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#1449588 Wed Apr 27 2022 12:55 AM
Joined: Jan 2016
Posts: 1
W
west10 Offline OP
Moderated
Is there any such thing ,

Joined: Apr 2005
Posts: 3,029
C
'Bolter
I have seen the ram type power steering on old big trucks but don't know if it was factory. It is still used on some construction and farm equipment. Chevy used it till 1964, Corvette till early 80's, Ford till 1971, and various 4wd till just a few years ago. It works well but is more complex than one with a power steering box. Here is one we put on an old International (1940) ten years ago that is still working fine hauling wheat and corn from the field.

A tapered hole plate is spliced into the tie rod for ram which is hanging below tie rod in this picture.
[img]https://i.postimg.cc/BPQ8JrYn/straight-axle-p-s-002.jpg[/img] [postimg.cc]

This is the "control valve" which makes it all work, pressure and return from p/s pump and right or left on ram:
[img]https://i.postimg.cc/7Gy41SSv/straight-axle-p-s-003.jpg[/img] [postimg.cc]

Set up ready to go:
[img]https://i.postimg.cc/K4PzW8Yr/straight-axle-p-s-005.jpg[/img] [postimg.cc]


Evan
Joined: Feb 2004
Posts: 24,575
H
Kettle Custodian (pot stirrer)
Check out the steering system on a retired school bus. I seem to remember that most of the ones the school system where I taught for 30-something years ran had power steering, mostly so they could hire some pretty petite ladies to drive the buses. Most school systems are required to replace buses at around 10-15 years old, so there are usually plenty of them in salvage yards to scavenge.
Jerry


"Freedom's just another word for nothing left to lose"
Kris Kristofferson

Cringe and wail in fear, Eloi- - - - -we Morlocks are on the hunt!

WAG MORE- - - - - -BARK LESS!
Joined: Mar 2010
Posts: 1,224
B
Curmudgeon
Power Assist
They do it for rock crawlers and apparently they can adapt it to most anything.
Just happened to find this while searching.

Also consider that the stock Viking should steer very easily as long as the truck is moving.
Parallel parking, no.

Attached Images
Power Assist Kits.jpg (73.31 KB, 98 downloads)

"Adding CFM to a truck will only help at engine speeds you don't want to use."
"I found there was nothing to gain beyond 400 CFM."
Joined: Jun 2011
Posts: 4,498
E
'Bolter
Find a unit off a similar size truck. Pick ups up to 2 ton or so can use Delphi(Saginaw) units like in most common trucks. Larger power steering units have an additional boost cylinder which should work on larger trucks. I have put Delphi(Saginaw) units using known and unknown units. International Scout unit into ‘47 GMC one ton; GM P-3500 HD unit into ‘37 GMC T-18 HD; unknown GM unit into ‘55.2 GMC two ton. ‘68-‘72 Ford unit into ‘55.2 GMC two ton. In all these trucks, except with the Ford unit, steering unit was placed outside frame, being particularly careful to provide sleeves inside the frame where mounting bolts passed through to prevent crushing the frame.

There is a large variety of donor units of various configurations to sample. Get your scale out and visit your favorite yards, pick up all the various tie and other rods while there. Left hand dies are available to make correct linkages.

Ed


'37 GMC T-18 w/ DD 4-53T, RTO-610, 6231 aux., '95 GMC running gear, full disc brakes, power steering, 22.5 wheels and tires.
'47 GMC 1 ton w/ 302, NP-540, 4wd, full width Blazer front axle.
'54 GMC 630 w/ 503 gasser, 5 speed, ex fire truck, shortened WB 4', install 8' bed.
'55 GMC 370 w/270, 420 4 speed, grain, dump bed truck from ND. Works OK.
Joined: Feb 2016
Posts: 682
7
'Bolter
Power steering was an option on the medium duty's, mine has manual steering and is easily managed with a load.


1957 Chevrolet 5700 LCF 283 SM420 single speed rear, 1955 IH 300U T/A, 1978 Corvette 350 auto, 1978 Yamaha DT175, 1999 Harley Davidson Softail Fat Boy
Joined: Jul 2018
Posts: 202
P
Rustbucket Ranch
Like Buckshot mentioned, power steering was an option, even on the heavy duty Spartans. A brochure I have shows an illustration of it, I'll get a pic of it later.

Here's a '59 Spartan that has power steering, that canister in the middle of the picture is the reservoir/pump for it, with the hoses going down to the front end.

Attached Images
img (1).jpg (324.51 KB, 69 downloads)

1949 Chevy 3100 (In the family since new)
1955 Chevy 3100 (Dad's truck)
1955 Chevy 6500 (Possible parts truck?)
1958 Chevy 3800 w/ 9 foot bed (Current project)
1959 Chevy Spartan 10400
Joined: Apr 2016
Posts: 693
'Bolter
You might want to look into electric. The EPAS kits are so simple with adjustable gain. Just cut a chunk out of the column, run a power wire and done.


Old enough to know better, too young to resist.
Joined: Jun 2011
Posts: 4,498
E
'Bolter
I wonder how heavy of truck electric units are designed for?

Ed


'37 GMC T-18 w/ DD 4-53T, RTO-610, 6231 aux., '95 GMC running gear, full disc brakes, power steering, 22.5 wheels and tires.
'47 GMC 1 ton w/ 302, NP-540, 4wd, full width Blazer front axle.
'54 GMC 630 w/ 503 gasser, 5 speed, ex fire truck, shortened WB 4', install 8' bed.
'55 GMC 370 w/270, 420 4 speed, grain, dump bed truck from ND. Works OK.
Joined: Apr 2016
Posts: 693
'Bolter
Here is their phone number. (941) 893-5427 EPAS performance. I put a unit on a friends 3600 and it was really nice and smooth. I have one for my 3100 but haven't installed it yet. You could install it with a hacksaw, file and drill. No P/S box, pump, pulley, brackets, belt or hoses. It took about 4 hours with no experience.
https://epasperformance.com/

Last edited by mick53; Sun May 01 2022 01:40 PM.

Old enough to know better, too young to resist.

Moderated by  Justhorsenround, KCMongo 

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