Tires, Gears, Ratios and Charts - JeepForum.com

 
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post #1 of 4 Old 12-28-2013, 04:32 PM Thread Starter
wilgeno
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Tires, Gears, Ratios and Charts

I was researching which tires/sizes I could/should run on my Jeep and found several places that had essentially this same chart for tire sizes and gear ratios combinations. I found it interesting. I'll let others decide if it's interesting or helpful to them.



http://www.southwestpowersports.com/GEARCHANGE.HTML

http://www.midfloridajeepclub.com/tech.html


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post #2 of 4 Old 12-28-2013, 05:05 PM
RockyClymer
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Already in the FAQ section...and, it depends upon motor size, manual or auto tranny and tire size...so lots of options.

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post #3 of 4 Old 12-28-2013, 05:09 PM
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Nice chart, however only 5 of the gears are useable in the JK/JKU and the chart-

Is calculated on a 1/1 rario and no comparison between manual/auto trannys--and no mention of speed-involved

One of the most important ratios in the JK/JKU charts is the rpm values based on speed/O/D, with quite a difference between the 6-spd manual and the auto O/D

The rpms listed are extreme when not considereing Auto-speed/O/D

For instance, my auto/5.38/33" tires, the tach turns 2600 rpm at 70 mph-

Not very valuable chart-sorry

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post #4 of 4 Old 12-28-2013, 06:41 PM
TheBoss
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As stated the correct charts are in the FAQ. Thanks for trying to contribute though.
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