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Gear Change 3.73 to 5.13 Observations After

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Old 03-31-2012, 04:28 PM
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Originally Posted by Zpack
The eco light intrigues me, never heard of it.
It is one of those computer settings for the dash like the temp or mile per gallon.

When you are in the "Zone" it comes "On" and is supposed to show you that the engine is in economy.
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Old 03-31-2012, 04:53 PM
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I have 35X17-12.50 BFG MTR/Kevlar also running 5:13 gears had them for about 17,000 miles. I love the way my Jeep performs (Superchips Flashpac 91 tune ) stays in OD at 70mph plus getting 18 mpg ????.
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Old 03-31-2012, 05:06 PM
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Originally Posted by Zpack
The eco light intrigues me, never heard of it.
LOL...It's a lier anyway!!
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Old 03-31-2012, 05:29 PM
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Originally Posted by DadsCJ
BFG AT in 315x70x17 about 34.6"

are you getting 34.6" size measurement full load from ground to the top of the threads?

I run BFG KM2s 35x12.50x17s and they measure 33.75" set on Procal.
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Old 03-31-2012, 05:30 PM
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Great info. Plan on regearing sometime this summer. Still undecided on 4.88 or 5.13.
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Old 03-31-2012, 07:02 PM
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Originally Posted by JimG
are you getting 34.6" size measurement full load from ground to the top of the threads?

I run BFG KM2s 35x12.50x17s and they measure 33.75" set on Procal.
No the 34.6" is advertised.

I measured 33.5" for the Procal running 28 psi.
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Old 03-31-2012, 07:28 PM
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excellent info. nice to hear a follow up. planning on doing the same thing soon.
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Old 03-31-2012, 08:33 PM
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Thanks for the write up man. I was undecided on the 4:88's or 5:13's but I figure since mine is no longer a daily driver I can go lower in the ratio so 5:13 it is. Glad to hear you liked it so much. Now Im on a mission to make this happen.
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Old 04-01-2012, 11:13 AM
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Originally Posted by JimG
are you getting 34.6" size measurement full load from ground to the top of the threads?

I run BFG KM2s 35x12.50x17s and they measure 33.75" set on Procal.

Since 5.13's are the favored's for 35's, and 35's run small, maybe we should get 37's, so when the weight of the jk is on them they will measure closer to 35 inches.
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Old 04-01-2012, 02:24 PM
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Originally Posted by GunDude
Since 5.13's are the favored's for 35's, and 35's run small, maybe we should get 37's, so when the weight of the jk is on them they will measure closer to 35 inches.
YES!!!!
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