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Rack location will determine ackerman. Actually Adams claims the opposite. Toe out under bump will actually create a better driving car. When the wheel toes out under bump the car will tend to lessen the steering angle. A car that toes in under bump could create a condition where the driver has to make a steering adjustment (to lessen steering angle) on a heavily loaded chassis mid turn, thus upsetting the car.
I assume you are referring to caster angle and trail. Or are you referring to scrub radius and KPI. Since tie rod location is a factor of rack location, it is fairly important. Rack location will have a large influence on how the car feels to the driver. It may not necessarily heavily influence the cornering capabilities of the car, but it will affect what the driver can do with the car. Rack location will also affect bumpsteer, so it needs to be taken into account as well. Milliken agrees with me that rack location is fairly important.
Thanks for the input.
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Brett
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