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Mustang Technical Discussion > Pre 1973 > Difference between 66 and 67+ steering boxes > Community Forums > Mustang Forum Australia - Mustang Tech

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hybrid
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What's the difference between these boxes?

I realise the 66 are not collapsible, so the shaft is full length. This doesn't matter to me because I have the 68 column in my car.

Are the chassis mounts the same? What about the pitman arm?
If the pitman arm is different, can I use a 67 pitman arm to connect to my 66 steering arm?

Just trying to work out whether I attempt to rebuild my own steering box (if adjustment fails), or buy a new one.

It looks like I could get a 67-70 box delivered for under $300 if I could make it fit.


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chopmgw
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hybrid wrote

Just trying to work out whether I attempt to rebuild my own steering box (if adjustment fails), or buy a new one.

Wondering why u want to renew.
Do u have loose steering ?
I have about 1-2" and was thinking about what to do about it.
Watching with interest. 🍿


I smell oranges !

Michael

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ozbilt
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The 67 - 70 boxes are different inc the way they mount.

The early 67 box had the long shaft but used the same mount pattern as the later boxes, so from that I would say the 66 box is different.


Kerry

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Nuts
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I believe they are identical except the ratio may be different in a pwr steer car 20-1 vs 16-1. Unless Oz corrects me again... Poke


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ozbilt
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I assume pitman arms are all different as well. 65/6 then 67 only, 68 only & 69/70

I would think a 66 pitman would not be the same as a 67 as the draglink is different due to the later suspension & spindles.

However I do not have my cross reference book with me, so could be wrong .... Embarrassed


Kerry

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hybrid
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For sure I can see that the pitman arm shafts (sector shafts) are different sizes.
Early used 1" and later used 1 1/8".

Chop: yes I have some slack in the steering box. I remember adjusting it before I put it in the car, and from memory if I adjusted any further I ended up with a tight spot.
I have considered rebuilding mine, but considering the state of the car when I got it, I would say it's probably pitted inside, so a rebuild won't help.

My steering still needs final adjustment, but that is not going to tighten up the box.
I guess my wheel could turn around 10 degrees in each direction before it does anything.

I've got some overtime coming up.. maybe I should just bite the bullet and install a flaming river one. See many good reviews after fitting those.


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chopmgw
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hybrid wrote

Chop: yes I have some slack in the steering box. I remember adjusting it before I put it in the car, and from memory if I adjusted any further I ended up with a tight spot.

Im at the same point.

hybrid wrote

I've got some overtime coming up.. maybe I should just bite the bullet and install a flaming river one. See many good reviews after fitting those.

Is this a straight swap ? Any alterations ?


I smell oranges !

Michael

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hybrid
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I found this on stangersite.



It looks like the geometry of the pitman arms are the same, so provided the steering box bolts up to the chassis, it looks like we might be able to use a 67/68 box and the pitman arm to suit it (1 1/8" shaft).


Last edited by hybrid on Fri Jul 07, 2017 4:24 pm; edited 1 time in total

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hybrid
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chopmgw wrote

Is this a straight swap ? Any alterations ?


With your car being a 67, you have no problems.
The FR will bolt straight in. Assuming yours is the late model short shaft:

- Centre the wheels
- Undo the rag joint
- Remove the pitman arm
- Unbolt the box from the chassis
- Bolt the flaming river one in
- bolt up the rag joint
- use the steering wheel to find the approx midpoint
- bolt on the pitman arm

That should be it.


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hybrid
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Adding another tidbit.
Here is a 68 steering box.


And here is a 66 steering box.


I'll be buggered if those mounting points aren't the same.

So here's my thoughts.

If you have fitted a 68 column, you *should* be able to use a 68 box with a 68 pitman arm.

Shall I be the guinea pig?


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ozbilt
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hybrid wrote


I'll be buggered if those mounting points aren't the same.

So here's my thoughts.

If you have fitted a 68 column, you *should* be able to use a 68 box with a 68 pitman arm.

Shall I be the guinea pig?


Looks like you could be correct.

Good luck guinea pig ....... Poke


Kerry

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hybrid
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Snigger


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trav68
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Mate,
Randy @ Stangersite is extremely helpful I have bought all steering rebuild bits through him.

I rebuild my box completely to the tight end of factory ford specs and it is very very good and precise

Trav


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chopmgw
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So how hard are they to rebuild ?
Is it a complicated job or something like a weekend have a go type person could handle ?
How many hours ?
Any specific points to watch for ?


I smell oranges !

Michael

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hybrid
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There are some good instructions around. If you buy the rebuild kit from stangersite, it comes with good instructions apparently.
The problem is, the kit is just replacement bearings mostly, so if your other components are pitted, they're generally scrap.

So you really need to take yours out and inspect it before you decide to buy the kit.


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