Rear Dana 60 vs Dana 80 for towing

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    Rear Dana 60 vs Dana 80 for towing

    Hello all. Here is my hauler project. It's a 49 Chevy 3800 body sitting on a 2001ish Dodge Ram 2500 4x4 chassis. It has a 5.9 gasser, built 46re, NP241 HD and Dana 60's front and rear. The truck has 4.10 gear and a LSD in the rear. It's sitting on 235/85r16 tires. The most I'm planning on pulling with it right now is my 4000lb turbo C10 race truck + 2000lb car hauler. But I'd like to have as much capability as I can.

    The Dana 60 has a problem with the crush sleve or pinion spacers. I haven't torn into it much. I'm about 99% sure it's going to need new gears and a rebuild. Here's a video of what it does. https://youtu.be/K6R7YM-ySfI

    I have a line on a free 2nd gen Ram Dana 80, but it would need gears, a LSD/locker and driveshaft mods to get me back to where I am with the 60. Is the Dana 80 worth the parts and time cost for this combo? Or will I be severely limited by the engine/chassis before the Dana 60 becomes the weak point?

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    #2
    Between pick and pull yards, FB marketplace, and CL around here rear axles are really worth about a dime a dozen. Id just look for another axle. I have a few disc brake 8 lug FF rears that I can't give away.

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      #3
      A Dana 60 is plenty for what you are talking about doing. A Dana 80 is just unnecessary weight. As ChiScouter mentioned though, one ton rear ends go for <$200 all day around here and 4.10 is a very common factory ratio, so you could very easily swap another axle in for the same price or less than putting gears in the Dana 60.

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        #4
        If you’re building a tow rig, and the axles free, no reason not to build the 80. A 60 with problems is scrap, an 80 needing a rebuild is the way to go.

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          #5
          go down to wrench-a-part or any other JY and pick up a FF disc rear with 4.10s for <$200.

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            #6
            I have 6 14B's here, with disk brakes and 4.10s, good LSD's. Can't sell them for 200 each.

            I'd get a good axle

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              #7
              Originally posted by Grendel View Post
              I have 6 14B's here, with disk brakes and 4.10s, good LSD's. Can't sell them for 200 each.

              I'd get a good axle
              Where is here? I'll take them all if you're giving them away.
              @DobermanRacing

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                #8
                Dont guy you know either will work fine but with the D80 you get twenty more Danas.
                Last edited by PAE; 07-01-2020, 11:35 AM.

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                  #9
                  Dana 80 is just like the 14b. "install and forget it" axle. Dodge's D60 & D70 suck, at least on 94-02 2nd gen Rams.

                  Unbolt & scrap the D60. swap that D80 in and move on & focus on racing lol

                  Get rear drive shaft from same truck if possible, or look for a 2nd gen 2500 (V-10 or diesel with manual trans) or 3500 (all came with D80, regardless of engine or transmission configurations) with D80 rear axle at least and swap out the rear portion of 2-piece drive shaft.

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                    #10
                    The 46RE is already the weak point...
                    Mrs CSR said I was good, or something.

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                      #11
                      Originally posted by Doberman Racing View Post

                      Where is here? I'll take them all if you're giving them away.
                      NH. Come get them before I scrap them. I have 3 left.

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                        #12
                        Originally posted by DRTDEVL View Post
                        The 46RE is already the weak point...
                        Hopefully mine is less so. It's got an upgraded low/reverse servo, oversize accumulator/piston, an upgraded band strut, full fairbanks shift kit and a fresh rebuild. If it gives me any trouble I'll pull it down and build it again with 47/48RE parts. I originally built it for my ZJ to replace a 44RE so at the time I didn't feel the need to increase clutch pack count.

                        Honestly this 46RE shifts better than the Th400 that's in my turbo c10. I guess we'll see how it holds up.

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                          #13
                          The consensus seems to be start looking for a good price on a used Dana 80. I've got time. the truck doesn't make any noise and drives fine despite the play in the axle. I'm going to finish my project and watch for a good deal on a 1-ton axle and swap it in when the time is right.

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                            #14
                            Originally posted by americanmusc1e View Post
                            The consensus seems to be start looking for a good price on a used Dana 80. I've got time. the truck doesn't make any noise and drives fine despite the play in the axle. I'm going to finish my project and watch for a good deal on a 1-ton axle and swap it in when the time is right.
                            If you're going with a bolt in 80, at least grab a 01.5-02 with disc. Every diesel ricer wants one and they demand a premium, along with all the parts more expensive.

                            Just buy a newer 14B or AAM.

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                              #15
                              Originally posted by TRINDU View Post

                              If you're going with a bolt in 80, at least grab a 01.5-02 with disc. Every diesel ricer wants one and they demand a premium, along with all the parts more expensive.

                              Just buy a newer 14B or AAM.
                              Got it. I'm sure I can find a 14BFF or AAM easier. I don't know why I was thinking it had to be a Dodge Dana 80.

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