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Re: New idea for power steering?
6cylindersovertexas #733809 Mon Mar 28 2011 01:49 AM
Joined: Oct 2004
Posts: 129
J
Shop Shark
A few years ago I thought about using the steering gear from a late 90's Isuzu Trooper in a 59 3/4ton. Nice size, and the price was right, free. The only problem would have been, when I turned the steering wheel to the right the wheels would have gone left. Make sure the pitman swings the correct direction.

John

Re: New idea for power steering?
john1 #733852 Mon Mar 28 2011 03:38 AM
Joined: Feb 2004
Posts: 20,355
H
Boltergeist
Originally Posted by john1
Make sure the pitman swings the correct direction.


How about just building the bracket for the steering gear so the unit can be flipped over 180 degrees? That will reverse the direction the Pitman arm swings to allow the wheels to follow in the right direction.
Jerry


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Re: New idea for power steering?
Hotrod Lincoln #734204 Tue Mar 29 2011 04:03 AM
Joined: Feb 2003
Posts: 452
H
Shop Shark
I thought about that when I saw these boxes. Since the pitman arm is on the back and points down, when turning left the pitman arm swings left. If the box is rotated 90* clockwise (viewed from above) and the wheel is turned left, the pitman arm should swing forward, pushing the drag link and steering arm forward and turning the front wheel left.
I think it will work.


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Re: New idea for power steering?
Highflyer #734227 Tue Mar 29 2011 04:58 AM
Joined: Sep 2003
Posts: 1,827
6
Shop Shark
Check the boxes that are built to be reversed from the way we need them because it is possible to tear them down and build them in reverse to function as we need them. That is exactly what was done to the Mustang box I referred to a few posts back.


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Re: New idea for power steering?
6cylindersovertexas #734296 Tue Mar 29 2011 01:35 PM
Joined: May 2005
Posts: 9,146
G
.
He's saying it works as is, no need to try to find parts to reverse the action if it...

Re: New idea for power steering?
6cylindersovertexas #741221 Thu Apr 21 2011 01:39 PM
Joined: Jul 2005
Posts: 597
1
Shop Shark
check out a p-30 box van, they have correct setup for pitman arm and being 2wd turn like you need.

Re: New idea for power steering?
10 micron #741222 Thu Apr 21 2011 01:42 PM
Joined: May 2005
Posts: 9,146
G
.
I have a gear box off a P-30 step van, and it's not much use to us for AD trucks.

On the step van they mount completely outside the frame, and the pitman arm is on the right side of the gear box moving forward and back. to use it on an AD truck would take some reasonably complicated brackets, and might get in the way of the tire on a right turn.

Grigg


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Re: New idea for power steering?
Highflyer #755427 Fri Jun 17 2011 10:09 PM
Joined: Mar 2004
Posts: 877
G
Shop Shark
I have one of these boxes. They mount to the side of the van frame with the input shaft pointed just about straight up. Making a bracket like Jerry mentioned to mount on top of the AD frame it could be used in a side steer application. Here is a photo of the van box mocked up next to a stock one. The stock pitman arm will not fit on the newer Saginaw.
The arm in the photo is from a Scout II power box and is the longest Saginaw pitman arm that I know of. Probably the same one Grigg took off of his Scout box. It is 1/2" shorter than the stock Pitman arm.

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