For all you guys new to tuning
@DesertPenguin09 found this online somewhere, And I felt it would be a great share for all of us.
Transmission Flip
1.) Final Gear to maximum (all the way right)
2.) Max Speed to minimum (all the way left) (birdy edit: you don't have to set all the way to minimum it could cost you on longer tracks)
3.) Highest Gear to maximum (all the way right – probably rounded)
4.) 2nd Gear to about 80% left (example: for a range of 1.915 to 2.427 I pick 2.000)
5.) For gears 3rd through highest, make relatively even spacing between gears. I tend to leave a little more space between 2nd, 3rd and 4th than I do between 4th, 5th and 6th. If you look closely at my settings you will see that the gear lines get slightly closer as you move from left to right (1st to 6th).
6.) Set top speed through Final Gear, not Max Speed. Do not touch the Max Speed adjustment at any time past step two. Use the Final Gear setting to achieve just before redline on the longest straight.
7.) Set first gear. If for rolling starts I tend to move this slider to the right and match my even spacing. For standing start racing you will need to test out a few. I have been burned a few times in online racing for having these settings too far left. For standing starts, 1st gear may need to be much further to the right. When you have the launch you are looking for, you will then need to go back and even out all of the gears again.
8.) Further optimize the gearbox for a specific track. You may find that a 2nd, 3rd or 4th gear shift is in a bad spot, mid-corner or right before a braking zone. Re-adjust these gears to optimize for the specific track. For example, if the car wants a 2nd to 3rd gear change just before the exit of a key corner, move the 2nd gear slider to the left and re-adjust the spacing of the other gears. Or, for example, if you are nearing a shorter straight section and find the need to shift from 4th to 5th right before a braking zone, move the 4th gear slider to the left then re-adjust the spacing of the other gears.