Do the Dream Car Championship, save it on race 6, and exit race 7 after starting it. Then you have a chance for a F090/S. If you don't get it, or if you get it in pink, just click load game, then skip race 7 again.
Or the Endurance races. Each one has a chance of getting you an F1.
Welcome to GTPlanet, n155an*; I'd advise you to take another read at this site's Acceptable Use Policy (AUP, for short).
- No slang words that promote laziness, ie; "r", "u", "plz", etc. will be tolerated. Decent grammar is expected, including proper usage of capital letters. Repeated violations will be grounds for suspension and/or permanent removal from the forums.
Search for MK's Garage editor, As long as you have USB (1.1) Drive and a codebreaker/ARMax, you can just pick the cars from a list, Formula Car #'s 70, 82, 90, 159, 160, and 202.