You should have done the search but i will help you out. First buy yourself the AMUSE S2000 GT1. It will be the best car for you to use because i feel that it accelerates very well and turns very well too. you will have to set the car's HP down to -6 or add weight to the car up to 106% because the car starts out with too much PP. Also set the downforce to F11/R22. Set the ride height to -10 for both rear and front and turn off ASM. Whats actually good about GT5P is that the default setup for the races have ASM off. It help you become a better driver in the game because assists protect you from screwing up too bad. I have the steering setup to a full 50 degrees. ABS set to 3, gears set for acceleration so put the final gear ratio to about 4.250. This setup helped me win. It is a challenge in and of itself because of the first set of S turns in Suzuka. They feel so much different from GT4 or GTPSP. You really have to be smooth and precise with your steering. Either use the analog stick or if you are lucky enough to have it, use the G27, G25, or the DFGT.
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