Tire tops can tilt {camber}| out or in, rather than be vertical.
amount
Camber ranges from -1.0 to +1 degrees. Negative camber tilts in. Positive camber tilts out. Positive camber allows better support by wheel bearings.
turn
Tires tend to tilt out toward outside turn, because tread sticks to road and tire top has centrifugal force.
When car body slides toward outside turn, MacPherson strut suspensions tilt tires out, but unequal A-arms tilt tires in. During turns, tire inside or outside can lift off road. Negative camber for MacPherson strut suspensions and positive camber for unequal A-arms allow tires to be vertical during turns, when traction is most important.
pull
If one tire has higher camber, car pulls to that side.
road
Because road crown pulls car to right, in right-hand-drive countries, left tire can require higher camber.
Practical Affairs>Machine>Kinds>Mechanical>Rotation>Tire
7-Machine-Kinds-Mechanical-Rotation-Tire
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Date Modified: 2022.0224