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Old 08-01-2007, 10:52 PM   #1
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Post Which gears? Im leaning towards 4.56

I have a 2004 TJ unlimited with the dana 44 rear and dana 30 in front. I have a 3" body lift with 33" pro comp mt's with stock gearing and it drives fine. I just purchased a 6" suspension lift, sye kit, cv driveshaft, and front/rear high strength axle kits. Im just keeping the stock 27 spline in front and 30 spline in the rear. I will really want to run 37's once I got all those upgrades installed. The question is.... What gear ratio would you recommend? I was told to get a 4.56.. How much would a 4.56 effect me driving around town? Thanks

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Old 08-01-2007, 10:56 PM   #2
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Do you have an Auto or Stick?

Either way go with 4.88's... when you think youve made up your mind on a gear set, go one higher just in case as you'll find something you don't like about the 4.56's and complain about having to do it again.

If you dropped that much money on suspension and tires, I would have upped the splines on the axles. Plus 37's, even on a modified D30 are pretty much the limit.

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Old 08-01-2007, 11:21 PM   #3
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I have an auto. Thanks for the advice. Would you suggest I run with 36's instead of 37's? I really didn't want to change the splines because of cost factor... I only go mudding a couple times a month so I didn't think swaping the front would be worth spending alot of money on it.
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Old 08-01-2007, 11:27 PM   #4
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I'd recommend 36's and ditching that body lift, or at least lowering it to 1.5"-2".

A 6" lift is more than enough for 36" tires.
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Old 08-01-2007, 11:31 PM   #5
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thnx
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Old 08-02-2007, 07:23 AM   #6
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I have an 04 TJ with an auto, steel beadlocks (heavy) and 35's. I am running 4:88's and kinda wish I had gone 5:13. They arent bad but I wish I had alittle more gear.
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Old 08-02-2007, 10:20 AM   #7
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if he has the dana 30 then he cant put in 5.13's
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Old 08-02-2007, 06:20 PM   #8
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Rosster, if you are running Alloys front and rear than with the light duty you are going to put them thru they will hold up just fine with 37's. But like the others said. Go with the 4.88's you won't regret it.
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Old 08-02-2007, 07:09 PM   #9
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5.13's
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Old 08-02-2007, 07:38 PM   #10
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5.13's
D30
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Old 08-02-2007, 08:00 PM   #11
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Oh. I have a hard time reading sometimes.
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Old 08-02-2007, 08:03 PM   #12
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Quote:
Originally Posted by Simple Scout View Post
Oh. I have a hard time reading sometimes.
Quote:
Originally Posted by Simple Scout View Post


In case anyone needs it.
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Old 08-02-2007, 08:17 PM   #13
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Oh. I have a hard time reading sometimes.
That's why I'm here for ya buddy.
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Old 08-02-2007, 10:45 PM   #14
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Thanks Jack. YOU'RE the bestest!
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Old 08-02-2007, 11:01 PM   #15
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I seen a chart somewhere showing tire size/ gear ratio/ RPM. Can't seem to find it now. I'm trying to decide if 4:11 is right for me, myself. I think that was what I had read for 33's? Can anybody point me at that chart?
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Old 08-02-2007, 11:48 PM   #16
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5.13's...definitely. i would run 4.88 if i had 35's.

yes i know you have dana 30. so what. swap it.

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