This page contains Gran Turismo 3: A-Spec Hints for Playstation 2 called "Exstra HP" and has been posted or updated on Apr 16, 2007 by DickHead. Let us know what you think of this Hint by thumbs voting.
- Developer: Polyphony Digital
- Publisher: SCEA
- Genre: Driving Racing GT / Street
- Release Date: Jul 9, 2001
- ESRB: Everyone
When u buy or get a new car go to GT auto and change oil, this wil boost your HP upp 10-30 and it only cost 250Cr!
Back to all Cheats
Stuck on this game? Set a specific, clearly defined question and let others answer your question or view answers to previously asked questions. If you think you are an Gran Turismo 3: A-Spec expert then please try to help others with their questions.