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post #1 of (permalink) Old 09-22-2005, 09:54 PM Thread Starter
 
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Dana 60 too much?

I have a lead on a complete rear D60 axle - 4.10 gears, axles, brakes, yoke, etc. The guy wants $100, which seems pretty good. I would have to narrow it from 66" to probably 58-60". Anyway, my little CJ5 is running 35's on a Rubicon Express lift. Is that way too much axle for me??
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post #2 of (permalink) Old 09-22-2005, 10:05 PM
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Re: Dana 60 too much?

Yes its probably too much, and not all D60's are created equal. I don't know much about them, but post the year and vehicle it came out of here and people can help you out.
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post #3 of (permalink) Old 09-22-2005, 10:15 PM
 
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Re: Dana 60 too much?

How can you have too heavy-duty of a component? I know someone that runs a dana 60 rear in a cj with 35's and it is nice, he hammers on it and never breaks anything. The only downfall i can think of is that a dana 60 will be heavier, and have less ground clearance then a smaller axle.
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post #4 of (permalink) Old 09-22-2005, 10:43 PM Thread Starter
 
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Re: Dana 60 too much?

You pretty much hit on the "too much" I am concerned with - weight and and ground clearance. I was really only looking for a D44, but this came up first and it got me noodling. I would hate to go really overkill. I tend to finesse more than hammer, so I don't know if the weight penalty is too great and I'm not sure how much clearance I am loosing.
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post #5 of (permalink) Old 09-22-2005, 10:53 PM
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Re: Dana 60 too much?

A 30 spline SF D60 doesn't weigh much more than any half ton axle. A 35 spline FF D60 weighs about 110lbs more than a rear D44. The clearance on them isn't that bad. Only about an inch worse and you can make up for it with an angle grinder.

I wouldn't bother with a 19 spline FF or a 30 spline FF. Not really worth it because of all the added weight on top of only having the same size shafts as a D44. A 30 spline SF would be alright because it's light and strong (plus cheap) but it still has C-clips. I'd definitely go with it if it happens to be a 35 spline FF.
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post #6 of (permalink) Old 09-23-2005, 05:21 AM
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Re: Dana 60 too much?

I agree ... how can you have too much axle? Peace of mind and confidence in components goes a long way. My yj getting a rebuild and I decided to do it up as strong as possible so its getting a 14 bolt boat anchor in the back. Got a cherokee 44 on the shop floor but its going in the cherokee now. Look at parts avail and costs. You'll likely want disc brakes on the back.

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post #7 of (permalink) Old 09-23-2005, 07:39 AM
 
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Re: Dana 60 too much?

The weak link in most cases is the axle shafts.
Even in a Full Floater 60 the 30 spline shaft is no beefier than a D44.

Pros:

It is a Full Floater, so the shaft only has to transmit torque to the wheels it does not have to carry the weight of the vehicle. So it is inherently a little stronger than the D44.
If you are running a locker, breaking a shaft doesn't leave you on the side of the trail, and it is so much easier to swap a broken shaft in a FF axle.

Cons:

Heavier = more unsprung weight
More expensive to build or fix
Harder to find parts for in the middle of BFE
Less ground clearence.
(Yes you can grind it, but you can also grind a D44)

Most are a lot wider than the companion front axle you will likely run. So you will have to narrow it.
= custom shafts
= better have them make you some spares

Personally - Up to 36" or so I'd run a D44.

Now, I am in the minority as I believe SWB Jeeps do what they do best, because they are nimble. If you want to make a 3/4 - 1 ton truck outta your CJ....
Go with the biggest axles you can find/afford.
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post #8 of (permalink) Old 09-23-2005, 08:50 AM
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Re: Dana 60 too much?

Yup, 30 spline 60 and 30 spline 44 have the same size shafts.
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post #9 of (permalink) Old 09-23-2005, 09:25 AM
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Re: Dana 60 too much?

Way too much.....give me the info so you don't have to worry about the hassle.
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post #10 of (permalink) Old 09-23-2005, 09:44 AM
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Re: Dana 60 too much?

Haven't heard anyone mention wheels? If it's a SF, you can maybe get custom axles and retain 5 on 5.5? If it's a FF, can you do it? Would you need to go with different wheels?

I have no clue [img]/ubbthreads/images/graemlins/grin.gif[/img], just saying that nobody has mentioned wheels.

Even if you don't use it, buy it, and sell it for profit. [img]/ubbthreads/images/graemlins/cool.gif[/img]

Pete
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