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Mid Engine AWD Oversteer Fix

Note: whilst understeer is more common in MR-AWD cars, oversteer can still happen, particularly when the AWD system is rear-biased, or when there’s an aggressive rear suspension or aero setup. It tends to be smoother than in RWD cars, but if uncontrolled, it can still lead to snap oversteer or instability on corner exit.

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Shift power balance forward - prevents rear from breaking traction on power.

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Entry Phase (trail braking / lift off - rear gets light suddenly - can be caused by: 1) too much brake force on the rear; 2) sudden forward weight shift with throttle lift off; and 3) aggressive trail braking)

  • large front brake bias increase (to stabilize rear under braking)

  • increase rear aero

  • soften rear rebound damping

  • soften rear compression damping (to slow the rear's rise and maintain grip / slow rotation)

  • soften rear ARB (to increase compliance on corner entry)

  • slightly stiffen front ARB (for added stability on entry)

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Mid-Corner (lateral load overwhelms rear grip - can be caused by: 1) rear suspension too stiff and can't maintain grip; 2) too much camber and poor tire contact; 3) aero imbalance

  • increase rear aero (to plant rear)

  • much softer rear springs (to improve compliance)

  • soften rear compression damping (to allow better tire contact)

  • slightly stiffer front ARB (to reduce mid corner rotation)

  • increase negative rear camber (for better lateral grip)

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Exit Phase (throttle overwhelms rear tires. Throttle management is critical)

  • increase rear aero (to keep rear planted)

  • softer rear rebound damping (to prevent snap)

  • moderate negative rear camber (for cornering grip)

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