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Username Post: converting '58 manual steering to power steering        (Topic#366435)
LtFrankDrebin 
Super Senior Member
Posts: 5307
LtFrankDrebin
Loc: Coopersburg, PA
Reg: 01-25-01
09-17-21 04:54 PM - Post#2827285    

Thinking of converting my manual steering '58 Impala 348 3x2 to factory power steering. What components are involved in this conversion? This is what I know so far: generator/pump combo, center link, hoses, hose bracket, slave cylinder, and control valve. Anything else, even the most ancillary items? Is the steering box the same? What about the generator mounting bracket?

'56 210 Townsman wagon 6cyl/3spd OD | '58 Impala Sierra Gold 348


 


prgm_mgr 
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Posts: 573

Reg: 07-06-05
09-18-21 11:12 AM - Post#2827315    
    In response to LtFrankDrebin

Hi
Do you happen to have an Assembly Manual? Probably the best investment I made for about $25.00. There's a section showing the power steering parts and numbers you'll need for this project.

Also watch how you connect the hoses. Doing them opposite causes the steering wheel to go back and forth when at idle. You can guess how I know. Easy fix, just reverse the hoses

Good luck!
Mark



 
LtFrankDrebin 
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LtFrankDrebin
Loc: Coopersburg, PA
Reg: 01-25-01
09-18-21 04:31 PM - Post#2827330    
    In response to prgm_mgr

Thanks, Mark. I believe I do have a '58 Assembly Manual.

Wyatt

'56 210 Townsman wagon 6cyl/3spd OD | '58 Impala Sierra Gold 348


 
LtFrankDrebin 
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Posts: 5307
LtFrankDrebin
Loc: Coopersburg, PA
Reg: 01-25-01
09-18-21 08:49 PM - Post#2827344    
    In response to LtFrankDrebin

The Assembly Manual was a huge help. Seems that there aren't too many components involved. Looks like the hardest part to get will be the hose clamp that mounts to the frame or splash pan with two bolts. What about the parts that may be the same/may be different for PS vs non-PS? I'm talking 1) Pitman arm, 2) idler arm, and 3) tie rod ends.

'56 210 Townsman wagon 6cyl/3spd OD | '58 Impala Sierra Gold 348


 
LtFrankDrebin 
Super Senior Member
Posts: 5307
LtFrankDrebin
Loc: Coopersburg, PA
Reg: 01-25-01
09-18-21 09:18 PM - Post#2827351    
    In response to LtFrankDrebin

Looks like the pitman and idler arms are the same for PS and non-PS. How does the factory system work? It seems to be reactionary. I'm guessing the control valve senses a relative motion between the Pitman arm and the center link. If there is this relative motion, hydraulic assist is applied. Does this "play" between the pitman arm and center link cause any kind of sloppiness? How much horsepower does power steering rob from the engine? Any regrets with going with factory PS? Is it better than manual steering? I will not consider aftermarket PS. Want to be as stock as possible.

'56 210 Townsman wagon 6cyl/3spd OD | '58 Impala Sierra Gold 348


 
DonSSDD 
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DonSSDD
Loc: Nova Scotia, Canada
Reg: 08-21-01
09-19-21 02:26 AM - Post#2827357    
    In response to LtFrankDrebin

It does have a tiny bit of play and is very light but the stock system works great imho. If you find manual Armstrong steering requires too much muscle at low speed, I think you’ll be happy.

I might have the parts you need if you can’t find them closer to home. They may be reproduced or check with Southeast Chevrolet.

63 Pontiac Parisienne Sport Coupe(CDN Chev mechanically (409, 4 speed),62 Bel Air SC (sold), 59 El Camino (sold), 62 Bel Air SC(sold), 63 SWC Vette (sold),
Member #2194


 
Jalapeno 
Member #252
Posts: 9883

Loc: The Republic of Texas
Reg: 04-30-00
09-19-21 07:30 AM - Post#2827372    
    In response to LtFrankDrebin

Your list is mostly complete, missing just a few items: The generator bracket for a PS generator is specific to 348; The cylinder shaft bracket under the driver side frame rail. The steering gear is the same.

The Shop Manual outlines the PS system and how it functions.

Jalapeno


 
DonSSDD 
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DonSSDD
Loc: Nova Scotia, Canada
Reg: 08-21-01
09-19-21 07:47 AM - Post#2827374    
    In response to Jalapeno

So Steve, he has a 348 with generator, the PS mount is different? I thought I used my generator ps on my 409 with the 283 mount.

