Toyota Steering Box Research

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nfury8
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Toyota Steering Box Research

Post by nfury8 »

I have been doing a bit of digging on this lately and things are looking promising!

Here is what I have found so far:

The 82-85 box seems like the most direct fit. This could go back as far as 79 and
sporadic use up to 87. I have had conflicting info. They are very easy to tell from the
IFS steering boxes, which are almost 2 feet long. It is close to the same size, and the
same orientation - Doesn't mount upside down or on its side.
It is a bit pricey over the counter.
68bf_1.JPG
278472.jpg
Notice in the first picture it has a funky pitman arm.
This is what I had heard was a major stumbling block.
Today I discovered this!
flat-pitman-225.jpg
flat-pitman-225.jpg (5.57 KiB) Viewed 3102 times
This is a flat pitman that was designed for the off roaders
that were converting there later 86 and newer IFS trucks
to solid axles and cross steer systems. The newer IFS boxes
use the same spline setup as the older boxes, and it doesn't
have a key spline. So it can be clocked at any position you need.
It is about $70, and is 6" from center to center. I measured the
pitman on my w200 and it was about 5 3/4" center to center,
so this should work! It is setup for the heavier Fj80 tie rod ends.
So a piece of threaded tube, a tie rod end and heim joint should
do the trick to tie it into the knuckle. Heck, it might even work
with a Dodge tie rod end?

The Mid 50's Ford truck use a steering gear setup like ours,
Mid Fifty F-100 Parts offers a kit to make the Toyota box work with
their trucks. Looking at the diagrams, building a bracket should be
a snap. If you were willing to redrill the mounting holes on the frame,
their bracket might even work on our trucks.

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Re: Toyota Steering Box Research

Post by nfury8 »

If you are out to be adventurous and interested in a cross steer system,
the IFS box might be a good candidate. It mounts on the out side of the
frame, like the later Dodge's. However, it puts the steering shaft closer
to the frame, than the Lifestyle trucks. It is also has a long profile, keeping
the input shaft and main body above the frame, rather than beside it.

I am no expert on the cross steer setups for a Swept, not even sure it would
clear the stock shock location. But thought I would mention it, since I have
people mention interest in it before. There are also dropped versions
of the pitman for use in a cross steer setup.
IFS_boxes.jpg
pitman-225b.jpg
pitman-225b.jpg (13.21 KiB) Viewed 3099 times

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Re: Toyota Steering Box Research

Post by MountainMoparRobin »

the cross steering I'll do uses the box off a Dodge 1500 Van, hopefully if things follow the pattern of what I saw, I'll just have to take the drivers side spindle and put to the passenger side and passenger to driver, then a drag link to go to passenger side, the box looks to be able to mount in same spot as the saginaw in there now :study :Thumbsup

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Re: Toyota Steering Box Research

Post by Russ »

Swapping the spindles side-to-side is going to mess up your Ackerman. The outer tire will turn sharper than the inside tire, just opposite to what it should be.
1969 Adventurer W100

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Re: Toyota Steering Box Research

Post by nfury8 »

I should also mention that I am only looking at this from the perspective
of my 70 & 71 W series trucks. The spindles and knuckles on the D series
or pre 69 may play out different.

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Re: Toyota Steering Box Research

Post by 3csalvage »

I am doing this right now with my 69 d200 crew cab. I set mine up with the Toyota straight axle box and welded the necessary brackets in to the frame. I think that the steering arm is going to be made of the toyota top and the dodge lower, but I have not gotten quite that far yet. It has taken quite a bit of time with the cut and fit and cut some more thing.

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Re: Toyota Steering Box Research

Post by nfury8 »

Excellent! Let us know how things progress and how you handled the various obstacles.
Rather than cut and weld a pitman, I would seriously look into that straight arm.
I was a a local speed shop a couple weeks ago that looked just like the one flat
arm I posted above. I figured there was no way these guys would be selling parts for a
Toyota 4x4 and asked what it was for. Turns out it was for a Vega.

