Quote:
Originally Posted by prandelia
The more spring you have, the less bar you need. Auto-x'ers and casual track tend to be softly sprung and use more bar, race cars are a lot stiffer and need less bar.
I'm on 700/900# springs, and only need a 20mm front, 16mm rear bar setup. Works perfect, same size as TMG racing cars in Germany.
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Not trying to start a campfire here, just wanted to point out that I though this was exactly how it works. Yet my experience with my own car was that the setup improved with stiffer bars (similar ratio increase to OEM, around 200% stiffer front and rear), for a car on 12k springs.
So a big "it depends" on this, or anything related suspension setup for that matter.