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2012 Manual with 37s 4:10s

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Old May 3, 2013 | 11:55 AM
  #11  
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JK Super Freak
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From: East Meadow, NY
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Originally Posted by Nomadic-JK
As of a week ago, I am. I have been really struggling with what to do, and I have decided to regear. ...most likely with 4.88s. I wanted 5.13s initially, but I think that those would be too low, and not as strong due to the smaller teeth. 4.10s on 35s would probably be fine, but once you go bigger you may notice some power loss. I have, at least. The first couple of gears with the 6 speed were plently low with my 32s and 4.10s, but 6th gear was pretty freaking tall and I would run into trouble keeping my speed up when going up hills. I want to get my gearing a little bit lower than it was when it was stock, so looking at the gearing charts that are floating around, it seems that 4.88s would get me just a hair lower that the factory 32"/4.10 combo. Check out some of the gear charts and see where you fall. You may find that you don't need to regear with 35s, but that depends on what you plan on doing with it.
Thanks for the reply. My rig drives fine with the 410s and penstar engine with my 35s and I realize the optimal gearing for the 37s would be 456 or 488s but just trying to get some first hand experience from people running my set up to see if its at least tolerable. I do a lot of highway and beach driving not crawling so I dont care about going to low. I just dont want to be screaming the rpms going 65 but if its truly a slug and unbearable ill consider staying at 35s
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Old May 3, 2013 | 11:57 AM
  #12  
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JK Super Freak
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From: East Meadow, NY
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Originally Posted by Monte417
Ok thanks at 60 im running 2000 rpms exactly. Not a huge difference by any means but def a difference
oops just noticed you have a 2007 3.8l so im guessing yours would be a little different
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