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#26 | |
Registered User
![]() Join Date: Nov 2008
Location: Montrose. Colorado
Posts: 58
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Re: Dana 60 1/2 ton rearend
Quote:
I think you're right on the spline count being really low, like 16 or something on some of them. I am actually going to change everything inside to upgrade for Moser 35 spline axles and take the opportunity to change it back to 5 on 5" pattern too. Do you get up to Western Colorado Dragway much?
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71 GMC C15 swb 71 K5 Blazer 72 K10 Woodhauler 89 Suburban 13 Duramax |
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#27 |
its all about the +6 inches
Join Date: Jan 2001
Location: Hilliard Ohio
Posts: 2,693
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Re: Dana 60 1/2 ton rearend
It was automatic in a BB 3/4 ton truck, and few came with the eaton. Auto, or manual.
Last edited by Longhorn Man; 02-09-2010 at 08:05 PM. |
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#28 |
"Trucks with Class"
![]() Join Date: Jul 2000
Location: OLYMPIA, WA, USA
Posts: 8,132
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Re: Dana 60 1/2 ton rearend
I've got two of those dana 60 1/2T rearends. One is a 6-lug, leaf, 3:54 posi and the other is a 6-lug, coil, 3:73, open. The 4x4 guys really like those, but they always have to be re-geared.
I think the coil unit came out of a '66 carry all? They have been outside under tarps for years, so they may not be so good anymore. I never figured out what to do with them, so I just saved them. The brakes are those wierd offset drums, like on dana 44, and I don't think you can get new drums anymore. |
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#29 |
Eat My Rust
Join Date: Jan 2007
Location: Cypress, Texas
Posts: 3,362
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Re: Dana 60 1/2 ton rearend
My truck also had the 6 lug D60, it's a beast of an axle. Long story short, the spider gear shaft lock screw was broken off in the carrier, so there was no way I could pull it apart to replace the axle bearing
![]() It makes the 12 bolt look like a sissy though. And my truck is a factory 350, TH350 half ton. Last edited by texanidiot25; 02-13-2010 at 08:27 PM. |
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#30 |
its all about the +6 inches
Join Date: Jan 2001
Location: Hilliard Ohio
Posts: 2,693
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Re: Dana 60 1/2 ton rearend
how can it make a 12 bolt look like a sissy... when it's broken from just a 350?
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#31 |
Eat My Rust
Join Date: Jan 2007
Location: Cypress, Texas
Posts: 3,362
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Re: Dana 60 1/2 ton rearend
Motor didn't break it.
![]() Broken off hardened steel screws in the diff means you can't pull the axles to replace wheel bearings. You can thank some PO for that fine work on my diff. Put them side by side... D60 looks a lot beefier than the 12 bolt. Last edited by texanidiot25; 02-14-2010 at 12:36 AM. |
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#32 |
its all about the +6 inches
Join Date: Jan 2001
Location: Hilliard Ohio
Posts: 2,693
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Re: Dana 60 1/2 ton rearend
got it.
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#33 |
Eat My Rust
Join Date: Jan 2007
Location: Cypress, Texas
Posts: 3,362
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Re: Dana 60 1/2 ton rearend
Haha yeh, you can imagine how annoyed I've become with this. Should've taken no more than 2 hours to do both sides! But can't break the shaft out, can't drill the screw (broken a lot of bits trying, doesn't help you can't hit it straight on), and it strips out easy-out bits
![]() And now the 12 bolt I threw in has it's on problems fitting. Know where I can find a longer panhard-bar stud for the axle? |
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#34 |
Registered User
Join Date: Jan 2006
Location: Grand Jct.,CO
Posts: 59
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Re: Dana 60 1/2 ton rearend
71Bowties, I haven't been to the dragstrip much in the past couple of years. I need to get up there and play with both of my trucks. My '72 needs tuneda tad more then I can see what difference the engine mods have made. I would really be curious to see what my 4x4 does now, too. I usually go with Pat from Western Alternator whom might know from Montrose.
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#35 |
Registered User
![]() Join Date: Nov 2008
Location: Montrose. Colorado
Posts: 58
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Re: Dana 60 1/2 ton rearend
I know Pat well. I was actually going to stop by and see him today to see if he might be interested in a trailer that I have for sale. That guy is a 12v guru for sure. Hopefully we can do some racing this summer if I can get one of my projects done.
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71 GMC C15 swb 71 K5 Blazer 72 K10 Woodhauler 89 Suburban 13 Duramax |
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#36 | |
Registered User
Join Date: Dec 2007
Location: Nanaimo B.C.
Posts: 604
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Re: Dana 60 1/2 ton rearend
Quote:
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I was hooked on these trucks since 1982 when I drove my budys fathers 1968 Custum GMC 396 automatic dana 60 rear with a power lock diff what a ride more fun then we will we can ever tell!! |
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#37 |
Registered User
Join Date: Jul 2009
Location: Russellville, Arkansas
Posts: 1,699
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Re: Dana 60 1/2 ton rearend
Try some machine shops or specialty weld shops. We used to use a special plasma cutter to remove stuck bolts and studs on pumps and valves that were no longer available in the Navy. If the guy was really good with it you could just run a tap down and clean the slag out of the threads. I was amazed sometimes.
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#38 |
Registered User
![]() Join Date: Nov 2008
Location: Montrose. Colorado
Posts: 58
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Re: Dana 60 1/2 ton rearend
Here are some pictures of the D60 after a good sandblasting and painting. I am going to tear it down tonight and see what I can work out for a brake upgrade.
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71 GMC C15 swb 71 K5 Blazer 72 K10 Woodhauler 89 Suburban 13 Duramax Last edited by 71Bowties; 02-17-2010 at 07:57 PM. |
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#39 | ||
just can't cover up my redneck
Join Date: May 2004
Location: Columbus OH
Posts: 11,414
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Re: Dana 60 1/2 ton rearend
Quote:
In a "semi floating" axle, the drum and wheel are attched to a flange on the end of the axle itself. The axle holds the weight and drives the wheel. In a "full floating" rear end, the drum is connected to a hub that is mounted to a spindle, which is very much like the front axle of a 4x4. This spindle/hub combination holds the weight of the vehicle and the axle just provides the drive. You can litterally remove the axle w/o jacking the wheel off of the ground.
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