Speedway sells 2 different Vega arms. One is 5.5" center to center and has a .6" 'Ford'
tie rod eye and the other is 6.25" center to center and has a .625" rod eye.
They both have a 1" splined top eye. They are both $50. Is 1" about right for the splines?

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Re: Toyota Steering Box Research

Post by MountainMoparRobin »

does the box look like this?
Toyotasteer.jpg

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Re: Toyota Steering Box Research

Post by 3csalvage »

On my 2wd truck the arm was about 8'' long so a shorter one would not give me the needed travel to get a full range of travel. I have been welding for about 30 years and did work as a certified welder so the welding should not be an issue.

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Re: Toyota Steering Box Research

Post by nfury8 »

8 inches? The one I pulled of my W200 was just under 6" center to center.
I have a 70 2wd one around here somewhere. I will tray and find it, but I
don't recall it being that long.

Robin- That looks like it. Is that a kit someone offers for another vehicle?
Looks like everything you would need!

I had been considering leaving the Power Steering off for the time being,
to save time and get my crew back on the road. However, the Magnum
engine I am using has a serpentine belt setup for power steering.
So I am going to have to make it work now!

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Re: Toyota Steering Box Research

Post by MountainMoparRobin »

I have to agree, welding will be just fine :Thumbsup There are a couple of others who have done the exact same, top from the toyota and bottom from the Sweptlne.
nfury8, yes thats the exact box, only with everything offered is for the ferd or chitty, if you change it over now you'll be happier and it will be easier :study

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Re: Toyota Steering Box Research

Post by nfury8 »

So who is offering that one?

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Re: Toyota Steering Box Research

Post by MountainMoparRobin »

Ive already forgot :pale

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Re: Toyota Steering Box Research

Post by 3csalvage »

here is a guy that sells kits on ebay "steeringsupplyguy"

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Re: Toyota Steering Box Research

Post by soopernaut »

Do you remember this? viewtopic.php?f=20&t=14267&p=97054&hili ... cts#p97054

You've been down this road before. The kits run about $500-$700.

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Re: Toyota Steering Box Research

Post by MountainMoparRobin »

Actually we've been here numerous times, started back with wideblock and myself haveing idea's on what would be easier, as far as the swap, HighDesertDodge posted pictures of his Toyota box install i would strongly recomend doing a search and checking out the pitman arm he made :Thumbsup

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Re: Toyota Steering Box Research

Post by 3csalvage »

I just finished my Toyota box conversion, I LOVE IT!!!!!!!!!!

I did mine a lot like the others on here. I cut the frame and welded the base mount directly in, but that would not let the front bolts go in from the bottom. so I cut holes in the lower flange for the bolts to go through and cut a angled spacer for the longer bolts to go through the spacer, frame, mounting plate, then steering box the outside bolt holes are just inside the frame rail (had to sand off the side of the top outside bolt ) to get it in then used the rag joint from the old box and moved the column up about 2", I cut the dodge steering arm off about 2" from the top center line then the Toyota steering arm about 2.5" from the center of the top hole then welded them together with added braces on the font and rear of the arm.

About the only thing I would change is that I would move the outside bolts through the frame to just outside, as this would line the column shaft up more centered in the tube.
The bottom line so far is the truck is MUCH more user friendly !!!!!!!!!!!

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Re: Toyota Steering Box Research

Post by MountainMoparRobin »

what year box was it?

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Re: Toyota Steering Box Research

Post by 3csalvage »

I did not check the year on the Toyota when i removed the box, but I believe it was an 83 or 84.

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Re: Toyota Steering Box Research

Post by 3csalvage »

I saw in a previous thread that someone had had issues with the Toyota box not having enough travel to get a full turn in each direction. I set the length of my pitman arm the same as the stock length dodge one and have plenty of travel , but if it was a little shorter it could be an issue.

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