Quote:
Originally Posted by Dackelone
Lots of guys install the M3 front sway bar. But I think that can only increase understeer at the limit. The reason why everyone seems to like this mod is bc they get no where near the limit on the street - and the stiffer bar really cuts down on front end sway and makes the steering feel more direct.
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Respectfully disagree that a bigger front bar will increase understeer, unless you're running a ton of static negative camber, or pretty stiff front spings. On stock or modestly more negative camber, and street spring rates, I believe the improvement in the camber of the outside wheel swamps out the increased weight transfer to that wheel. And the positive effect only gets better at increased lateral loads.
I think this is true for most cars with front McPherson struts. Their camber curve is so lousy that anything that decreases roll can only help front grip.
On a car with a decent camber curves, say with upper and lower control arms, it would be a different story. Charts that say a bigger front bar will always create understeer simply neglect the camber issue.