Gear ratio check

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An easy way to estimate the final drive is to use a calculator like the last one linked to below, "'''Determine Ratio'''" http://ctny.audiworld.com/mark/s4/gears/gear_calc.html .
 
An easy way to estimate the final drive is to use a calculator like the last one linked to below, "'''Determine Ratio'''" http://ctny.audiworld.com/mark/s4/gears/gear_calc.html .
  
Drive the vehicle at 50 MPH (as an example), note and enter the speed (55 mph), the RPM (what ever you noted), and for the final drive, enter 1. When you hit calculate, the rear gear ratio estimate will come up.
+
Drive the vehicle at 50 MPH (as an example), note and enter the speed (50 mph), the RPM (what ever you noted), and for the final drive, enter 1. When you hit calculate, the rear gear ratio estimate will come up.
  
 
'''And Another Method'''
 
'''And Another Method'''

Revision as of 23:43, 21 May 2011

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