring.
Anytime the rate of the spring is altered, youll need to alter the damping rates to best match the new rate.
If you dont youll get a spring thats not being controlled correctly leading to pitching, poor control of the tyre over undulations and bumps, you can end up with a car thats got lengthened stopping distances also.
Best to go the whole hog and get a kit where the dampers and springs are matched.
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