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-   -   2012 JKU flashpack gear change (http://www.wranglerforum.com/f274/2012-jku-flashpack-gear-change-259316.html)

esejoe_83 07-30-2013 10:41 AM

2012 JKU flashpack gear change
 
I just received my superchips flaspack and cheange the tire size and gear ratio from 3.73 to 4.10 and I can not get my auto tranny to go into manual mode

Went from stock Sahara 18" tires to 295/70/18 trail grapplers with stock wheels and 3.73 gears

Up Hill Bill 07-30-2013 10:46 AM

What's the purpose of telling your computer you have 4.10 axles when you have 3.73s?

I don't think you're going to see any positive benefits, just confuse the tranny....

I could be wrong....

esejoe_83 07-30-2013 10:48 AM

I wanted to change the shift points which it did I went from 14 mph to 18.5 at 65 by doing that but know I couldn't get back into manual

gsn 07-30-2013 10:56 AM

Quote:

Originally Posted by esejoe_83 (Post 4019314)
I wanted to change the shift points which it did I went from 14 mph to 18.5 at 65 by doing that but know I couldn't get back into manual

**********? Went from 14 mph to 18.5 at 65? explain that. 65 what?

esejoe_83 07-30-2013 11:17 AM

14 to 18.5 mpg at 65 mph

panthermark 07-30-2013 11:42 AM

It seems like you are just jacking your computers calculations up.

Up Hill Bill 07-30-2013 05:23 PM

Quote:

Originally Posted by esejoe_83 (Post 4019391)
14 to 18.5 mpg at 65 mph

I don't think so. At 65 mph you're going to be in 5th gear, no matter what gears your computer thinks you have. And, your gas mileage will be the same, too. But the EVIC readout will probably be all messed up.


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