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-   -   Speedometer gear Question (http://www.wranglerforum.com/f210/speedometer-gear-question-17897.html)

DiPietro 04-22-2008 02:40 PM

Speedometer gear Question
 
I bought my Jeep with 31's already on it..

I'm off by about 6 mph (under) on my speedo according to my GPS.. How do I know what gear to go up/down to to get it back to normal??

black71gp 04-22-2008 02:55 PM

what gear ratio do you have?

DiPietro 04-22-2008 07:24 PM

How do I know??? Thats what I need to find out :confused::confused:

Quote:

Originally Posted by black71gp (Post 221211)
what gear ratio do you have?


Jerry Bransford 04-22-2008 07:27 PM

Your axle ratio is embossed into a steel tag held by two bolts at the 9 o'clock position on your differential cover. You'll need a rag to wipe it off so you can read it plus a flashlight. It'll say something like "3 07" or "3 73" or similar.

DiPietro 04-23-2008 03:19 PM

Jerry, thank you so much for the info..!!!


Quote:

Originally Posted by Jerry Bransford (Post 221356)
Your axle ratio is embossed into a steel tag held by two bolts at the 9 o'clock position on your differential cover. You'll need a rag to wipe it off so you can read it plus a flashlight. It'll say something like "3 07" or "3 73" or similar.



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