| Comparing spring length only to the effect on ride height can be very misleading. If anyone really wants to compare springs they also need to look at wire diameter, # coils, and the mean diameter to calculate the rates and then generate load vs deflection curves to compare on a graph. With a stock shock and its non-adjustable spring supports, a lighter rate spring will need to be preloaded more than a heavier rate spring to achieve the same ride height, so lighter rate springs are typically longer. But being longer doesn't necessarily mean they will generate a higher ride height. With stock shock setups, differences in ride height from different springs will be easy to see in a load curve comparison.
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