Rear spring rubber

bob393 said:

Is there any way to tell the thickness of the rear spring insulating rubber with out removing them?
I want to install slightly thicker rubbers to raise the rear an inch or so.

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There are little nubs around the perimeter. Look for one, two or three, three being the thickest.

I can't find it in the manual but I've seen that a change in spring pad thickness results in about a two to one ratio. That is, if you change the pad thickness by 5mm, you'll see about a 10mm change at the wheel.

So if you want a 24mm increase, you'll need to change your current pads by about 12mm. The only way to get close to this with pads is if you now have the shortest pad which is 9.5mm thick, and you go the the thickest, which is 19mm. This 8.5mm change should give you about 16mm at the wheel. More than that and you'll have to cheat by forcing the SLS to take more of the load, or by installing longer springs.

There is good info in the manual. See section 32.