First off you will need the official patch, then the no-cd patch. They are both towards the bottom of the Patches section on the old downloads section of this website. Rin the patch then extract the decrypted exe and overwrite the old on in the GP3 folder.
[
old.grandprixgames.org]
Then head to the Editors section and get GP3 Edit (about 10 files off the bottom of the list).
[
old.grandprixgames.org]
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The test of a first-rate intelligence is the ability to hold two opposed ideas in the mind at the same time, and still retain the ability to function. -- F.Scott Fitzgerald