Too much power steering
Posting Legend
Joined: Sep 2001
Posts: 30,255
Likes: 37
Too much power steering
-edit- clarifications for which pulley we are talking about, crankshaft -v- pump-
No, if you go to a smaller pulley on the crank or a larger pulley on the pump (pump turns slower) it will be the same as restricting the output. Your steering will be harder to turn fast but it will have the same feel. System pressure will stay the same unless you go real slow with a leaky system that never reaches full pressure.
If you bypass some of the output thru a cooler it will slow the steering and if you bypass enough it will decrease assist.
You can also plumb in an external adjustable pressure relief valve. Just run the output/bypass flow thru the cooler and filter.
- edit added: If you go to a smaller pulley on the pump or a larger pulley on the crank (pump turns faster) it will just increase the heat in the system, it will not change the feel. System pressure will remain the same-
No, if you go to a smaller pulley on the crank or a larger pulley on the pump (pump turns slower) it will be the same as restricting the output. Your steering will be harder to turn fast but it will have the same feel. System pressure will stay the same unless you go real slow with a leaky system that never reaches full pressure.
If you bypass some of the output thru a cooler it will slow the steering and if you bypass enough it will decrease assist.
You can also plumb in an external adjustable pressure relief valve. Just run the output/bypass flow thru the cooler and filter.
- edit added: If you go to a smaller pulley on the pump or a larger pulley on the crank (pump turns faster) it will just increase the heat in the system, it will not change the feel. System pressure will remain the same-
Thread Starter
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New User
Joined: Mar 2001
Posts: 17
Likes: 0
From: washington state
Too much power steering
Heidts offers a adjustable by-pass valve which is, I guess, one way to go. I just can not believe that this condition is something that came of the factory. I would take the path of a complete rebuild (as beartracks did) of the front end, but I plan on selling the truck as soon as I can make it a little easier to drive.
Elder User
Joined: Jul 2002
Posts: 592
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From: BC, Canada
Too much power steering
Torque1st, I'm thinking of the stabilizer. It's just a shock mounted between the "drag link?" and the front differential by the right side spring mount. It's not hydraulically connected. Was it only on the F250's?
Freshman User
Joined: Feb 2003
Posts: 28
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From: El Monte, CA
Too much power steering
My '77 F250 has no road feel either, I bought it new and thought it was just something I had to get used to...never happened.
Would a larger ps pulley help. I've been advised there is a thread on this subject, but never could find it.
Would a larger ps pulley help. I've been advised there is a thread on this subject, but never could find it.
Post Fiend
Joined: Jan 2003
Posts: 10,323
Likes: 2
From: Montana Territory
Too much power steering
Just click on the submit button once. The message is waiting in line even if you leave it will still get posted.
I have a 71 4x4 with the steering stabilizer. It has manual steering. There was a power assist that had a similar setup, I have driven a few and they are very nice. I would like to go that route but they are hard to find.
I have a 71 4x4 with the steering stabilizer. It has manual steering. There was a power assist that had a similar setup, I have driven a few and they are very nice. I would like to go that route but they are hard to find.
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Posting Legend
Joined: Sep 2001
Posts: 30,255
Likes: 37
Too much power steering
The pulley question has been clarified in my previous post above.
460- A steering stabilizer is what I thought you were talking about. It will not increase road feel. My F250 does not have a stabilizer. Most of them you see are aftermarket units. There may have been some applications that were factory tho, I just don't know of any.
Remember these vehicles were designed as TRUCKS not sports cars so road feel was not one of the design considerations.
460- A steering stabilizer is what I thought you were talking about. It will not increase road feel. My F250 does not have a stabilizer. Most of them you see are aftermarket units. There may have been some applications that were factory tho, I just don't know of any.
Remember these vehicles were designed as TRUCKS not sports cars so road feel was not one of the design considerations.
Freshman User
Joined: Feb 2003
Posts: 28
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From: El Monte, CA
Too much power steering
Eric,
Not to argue, but in the earlier post it was a smaller pulley that was mentioned. My thought about a larger pulley is that it would turn the pump at a slower speed.
Not to argue, but in the earlier post it was a smaller pulley that was mentioned. My thought about a larger pulley is that it would turn the pump at a slower speed.
Posting Legend
Joined: Sep 2001
Posts: 30,255
Likes: 37
Too much power steering
I had to clarify which pulley was getting larger/smaller to end confusion. It is all explained in the former post. You can find your answer there.
I normally adjust the crank pulley size because you can find them in just about any shape in the junkyard. The pump pulleys can be changed also but there does not seem to be as many to choose from.
I normally adjust the crank pulley size because you can find them in just about any shape in the junkyard. The pump pulleys can be changed also but there does not seem to be as many to choose from.
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New User
Joined: Mar 2001
Posts: 17
Likes: 0
From: washington state
Too much power steering
Here is the follow up. As I had changed or checked every item in the steering line and as the pump has been changed out in the past today I changed the gear box. There was no slack or other outward sign of a problem with the old box. I installed a rebuilt unit and what a differance. I can control the truck now, there is some resistance at the steering wheel and it is now a real pleasure to drive.
Posting Guru
Joined: Mar 2001
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Too much power steering
Eric, do you know of a part number and manufacturer to find a pressure regulator of sorts? I think that idea is key, but I'm real skeptical about messing with the pressured side. It sounds like a custom fab job on the line huh?
How rare are the fluid coolers? I pulled on off a truck today at the junkyard hoping it may help. I've always noticed better road feel when the truck hasn't warmed up all the way. Thanks for your help.
Keep it in-Line
How rare are the fluid coolers? I pulled on off a truck today at the junkyard hoping it may help. I've always noticed better road feel when the truck hasn't warmed up all the way. Thanks for your help.
Keep it in-Line