Meet Regina FQ3, a 1970 Polara convertible who turns 51 today

saforwardlook

Old Man with a Hat
FCBO Gold Member
Joined
Oct 8, 2011
Messages
7,141
Reaction score
12,002
Location
California
Thank you -- but Regina has the B51 power drum brakes, not the B41 power disc brakes. So it is a drum brake that I needed, and that is what I ordered.

I have been happy with the Raybestos brake pads and the disc brake MC that I bought three years ago. But my experience is a single data point, what has yours been?

OK, thanks. I am more familiar with the 1971 models and I believe disc brakes were standard on that year at least but I might be wrong. My experience with Raybestos was they listed a rotor available for one of the disc brake models and when it was received it was made by Centric, not a Raybestos 2 piece assembly as original. But I was actually happier with the one piece part anyway.

What threw me off is that I do not recall ever seeing a drum brake master cylinder on an original Chrysler product with a bail on it - only a bail on disc brake ones. The drum brake cars did have a top on it like you show but it was held down with a kind of V shaped bracket with a bolt, not a bail - but then I have only had a couple drum brake cars.
 
Last edited:

ayilar

Senior Member
FCBO Gold Member
Joined
Jan 30, 2012
Messages
4,997
Reaction score
7,137
Location
USA
OK, thanks. (...) What threw me off is that I do not recall ever seeing a drum brake master cylinder on an original Chrysler product with a bail on it - only a bail on disc brake ones. The drum brake cars did have a top on it like you show but it was held down with a kind of V shaped bracket with a bolt, not a bail - but then I have only had a couple drum brake cars.

Thank you, the matter of what the original MC for power drum brake cars looks like has been bugging me for a while and indeed I started a thread, that got a number of contributions, here:


The conclusion I have formed is that, for drum cars, bail-wire master cylinders may be aftermarket pieces from a long time ago.
 

JohnNOLA

Member
Joined
Mar 17, 2021
Messages
72
Reaction score
38
Location
New Orleans
Thank you -- but Regina has the B51 power drum brakes, not the B41 power disc brakes. So it is a drum brake that I needed, and that is what I ordered.

I have been happy with the Raybestos brake pads and the disc brake MC that I bought three years ago. But my experience is a single data point, what has yours been?

Probably also a single data point.
 

HWYCRZR

Senior Member
FCBO Gold Member
Joined
May 13, 2015
Messages
4,280
Reaction score
5,875
Location
Fargo, ND
I few years ago I bought and returned a few master cylinders (drum brake) until I finally found a match to the original with the V shape hold down. The pictures were always the correct one, but what showed up was what you pictured above.
 

Big_John

Illegitimi non carborundum
FCBO Gold Member
Joined
May 21, 2013
Messages
15,714
Reaction score
21,058
Location
Marcellus, NY
The Raybestos MC36221 booster that I bought was made in China, and looks like the generic replacement booster that we have seen on many cars -- here is a photo from the Summit site. I guess I can't win every time...

View attachment 523407
I had one of those on my Barracuda and it drove me nuts every time I opened the hood. I had an issue that seemed like it was the MC (turned out to be a wheel cylinder) and I bought a repop like this one off eBay. 1960's Mopar Bendix Master Cylinder DRUM Brakes 1" Bore Dodge Plymouth Chrysler | eBay

Yep, made in China etc., but it's been on the car a few years now with no problem.

Every once in a while, there will be a new "correct" cover that will pop up on eBay, usually not much less than the cost of a new MC. If it bothers you too much, you could buy aa repop, swap lids and toss the new one on the shelf for use another time.
 

ayilar

Senior Member
FCBO Gold Member
Joined
Jan 30, 2012
Messages
4,997
Reaction score
7,137
Location
USA
One thing that Regina needed is work on her alternator. That is now done.

I'd posted here a photo before restoration showing the part of the casting with the original part # (3438201) and the stamp of the 1969 build date. Here is another taken by @71Polara383 after the work done by Forrest City Auto Electric.

Resized_Resized_20220506_151433.jpg
 
Last edited:

ayilar

Senior Member
FCBO Gold Member
Joined
Jan 30, 2012
Messages
4,997
Reaction score
7,137
Location
USA
Thanks to @marty mopar today I found a better solution that rodding out the original radiator: an NOS 2998964 22" radiator for 383-powered 1970 C-bodies without A/C. It was for sale in Iowa and it is the correct P/N so, at $255 shipped, I quickly went for it. @Rustyrodknocker was also interested but kindly let me have it as he does not have an immediate need for it. Thank you both!
Well, @71Polara383 has installed the radiator just in time for summer! Here are some photos that he sent to me, with a report of success:

1654006790702.jpeg

1654006803024.jpeg

1654006814173.jpeg


He let the car idle for a good half hour and this is the highest it went:
1654006848160.jpeg


Wyatt increased the RPMs to about 2,000, and the temp needle came down right away:
1654006957540.jpeg


Subject to more road-testing by yours truly this summer, the radiator seems good!

PS: The electric radiator installed under prior ownership has been removed, but I am keeping it in case it might help in stop-and-go driving amid hot/humid weather. We shall see.
 
Top