where is the calculator for what rear end gears?

[tire]

you imput your redline and powerband and it tells you what gear is best... someone link me, thanks.

austin

[Danger Dude]

http://www.markwilliams.com/technical/gear_calc.html

We here you go Austin!!!!!

[tire]

thank you.

EDIT - ok, that is different from what i remember. the rpm is redline correct? or ending rpm at end of the track in whatever gear? i may be able to remember or think it out but i figure you would know, thanks.