63 Pontiac Parisienne Sport Coupe(CDN Chev mechanically (409, 4 speed),62 Bel Air SC (sold), 59 El Camino (sold), 62 Bel Air SC(sold), 63 SWC Vette (sold),
Member #2194


 
LtFrankDrebin 
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Posts: 5307
LtFrankDrebin
Loc: Coopersburg, PA
Reg: 01-25-01
09-19-21 10:25 AM - Post#2827396    
    In response to DonSSDD

Thanks for the responses, guys. I pretty much have the list of parts in my head now. Are all of the holes for the brackets already there, in the frame and splash pan? Don, The 348 PS generator bracket is different because it raises the generator/PS pump a little. Not sure why, but maybe to get the PS pump farther away from the exhaust manifold?

'56 210 Townsman wagon 6cyl/3spd OD | '58 Impala Sierra Gold 348


 
DonSSDD 
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DonSSDD
Loc: Nova Scotia, Canada
Reg: 08-21-01
09-19-21 11:12 AM - Post#2827404    
    In response to DonSSDD

I think I must have used part of my 63 alternator mount on my manifold on the 59 and attached a stock 59 generator bracket to it. May have had to drill some new holes for bolts to align the pulley.

63 Pontiac Parisienne Sport Coupe(CDN Chev mechanically (409, 4 speed),62 Bel Air SC (sold), 59 El Camino (sold), 62 Bel Air SC(sold), 63 SWC Vette (sold),
Member #2194


 
DonSSDD 
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Posts: 7633
DonSSDD
Loc: Nova Scotia, Canada
Reg: 08-21-01
09-19-21 11:18 AM - Post#2827405    
    In response to DonSSDD

Frank, the 59 splash pan is a pretty unique piece only used in 5 and maybe early 60. My car seemed to be a correct 283 with ps and the pan that was on the car worked with the 283 and 409. I believe there is more than one pan?

All the bolt holes are there, I’ll see what pics I have. I think any of the different brackets bolt into existing holes. My memory is crap and this was 10-15 years ago.

63 Pontiac Parisienne Sport Coupe(CDN Chev mechanically (409, 4 speed),62 Bel Air SC (sold), 59 El Camino (sold), 62 Bel Air SC(sold), 63 SWC Vette (sold),
Member #2194


 
DonSSDD 
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DonSSDD
Loc: Nova Scotia, Canada
Reg: 08-21-01
09-19-21 12:19 PM - Post#2827412    
    In response to DonSSDD

Frank, some pics of my 59 ps from when I got the car, I since sold it. My 283 burned 1 litre of oil to 50 litres of gas, I tell everyone it was a 2 stroke.


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63 Pontiac Parisienne Sport Coupe(CDN Chev mechanically (409, 4 speed),62 Bel Air SC (sold), 59 El Camino (sold), 62 Bel Air SC(sold), 63 SWC Vette (sold),
Member #2194


 
DonSSDD 
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DonSSDD
Loc: Nova Scotia, Canada
Reg: 08-21-01
09-19-21 12:21 PM - Post#2827413    
    In response to DonSSDD



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63 Pontiac Parisienne Sport Coupe(CDN Chev mechanically (409, 4 speed),62 Bel Air SC (sold), 59 El Camino (sold), 62 Bel Air SC(sold), 63 SWC Vette (sold),
Member #2194


 
prgm_mgr 
Member
Posts: 573

Reg: 07-06-05
09-19-21 04:19 PM - Post#2827437    
    In response to DonSSDD

There used to be a parts Manual online. If you wonder about parts being different between PS and manual that would be a place to start. The link may be at the top of this area of the blog. I'll see if I can find it again.
Mark



 
prgm_mgr 
Member
Posts: 573

Reg: 07-06-05
09-19-21 04:24 PM - Post#2827440    
    In response to prgm_mgr



http://chevy.oldcarmanualproject.com/parts/1958/in...
Found it!
Mark



Edited by prgm_mgr on 09-19-21 04:35 PM. Reason for edit: No reason given.

 
LtFrankDrebin 
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LtFrankDrebin
Loc: Coopersburg, PA
Reg: 01-25-01
09-19-21 07:30 PM - Post#2827454    
    In response to DonSSDD

Thank you, DonSS. What is that bottom a picture of? Looks like a sway bar/cylinder ram combo bracket. Is that used when you have a sway bar?

'56 210 Townsman wagon 6cyl/3spd OD | '58 Impala Sierra Gold 348


 
DonSSDD 
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DonSSDD
Loc: Nova Scotia, Canada
Reg: 08-21-01
09-20-21 01:22 AM - Post#2827459    
    In response to LtFrankDrebin

That’s the bracket that the hydraulic cylinder ram bolts to With the sway bar I think. I can check on my 63. As you can see by the old grease, the leaks kept parts from rusting.

