The game often crashes on multi-core processors. You should restrict the game to CPU 0 (single core) via Task Manager or the GPxPatch settings to prevent instability.
Set your 7th gear to be slightly longer than needed for top speed alone; this allows you to utilize the slipstream (draft) of another car without hitting the rev limiter. Grand Prix 4 (2002) F1 Car Setup Guide With Mark Hemsworth Grand Prix 4
If your resolution isn't supported, edit the f1graphics.cfg file in your game directory to manually enter your monitor's horizontal and vertical resolution. 2. Car Setup Strategy The game often crashes on multi-core processors