power steering pump pressure reduce mod

[Knebel]

Anyone have any input on how to modify the power steering pump valve to reduce the pressure? I have read about shims and a kit you can buy and my question is, what is the standard pressure coming out of the 68 fury iii pump? Itsba saginaw i believe. I feel like I dont need as much support from the power steering and would like to make it a bit stiffer....

Any input is greatly appreciated!

 

[saylor]

hey man I got nothing except caution for ya - be careful jacking around with the setting. id even see about contacting the dudes that make the stage I / II / III steering kits - firm feel maybe, but im not sure.

anyways I read somewhere about a guy that was goin down the road and that valve flipped to one side and he made an instant left turn as hard as it would go.

b/c its hydraulic fluid it has to be a metric asston of pressure.

 

[1978 NYB]

Anyone have any input on how to modify the power steering pump valve to reduce the pressure? I have read about shims and a kit you can buy and my question is, what is the standard pressure coming out of the 68 fury iii pump? Itsba saginaw i believe. I feel like I dont need as much support from the power steering and would like to make it a bit stiffer....

Any input is greatly appreciated!

I have heard that using a pump or a valve from a Dodge truck does the trick.

 

[68plymouth383]

Slant 6 pumps have the lower pressure.

 

[Wollfen]

I have read in the past that late 70's or early 80's mopar cop cars had a valve in the pump that reduced the pressure the faster you drove. I can't remember what model of cars anymore, its been too many years.

 

[Knebel]

I have read in the past that late 70's or early 80's mopar cop cars had a valve in the pump that reduced the pressure the faster you drove. I can't remember what model of cars anymore, its been too many years.

That valve would be fantastic to find! Thats how more modern systems work too....

 

[330dTA]

Yup, the line pressure is the key. In a Saginaw pump it's relatively easy to adjust, as the line pressure screw is at the back of the pump. - In a Federal 1.06 pump its more difficult, because the pressure screw is inside the pump. It can be adjusted, but I wouldn't try it if you are not an expert. Might ruin the pump, or end up in the weeds.


The Saginaw pump is a constant pressure pump. In the Federal 1.06 pump (which was used in C-bodies with the heaviest engines) the pressure varies btw high and low, depending on the engine speed. Low engine speed = high pressure, and low steering effort. High engine speed = vice versa.


Anyway, here's the story you were after:


http://www.moparaction.com/tech/beep/PUMP_IT_DOWN-re-v1.4.pdf


And here are the guys who make it happen, if you don't have the means to do it yourself:


http://www.firmfeel.com/

 

[blackmamba]

Why?:nono: