Quote Originally Posted by TonyC View Post
Les Richmond Automotive's spring rate chart is corrected to to remove the sprung weight.
The resolution of the image leaves a lot to be desired, but might give you another data point.

Spring Graph: Spring Height v's Weight Graph

Tony
Yeah I saw that but poor image didn't really help...

Anyhow I think I've got all sorted reasonably close to what it should be and now know roughly what spring rates I now need & expected height increase