Power brake booster
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Mountain Pass
Joined: Nov 2017
Posts: 165
Likes: 1
Power brake booster
Er der nogen der kan hjælpe mig, jeg har bremsecylinderne som vist på billedet, cylinderen har 4 huller, som man skal bruge til forsiden, og som bagtil er der forskellige størrelser af hullerne 1-2 er største. Cylinderen er ny, og jeg tror, det er fra halvtreds. Jeg har tromlebremser både for og bag.
Skal jeg sætte en af de 1-2 ud, og kun bruge et af de 1-2 huller bagud. Og brug 3 og 4 en til hver af de forreste bremser.? Gummidimperne, der ligger oven på rammen på billedet, skal bruges mellem cylinderen og bremseforstærkeren.
Senior User
Joined: Aug 2015
Posts: 401
Likes: 1
From: North Vancouver, BC
Translation from Norwegian:
Is there anybody who can help me, I have the brake cylinders as shown in the picture, the cylinder has 4 holes that you have to use for the front and, as behind, there are different sizes of holes 1-2 being greatest. The cylinder is new and I think it's from fifty. I have drum brakes both front and rear.
Should I put one of the 1-2, and use only one of the 1-2 holes in the back. And use 3 and 4 one for each of the front brakes.? The rubber jaws that lie on top of the frame on the image must be used between the cylinder and the brake amplifier.
Is there anybody who can help me, I have the brake cylinders as shown in the picture, the cylinder has 4 holes that you have to use for the front and, as behind, there are different sizes of holes 1-2 being greatest. The cylinder is new and I think it's from fifty. I have drum brakes both front and rear.
Should I put one of the 1-2, and use only one of the 1-2 holes in the back. And use 3 and 4 one for each of the front brakes.? The rubber jaws that lie on top of the frame on the image must be used between the cylinder and the brake amplifier.
Thread Starter
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Mountain Pass
Joined: Nov 2017
Posts: 165
Likes: 1
Sorry i again
Is there anyone who can help me.
I have the brake cylinders as shown in the picture, the cylinder has 4 holes there are different sites of hole 1-2 is the biggest. The cylinder is new and I think it's from fifty. I have drum brakes both front and rear. Should I put one of the 1-2, and use only one of the 1-2 holes for the back. And use 3 and 4, one for each of the front brakes.?
The rubber jaws that lie on top of the frame on the picture must be used between the cylinder and the brake booster.
Is there anyone who can help me.
I have the brake cylinders as shown in the picture, the cylinder has 4 holes there are different sites of hole 1-2 is the biggest. The cylinder is new and I think it's from fifty. I have drum brakes both front and rear. Should I put one of the 1-2, and use only one of the 1-2 holes for the back. And use 3 and 4, one for each of the front brakes.?
The rubber jaws that lie on top of the frame on the picture must be used between the cylinder and the brake booster.
Logistics Pro
Joined: Sep 2014
Posts: 4,920
Likes: 21
From: Bothell & Silverdale, WA
Looks to me like a four-port GM master cylinder. Don't know if they were used on Fords or not.
https://www.ebay.com/i/162601447494?chn=ps
This might be his complete setup.
https://www.ebay.com/itm/7-Single-Br....c100677.m4598
https://www.ebay.com/i/162601447494?chn=ps
This might be his complete setup.
https://www.ebay.com/itm/7-Single-Br....c100677.m4598
Senior User
Joined: Oct 2003
Posts: 153
Likes: 1
brake booster MC
Greetings,
I have a similar master cylinder in my Ford F-1. You only need to use two of the holes in your master cylinder. In your case it would be the two on the right side (those shown in the photo). The two on the other side are to be plugged.
One of the holes is for the rear brake lines and the other for the front but I am not sure which is which.
Hope this helps a little.
I have a similar master cylinder in my Ford F-1. You only need to use two of the holes in your master cylinder. In your case it would be the two on the right side (those shown in the photo). The two on the other side are to be plugged.
One of the holes is for the rear brake lines and the other for the front but I am not sure which is which.
Hope this helps a little.
Laughing Gas
Joined: Oct 2012
Posts: 831
Likes: 7
From: Milford, Michigan
That looks like a CPP master cylinder. The ports that are farthest from the mounting tabs (marked 3-4) should be the front brakes and the larger back ports nearest the mounting flange (marked 1-2) go to the rear brakes. I would be interested in knowing how these work for you with what looks like a 7" dual diaphragm booster. I am using a master cylinder just like you have ( with a 1 1/8" bore) but with a 8" single diaphragm booster and my brakes are very touchy.
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Mountain Pass
Joined: Nov 2017
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Cougar
du i have to plug one of 1-2 and use one of Them for the back, and use 3-4 one hole for front left and one for the right?
Maybe you Can poste a picture of your Master cylinder?
sorry but do you mean obout touchy
du i have to plug one of 1-2 and use one of Them for the back, and use 3-4 one hole for front left and one for the right?
Maybe you Can poste a picture of your Master cylinder?
sorry but do you mean obout touchy
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Laughing Gas
Joined: Oct 2012
Posts: 831
Likes: 7
From: Milford, Michigan
"Touchy" means that the brakes engage very fast with not much pedal pressure and smooth slow stops are not so easy.
Here are the connections.
Here is my front brake tee
Laughing Gas
Joined: Oct 2012
Posts: 831
Likes: 7
From: Milford, Michigan
Those are residual check valves which are required when the master cylinder is located on the frame below the height of the wheel cylinders (or calipers if using disc brakes). They hold a small amount of pressure in the lines to keep the drum return springs (in the case of drum brakes) from pushing all the fluid back into the master. This keeps you from having very long brake pedal travel every time you stop. The red cylinders are 10 pound check valves which are needed on drum brakes and there are blue cylinders available which are only 2 pounds which are used for calipers on disc brakes. Some master cylinders have this check valve built into the master but the CPP cylinders do not.
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Mountain Pass
Joined: Nov 2017
Posts: 165
Likes: 1
I thank you many times for the fine answer as well as the patience, on the picture I have put the rubber hat on the frame, is it meant that it should be between the master cylinder and the booster or should it just be thrown away
Laughing Gas
Joined: Oct 2012
Posts: 831
Likes: 7
From: Milford, Michigan
Brake light switch.
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