Gran Turismo 3: A-Spec may not use a strict drag formula. Increasing front downforce on F1 cars lowers top speed.
The game seems to handle the coefficient of drag in a general manner. For example, on F1 cars, if you increase the front downforce, which is known to increase frontal area, you will experience a lower top speed. However, it is not confirmed if the game strictly adheres to the correct aerodynamic formula.
Regarding the difference between arcade and simulation modes, it is believed that this distinction primarily relates to the arcade mode's design. While this might seem like a simple explanation, there could be more to it. In the previous Gran Turismo title (Gran Turismo 2), cars also handled more easily in arcade mode.
- Increasing front downforce on F1 cars in Gran Turismo 3: A-Spec will reduce your top speed.
- Cars generally handle more easily in arcade mode compared to simulation mode in Gran Turismo 3: A-Spec.
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