Front Sway Bar

[bronzebullet232]

Anybody have a front sway bar on the hatchback? I've been autocrossing a lot lately and want to get rid of some understeer.

My current set up is DF210s, Tokico HP's, 23mm Ultra racing rear bar

[Bluevitz-rs]

Try disconnecting the front bar from the control arms first and see how that goes.

Edit: sorry, disconnect from the struts on the Yaris I believe.

You want less front sway bar if you have understeer.

[Tamago]

Anybody have a front sway bar on the hatchback? I've been autocrossing a lot lately and want to get rid of some understeer.

My current set up is DF210s, Tokico HP's, 23mm Ultra racing rear bar

what are your alignment specs? a larger front swaybar is going to INCREASE understeer.

[mshekleton]

Um, I'm pretty sure that a larger front sway bar increases oversteer and a larger rear sway bar increases understeer.

*edit*
Ah, you're right:
"Understeer or oversteer behavior can be tuned out by changing the proportion of the total roll stiffness that comes from the front and rear axles. Increasing the proportion of roll stiffness at the front will increase the proportion of the total load transfer that the front axle reacts and decrease the proportion that the rear axle reacts. This will cause the outer front wheel to run at a comparatively higher slip angle, and the outer rear wheel to run at a comparatively lower slip angle, which is an understeer effect. Increasing the proportion of roll stiffness at the rear axle will have the opposite effect and decrease understeer."

[cali yaris]

The Yaris likes a bigger front sway bar a lot. I know on paper it makes a car understeer more, but the reduction of excessive rolling helps the front end stick better in this case.

[New2tuning]

Um, I'm pretty sure that a larger front sway bar increases oversteer and a larger rear sway bar increases understeer.

*edit*
Ah, you're right:
"Understeer or oversteer behavior can be tuned out by changing the proportion of the total roll stiffness that comes from the front and rear axles. Increasing the proportion of roll stiffness at the front will increase the proportion of the total load transfer that the front axle reacts and decrease the proportion that the rear axle reacts. This will cause the outer front wheel to run at a comparatively higher slip angle, and the outer rear wheel to run at a comparatively lower slip angle, which is an understeer effect. Increasing the proportion of roll stiffness at the rear axle will have the opposite effect and decrease understeer."

Paging Dr. mshekleton

[Tamago]

The Yaris likes a bigger front sway bar a lot. I know on paper it makes a car understeer more, but the reduction of excessive rolling helps the front end stick better in this case.

you have an LSD.

totally different