The Forza Motorsport 4 Tuning Calculator

The Forza Motorsport 4 Tuning Calculator  has been released!

Link to the Forza Motorsport forum post and theads with details and instructions:

http://forums.forzamotorsport.net/forums/thread/4859908.aspx

For more tips and tricks, check out The Art of Passing with SIMI07 for a video tutorial on how to overtake/pass in an online race.