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Thread: Regearing

  1. #1
    Newbie YellowNotARubi's Avatar
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    Default Regearing

    Im looking for some advice on the best coarse of action to take on my 2008 X 6speed. Im going with 35's on stock 17s and 1.5 wheel spacers and curious what would be the best way to regear.
    Been looking at either a set of 4.56 or 4.88 for my stock D30 front and D44 rear and lockers. The gears themselves arent the money issue but the installation. Thought about learning how to do it and doing it myself, or just saving and having them installed.
    Or i could maybe find some junkyard rubi axels and using them but again dont know how that setup would work.
    Overall i want the axels not to be stressed while offroad and keep some road manners(daily driver) and get some kind of lockers out of the deal.
    Thanks in advance
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    G.I. Grandpa SGM O's Avatar
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    4.56 gears will work fine, 4.88 will give you better acceleration, but higher rpms at hightway speeds so your mileage may drop. As for doing the gears your self vice paying some one. I have always paid to have some one do it, but if you know some one who has done it maybe they can help you through it, but I have never wanted to risk screwing up my daily driver or having a weekend project turn into a multi week project and be with out my Jeep because I screwed it up.

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    Land Squid Jeffb_79's Avatar
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    First off... if you've never done them before or don't have someone very knowledgeable to help you, don't waste your time and money on attempting them yourself. If you have donor axles to practice on, then go for it. I wouldn't attempt my 1st time on my rig though.
    As for ratio's... I'd go 4.56's if you see a decent amount of highway driving. 4.88's if it's mainly city and offroad.
    Definitely do the lockers with the gear install, it'll save you. For lockers I usually recommend an aussie in the front and a selectable in the rear (ox or arb).

  4. #4
    Newbie YellowNotARubi's Avatar
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    thanks guys. Great advice. keep it coming. 4.56 sounds good
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    Zombie Slayer... JoeySnow70's Avatar
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    Quote Originally Posted by SGM O View Post
    I have always paid to have some one do it, but if you know some one who has done it maybe they can help you through it, but I have never wanted to risk screwing up my daily driver or having a weekend project turn into a multi week project and be with out my Jeep because I screwed it up.
    Quote Originally Posted by Jeffb_79 View Post
    First off... if you've never done them before or don't have someone very knowledgeable to help you, don't waste your time and money on attempting them yourself. If you have donor axles to practice on, then go for it. I wouldn't attempt my 1st time on my rig though.
    I ageree 100% with both posts... Regearing is not a project for a novice mechanic. Seting up a gear set is pricey because is a time consuming job and it have to be done very tight tolerances. Also you need some shop equipment that your average mechanic dont have... Just my .02

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    Land Squid Jeffb_79's Avatar
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    Also... don't take it to just any shop.
    Ask around in your aor and find a shop that has done this for a large number of people that haven't had any problems. You don't want to have to do this twice if they screw up.

  7. #7
    Senior Member CutterN55's Avatar
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    Agree with above posts. 4.56 is your best bet and will put you closer to stock ratio with the bigger tire. 4.88 would be kewl... but highway driving sucks and you'll be using gas like flushing a toilet. Also when you gear big like that, you need to consider axle strength. Big tires and big gears, with stock axles = broke axles on the trail quite often. Doing gears is one thing I won't do at home and I do pretty much everything. Not something you want to jack up. Better off paying to have it done at a reputable shop you trust. Learn to do gears on J-yard axles. Then you can put your 4.88's in dana 44's! My .02
    Last edited by CutterN55; 09-10-2009 at 09:51.
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    I put my vote at 4.56's rather than 4.88

    4.88 will probably put your RPM's a little higher than you like above 50mph.

    lockers... if you can do them now, do them. I would vote for e-lockers over ARB.

    Ox are good, but the cables can bind / break easily and melt if you get them near the exhaust. this is very common.

    ARB lockers are cool, but notorious for problems in the relays or pump. they seem pretty foolproof but I have seen a crapload of them shat out on the trail for no good reason.
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    See Ya There!! Shadow's Avatar
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    Pretty sure you have 3.55 gears factory. This is going to require you to get new carriers at min. if you don't get some sort of full carrier locker. Just something else to think about.

    As stated before re-gearing can be a pita. You can get away with just the basic list of special tools: calipers that measure to the thou., a dial indicator gauge with magnetic or clamp base, a torque wrench (250 ft/lb), pry bars, and some brass drifts. Setup bearings make things a lot easier! Be patient and constantly re-check you shim stacks. It takes me a day to complete and that includes pulling the axle and reinstalling it. So if your not ready for all that take it to a shop you trust.
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    Newbie Big Wheel Bob's Avatar
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    Hi all, I have been lurking here for sometime and just wanted to let everyone here in our area know, we do do gears!, and alot of them! lol! If you have any specific questions dont hessitate to pm me. thanks, Bob.
    "Please support your local 4 wheel drive shops!"

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