DIY Driveshaft Tech

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    DIY Driveshaft Tech

    Can we get a good resource going for what people are building for driveshafts? Square, Round, Poop Pipe ect. I'm trying to figure out driveshafts for my low buck F250. Would be awesome to have a database of some basic dimensions and joint sizes of factory donor shafts as well as how people are building them.
    88 Ford F-turd50 IDI Crawler

    #2
    Most I see on cars, trucks these days are round with a out .120 wall tube.

    Talk to Jess at HID Paradise Calif.

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      #3
      In before the "square" crap.

      let's add ag slip splines in here.
      83, 22re,w56,ultimate duals,4:10 \31" arbs.
      hopes to grow up someday

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        #4
        Originally posted by PAE View Post
        Most I see on cars, trucks these days are round with a out .120 wall tube.

        Talk to Jess at HID Paradise Calif.
        Jess makes a really nice product but that is not the purpose of this thread.
        88 Ford F-turd50 IDI Crawler

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          #5
          I’ve found the older Super Duty’s, 99-04ish have the best selection for 1 ton donor shafts.

          most fronts are 1350 with a slip in the shaft, some are double cardon and/or flanged on the case side. Some rears are 1410 and flanged at both ends. I think it depends on trim level for what they get. I always look to the Ford isle at the pull a fart when on the hunt. They are are long enough that simply cutting them down works out well for Jeep/Buggy applications and they can be had for $40-$60.

          More up the budget ladder I have a driveshaft shop that sells the Spicer yokes, slips, flanges, etc. When going that route I like to use .120 or .188 wall depending on the application.

          I’ve always set my stuff up so the driveshafts are my “fuse” they’re the easiest to swap on the trail and shredding the occasional $50 junkyard shaft doesn’t hurt the wallet.

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            #6
            For years I ran square tube on my old Toyota. The truck was offroad only, but still saw speeds up to 45mph if we were running across a frozen lake.

            2x2 ID and 2x2 OD in a .25 wall

            Make sure to get seamless 2x2 ID or be prepared to grind a relief in your male shaft.

            My only complaints were that they were heavy as hell, and if you had one sitting on a rock it wouldnt spin nicely like a round one would. I never broke one however.

            On a budget truck that doesnt see the road, square tube is a good choice.

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              #7
              Originally posted by Brecklin View Post
              For years I ran square tube on my old Toyota. The truck was offroad only, but still saw speeds up to 45mph if we were running across a frozen lake.

              2x2 ID and 2x2 OD in a .25 wall

              Make sure to get seamless 2x2 ID or be prepared to grind a relief in your male shaft.

              My only complaints were that they were heavy as hell, and if you had one sitting on a rock it wouldnt spin nicely like a round one would. I never broke one however.

              On a budget truck that doesnt see the road, square tube is a good choice.
              I have had my beater wig with square tube driveshafts up over 65 MPH, and was really surprised how smooth they are. Of course, I am running 38" tires with 4.10 gears in the axles, so the driveshaft speed are relatively low compared to vehicle speed. It came with the square driveshafts when I bought it, and in the past I would have never considered square driveshaft, but these work so well that for a pretty much trail only rig, they aren't a bad option. 4 spline shafts for the win!

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                #8
                I just hunted around a scrap driveshaft pile until I found the yoke and a slip I needed with a 2.5 od shaft attached. Slid them into 2.5" schedule 40, phased them with a level and used my eyeball dial indicator while spinning it installed in the rig to straighten. First run is this weekend I've only had it up to maybe 20mph so far but seems ok

                Edit: Trail only rig

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                Last edited by Hyde; 06-11-2020, 12:50 PM.

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                  #9
                  LongDong Fab

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                    #10
                    Got this idea off the other site years ago. Took a couple thirty spline dana 60 stub shafts and turned a shoulder on the base of the yoke to press fit on this .180 wall dom rem I had in the rack. I used a 1/2” thick i.d drop and bored a hole to match the diameter to a press fit. I turned the od down to match the front output flange.

                    You gotta be careful to have enough clearance on the back side of the flange to clear the output shaft nut. I welded it all together mounted in the lathe using a couple steady rests. I don’t have any better pictures lost them to the photobucket disaster. The other end is a off the shelf spicer 1350 slip yoke.

                    The setup has been in the truck for 7 or so years. The most expensive item was the np205 flange.
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                      #11
                      I rocked Sched 40 on my Samurai. Honestly though, I think driveshaft problems were the least of my worries.

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                        #12
                        Originally posted by Massxj View Post

                        Here is a super short one made out of all normal parts.

                        I needed something 12.5 inches for my flat fender build. 1310 double cardon bored to fit transfer case stub shaft. Tig welded and then driveshaft slip section with the forged yoke for the axle end..
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                        Most of the jeep driveshafts I build are 1/4 wall so you don't have to worry about where you may rub your shaft
                        Attached Files

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                          #13
                          For Toyota driveshafts 2.5 Sch80 pipe works great. Cut the OEM end of carefully and clean them up. They fit the ID of the 2.5 in just about right. From there true them up and burn em in.

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                            #14
                            Toyota yokes, 1.5 .120 wall DOM

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                              #15
                              Originally posted by Hyde View Post
                              I just hunted around a scrap driveshaft pile until I found the yoke and a slip I needed with a 2.5 od shaft attached. Slid them into 2.5" schedule 40, phased them with a level and used my eyeball dial indicator while spinning it installed in the rig to straighten. First run is this weekend I've only had it up to maybe 20mph so far but seems ok

                              Edit: Trail only rig

                              Click image for larger version Name:	IMG_20200518_075438984_HDR.jpg Views:	0 Size:	467.5 KB ID:	36124








                              A quick and easy phasing trick I picked up the last time I was in a hurry is to take a few/4 sockets that just hit the caps and a piece of .25 wall box and kinda slip it all together and get it all flat with the box...It does 2 things

                              First off it gets it tits on for indexing and secondly while not perfect it makes the drive line fairly true because of all the machined surfaces.




                              EDIT




                              Ya gotta clamp it all together with clamps . large "C"clamps work best.
                              Last edited by Lil,yota; 06-18-2020, 12:01 AM.
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                              "Gravity is theory But Murphy is law."

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