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-   -   1950 GMC COE steering modifications (

dallas2254 09-28-2007 12:37 PM

1950 GMC COE steering modifications
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Has anyone experienced putting in a steering system for COE mounted on a 1972 chevy 4x4 frame? I pretty much have got it all figured out but am looking for ideas incase I am missing something.

The steering sytem geometry is totally different with a Cab Over. I am using a steering column out of the 1989 chevy ventura van and a P/S streering gear box out of that 1970's international scout II that I am turning on its side so to match up with the angle of the steering column and have the pitman arm going the right direction for attaching to the steering arm off the left wheel on this 4x4. Quite a bit of work went into finding the right steering box but I think this will do ust fine. Any better ideas?

I have not figured out what adapters I need to mate the steering column to the steering box since I just ordered the steering box with the pitman arm. Is there a good place to look up parts for steering linkages?

I love the challenges in putting this truck together and it is going quite well.


edpent 01-15-2013 05:13 PM

COE steering
I'm fighting the same problem (55 GMC COE on 2001 Chevy S10 chassis). I tried rotating the stock steering gear to improve the angle with the stock steering column/dash. No luck; even with two U joints the pitman arm won't work even with modification.
My next idea is to shorten and tilt the steering column to get an angle I can solve with U joints and still use the dash.
I will let you know.
Any other ideas will be appreciated.

496CHEVY3100 01-15-2013 08:07 PM

the simplest would be Rack and pinion ,next best .find a isuzu cab over they come in 3 weight classes have power sterring and made by Gm but noy in USA also the sterring shaft extends when you tilt cab so you only need u joint at each end ,just an idea

hoitink 01-16-2013 10:41 AM

What you need are these there from and Izuzu rodeo, They reverse the steering so I used 2 of them for my cab over. Just made a big Z to the steering box.
I'm mounting my cab on a FWD caddy so my steering column was ahead of my steering box lol.

37gmc 01-16-2013 03:20 PM

nissan pathfinder uses that angle box also

aosborn 01-17-2013 11:17 PM

Borgeson makes many different adapter u-joints and couplers for steering linkage, and it is top quality stuff. Check out their catalog for many great tips on assembling steering linkage.



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