Axle swap questions - JeepForum.com
 
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post #1 of 12 Old 05-24-2015, 08:38 PM Thread Starter
BaileysZJ
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Axle swap questions

Did a quick search on the forum and didn't find much. I have a couple questions about axle swaps/upgrades.. Which axles should I be looking for? How hard is it to do? What gears should I swap to (to match the gears)? How hard is it to do a gear job? I currently have a D30 and D35 all stock. Thanks!

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post #2 of 12 Old 05-24-2015, 09:14 PM
riot1987
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What tires do you want to run?
Can you weld?
Do you have access to tools?
How much do you want to spend?
Whats your plan bud?


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post #3 of 12 Old 05-24-2015, 09:57 PM Thread Starter
BaileysZJ
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Well I'm pretty much a weekend warrior but I can do some pretty decent welds. I'm currently running 31s. My plan is to atleast get rid of the dana 35 and maybe do a truss on my 30? Lockers would also be nice. I have access to a pretty decent amount of tools, and I don't have a set budget as of yet. I can always do some saving.
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post #4 of 12 Old 05-24-2015, 10:15 PM
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You may want to learn/ search a bit more. Look at peoples builds to see what they have done. You definitely want to know what youre doing before you try to weld axles under your Jeep. No offense or nothing man. You can swap a D44 in the rear, its a direct swap. Your D30 will hold up pretty well up to 33's. Much more and issues will be more apt to rise. Im running an 8.8 rear and soon a D44 up front. Pick your tire size and build around them.


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post #5 of 12 Old 05-24-2015, 10:18 PM
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You can polish up a 30 but the bottom line is the internals are a bit small for bigger tires. The only way to get around that is to go with a heavier axle which may or may not be worth your effort depending on the tire size you want to run


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post #6 of 12 Old 05-24-2015, 10:19 PM
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Setting up gears takes knowledge, tools, and patience. Not something you just throw in unfortunately.


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post #7 of 12 Old 05-24-2015, 10:22 PM
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For 31's to 33's stock axles are fine, when you break the turdy-five swap in an 8.8. 35's is pushing it on stock.

For 35's - 37's you're into 3/4 ton territory. Dana 44 up front and 8.8/9" in back or similar.

37's up and you need tons, dana 60 up front and whatever full floater floats your boat in the back.


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1984 F250, 460 BB, T19, work truck/future tow pig
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post #8 of 12 Old 05-24-2015, 10:29 PM Thread Starter
BaileysZJ
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OK thanks guys. I'll just keep my eyes open for some easy direct swaps from the junkyard and check out some more builds. Thanks again!
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post #9 of 12 Old 05-25-2015, 12:42 AM
kg6mov
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The only direct swaps are the front axle out of an XJ or a TJ, the XJ is an HP30 vs the LP30 you have. The TJ rubicon has a lp d44 with d30 outers.

Nothing else is a direct swap. TJ/XJ rear ends won't bolt up.


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1984 F250, 460 BB, T19, work truck/future tow pig
1987 Mercedes 300D Turbo, the diesel daily, 30mpg in style

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I heard someone yell "mall crawler" from the back porch. I'll go see who said that. Be right back.
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post #10 of 12 Old 05-25-2015, 06:44 PM Thread Starter
BaileysZJ
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Damn. Well I might just keep the stock axles then
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post #11 of 12 Old 05-25-2015, 07:12 PM
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The rear isnt bad. Building a good front axle for one of these is a lot of work to do it right. Steering linkage should be addressed, front brakes, track bar relocation, gearing, it all adds up fast. Im not saying don't do it but just know what youll be getting into.

You dont swap a front axle in unless you pay UBER bucks to someone to make it for you, you have to build one


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post #12 of 12 Old 05-25-2015, 08:08 PM
kg6mov
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Yeah, and if you're gonna end up on tires that require a real axle I suggest you start looking now. You can collect parts and build slowly while you wheel the stock axles, but once you break the stockers you'll have some monetarily painful decisions to make.


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1984 F250, 460 BB, T19, work truck/future tow pig
1987 Mercedes 300D Turbo, the diesel daily, 30mpg in style

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I heard someone yell "mall crawler" from the back porch. I'll go see who said that. Be right back.
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