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69 master cylinder

Started by 70 sublime, July 17, 2019, 01:49:43 PM

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70 sublime

What does an original master cylinder for a 69 Charger look like ??

Google shows me 10 different pictures of all different ones

I broke down and ordered a rebuilt master cylinder from NAPA and do not want to take back my core if it is the original
My car is power 4 wheel drum
next project 70 Charger FJ5 green

Dano 1

Here's what my believed to be original 4-wheel power drum master cylinder looks like. I believe the drum cylinders have the bolt-on reservoir cap and the disc have the spring rod.

1969 Charger 383 2bbl, R4 red, White hat special project

70 sublime

Quote from: Dano 1 on July 18, 2019, 06:51:42 AM
Here's what my believed to be original 4-wheel power drum master cylinder looks like. I believe the drum cylinders have the bolt-on reservoir cap and the disc have the spring rod.



Is your car a 70 with that type of booster ?

My booster is the other type
next project 70 Charger FJ5 green

Dano 1

Nope '69 with power drums all around. The drum booster should have a band clamp all the way around and look like this (same as mine):



The disc booster would look like this:



I can get some better pics this afternoon if that would be helpful.
1969 Charger 383 2bbl, R4 red, White hat special project

70 sublime

My car and a booster I got with some 70 stuff
My car is built Aug 1968 so it might be 68 stuff
In this picture I have already changed the master cylinder
next project 70 Charger FJ5 green

70 sublime

This is the master cylinder I took off my car and just wondering if it is the original and I might just keep it around instead of returning it for the core deposit

Last picture is the one that came on my car and the one on the left is from my spare brake booster
next project 70 Charger FJ5 green

70 sublime

So what started the whole thing for me going down this road is my brake pedal does not come all the way back up
You have to lift it up to get the last little bit of brakes to release and brake lights to go off
I have changed everything from wheel cylinders to flex lines and now master cylinder
( yes all the air has been bled out of the lines )

So now the only thing left it could be is my booster is on the way out so ....

Nobody seems to sell boosters they just want to rebuild your old one and send it back to you
Not wanting to be dead in the water for who knows how long while I send my booster in for rebuild
I thought I would try an old one I have in my spare parts pile
Not looking forward to getting up under the dash to get the 4 nuts off I thought I might just check inside the one I have to see if any holes in it

Got it all apart and other than some crud it look ok to just clean up and put back together  :2thumbs:  
next project 70 Charger FJ5 green


gtx6970

Should be a Midland ross booster.
Yellow zinc dichromate plated.
Master cylinder is shown here in the back ground

gtx6970

Better picture of the master cylinder

70 sublime

Quote from: gtx6970 on July 18, 2019, 10:52:14 PM
Better picture of the master cylinder


Sweet so I still have the original master cylinder and will not return it for the core
Will get a kit to rebuild it  :2thumbs:
next project 70 Charger FJ5 green