Quote:
Originally Posted by venturaII
All that brainpower and yet nothing about the obvious increase in unsprung weight at the motion end of the spring when upside down? There are ~twice as many coils on the tighter wound end; that end of the spring is twice as heavy, and springs aren't light to begin with. While it doesn't affect the spring rate or how the spring works in a sanitary, theoretical world, in real life you've doubled the spring's contribution to unsprung weight. The spring itself functions the same, the car's suspension does not. Take the free performance improvement and flip the spring.
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The value of unsprung items like spring and dampers, is debatable. Generally, half the mass is used, and not ratio'd out based on the coil design...at least not in my experience.