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NA Tuning - Stage 3
Gran Turismo 3: A-Spec

NA Tuning - Stage 3

Discover NA Tuning Stage 3 in Gran Turismo 3: A-Spec, featuring minimum valve system weight, upgraded engine components, and increased compression ratio for maximum horsepower.

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Discover NA Tuning Stage 3 in Gran Turismo 3: A-Spec, featuring minimum valve system weight, upgraded engine components, and increased compression ratio for maximum horsepower.

Walkthrough
  1. 1
    Reduce the valve system weight to the minimum.
  2. 2
    Comprehensively upgrade the materials of the pistons, cams, valves, and con-rods to handle high engine speeds.
  3. 3
    Fit special racing cams with high lift and wider valve overlap.
  4. 4
    Increase the compression ratio to the maximum.
  5. 5
    Narrow the power band to the medium and high engine speed ranges to achieve maximum horsepower.
Tips
  • This stage focuses on maximizing horsepower by optimizing for medium and high engine speeds.
  • The use of racing cams with high lift and wider valve overlap is crucial for this stage.

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