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4.88 or 5.13

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Old Apr 19, 2007 | 01:42 PM
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Default 4.88 or 5.13

Does anyone have any actual #'s on speed and rpm's with the 4.88's and the 5.13's. I have 35" tires and a 6 speed and I am not sure which gears will be best. Thanks
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Old Apr 19, 2007 | 01:55 PM
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sorry I forgot to mention I have 3.21's now.

By the way the switch panel worked great!! Thanks
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Old Apr 19, 2007 | 02:43 PM
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It's a DOG for sure!
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Old Apr 19, 2007 | 02:51 PM
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check out this thread. lots of good info. My rigs in the shop right now getting 5.13's installed. I have a 2 door, with the 6 speed.

https://www.jk-forum.com/forums/show...ghlight=regear

heres what i figured out from a gear calculator that was posted.
Wayoflife is running 5.13's and loves it
with 4:88's

65mph @ 2527rpm
75mph @ 2916rpm
85Mph @ 3305rpm


5.13's
65mph @ 2657rpm
75mph @ 3066rpm
85mph @ 3474rpm
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Old Apr 19, 2007 | 03:06 PM
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Thanks Piginajeep. That helped out. It does not seem like it's a huge difference between the 2 it could be but it does not look like it on paper. I already have the 4.88's and I am scheduled for Tuesday to get ARB's and the gears installed I think I am going to stick with the 4.88's.
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Old Apr 19, 2007 | 03:15 PM
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maybe this will help if you haven't seen it. http://www.superioraxle.com/htmlfold...alculator.html
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Old Apr 19, 2007 | 04:56 PM
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Thanks Rubimon.
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Old Apr 19, 2007 | 05:30 PM
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Originally Posted by MBAR741028
Thanks Rubimon.
my pleasure, I am kind of wondering which way to go myself. No hurry though.
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Old Apr 20, 2007 | 06:55 AM
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Gears 4.88's $440.00
Parts for the install $340.00
Lockers front & rear$1600.00
Air compressor $230.00
Install ???? not installed yet I can only Imagine $$$$. Install date is this coming Tuesday.
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Old Apr 20, 2007 | 07:27 AM
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Originally Posted by Piginajeep
check out this thread. lots of good info. My rigs in the shop right now getting 5.13's installed. I have a 2 door, with the 6 speed.

https://www.jk-forum.com/forums/show...ghlight=regear

heres what i figured out from a gear calculator that was posted.
Wayoflife is running 5.13's and loves it
Yup, what Piginajeep said. I'm running 5.13's now in my 6-speed and love the extra power that I have now. Also, I think the numbers he posted are quite correct
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