Bump steer and roll center correction....

Suspension and other discussion

Re: Bump steer and roll center correction....

Postby masco » Sat Jun 21, 2014 6:14 pm

I'm simply talking about raising the rear roll centre to reduce the rear roll couple so we don't have to use as much rear roll stiffness (in the form of large of a rear swaybar). As you know many of us use torsen differentials in the rear and we have issues with power delivery because the inside rear wheel is always unloading or off the ground especially with a larger than stock rear sway bar.

Raising both the front and rear roll centres together would be ideal regardless of differential used. Flattening the roll axis would increase understeer in my opinion. A forward sloping roll axis is crucial to make our cars turn.

What do you guys think?
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1990 Turbo4wd - 1990 Corolla GT-S - 2002 RX300
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masco
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