ConcoursMustang Forums
1st Generation 1964 1/2 - 1973 - Questions & general discussions that apply to a specific year => 1967 Mustang => Topic started by: jdishong on June 08, 2025, 01:49:02 PM
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I've got 1967 Mustang S-code, GT (Power disc), 4-speed car that was restored under prior ownership. This car has a relatively early build date in JAN 1967. I'm working some brake issues and while investigating I see brake line fitting adapters were used, 5 of them. I'll assume Ford did NOT use all of these adapters and I'd prefer to purchase the correct items to solve this.
Here are the details:
- My brake pressure distribution Valve (2B257) has (2) mounting bolts as shown in photo.
- 2B257 block FRONT port threads are 3/8"-24,
- 2B257 block REAR port threads are 7/16"-20.
- The cars FRONT BRAKE LINES use 1/2"-20 hence the reason why there is an adapter
- The cars REAR BRAKE LINES use 3/8"-24, hence reason for the adapter.
Did previous owner install the wrong brake lines (fitting size)?
Where can I purchase the Brake fault switch (single terminal)?
I'd appreciate your insight! - John
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I've got 1967 Mustang S-code, GT (Power disc), 4-speed car that was restored under prior ownership. This car has a relatively early build date in JAN 1966. I'm working some brake issues and while investigating I see brake line fitting adapters were used, 5 of them. I'll assume Ford did NOT use all of these adapters and I'd prefer to purchase the correct items to solve this.
Here are the details:
- My brake pressure distribution Valve (2B257) has (2) mounting bolts as shown in photo.
- 2B257 block FRONT port threads are 3/8"-24,
- 2B257 block REAR port threads are 7/16"-20.
- The cars FRONT BRAKE LINES use 1/2"-20 hence the reason why there is an adapter
- The cars REAR BRAKE LINES use 3/8"-24, hence reason for the adapter.
Did previous owner install the wrong brake lines (fitting size)?
Where can I purchase the Brake fault switch (single terminal)?
I'd appreciate your insight! - John
I think that you made a mistake on production date. JAN 66 would be way before production of the 67 model year started. Maybe JAN 67 instead? If that is the case then the master cylinder and distribution block would get the typical lines for a 67 disc brake car and the distribution block would have no adapters. Classic Tube will sell you the few lines you need. Apparently this odd ball set up was made up by the previous restorer.The single pin brake light warning switch is obsolete and not reproduced so you will have to source a NOS or used one from Ebay ,donor car etc.
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I think that you made a mistake on production date. JAN 66 would be way before production of the 67 model year started. Maybe JAN 67 instead? If that is the case then the master cylinder and distribution block would get the typical lines for a 67 disc brake car and the distribution block would have no adapters. Classic Tube will sell you the few lines you need. Apparently this odd ball set up was made up by the previous restorer.The single pin brake light warning switch is obsolete and not reproduced so you will have to source a NOS or used one from Ebay ,donor car etc.
Thanks for catching my typo, yes JAN 1967. I plan to call Classic Tube tomorrow to verify brake lines/fittings and thanks for confirming my suspicion on the single-term switch. Since I'm not concourse, I would consider buying a "block" that matches the brake line fittings but its not easy to do since thread sizes are not provided on all of these brake components ..
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It appears that the distribution block is original. I think the lines are incorrect. Can you confirm that the car has the four puck Kelsy Hays calipers. If 1968 Bendix calipers were used that may be why you have the wrong lines on your car. Use of a 68-distribution block may solve the adaptor problem. If you stay with the 67 block I may have the switch for it.
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It appears that the distribution block is original. I think the lines are incorrect. Can you confirm that the car has the four puck Kelsy Hays calipers. If 1968 Bendix calipers were used that may be why you have the wrong lines on your car. Use of a 68-distribution block may solve the adaptor problem. If you stay with the 67 block I may have the switch for it.
Yes, original KH calipers/pistons.
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Another idea I had was to just cut the brake line ends and re-flare, and replace fitting to the correct size .. as fun as this may not seem, replacing entire brake lines underside with the exhaust, driveshaft, and 4-speed doesnt sound like too much fun either.
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Another idea I had was to just cut the brake line ends and re-flare, and replace fitting to the correct size .. as fun as this may not seem, replacing entire brake lines underside with the exhaust, driveshaft, and 4-speed doesnt sound like too much fun either.
You must be in a hurry because it will one take a few days to get the made up short lines from classic tube. If they are stainless lines you will have fun re-flaring them. Make your cuts close you don't have a lot of length to spare.
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First welcome to the site. Hope you find the information and support you need for your restoration project
We've accumulated a lot of information here on site since we open and you may find that its much quicker to use the search feature, even though each one is imperfect, to search out past questions, responses and information
Using just the words "67 brake lines" I found the following with pictures showing a number of your answers There is very likely even more threads though we often combine them here if the subject is the same or very similar to pool the information
https://www.concoursmustang.com/forum/index.php?topic=17922.msg113317#msg113317 (https://www.concoursmustang.com/forum/index.php?topic=17922.msg113317#msg113317)
https://www.concoursmustang.com/forum/index.php?topic=27351.msg167517#msg167517 (https://www.concoursmustang.com/forum/index.php?topic=27351.msg167517#msg167517)
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I've got 1967 Mustang S-code, GT (Power disc), 4-speed car that was restored under prior ownership. This car has a relatively early build date in JAN 1967. I'm working some brake issues and while investigating I see brake line fitting adapters were used, 5 of them. I'll assume Ford did NOT use all of these adapters and I'd prefer to purchase the correct items to solve this.
Here are the details:
- My brake pressure distribution Valve (2B257) has (2) mounting bolts as shown in photo.
- 2B257 block FRONT port threads are 3/8"-24,
- 2B257 block REAR port threads are 7/16"-20.
- The cars FRONT BRAKE LINES use 1/2"-20 hence the reason why there is an adapter
- The cars REAR BRAKE LINES use 3/8"-24, hence reason for the adapter.
Did previous owner install the wrong brake lines (fitting size)?
Where can I purchase the Brake fault switch (single terminal)?
I'd appreciate your insight! - John
I thought I would mention something I noticed. The style of distribution block you pictured is the style with the two post mounting stud which typically used the two pin brake switch. The earlier style which would typically be on a a JAN 67 is the style with one screw and the bottom locating tang fit into a factory hole and uses a single pin switch. I posted a picture of two used units to show the difference . Both styles function the same and ether switch will fit both . The mounting is the only difference. That is if it makes a difference to you to change back. I am guessing yours was changed out with the later superseded style by a past owner. I only mention this because of the forum mission which largely has to do with discussing and talking about assemblyline aspects of the cars.
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West Coast Classic Cougar lists a correct repro distribution block. They probably have used single pole switches also.
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I thought I would mention something I noticed. The style of distribution block you pictured is the style with the two post mounting stud which typically used the two pin brake switch. The earlier style which would typically be on a a JAN 67 is the style with one screw and the bottom locating tang fit into a factory hole and uses a single pin switch. I posted a picture of two used units to show the difference . Both styles function the same and ether switch will fit both . The mounting is the only difference. That is if it makes a difference to you to change back. I am guessing yours was changed out with the later superseded style by a past owner. I only mention this because of the forum mission which largely has to do with discussing and talking about assemblyline aspects of the cars.
Nice catch Bob.