63 Pontiac Parisienne Sport Coupe(CDN Chev mechanically (409, 4 speed),62 Bel Air SC (sold), 59 El Camino (sold), 62 Bel Air SC(sold), 63 SWC Vette (sold),
Member #2194


Edited by DonSSDD on 09-20-21 01:27 AM. Reason for edit: No reason given.

 
DonSSDD 
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Posts: 7633
DonSSDD
Loc: Nova Scotia, Canada
Reg: 08-21-01
09-20-21 04:04 AM - Post#2827464    
    In response to DonSSDD

power sterring swaybar bracket 1963 impala

Found this pic online.


Attachment: 1EA5730D-F5D8-41DF-9055-0F50F24276D8.jpeg (101.88 KB) 0 View(s)




63 Pontiac Parisienne Sport Coupe(CDN Chev mechanically (409, 4 speed),62 Bel Air SC (sold), 59 El Camino (sold), 62 Bel Air SC(sold), 63 SWC Vette (sold),
Member #2194


 
Jalapeno 
Member #252
Posts: 9883

Loc: The Republic of Texas
Reg: 04-30-00
09-20-21 06:51 AM - Post#2827472    
    In response to DonSSDD

  • DonSSDD Said:
So Steve, he has a 348 with generator, the PS mount is different? I thought I used my generator ps on my 409 with the 283 mount.



For 1958 and 1959, the generator bracket for a non-PS generator on a 348 is different than the generator bracket for a PS generator on a 348.


Jalapeno


 
Jalapeno 
Member #252
Posts: 9883

Loc: The Republic of Texas
Reg: 04-30-00
09-20-21 06:53 AM - Post#2827473    
    In response to LtFrankDrebin

  • LtFrankDrebin Said:
Are all of the holes for the brackets already there, in the frame and splash pan?



Frame holes are there. Splash pan has dimples.


Jalapeno


 
Jalapeno 
Member #252
Posts: 9883

Loc: The Republic of Texas
Reg: 04-30-00
09-20-21 07:05 AM - Post#2827475    
    In response to LtFrankDrebin

  • LtFrankDrebin Said:
Thank you, DonSS. What is that bottom a picture of? Looks like a sway bar/cylinder ram combo bracket. Is that used when you have a sway bar?



The cast bracket is exactly that, combination PS cyl shaft mount with ant-sway bar.

The cast bracket is 1962-64. The earlier style 1958-61 is a stamped steel piece. Same logistics for each, they are interchangeable. The stamped steel version required the anti-sway bar bushing bracket too, the cast one incorporated it. No anti-sway bar on six cyl cars, only V8s.

Don't forget the 2 reinforcement plates inside the frame rails. Without them the rail will tear. This happened with early 58s with PS, the reinforcement plates were added mid-year, dealers had to retro-fit them if there was a problem.

Jalapeno


 
LtFrankDrebin 
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LtFrankDrebin
Loc: Coopersburg, PA
Reg: 01-25-01
09-20-21 07:27 PM - Post#2827564    
    In response to Jalapeno

Jalapeno, What do these reinforcement plates looks like and where can I find them? Good thing you said something about it because I would have never known.

'56 210 Townsman wagon 6cyl/3spd OD | '58 Impala Sierra Gold 348


 
Jalapeno 
Member #252
Posts: 9883

Loc: The Republic of Texas
Reg: 04-30-00
09-24-21 11:31 AM - Post#2827873    
    In response to LtFrankDrebin

Don's pic of the cast bracket shows the reinforcement plates. Easily fabricated from flat stock.


Jalapeno


 
LtFrankDrebin 
Super Senior Member
Posts: 5307
LtFrankDrebin
Loc: Coopersburg, PA
Reg: 01-25-01
09-24-21 04:50 PM - Post#2827898    
    In response to Jalapeno

Oh ok, I thought those might be the reinforcement plates you spoke of. Thank you.

'56 210 Townsman wagon 6cyl/3spd OD | '58 Impala Sierra Gold 348


 
LtFrankDrebin 
Super Senior Member
Posts: 5307
LtFrankDrebin
Loc: Coopersburg, PA
Reg: 01-25-01
10-05-21 12:43 PM - Post#2828561    
    In response to LtFrankDrebin

Is the correct '58 pump one or two bolts holding the reservoir on?

'56 210 Townsman wagon 6cyl/3spd OD | '58 Impala Sierra Gold 348


 
LtFrankDrebin 
Super Senior Member
Posts: 5307
LtFrankDrebin
Loc: Coopersburg, PA
Reg: 01-25-01
10-08-21 07:49 PM - Post#2828832    
    In response to LtFrankDrebin

Guess I'll have to answer my own question.... It appears the '58 PS reservoir has one bolt.

'56 210 Townsman wagon 6cyl/3spd OD | '58 Impala Sierra Gold 348


 


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