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1983 - 2012 Ranger & B-Series All Ford Ranger and Mazda B-Series models

gear ratio formulas

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Old May 2, 2006 | 10:33 AM
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wildstang
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gear ratio formulas

what I would like to do is change the rear gears in my 92 ranger 4.0 5speed from the 3.27 to either 3.55 or 3.73. I also have a 91 explorer with the same drive train but with 3.55 gears. My ranger has 215/75 tires and the explorer has 235/75 tires. I want to figure out different tire sizes I could use to get an idea of what the different gear ratios would be like before I actually decide on a ratio. Thanks for any help.
 
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Old May 2, 2006 | 12:07 PM
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There is a "tire calculator" on discounttire.com.
 
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