scoobyke
Well-known member
This page is meant to give you some ideas on how to adjust the handling balance of your car. It is strongly recommended that you make only one or two adjustments at a time, and reserve for yourself a large, open area such as a parking lot that is away from people, to test your adjustments.
To Reduce Understeer or Increase Oversteer
Front tires:
Increase tire pressure in 2.5psi increments
Increase Section Width
Lower the Aspect Ratio
Reduce front tread depth
Rear Tires:
Reduce tire pressure in 2.5psi increments
Reduce section width
Install higher aspect ratio tires
Increase rear tread depth
Front Wheels:
Install wider wheels
Install lighter wheels
Rear Wheels:
Install narrower wheels
Install heavier wheels
Front Alignment settings:
Dial in more negative camber
Dial in More toe-out
Dial in more positive caster
Rear Alignment settings:
Dial in more positive camber
Dial in more toe-out (Same as front)
Anti-Sway bars:
Soften the Front
Stiffen the Rear
Spring rates:
Soften the Front
Stiffen the Rear
Shock absorbers:
Soften the Front
Stiffen the Rear
Suspension Bushings:
Soften the Front
Stiffen the Rear
Brake Proportioning
Reduce Front brake pressure
Increase rear pressure
Weight Distribution
Reduce front weight
Increase rear weight
Aerodynamics:
Increase Front Downforce
Reduce rear downforce
--------------------------------------------------------------------------------
To Reduce Oversteer or Increase Understeer
Front tires:
Decrease tire pressure in 2.5psi increments
Decrease Section Width
Install higher Aspect Ratio tires
Increase front tread depth
Rear Tires:
Increase tire pressure in 2.5psi increments
Increase section width
Reduce aspect ratio
Decrease rear tread depth
Front Wheels:
Install narrower wheels
Install heavier wheels
Rear Wheels:
Install wider wheels
Install lighter wheels
Front Alignment settings:
Dial in less negative camber
Dial in less toe-out (to toe-in if needed)
Dial in less positive caster
Rear Alignment settings:
Dial in less positive camber
Dial in less toe-out (Same as front)
Anti-Sway bars:
Stiffen the Front
Soften the Rear
Spring rates:
Stiffen the Front
Soften the Rear
Shock absorbers:
Stiffen the Front
Soften the Rear
Suspension Bushings:
Stiffen the Front
Soften the Rear
Brake Proportioning
Increase Front brake pressure
Reduce rear brake pressure
Weight Distribution
Increase front weight
Decrease rear weight
Aerodynamics:
Reduce Front Downforce
Increase rear downforce
To Reduce Understeer or Increase Oversteer
Front tires:
Increase tire pressure in 2.5psi increments
Increase Section Width
Lower the Aspect Ratio
Reduce front tread depth
Rear Tires:
Reduce tire pressure in 2.5psi increments
Reduce section width
Install higher aspect ratio tires
Increase rear tread depth
Front Wheels:
Install wider wheels
Install lighter wheels
Rear Wheels:
Install narrower wheels
Install heavier wheels
Front Alignment settings:
Dial in more negative camber
Dial in More toe-out
Dial in more positive caster
Rear Alignment settings:
Dial in more positive camber
Dial in more toe-out (Same as front)
Anti-Sway bars:
Soften the Front
Stiffen the Rear
Spring rates:
Soften the Front
Stiffen the Rear
Shock absorbers:
Soften the Front
Stiffen the Rear
Suspension Bushings:
Soften the Front
Stiffen the Rear
Brake Proportioning
Reduce Front brake pressure
Increase rear pressure
Weight Distribution
Reduce front weight
Increase rear weight
Aerodynamics:
Increase Front Downforce
Reduce rear downforce
--------------------------------------------------------------------------------
To Reduce Oversteer or Increase Understeer
Front tires:
Decrease tire pressure in 2.5psi increments
Decrease Section Width
Install higher Aspect Ratio tires
Increase front tread depth
Rear Tires:
Increase tire pressure in 2.5psi increments
Increase section width
Reduce aspect ratio
Decrease rear tread depth
Front Wheels:
Install narrower wheels
Install heavier wheels
Rear Wheels:
Install wider wheels
Install lighter wheels
Front Alignment settings:
Dial in less negative camber
Dial in less toe-out (to toe-in if needed)
Dial in less positive caster
Rear Alignment settings:
Dial in less positive camber
Dial in less toe-out (Same as front)
Anti-Sway bars:
Stiffen the Front
Soften the Rear
Spring rates:
Stiffen the Front
Soften the Rear
Shock absorbers:
Stiffen the Front
Soften the Rear
Suspension Bushings:
Stiffen the Front
Soften the Rear
Brake Proportioning
Increase Front brake pressure
Reduce rear brake pressure
Weight Distribution
Increase front weight
Decrease rear weight
Aerodynamics:
Reduce Front Downforce
Increase rear downforce