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08-18-2020, 11:09 AM | #1 |
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Re: DD Steering Rod wet noodle
ahhhh you are using it as an offset. makes sense now.
but you could use a single joint the same way, flip your heim so it is on the other side (pointing to the inner fender) and keep the same "jog" with the upper shaft.
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08-18-2020, 12:16 PM | #2 | |
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Re: DD Steering Rod wet noodle
Quote:
Only problem with doing that is I dont have much angle between the frame and header. This is an old picture when the front of the truck was removed. See attached. |
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08-18-2020, 12:40 PM | #3 | |
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Re: DD Steering Rod wet noodle
Quote:
this is what I am talking about. also, if you are using a coupler at the rack, you could use a u joint there and get all kinds of better angles away from the header. it looks like you want your shot to be as straight as you can get it, but its not necessary, you can make it go backwards if you need to, u joints make all kinds of configurations possible.
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the mass of men live lives of quiet desperation if there is a problem, I can have it. new project WAYNE http://67-72chevytrucks.com/vboard/s...d.php?t=844393 |
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08-18-2020, 01:01 PM | #4 |
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Re: DD Steering Rod wet noodle
Joedoh,
On the rack I have a 36 spline to 3/4 DD. Again this is an old picture from assembly but I have basically a c*nt hair between the mii cross brace and the rack. I also had to use shorter set screws to get it to fit. |
08-18-2020, 11:25 AM | #5 |
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Re: DD Steering Rod wet noodle
Yep....what Russ says...
Run your shaft out at more of a angle.. And it would also be easier if you had a slip joint in there somewhere... I know your limited for room..so you may not have room for it I dont think putting a heim down low is gonna help much with that carden... If you have to keep the carden then you need double support on the shaft below the carden..
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08-18-2020, 11:28 AM | #6 |
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Re: DD Steering Rod wet noodle
the problem lies with the double joint at the top. you can have 2 joints in a shaft without support, when you add the third joint you need a support bearing. here that double joint without support close to it will be very erratic. so leave the bearing you have where it is and add another support bearing close to the double joint where the shaft turns smooth. the two bearings on that shaft will stabilize both that shaft and the lower one as well.
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08-18-2020, 12:23 PM | #7 | |
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Re: DD Steering Rod wet noodle
Quote:
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08-18-2020, 12:10 PM | #8 |
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Re: DD Steering Rod wet noodle
Take a look at this diagram. In the drawing with a double joint, the support is next to the double joint.
Not sure if it's possible to move the double joint away from the column to the other end near the support. Seems like your other option is a different header or manifold.
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08-18-2020, 12:27 PM | #9 | |
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Re: DD Steering Rod wet noodle
Quote:
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08-18-2020, 01:14 PM | #10 |
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Re: DD Steering Rod wet noodle
oh, good.
what about making the lower shaft longer like my picture? you could rotate the heim 90 degrees (come up from under) and use the std u joint at the column I am trying to find the pictures of the steering setup I used in my 41, because I needed a clutch pedal the steering column was actually moved toward the engine slightly, so I had to use a heim out and around like my picture edit: found it, see below, went way out and then back. edit: also jwebs picture is not like your setup, you have a movable sector at the column and at the rack, so its pivoting on the heim. you need a rigid sector like the picture. see the coupler at the column in his picture? that is the same as not having that short shaft above the double and having the double right at the column, like you have, and you have an extra movable sector below the heim
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the mass of men live lives of quiet desperation if there is a problem, I can have it. new project WAYNE http://67-72chevytrucks.com/vboard/s...d.php?t=844393 Last edited by joedoh; 08-18-2020 at 01:38 PM. |
08-18-2020, 01:44 PM | #11 |
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Re: DD Steering Rod wet noodle
This is one of those deals were Joedoh could probably fix it for you a lot simpler than he can tell you how to fix it.
The U joints are all in sync as shown in the drawing he posted in post 33? Same as on a driveshaft they all have to be perfectly aligned with the shaft is laying on the bench and all have to be synced with each other. I think you have it that way but can't tell for sure. I've seen a lot of guys put a clearance notch in MII crossmembers with a filler that was often cut from a piece of round tubing. The other thing I see is that that bracket for the heim joint may be flexing a lot. Have someone work the steering wheel while you watch it to see if it is flexing.
