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Dana 60
Jul 14, 2007 23:37:45 GMT -5
Post by enderusaf on Jul 14, 2007 23:37:45 GMT -5
Ok, so I bought a D60 axle today and brought it home and opened her up. After pulling the axle shafts it looks like it's an older D60 since it was a 16 spline axle shaft. Now from what I hear the 16 spline and the 30 spline are the same diameter. Anyone know if this is right. Also if I do upgrade to a 30 spline what all am I going to have to replace. I'm guessing the carrier, and gears. Gears needed replacing anyway from what I was told. It looks to have some traction device in it but since I'm an axle noob I can't tell what kind. I'll put up some pics later though. I'm gonna try and build it up right if it's worth building on and just do it over time. So I'm not too worried about price. I'll probably upgrade everything anyway. So can anyone tell me if it's even worth building on?
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Dana 60
Jul 14, 2007 23:54:38 GMT -5
Post by Archangel on Jul 14, 2007 23:54:38 GMT -5
Rob,
I believe that your correct in your thinking about the diameter of the shafts. However, other than that, I know little about the variants of D60's out there. I'd recommend getting Pirate and asking around and just doing some homework. I do recall a thread a long time ago regarding the 16 Spline D60, however, a search turned up nothing just moments ago.
Let us know how it goes and I look forward to the build thread.
James
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Dana 60
Jul 15, 2007 14:06:06 GMT -5
Post by enderusaf on Jul 15, 2007 14:06:06 GMT -5
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Dana 60
Jul 15, 2007 17:55:44 GMT -5
Post by enderusaf on Jul 15, 2007 17:55:44 GMT -5
Now if I bought new gears for this axle, and just kept the 16 spline shafts in there for now, would I have to buy all new gears later on down the road if I upgraded to the 30 spline shafts? I know I wouldn't be able to use the locker that's in there right now, but would the gears still be usable or would I have to get new ones?
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Dana 60
Jul 15, 2007 18:06:51 GMT -5
Post by enderusaf on Jul 15, 2007 18:06:51 GMT -5
Well, I think I'm gonna go with 30 spline shafts and put in a full spool since it's cheap and effective.
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Dana 60
Jul 15, 2007 19:08:16 GMT -5
Post by Archangel on Jul 15, 2007 19:08:16 GMT -5
Sounds like a good plan to me...From what I see in the pictures, thats either a limited slip, or possibly a full case detroit...not sure.
Edit: I'm really not sure what kind of traction device that is....more I look it, the more I'm unsure of it.
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Dana 60
Jul 15, 2007 23:02:56 GMT -5
Post by bigredxj on Jul 15, 2007 23:02:56 GMT -5
Just FYI...You're right, the D60 16 spline & 30 spline shafts are both 1.31" dia. The semi-float versions were 1.50" 35 spline. The full floaters were 16 spline up to '75, then went to 30 spline. On the 16 spline versions, the only factory available traction aid was the Powr-Lok (probably what you have).
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Dana 60
Jul 16, 2007 1:41:22 GMT -5
Post by enderusaf on Jul 16, 2007 1:41:22 GMT -5
Just FYI...You're right, the D60 16 spline & 30 spline shafts are both 1.31" dia. The semi-float versions were 1.50" 35 spline. The full floaters were 16 spline up to '75, then went to 30 spline. On the 16 spline versions, the only factory available traction aid was the Powr-Lok (probably what you have). Yeah, I did the research and came to the same conclusion that it's a powr-lok. Now my question is how much of a strength difference do you think there is between the 16 spline and 30 spline axle shafts? Since both are 1.31 in diameter I've heard that going to the 30 spline really isn't a huge upgrade.
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Dana 60
Jul 16, 2007 10:17:02 GMT -5
Post by bigredxj on Jul 16, 2007 10:17:02 GMT -5
Well, the shaft diameter is only part of the equation. There is a considerable strenght difference between the 16 & 30 spline shafts - you're spreading the load out on almost double the surface area with the 30 spline version. Granted, you may not realize the benefit depending on what size tire you're planning on running. Something relatively small like 35s aren't pushing the limits of the axle, and you'd probably be able to get away with the 16 spline shafts. If you're running something like 40s - 44s, then 30 spline shafts are a necessity, at a minimum.
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Dana 60
Jul 16, 2007 13:05:27 GMT -5
Post by enderusaf on Jul 16, 2007 13:05:27 GMT -5
Well I'm planning on running 37's. What I think I might do to save money, and time needed to get this in the XJ is just to wheel it with the 16 spline shafts until it finally gives way, then when it does finally give out It will be a good excuse to tell the wife that I need to bore out the axle to fit 35 spline shafts. ;D
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Dana 60
Jul 18, 2007 2:02:36 GMT -5
Post by bigredxj on Jul 18, 2007 2:02:36 GMT -5
An XJ w/ a D60 rear - that's gonna be sick!
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Dana 60
Jul 18, 2007 14:44:58 GMT -5
Post by enderusaf on Jul 18, 2007 14:44:58 GMT -5
Anyone know of any good machine shops that woudl be able to bore out my axle to 1.50 if I did decide to go that route to fit the 35 spline shafts?
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Dana 60
Jul 19, 2007 0:36:28 GMT -5
Post by bigredxj on Jul 19, 2007 0:36:28 GMT -5
You shouldn't have to do any machine work to the axle housing - the inside diameter of the axle tube is more than large enough. You'd need to get a locker (or LS) meant for 35 spline shafts, and different spindle bearings for the larger diameter of the shaft (so long as the inside diameter of the spindle is large enough).
If you get flanged axles, that's about all you'd need. If you get shafts w/ both ends splined, then you'd need either drive flanges or lockout hubs.
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Dana 60
Jul 19, 2007 2:10:58 GMT -5
Post by K5 on Jul 19, 2007 2:10:58 GMT -5
If you get flanged axles, that's about all you'd need. If you get shafts w/ both ends splined, then you'd need either drive flanges or lockout hubs. The 60 that he has is a rear ;D. As far as having to bore out the axle housing I don't think you would have to as long as the shafts aren't any bigger.
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Dana 60
Jul 19, 2007 9:49:59 GMT -5
Post by enderusaf on Jul 19, 2007 9:49:59 GMT -5
the 16 and 30 spline shafts are 1.31, however the 35 spline shafts are 1.50 in diameter.
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Dana 60
Jul 19, 2007 19:38:35 GMT -5
Post by bigredxj on Jul 19, 2007 19:38:35 GMT -5
The 60 that he has is a rear ;D. [/quote]
Understood...I guess I should have clarified. If he keeps the (presumably) stock drums, then he'd have to get flanged axles. If he did a disc conversion, then he'd probably have to get drive flanges or locking hubs.
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Dana 60
Jul 19, 2007 22:04:53 GMT -5
Post by K5 on Jul 19, 2007 22:04:53 GMT -5
The 60 that he has is a rear ;D. gotcha
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