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Power Brake Booster 1955 Chrysler
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grubin
Posted 2013-03-17 9:31 AM (#365101)
Subject: Power Brake Booster 1955 Chrysler


Regular

Posts: 90
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Location: Lake George NY
Can anyone guide me to a vendor to purchase a rebuilt power brake booster and master cyl for my 1955 NewYorker Thanks Gary
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Shep
Posted 2013-03-17 9:52 AM (#365106 - in reply to #365101)
Subject: Re: Power Brake Booster 1955 Chrysler



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Posts: 3114
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Location: Chestertown, NY ( near Lake George)
On my 55 I converted my whole set up to a dual master and booster from a 68 New Yorker. Let me know if you want the source and p/n's.
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Beltran
Posted 2013-03-17 12:27 PM (#365124 - in reply to #365101)
Subject: Re: Power Brake Booster 1955 Chrysler



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I would recommend a conversion. The 55 was a one off 1 year only part. I had to have mine rebuilt and the guys at Karps had to do it 3 times to get it right. (bad seals from a supplier) Very expensive and not worth it in my opinion. Shep I would like to have that info if you don't mind. If this one fails I will be changing it.
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grubin
Posted 2013-03-17 3:15 PM (#365138 - in reply to #365101)
Subject: RE: Power Brake Booster 1955 Chrysler


Regular

Posts: 90
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Location: Lake George NY
Thanks guys yes please send me the info to covert Thanks Gary
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d500neil
Posted 2013-03-17 4:58 PM (#365145 - in reply to #365138)
Subject: Re: Power Brake Booster 1955 Chrysler



Exner Expert 19,174 posts. Neil passed away 18 Sep 2015. You will be missed, Neil!

Posts: 19171
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Location: bishop, ca
Gary before you go to a lot of time and trouble, please contact Boostery Dewey: http://boosterdeweyexchange.com/
to see what he can do for you.

If you have not had your car's OEM master cylinder be overhauled, Karp's and other places (check w/Dewey) can rebuild
it, so that it will never leak/fail on you.



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dukeboy
Posted 2013-03-17 5:24 PM (#365148 - in reply to #365106)
Subject: Re: Power Brake Booster 1955 Chrysler



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Shep - 2013-03-17 9:52 AM

On my 55 I converted my whole set up to a dual master and booster from a 68 New Yorker. Let me know if you want the source and p/n's.







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Attachments
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Attachments 2thumbs.gif (1KB - 157 downloads)
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Shep
Posted 2013-03-17 6:33 PM (#365154 - in reply to #365148)
Subject: Re: Power Brake Booster 1955 Chrysler



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Posts: 3114
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Location: Chestertown, NY ( near Lake George)
Booster was Cardone # 5473547 with the 4/34 inch rod to pedal or # 5473533 with the 5 3/8 rod ( check this dimension). The MC is Raybestos 36221, there a spacer block used between the mc and booster for proper spacing.

Edited by Shep 2013-03-17 6:34 PM
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d500neil
Posted 2013-03-18 3:12 PM (#365277 - in reply to #365154)
Subject: Re: Power Brake Booster 1955 Chrysler



Exner Expert 19,174 posts. Neil passed away 18 Sep 2015. You will be missed, Neil!

Posts: 19171
500050005000200020001002525
Location: bishop, ca
Yup; and the single-pot master cylinder is ubiquitous; you can send yours out for an overhaul, or you can buy another
one, and have it be sent out for O/H, while you continue to drive your car, until you are ready to install it, along with your
overhauled brake booster.


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dukeboy
Posted 2013-03-19 6:11 PM (#365450 - in reply to #365154)
Subject: Re: Power Brake Booster 1955 Chrysler



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Shep - 2013-03-17 6:33 PM

Booster was Cardone # 5473547 with the 4/34 inch rod to pedal or # 5473533 with the 5 3/8 rod ( check this dimension). The MC is Raybestos 36221, there a spacer block used between the mc and booster for proper spacing.


Thanks for these part numbers Shep. These will be great for someone looking to update that old, antiquated set up.
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JKelly0657
Posted 2015-09-29 2:04 PM (#490951 - in reply to #365101)
Subject: RE: Power Brake Booster 1955 Chrysler


Member

Posts: 17

I have owned my '55 St. Regis for 13 years. It is a wonderful car except for the power brakes. I have spent north of $2000 on brake work (including 2 booster/MC rebuilds by White Post Restorations) without any noticeable improvement. The braking performance is about the same or worse than a non-power brake system. To stop you have to really stand on the brakes. I ran across this thread and wondered if the change in booster and MC resulted satisfactory braking performance. I also wondered if this is as simply as removing the original parts and bolting on the replacement parts and then bleeding the system.

Thanks.
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Shep
Posted 2015-09-29 6:54 PM (#490972 - in reply to #490951)
Subject: Re: Power Brake Booster 1955 Chrysler



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Posts: 3114
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Location: Chestertown, NY ( near Lake George)
See my post above, my 55 brakes were terrific.
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jimntempe
Posted 2015-09-30 2:37 PM (#491038 - in reply to #365101)
Subject: Re: Power Brake Booster 1955 Chrysler



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Jkelly - just a shot in the dark but did the 55 have a vacuum reservoir on the fender like many of the FLs did and if so do you have one on yours? And if you have one is it hooked up correctly and can the "vacuum" easily flow in and out of it. The problem of it feeling worse than a non-power system could be as simple as not getting "vacuum flow" to the booster. Have you checked to see how many inches of vacuum you have AT the booster inlet? The amount of "boost" depends entirely on the amount of vacuum. I would expect you should have at least 15" with the car idling in gear. If you press and hold the brake is will drop but should immediately go back up once pedal movement stops.
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Big Swede
Posted 2015-09-30 8:56 PM (#491052 - in reply to #365101)
Subject: Re: Power Brake Booster 1955 Chrysler



Member

Posts: 19

Shep, would your conversion work on a '55 Plymouth Savoy?
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JKelly0657
Posted 2015-10-04 12:14 PM (#491365 - in reply to #491038)
Subject: Re: Power Brake Booster 1955 Chrysler


Member

Posts: 17

Thanks for your response. No...there is no vacuum reservoir. As to the amount of vacuum....I am sure it was checked. The pedal does go down and comes back up when released. Over the years I have had 3 different, highly regarded shops work on the brakes. All the shops have experience on older collector cars. Having said that I will have the vacuum checked to make sure it is where it should be. I have read as much as I can find on this issue and it seems this Kelsey Hayes setup which was used only in 1955 never provided satisfactory braking. I always try to keep my collector cars as original as possible but in this instance I am now willing to modify the brakes if that will provide safe, satisfactory braking. Thank you for your response and suggestions!

JK
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JKelly0657
Posted 2015-10-04 12:18 PM (#491368 - in reply to #490972)
Subject: Re: Power Brake Booster 1955 Chrysler


Member

Posts: 17

Thanks for the response Shep.

JK
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Shep
Posted 2015-10-04 6:57 PM (#491395 - in reply to #491052)
Subject: Re: Power Brake Booster 1955 Chrysler



Expert

Posts: 3114
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Location: Chestertown, NY ( near Lake George)
Should, if it had power brakes originally.
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dutchtat619
Posted 2019-03-05 3:18 AM (#578890 - in reply to #365154)
Subject: Re: Power Brake Booster 1955 Chrysler


New User

Posts: 1

Hi Shep. Thanks for your support on here. Do you know the correct size of the spacer between the master cylinder and the new booster?
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