peakrevs 0 Posted January 6, 2010 (edited) I've found this resource very useful in calculating speeds/1000 revs with different gear, diff and tyre combinations. I thought it might be of interest.Link; http://westfield-world.com/gtc.html Edited January 6, 2010 by peakrevs Share this post Link to post Share on other sites
Batfink 201 Posted January 6, 2010 i use this one. http://racingdownloads.com/racing_software-22.html Share this post Link to post Share on other sites
