Quote:
Originally Posted by OptionZero
I remember reading about this
Where the spring is located is physically changed when u go from OEM type to true type
Since the OEM spring rates are based on oem locations, and the tuners are using that same geometry to do their math, it stands to reason that changing that spring location changes the geometry and requires new math to find ideal spring rates
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I wouldn’t say geometry has changed. The arc of which the arms move are still the same. There’s no change to how camber and toe build up as the springs get compressed.
It’s the physics that changed. Imagine using the same spring, moving the spring outward to the hub makes it much harder to compress the spring, therefore a lower spring rate is needed to compensate.