Hey sanvir, if you follow the "Without NOS" tune in this video you should be able to learn the steps involved in setting up the trans and how to space the ratios etc. Once you have tested this configuration you can then play around with different final gearing to achieve a setup that you find best.
I've raced with you before and if you see me again, hit me up and we can do comparison races and I can assist you if you need it.
This link will take you to the R8 tune courtesy of MrAngryBirds
https://www.gtplanet.net/forum/threads/audi-r8-drag-setup-tune-video.307227/