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Old 09-01-2012, 08:58 AM   #61
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Originally Posted by jeeptester View Post
IMO try the 33" without re-gearing for a while and see. And yes if you want to engage 4x4 then the front has to match. It doesnt matter if in 2 wheel drive.
Is this true? I was under the impression that you had to swap both, whether it was in 4wd or not.

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Old 09-01-2012, 09:04 AM   #62
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If you EVER want to use 4WD.... the gears MUST match. When you are in 2WD, the transfer case disengages the front output... letting it free to spin on it's own just from the front tires rolling down the pavement.

If you swapped in a front axle with 4.10's ... your rear was at 3.07's... you can run in 2WD for however long you want .... NEVER put it in 4WD with mismatched gearing.... catastrophic failure. If you have to do this, my recommendation is to remove the front shaft... that way you have no chance of messing anything up if you (or someone else) engages 4WD.

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Old 09-01-2012, 09:42 AM   #63
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Quote:
Originally Posted by jeeptester

IMO try the 33" without re-gearing for a while and see. And yes if you want to engage 4x4 then the front has to match. It doesnt matter if in 2 wheel drive.

Here is another idea Jeep Parts, Jeep Accessories & Jeep Soft Tops From The Jeep Parts Experts - Quadratec on this chart find your ratio and tire size. Then determine what ratio to do based on fuel , power and such. Once you have the new reading, like 33 tire 4.88 G = 3230 then look on the one that matches your current gear set. Look for a tire size closest to your target you picked. What ever tire size that is would be a good comparison to know what the Jeep will drive like IF you did that gear swap. A little trouble but better than gearing and then hating it IMO

I did a set of 29" (borrowed) to see what my 35" would be like on 4.88 compared to my current 4.10
Well with that chart, I guess I'd be looking at 4.56s. If I understand it correctly
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Old 09-01-2012, 09:47 AM   #64
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33's with 4.0L 5 speed is what I have and 4.56's are perfect for all around use.
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Old 09-01-2012, 07:36 PM   #65
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Originally Posted by TnDz TJ
33's with 4.0L 5 speed is what I have and 4.56's are perfect for all around use.
I'll call the 4x4 shop and get theyre input on the gearing too
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Old 09-01-2012, 07:42 PM   #66
Knows a couple things...

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I'll call the 4x4 shop and get theyre input on the gearing too
Don't. Most sales droids in 4x4 shops give the same axle ratio recommendations for a certain tire size no matter if it's a GMC 2500 truck, Ford Explorer, Wrangler TJ with the 5-speed, or Wrangler TJ with the 2.5L and automatic transmission. I used to work for the parent company of 4Wheel Drive and the axle ratio recommendations I heard the sales kids make were often completely inapropriate for the vehicle and its transmission type.

For 33" tires, 4.0L engine, and 5-speed transmission, 4.56 as recommended above is the way to go.
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Old 09-01-2012, 08:58 PM   #67
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like most people will tell you its how you drive it,i run 33's lincon locked all the time. stock diff whit 4.10 gear
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Old 09-01-2012, 09:26 PM   #68
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Originally Posted by Jerry Bransford
Don't. Most sales droids in 4x4 shops give the same axle ratio recommendations for a certain tire size no matter if it's a GMC 2500 truck, Ford Explorer, Wrangler TJ with the 5-speed, or Wrangler TJ with the 2.5L and automatic transmission. I used to work for the parent company of 4Wheel Drive and the axle ratio recommendations I heard the sales kids make were often completely inapropriate for the vehicle and its transmission type.

For 33" tires, 4.0L engine, and 5-speed transmission, 4.56 as recommended above is the way to go.
Im going to Northridge 4x4, and they have pretty good service. I might call to see what they have to say, but in the end I'll probably go with 4.56

Quote:
Originally Posted by re330
like most people will tell you its how you drive it,i run 33's lincon locked all the time. stock diff whit 4.10 gear
Well in Washington, we have lots of hills and a lot of trails are over the mountain. Right now with stock gears and 29s I can only go about 35 in spots up the mountain.

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