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Old 05-03-2013, 04:45 AM   #1
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Question 4.56 gear change

Wanting to put 4.56 gears . dana30 front, 44 rear. Will I need a different carrier . I now have 3.73.

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Old 05-03-2013, 05:52 AM   #2
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Wanting to put 4.56 gears . dana30 front, 44 rear. Will I need a different carrier . I now have 3.73.
No, only 3.21s need a new carrier. Your carrier is 3.73 up and will handle 4.56s.


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Old 05-16-2013, 06:50 PM   #3
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No, only 3.21s need a new carrier. Your carrier is 3.73 up and will handle 4.56s.

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Would this gear for the Dana 44 rear have to have front done at same time? I also have the 3.73 and 33". Can't maintain speeds above 65-70mph
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Old 05-16-2013, 07:37 PM   #4
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Technically, yes you have to do both at the same time. The way around hat is to take the front drive shaft out and essentially make it as 2 wheel drive. The gear ratios have to be the same in both differentials.


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Old 05-16-2013, 09:30 PM   #5
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Technically, yes you have to do both at the same time. The way around hat is to take the front drive shaft out and essentially make it as 2 wheel drive. The gear ratios have to be the same in both differentials.

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How much does this typically cost? What would you suggest is the best buy?
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Old 05-16-2013, 09:36 PM   #6
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Originally Posted by sgtkersh View Post
Technically, yes you have to do both at the same time. The way around hat is to take the front drive shaft out and essentially make it as 2 wheel drive. The gear ratios have to be the same in both differentials.

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And if I'm planning on having it at its current tire/height size for the next 3-4 years then going to a 6"and 35-36" tires what ratio is recommended.
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Old 05-17-2013, 05:20 AM   #7
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Search on here for the gear ratio chart or maybe someone will post it here. The gears you need will be very specific to the engine, transmission, etc. you have to start with along with tires and driving conditions, type of wheeling, etc.

Parts can be had front and rear for about $600. Don't cut corners/cost and skip the full master install kit. You'll need it. Install will run $800-1000 minimum depending on your area. Some people are lucky and find it cheaper some pay more. Don't select a shop because they are cheap. Find someone that does this often and make sure they warrant their work. If you don't already have a relationship with a local shop and know they won't screw you over, sometimes it's best to buy the gears through them to make sure the warranty is good. I've heard stories of gear vendors and shops pointing fingers at each other when things go south.

Lastly, there's really only like three plants that make gears now. It's all packaging for the most part like batteries. Yukon, G2, Nitro, Spicer, I don't think you can go wrong with any of those. I have G2 and have been very happy.


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Old 05-17-2013, 05:24 AM   #8
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Motive has been getting a good rep too, and they are priced well.
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Old 05-17-2013, 05:48 AM   #9
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I'm looking at Yukon and have a good relationship with a well known company. I just feel like they know I've got $$ and will try to squeeze me for as much as possible. The guys there are very knowledgable. Thanks any other input would be appreciated.
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Old 05-17-2013, 05:59 AM   #10
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By well known company you mean a shop to install your gears? Just tell us the quote, and your location and we can give you a pretty good idea of what it should cost. I would push for 1000-1200 for front and rear, labor, and all parts.
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Old 05-17-2013, 06:36 AM   #11
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By well known company you mean a shop to install your gears? Just tell us the quote, and your location and we can give you a pretty good idea of what it should cost. I would push for 1000-1200 for front and rear, labor, and all parts.
^^ yep. i paid 2100 bucks to rebuild my front axle (seals where leaking), do 4.56 gears, and a front OX locker (cable driven).

you shouldn't pay more than 1200 bucks if all you're doing is gears..
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Old 05-17-2013, 08:03 AM   #12
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By well known company you mean a shop to install your gears? Just tell us the quote, and your location and we can give you a pretty good idea of what it should cost. I would push for 1000-1200 for front and rear, labor, and all parts.
I'm in Raleigh, NC and they are saying $1000 just in labor. Which I think is really high? They are putting exact quote together right now.
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Old 05-17-2013, 08:41 AM   #13
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Seems high to me. I know of shops that do the whole regear, everything, for 1K. So it can be done. I would say 1200 is a better price to shoot for.
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Old 05-17-2013, 09:47 AM   #14
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The cheapest I've found in Northern VA from a good shop is $800 plus oil and shop supplies. Total is $900-950 for install plus the gears.


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Old 05-17-2013, 11:09 AM   #15
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Around here, there's a bunch of other Jeepers who have done gears and have the proper tools to do it right. You might try posting in your local forum or local Jeep group and ask for help. There's risk, of course, but saving $1000 and learning a great deal about axles would be good. Just another viewpoint...
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Old 05-17-2013, 12:53 PM   #16
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Oh yeah I'll be going that way. They just called and said with Yukon 4.56 front and rear, shop supplies and oil included a grizzly locker. $2900

$2400 without. Guess I've been getting ripped off. Thoughts?
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Old 06-10-2013, 09:07 PM   #17
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Btw. I spent $600 on a Traildash. Love the results. With the gas mileage increase this is one investment is recommend that'll pay for itself in a couple months.

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