wait i have a solution
I used to get 18 fps , i tried this f1config.cfg
My graphics improved, My gameplay Improved, My game never Seems to Jerk or Refuse anything . This guy Has edited the f1config.cfg superbly.
I got this Link From ALEXs post here so , i should better be thankful to him as well, just passing you on.
after overwriting it with the original one forget the fps . Check the gameplay. Believe Me you're never gonna get better fps without a good 3d card but this Graphic file will definitley improve your game.
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homepage.ntlworld.com]
Important Backup your Original F1graphics.cfg which is located in your main gp4 folder and dont forget to edit this line to get reflections.
open your f1graphics.cfg file
you will find this:
0 ; [MAIN VIEW] Enable static environment reflections (0=>off 1=>on) v3
change that 0 into a 1
also to get better than this edit this config file but dont play with it.
It improved my game massively . I still get 18 fps from the game but the game is far more better now.