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yet another steering question

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Old May 26, 2013 | 05:53 PM
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yet another steering question

My 76 highboy is sitting on 35's right now and I don't have any plans on going bigger. I do go off road a little but nothing extreme. Maybe even a little bit of mudding as well.

Would the 78/9 power steering conversion be the best way to go? From what I can tell about this one is the pitman arm sits between the frame and the leaf springs. I don't think I'd really need to worry about the articulation issues.

Is this the same thing as the "saginaw" setup I've seen other post about or is it different?

I'm on a limited budget and the only reason i'm looking into this now because of the drag link issue I had this morning.
 
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Old May 26, 2013 | 05:56 PM
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Originally Posted by rottenstock
I'm on a limited budget and the only reason i'm looking into this now because of the drag link issue I had this morning.
What happened?

But to answer your question, yes, the 78/79 steering box is the cheapest/best approach when/if the power assist gives up the ghost.
 
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Old May 26, 2013 | 06:00 PM
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Attachment 293054
Looks like the castle nut backed off the drag link. The cotter pin was sheared completely off. From the looks of it, whoever owned the truck before me, didn't proper care of it.


So to do the swap, I would just need a power steering gear box from a 78/9, the pitman arm and hoses? Or is there more to it?
 
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Old May 26, 2013 | 06:19 PM
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That doesn't look to be a failure of the power assist system, it looks to be a simple failure of the tie-rod.

Do you want to just replace it and drive on? or do you still want to dump the whole system?
 
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Old May 26, 2013 | 06:21 PM
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The rod for the ram is actually bent. I thought about trying to straighten it out, but I don't know how well that will work. So i was thinking of dumping the whole "ram assist" thing
 
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Old May 26, 2013 | 06:27 PM
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Originally Posted by rottenstock
The rod for the ram is actually bent.
That's no bueno, those things are 250 bucks too (reman'd).

As for the 78/79 box, it's pretty much a direct bolt-in (with slight frame mods), most guys end up using a 2WD box, but i'd try to source a 4WD box if you can, though they're somewhat "rare" and pricey if you can even find one in a junkyard, hence why most end up going with a 2WD box.
 
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Old May 26, 2013 | 06:28 PM
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What the difference between the 2wd and 4wd boxes? Ill call around on Tuesday. It's not gonna hurt the truck driving around without the power steering hooked up right?
 
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Old May 26, 2013 | 10:59 PM
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For the swap, Other then the box and pitman arm, is there anything else I would need for it?
 
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Old May 27, 2013 | 11:07 AM
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Originally Posted by rottenstock
What the difference between the 2wd and 4wd boxes?
The 4wd box has 4 mounting bolts, the 2wd box has 3, not a huge matter but the 2wd box's sector shaft is way longer than it needs to be for a 4wd application, and has been known to break with big tires/lift.

The 4wd box is stronger and the one you want, if you can find it, but the 2wd box will work too, here's some more info on the topic...

https://www.ford-trucks.com/forums/8...-steering.html
 
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Old May 27, 2013 | 11:43 AM
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Yeah. I've read through that post. I'll look around for parts tomorrow
 
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Old May 27, 2013 | 07:10 PM
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would the steering boxfrom a 79 f350 work?
 
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Old May 27, 2013 | 10:45 PM
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This is the one i'm looking at. It is from a 79 f350. Has the box and the pitman arm but the drag link (center link?) was cut.

Would this work for what i'm wanting to do?
 
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Old May 27, 2013 | 10:50 PM
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It sure will, nice score!

The '79 F350 4x4 is a one year only truck, it's a much better box than the 2wd version.... again nice find.
 
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Old May 28, 2013 | 02:14 PM
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Thanks. Will be picking it up for a cool $100. Then I gotta find a drag link. Is it only the 78/9 drag links that will work? I found a couple used ones for about $40. I'd go new, but I don't have the $90 for it right now.

Also, should I look into rebuilding the steering box before I install it or would that be a waste of time?

***edit***

I had an idea...Instead of having to buy a drag link, why couldn't I just run 2 tie rod ends hooked together via an adjusting sleeve? It would make steering adjustment really easy and it's cheaper....
 
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Old May 29, 2013 | 09:20 AM
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Do it right!!! Your talking about the steering here, your life and maybe someone else's.
 
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