View Full Version : Formula
manny
12-04-2012, 11:14 AM
does any one know the formula to find your speed? im looking to play with some final drive ratios and transmission ratios also.
Gregg
12-04-2012, 11:41 AM
Google is your friend...
http://bit.ly/SuZjL7
This one in particular looks good.
http://www.apexgarage.com/tech/gear_ratios.shtml
billf
12-04-2012, 12:34 PM
Manny,
Since you are working on a Ford, this site will possibly help. It also lists the various ratios for the T5 tranmissions of the Ford cars.
http://www.merkurtech.com/merkurtech/calculators/rpmmph.php
FYI...we found the best ratio was the 3.4, using final drive of 1:1, and 14 in tires.
Good racing.
Bill
mbuskuhl
12-04-2012, 11:44 PM
PM me your email address and I will send you two different MS Excel gear calculators that will help you choose ratios and the effects they have on speed and RPM drop.
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