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Old 08-13-2006, 11:58 PM
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57 ford /gm 605 p/s wanders bad

Howdy,got 57 Ranchwagon 351w-aod ,p/s kit by GEARHEADS CRUIZER . Car wanders bad front end has new ball joints,BF T/A.Alined by good FEnd shop.No responce off center,won't return to center,hard to keep in lane at speed.Part of kit was presure control valve.Turned down for less asist drives better around town.Locks up on left turn,prety sure gearbox at fault.Vendor woun't respond to my calls or emails.Can any one give me some ideas?/Help tom

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Old 08-14-2006, 12:49 AM
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If it won't return to center the fault could be in the box or in the geometry What came in the power steering kit?
Have you checked the linkages for binding? while the suspension is at ride height? Is there any exhaust rubbing?

You said the car had an FEA? Did you get a spec sheet when it was done?

Is the box centered properly? The wheels have to be in the straight ahead when the box is positioned on it's "hard spot" in the center of its rotation, otherwise your car will wander.

A faulty box can cause all of the problems you have, but you should check the rest of your front end. Was that box rebuilt? I have seen junkyard boxes not work right if they came from a car that took a hit to the front wheels, and forced the box past the stops. Also if someone tried to "adjust" a worn box to get the freeplay out, and it is TOO worn, they won't return to center properly and will be sticky in their operation.

Also a box that is not mounted right can get bound up. I saw a car that had a 605 box mounted on a vega mount. The stands were too short and flexed the case until it got sticky.

I would see if you can try another box to see if it is in the box.

Hope this helps, mikey
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Old 08-14-2006, 02:58 AM
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Quote:
Originally Posted by grandpaws 57

57 Ranchwagon 351w-aod ,p/s kit by GEARHEADS CRUIZER . Car wanders bad front end has new ball joints,BF T/A.Alined by good FEnd shop.No responce off center,won't return to center,hard to keep in lane at speed.Part of kit was presure control valve.Turned down for less asist drives better around town.Locks up on left turn,prety sure gearbox at fault.Vendor woun't respond to my calls or emails.Can any one give me some ideas?/Help tom
This is the GEARHEADS 605 Conversion Box the gentleman is describing allows one to install integral power steering on an early FORD that used the Saginaw external assist before. I have heard of another complaint but the poster would not go into detail.

Before you blame the box, I would check idler arm bearings (these are a pain and many use later arms with integral brngs) and maybe double check caster settings.

You may want to disconnect the drag link from the pitman arm to check for any binding in the box itself. Did they recommend a Saginaw pump or just the adjustment valve?

Did you perform the required 58 steering column upgrade?

You may have to go so far as to follow the procedure outlined in a shop manual as to mounting special pressure gauges to the system to see if the hydraulics are working properly.

Their not responding has me worried as a friend wants this conversion on his CUSTOM 300.

Please keep us informed.
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Old 08-14-2006, 06:45 AM
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grandpaws 57

Listen...

Go to this website... http://www.squarebirds.org/dcforum/DCForumID1/1029.html ... and scroll down until you see a post made by 63tbirdrick.

He has had problems with his installation also and he may be able to help you with it. Just E-MAIL or PM him directly from the site. Please keep me (us) informed as to how you progress. If it is a bad product, I need to know.

THANX...
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Am Looking For Factory/Aftermarket Speed Parts For The MEL (MERC-EDSEL-LINC-TBIRD) Engine Family (383-410-430-462) Produced From 1958 To 1968

Also Early FORD Special Service Tools


If you need a tool and don't buy it, you'll soon find that you've paid for it and don't have it. -Henry Ford

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Old 08-23-2006, 02:39 PM
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responce from Gearheads

Heard from Gearheads yesterday,they have had health problems.Hope problem works out in the future.
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Old 08-24-2006, 06:40 AM
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Please let us know as I have a buddy that wants to install one...
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Old 08-24-2006, 10:31 AM
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p/s

You will need a cooler from my experience , I am going to add one when box is right !
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Old 08-25-2006, 09:28 AM
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I'm not an expert, so don't take my response as such. In past posts and articles elsewhere, that symptom seem like that of a toe problem. I was just reading in the lastet issue of Hot Rod where a guy put a straight axle on a 55 Olds. He had wandering problems even though the alignment was spot on. Someone suggested adding more toe, that solved his problem. In addition, again from reading elsewhere, where the wheel doesn't return, is due to improper toe. One last thing, these alignment specs were when cars used bias ply tires and not radials. Talking with a friend of mine who does road racing, said radials need more caster then bias.
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Old 08-25-2006, 09:45 AM
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I was thinking the same think.Whenever a customer speaks of the car hunts or wanders.It,s the front tires toed out.I only deal with factory cars,nothing modified.
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Old 08-25-2006, 09:50 AM
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57 p/s conversion

Thanks for your responce,the car has had much more caster dialed in,best f-end shop in area.Box also locks up mostly on left turns.I won't go into details here,still talking to vendorl about replacing box.
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Old 08-29-2006, 10:57 AM
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[QUOTE=KULTULZ]grandpaws 57

Listen...

