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Old 05-26-2008, 07:49 PM   #1
BoeJaker1976
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Join Date: May 2005
Location: copperas Cove, TX
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rear end part # decoder

does one exist? i would like to know the gearing on mine and i really dont want to jack it up right now.
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Old 05-26-2008, 11:33 PM   #2
Pyrotechnic
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Location: Austin, TX
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Re: rear end part # decoder

You can look on your glovebox sticker and see if it's listed.

You can figure out the rolling diameter of your tires and use a speed calculator like the one linked below along with your RPM in 3rd gear (or whatever 1:1 is for your transmission) at a certain speed (hopefully your speedometer is accurate) to figure out what rear gear you have.

http://www.public.asu.edu/~grover/willys/speed.html
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