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      07-22-2009, 02:54 PM   #14
Evolution Racewerks
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Drives: 20 M340i,15 M4,12 328i,08 135i
Join Date: Feb 2008
Location: Azusa, CA

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Great post. Front grip is key to reduce/eliminating understeer on this car.

Our front bar is a monster. We've snapped 1 front sway bar end link so far.

Our rear sway bar is unchanged.

The secret is always in the tires

Quote:
Originally Posted by kdw215 View Post
hi.

Yes a bigger FRONT bar will help as it gives more grip to the front = reduces roll understeer.
Fine for the road, but on the track not so good - seen a few end links snap doing this.

I put H&R coilovers on my e30 M3, it already had H&R bars - what a pig it was, completly mismatched, way to much bar for the springs, went back to stock bars and it was great.

There is a very good suspension calculator somewhere on the web, if you can be bothered to measure and weigh everything it works pretty good, see if I can find it. It comes down to sprung and unsprung weight and the relative frequencies.

But the secret is always the dampers in the end...


found this - not the one I was looking for.

http://buildafastercar.com/tech/Sway...ate-Calculator
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