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post #1 of (permalink) Old 09-22-2010, 04:49 PM Thread Starter
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Chevy Axle swap for a 89 yj

I have an 89 yj w/ a small block 400. I also have a set of 3/4 ton axles out of a older chevy truck that I would like to use on my yj. The front is dana 44 the rear is dana 60. I have the trans case and all. Just looking for some do's and don'ts and what is the best way to hook up the steering for it. Thanks
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post #2 of (permalink) Old 09-22-2010, 06:56 PM
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Are you going to be at stock height, on lift springs or spring over? If spring over, you should hook the steering linkage to arms bolted to the top of the knuckles, commonly called a high-steer setup. It's all been done many times, and there's plenty of information about it here and on other websites. You can go here for plenty of examples of how not to do it. Scary Steering!

If you're going to leave it at stock height you can use the stock steering geometry by doing some machining on the steering arms. There are a couple pictures on my website.

If you're going to use lift springs . . . well, just dont.

EVERYTHING's easy for the guy who doesn't have to do it.
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post #3 of (permalink) Old 09-22-2010, 07:46 PM Thread Starter
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The axles are already set up for axle over lift, bought them that way.
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post #4 of (permalink) Old 09-22-2010, 08:25 PM
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I presume you mean spring-over.

So the next question, does it have flat-top knuckles?

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post #5 of (permalink) Old 09-23-2010, 04:38 PM Thread Starter
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yes I meant spring over, and no unfourtunately it does not have flat top knuckles, and like many others i am on a strick budget. I bought the jeep for a good price and the deal that i got on the axles almost paid for themsevles. So if there is a way to get a high steer set up on a budget i will try.
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post #6 of (permalink) Old 09-23-2010, 05:10 PM
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There are ways to do it, but I can't recall ever seeing a good way. As with so many things, there's more to it than meets the eye.

EVERYTHING's easy for the guy who doesn't have to do it.
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post #7 of (permalink) Old 09-24-2010, 01:48 PM
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Chevy Dana 60 rear? I think they may have used them in older trucks, if that's the case it will be a corse splined boat anchor. If the front 44 matches the older rear it will probably be a closed knuckle drum brake waste of space.

As far as steering you can use a z linked drag link to the passanger side in the steering stablizer hole but it's not recomended. Spend the money on a flat top and high steer arm. Origially they were set up for a short drag link on the driver's side and a goofy looking steering arm.

Also plan on building a traction bar or buying new leafs/ drive shaft u-joints reguralally.

Step back, save your pennies, do some more research and do it right. I've done too many "strict budget" builds that have turned out to be disasters
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post #8 of (permalink) Old 09-26-2010, 10:24 AM Thread Starter
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The front axle is 1976 dana 44. the rear is a 1971 20 series dana 60
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post #9 of (permalink) Old 09-26-2010, 11:49 AM
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The 76 front axle isn't bad, the goofy big external hubs are expensive if you ever need to replace one and clearing 15's might be a challange.

Pull a rear shaft, if it has less than 30 splines go pick up a different rear axle. Depending on tire sizes a 14 bolt would be a better axle, otherwise a ford/ dodge 30 spline 60 would work.
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