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SUSPENSION TUNING - QUICK REFERENCE GUIDE
The methods of correction of understeer or oversteer in most passenger
vehicles for road use with road legal wheels and tyres and is designed
purely as a general guide only.
| Component |
To Reduce Oversteer |
To Reduce Understeer |
|
ALIGNMENT ANGLES
Front Camber
Front Caster
Rear Camber
|
More positive
Less positive
More negative
|
More negative
More positive
Less negative
|
|
ROLL CENTRE (Height)
Front
Rear
|
Raise
Lower |
Lower
Raise |
SPRINGS
Front Rate
Rear Rate |
Harder
Softer* |
Softer*
Harder |
|
TYRES
Front Pressure
Front Foot Print (Tyre Size)
Rear Pressure
Rear Foot Print (Tyre Size)
|
Reduce
Reduce
Increase
Increase
|
Increase
Increase
Reduce
Reduce
|
VEHICLE TRACK WIDTH
Front Track
Rear Track |
Reduce
Increase |
Increase
Reduce |
* Excessively reducing Sway Bar or Spring Rates will change the foot
print of the tyre, resulting in the worsening of the original problem.
Reproduced courtesy of Wholesale Suspension Components
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