Quote:
Originally Posted by strat61caster
The length of the spring will not change your ride height unless your current springs have failed. The rating of the spring determines how much it compresses under load, if you have the same spring rate and same weight on the spring it will compress (approximately) the same amount no matter how long it is (lbs/in or kg/mm).
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You're confused.
Yes, the amount of compression at ride height depends on the ratio, not length.
But making a spring 10 mm longer, while keeping the spring rate and the position of the spring perch unchanged, will surely raise the rear by 13 mm (~0.75 motion ratio).