Parts For Sale
Service Manuals

Modifications | Tech Docs | Part Numbers | Downloads | Links | Gallery | Website Tools | Contact Information


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


Standard Disclaimer: Modification of your car involves risks and may void your warranty. I can not be held responsible for the modifications you consciously decide to undertake nor for the results of doing so.



...
...