Gear ratio check

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(Optional Methods)
(Optional Methods)
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60,000 / 16,800= 3.57 or 3.57:1 gear ratio.
 
60,000 / 16,800= 3.57 or 3.57:1 gear ratio.
  
Another Method  
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'''Another Method'''
  
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 .  
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Another 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 (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.
 
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.

Revision as of 07:20, 26 July 2011

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