REAR TOE-OUT ( Rare for AWD vehicles)
JUST RIGHT TOO MUCH
- Improved mid-turn rotation, preventing - Violent oversteer on throttle (some
understeer-induced front tire overload drifters do this on purpose)
  - Violent rotation on throttle lift or during
  trail braking into a turn
JUST RIGHT TOO MUCH
- Ability to apply throttle sooner and harder, - Sluggish responsiveness and mid-turn
more manageable oversteer understeer tendency
  - Rocking, wandering feeling on turn-in;
  unstable and awkward.
CASTER-SETTING GUIDELINES
  EVO, DSM, WRX, STi GT-R (OR REAR TORQUE BIASED AWD)
DEGREES POSITIVE CASTER 4-6 5-6
CASTER-SETTING EFFECTS
POSITIVE CASTER
JUST RIGHT TOO MUCH
- Improved straight-line stability - Increased steering effort
- Sharpened turn-in - Increased understeer from
- Improved traction throughout turn mid-turn onward
  - Increased torque steer
SOURCE
SPC Performance
www.spcperformance.com