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Old 06-30-2012, 03:33 PM
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Over Assisted Mopar Steering

My 53 Studebaker..350 with 700R.

Runs great..handles flat and suspension is nice considering it is bagged/spring/shocks in rear. Torsion bar IFS.
However
It has a 84 Dodge Monaco torsion bar set up from a cop car. The steering column is mid 70s Chevy C10.
It is U-Jointed. All parts are rebuilt and 5,000 miles or so. I bought the car with this set up.
The power steering is very over assisted. I am used to my XK120..very tight and taught steering and never had a mopar product. All my other cars I've built with either manual steering or GM.
1. Is there any way to reduce the assist similar to GM pellet replacement ?
2. There is slop in the box as it attaches to the first joint..but without that play the steering would really be difficult to keep straight. (pictures)


The car has a little play that cause me to adjust while going straight, I just tightened the U Joint set screw and will try that, but still the steering is way over assisted and I want to limit the assist.
Is there some way to do this on the 84 Mopar integral box.
I was thinking to disconnect the PS and remove the hydraulic part and cap it so it would be manual..but s light power assist would be nice. Is there a shim kit or a way to reduce the assist by limiting the inlet ?
It's 110* and getting warm now..and I have no problem with the Torsion bar setup..just the over assisted steering...so no MII..or Dakota solutions

Any Mopar guys know ?

Thanks as always for the help..

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Last edited by Docc; 06-30-2012 at 04:00 PM.
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Old 06-30-2012, 04:13 PM
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flow restrictors

There are a couple of different types of valves that reduce the flow rate of the pump. One type is a fitting that screws in at the pump pressure port, they come in different flow rates, you decide which you need (hopefully they fit a Mopar pump). The other type valve plumbs into the pressure and return lines and is adjustable. It's a lot more work and expence to install, but it works with any brand and is infantly adjustable. I belive Summit and Speedway sell both.
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Old 06-30-2012, 04:24 PM
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Thanks..I'll check that.
Also found this
http://www.moparaction.com/Tech/beep...WN-re-v1.4.pdf
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Old 06-30-2012, 06:02 PM
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I think that mod to the pump is my answer.. Saginaw pump..just add shim pack..

Will see how it works..
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Old 06-30-2012, 06:14 PM
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There is a article in this month's Street Rodder about just what your asking about.
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Old 06-30-2012, 09:01 PM
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Maybe go with aftermarket steering box
Firmfeel Mopar Suspension and Steering
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Old 07-01-2012, 08:10 PM
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I think the shim deal is well worth a try and if that doesn't get it, the flow reduction valve that plums in would be my next try, a lot cheaper that an after market setup. The article you attached only addressed pump pressure and I agree that if you get the spring tension low enough to bypass fluid that the speed which the wheels move when you move the steering wheel will be slowed. You have to make up in arm strength for the loss of pump pressure. Pressure is used to control the force required to move the steering wheel and if that is your problem, then the shims are your fix. However; flow output (GPM) is what controlls how fast things move. Good steering feel is a combination of several thing including the power steering pump pressure and flow rate. Good luck.
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Old 07-01-2012, 08:22 PM
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Go pick up this months issue of Street Rodder. It addresses all of your concerns and what the fixes are and who has the parts.
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Old 07-01-2012, 11:34 PM
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Quote:
Originally Posted by boothboy View Post
Go pick up this months issue of Street Rodder. It addresses all of your concerns and what the fixes are and who has the parts.
On news stand NOW ?

I'll check.. After it cools down here I'll do more work on it. 107* today..spent all day in the garage..then outside to help my son on his truck..
Soon it will get warm here !
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Old 07-02-2012, 07:15 AM
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It's the Sept issue. I have a subscription and got it last week so it should be on the newsstands now or very soon.
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