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08-18-2020, 01:50 PM | #12 |
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Re: DD Steering Rod wet noodle
Even though you probably have a Kings Ransom tied up in those exhaust manifolds if it were me they would be gone and something that had a lot more clearance would be in their place. I know you don't want to read that but those are some of the bulkiest manifolds I have ever seen and the huge flanges don't help.
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Founding member of the too many projects, too little time and money club. My ongoing truck projects: 48 Chev 3100 that will run a 292 Six. 71 GMC 2500 that is getting a Cad 500 transplant. 77 C 30 dualie, 454, 4 speed with a 10 foot flatbed and hoist. It does the heavy work and hauls the projects around. |
08-18-2020, 06:10 PM | #13 |
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Re: DD Steering Rod wet noodle
I want to thank everyone for there suggestions. I'm going to try and take a closer look at it over the next couple days. I'll do some testing with some wooden dowels before I order more DD shaft and another heim.
I'll try extending the lower DD shaft option as suggested & also possibly finding another location for a second heim. I've been google image searching and found some great ideas. If anyone else wants to input there thoughts please post. Thank you to all that contributed. |
08-18-2020, 10:01 PM | #14 |
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Re: DD Steering Rod wet noodle
yeah wood is a great idea to try it out first!
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the mass of men live lives of quiet desperation if there is a problem, I can have it. new project WAYNE http://67-72chevytrucks.com/vboard/s...d.php?t=844393 |
08-19-2020, 01:53 PM | #15 |
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Re: DD Steering Rod wet noodle
A couple of old broom handles might be the ticket there.
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Founding member of the too many projects, too little time and money club. My ongoing truck projects: 48 Chev 3100 that will run a 292 Six. 71 GMC 2500 that is getting a Cad 500 transplant. 77 C 30 dualie, 454, 4 speed with a 10 foot flatbed and hoist. It does the heavy work and hauls the projects around. |
08-20-2020, 08:16 PM | #16 |
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Re: DD Steering Rod wet noodle
i'd prefer not to have that many joints in a steering shaft. think of the double joint as a short shaft, that makes your steering shaft 3 shafts. i believe your going to need to add a 2nd heim to stiffen everything up. add the 2nd heim joint to the same shaft as the 1st heim joint, move them as far apart as possible, as close to the u-joints as you can.
i agree with mongo, your support wouldn't last through the first pothole. i'd weld a bracket up with 3/8" steel and use a couple 1/2" bolts to the frame. you could probably make one bracket to capture both heim joints. i definitely wouldn't attach one to the frame and one to the cab. those move independent of each other lose your brakes, you can always steer somewhere, lose your steering you lost control of everything. crash bang roll
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08-21-2020, 12:26 PM | #17 | |
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Re: DD Steering Rod wet noodle
Quote:
I appreciate the advise. I hope to get some time this weekend to take a closer look at it. I know I need to add another Heim and split them apart as far as I can. The problem I'm having is trying to figure out what kind of bracket to make to support both Heim with them being so far off the frame. Any ideas would be appreciated. I've done some google image searches and come of with some ideas but now I need to execute. Regards, |
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08-21-2020, 01:28 PM | #18 |
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Re: DD Steering Rod wet noodle
on that 41 I posted a picture of, I just used a 1x1 piece of box tube and welded a heim nut to the top of it and welded the other side to the top of the frame.
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the mass of men live lives of quiet desperation if there is a problem, I can have it. new project WAYNE http://67-72chevytrucks.com/vboard/s...d.php?t=844393 |
08-21-2020, 03:25 PM | #19 |
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Re: DD Steering Rod wet noodle
I was thinking about using a 1.5x1.5 or 2x2 steel box tube. I would need about a 4-5" piece for the bottom heim and about a 8-10" for the top then welded or bolted to the frame. I mean it's not gonna be pretty but I need to find a solution.
Last edited by NeoJuice; 08-21-2020 at 03:32 PM. |
08-21-2020, 04:06 PM | #20 | |
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Re: DD Steering Rod wet noodle
Quote:
you can see the bottom of the box tube directly under the middle u joint
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the mass of men live lives of quiet desperation if there is a problem, I can have it. new project WAYNE http://67-72chevytrucks.com/vboard/s...d.php?t=844393 |
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08-27-2020, 11:25 AM | #21 |
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Re: DD Steering Rod wet noodle
I get a headache just looking at the bends in that setup. Are we at the point that direct electric power steering ( no connecting shafts) is possible?
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