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Old 02-15-2008, 01:46 PM   #1
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4.56 or 4.88

I finally have the money for a Dana 44 and to get the front regeared too. I had planned on getting 4.56 gears. I run 33's and have a 4.0L and the 4spd OD trans. I was at the 4West Shop and they suggested I run 4.88's instead, because of the 30% OD in the trans. I would like to here what gears people are running with their 4spd OD auto-trans and how they like it. I drive the freeway every day. It's not a trail rig.

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Old 02-15-2008, 02:16 PM   #2
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Go 4.88's. I have 5.13's and sometimes wish I had gone with 5.38's.

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Old 02-15-2008, 02:21 PM   #3
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I have 35" tires with a 3 speed auto trans ........with 4:88,
on the highway going 65 MPH I doing 3000 RPM's
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Old 02-15-2008, 02:28 PM   #4
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i have the 4spd OD auto tranny and 4.56 gears are perfect for me with my 35s. on the highway it holds the speed without shifting fore and back and i have a good mileage.
off the road some other gears would be better on rocks (in mud and sand itīs ok). iīll install a 4:1 tera low kit for beeing a bit slower in 4L.
itīs my DD and i want a good mileage.
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Old 02-15-2008, 03:38 PM   #5
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Personally I'd say just go with the 4.88's. There isn't enough of a difference between 4.56 and 4.88 to really matter to you. The OD will greatly help you on the highway or at higher speeds. You won't be pulling 3k like those of us with the 32RH. Plus going with a D44 in the rear you know you are going to move up to 35's someday.
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Old 02-15-2008, 03:47 PM   #6
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If you are staying on the road 456 will be fine. Every MPG is a dollar in your pocket. The difference is about 300 to 400 RPM on the Highway.
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Old 02-16-2008, 12:50 AM   #7
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What's stock gearing at? Is it 4.11?

Is it the same gearing with the auto and manual in stock form?

4.56 or 4.88s sound great but are those good recommendations for 4spd autos and 5spds?
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Old 02-16-2008, 02:20 AM   #8
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Sorry to side track - What about me? 33" on a 4 banger? only go off-road 2 times a month, and no rocks.
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Old 02-16-2008, 10:47 AM   #9
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^
Beautiful looking Jeep toby!!

What color is that called?
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Old 02-16-2008, 11:33 AM   #10
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Quote:
Originally Posted by hedonist View Post
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Beautiful looking Jeep toby!!

What color is that called?
I believe it is gunshell blue, I like it a lot. Really stands out with black rims
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Old 02-16-2008, 02:00 PM   #11
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I have 4.56's and 35's and a lot of the time I wish I had lower gearing. I'd go with 4.88s.
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Old 02-16-2008, 04:20 PM   #12
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The stock gears are 3.73.

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