Go to this website... http://www.squarebirds.org/dcforum/DCForumID1/1029.html ... and scroll down until you see a post made by 63tbirdrick.

That post was from me. (Different name, used to have a 63) I am having same issues as grandpaws57. The locking up is pretty bad and dangerous. I doubt its the installation if the two boxes are in different types of cars and having same problems. At first they said that the fluid temperature is getting too hot and causing the tollerances to close up and to add a cooler to the system. I did this and the problem did not go away so i added another cooler and the problem is still there but not as bad. This is basically fixing the symptom and not fixing the problem. Gearheads seems reluctant to respond to these issues for some reason. I am hoping to get this resolved soon as my summer cruzin plans went out the window in a hurry.
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Old 08-29-2006, 04:48 PM
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Quote:
Originally Posted by 60tbirdrick

At first they said that the fluid temperature is getting too hot and causing the tollerances to close up and to add a cooler to the system. I did this and the problem did not go away so i added another cooler and the problem is still there but not as bad.

This is basically fixing the symptom and not fixing the problem. Gearheads seems reluctant to respond to these issues for some reason. I am hoping to get this resolved soon as my summer cruzin plans went out the window in a hurry.
Awfully expensive add-on not to work properly or bring much interest from the vendor.

Please keep us informed if you can. Usually, hot fluid just leads to seal deterioation. If the thing is locking up, I would think there is something wrong in the way they adapted the housing leading to some type of binding inside.

Have you come across other complaints?
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Old 08-29-2006, 05:30 PM
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other complaints

I for one thought I just had a bad box. I guess it feels good to not be alone.THIS IS A SAFETY ISSUE !!! This problem has ruined my summer,with AOD gets 20mpg , and I planed several trips. I doin't know how many people have had a good outcome,but, our problem remains.
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Old 08-30-2006, 03:04 AM
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Comparing Notes From Another Thread

Below Excerpts From -Power Steering Won't Return To Center Thread-

Quote:
Originally Posted by HUH? 04-28-2006, 09:34 PM

For years modified 605 steering boxes were the only option for 55-57 Chevies. Everyone had the same complaints; no road feel (overpowered) and uncomfortable at speed because the box would not return to straight ahead.

No one ever found a cure for the problems. Tri five owners are converting to CPP's power unit based on 670 internal components and one that is 600 Saginaw based as well as power rack and pinion setups.
Quote:
Originally Posted by Wrenches4hands 07-13-2006, 04:53 PM

...what about the power steering pump pressure? do you think it might just be providing to much pressure all the time.

You said you put the manual box back on and tried it with no problems. Well what about disconnecting the pump and drain most of the fluid from the pump, and then try it with the power box.
FORD used the Saginaw box a great deal in addition to the FORD box in the seventies. The suggestion of pump pressure makes sense as most current conversions (box and rack) call for the use of a Saginaw pump or a pressure reduction valve which in turns seems to create the same problems, I would imagine due to decreased fluid flow resulting from trying to reduce the operating pressure of the FORD pump (whether EATON, THOMPSON or C-II).

FORD used this pump on the seventies intermediates and had to use the Saginaw pump for Hydro-Boost applications. This had to have something to do with pressure/volume.

The suggestion above calling for removing the assist feature (I would simply remove the drive belt) and seeing how the box performs while driving it without assist makes sense (make sure you have a double ration of Cheerios).

A problem such as this requires a diagnostic pressure gauge to isolate one system from another and to analize any problem within the system, whether assist or mechanical. The procedure is described in any seventies shop manual. You would have to research the required operating pressure of the origional box installation and then try to shim the relief valve in the pump to meet those specs it seems to me.

The above is just conjecture but it might be an option as it seems the vendor has no idea of what is going on (or does and won't own up to it) (one expensive recall).
_____________________________________________

Am Looking For Factory/Aftermarket Speed Parts For The MEL (MERC-EDSEL-LINC-TBIRD) Engine Family (383-410-430-462) Produced From 1958 To 1968

Also Early FORD Special Service Tools


-Mercury-Edsel-Lincoln Engine Forum

Last edited by Helena; 05-02-2012 at 08:55 AM. Reason: Violation of guidelines. Please see: general board guidelines.
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Old 08-30-2006, 11:05 AM
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605 box

I finally heard from a retired FE shop owner.He had an hot rod align shop.He said 605 boxes are junk! I wish I talked to him before I did the deal.Vendor must be aware of lockup problem,may not know a fix. Summer's almost gone ......!!!! As for driving with no boost, hard to do with modifyed steering colume.

Last edited by grandpaws 57; 08-30-2006 at 11:07 AM. Reason: spelling
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