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How can I effectively tune my Porsche 904 for better handling and performance on wet roads?

The Porsche 904's engine requires precise fuel-air mixture optimization to achieve sustained high-speed performance, which can be achieved through careful tuning of the fuel injection system.

The ideal ignition timing for the 904's engine on wet roads is around 10-15 degrees before top dead center, which helps to reduce engine knock and improve power output.

Boost pressure optimization is crucial for the 904's turbocharged engine, as excessive boost can lead to engine knock and reduced performance on wet roads.

The 904's suspension tuning is critical for handling stability and minimizing tire wear on wet roads, with a focus on reducing understeer and improving camber angles.

Brake fade management is vital for the 904, as constant high-speed braking on wet roads demands exceptional thermal management to prevent brake fade and improve stopping power.

Careful aerodynamic tuning can improve downforce and stability on wet roads, reducing tire slippage and improving cornering performance.

The 904's original suspension design features a unique "beam axle" rear suspension, which requires careful tuning to optimize camber and toe angles for improved handling on wet roads.

To improve handling on wet roads, the 904's tire pressure should be adjusted to around 1.8-2.0 bar (26-29 PSI) to improve tread contact and reduce aquaplaning.

The 904's steering geometry requires precise adjustment to optimize handling on wet roads, with a focus on improving Ackerman angle and reducing understeer.

The 904's braking system requires careful tuning to optimize brake bias and pedal feel on wet roads, with a focus on improving stopping power and reducing brake fade.

On wet roads, the 904's electronic stability control (ESC) system should be adjusted to "Sport" mode to allow for more aggressive driving inputs and improved handling.

For optimal performance on wet roads, the 904's driver should employ a "smooth and slow" driving style, focusing on gentle inputs and gradual acceleration to maintain traction and stability.

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