all the suspension set at their softest, i.e. springs, dampers...
Ride height set high in the front, low in the back...tune your gearing for over 240mph in 6th gear at about 8000rpm.
Downforce: front at lowest effect, Rear at most effect.
You'll do a wheelie and also reach a high speed over 400mph.
if you want to hit this speed you have to go to Motor Sports Land and go out of course so you can run the LONG flat.