I found this site that lets you enter any gear ratious you want and find the speed in each gear for the RPM you enter. You can do side by side comparisons and it comes preloaded with some honda and acura transmissions that you could use if you dont know your gear ratios. I think it would make a nice sticky or at least a reference for people. Here ya go:
http://www.fatboyraceworks.com/gears/

 

ya ive seen that site before..... i want to find some kinda custom gearing for better MPG in the 5th gear.....

i would rip my tranny apart and swap that gear out in a heartbeat! i know going over 70mph is hurting my MPG total

 

nifty
might be a good sticky in the tranny section

 

yeah thats what i figured. what would I need to do to put it up for consideration as a sticky?