Author Topic: 67 rear axle brake line C7ZA-2A448-B  (Read 1768 times)

Offline 67gta289

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67 rear axle brake line C7ZA-2A448-B
« on: March 28, 2016, 08:36:07 PM »
Removed an original rear brake line from a 67 the other day.  Thought someone might enjoy the pictures.  Something we would expect to see on a T-bred I suppose.  C7ZA-2A448-B
John
67 289 GTA Dec 20 1966 San Jose
7R02C156xxx
MCA 74660

Offline preaction

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Re: 67 rear axle brake line C7ZA-2A448-B
« Reply #1 on: March 28, 2016, 11:02:55 PM »
It looks a little past its service life ;)
8F02R218047-  July 18 1968   Dearborn

Offline Bob Gaines

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Re: 67 rear axle brake line C7ZA-2A448-B
« Reply #2 on: March 28, 2016, 11:43:54 PM »
Removed an original rear brake line from a 67 the other day.  Thought someone might enjoy the pictures.  Something we would expect to see on a T-bred I suppose.  C7ZA-2A448-B
We would expect to see a fresh one on a T-bred. I had heard David Davis was reproing single crimp 67 rear brake hoses.
Bob Gaines,Shelby enthusiast, Shelby collector , Shelby concours judge SAAC,MCA,Mid America Shelby

Offline Bossbill

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Re: 67 rear axle brake line C7ZA-2A448-B
« Reply #3 on: July 21, 2019, 08:44:48 PM »
I dug mine out as the rear axle restoration is looming.
Mine is still in one piece and the hose is still good.
The hose has broken stripes (not continuous) in maybe white, yellow or?
The reverse of the hose has numbers I can't make out.
The finish is dichromate on the bracket and then moves to a brass junction.
The hose crimp on that end appears to brass as well. Or is it worn off cad or dichromate?
I believe the hose crimp connection at the body is supposed to be cad or dischromate too.

Keep and refurbish or find another?
« Last Edit: July 21, 2019, 08:55:23 PM by Bossbill »
Bill
Concours  Actual Ford Build 3/2/67 GT350 01375
Driven      6/6/70 0T02G160xxx Boss 302
Modified   5/18/65 5F09A728xxx Boss 347 Terminator-X 8-Stack
Race        65 2+2 Coupe conversion

Offline Bob Gaines

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Re: 67 rear axle brake line C7ZA-2A448-B
« Reply #4 on: July 21, 2019, 10:53:02 PM »
I dug mine out as the rear axle restoration is looming.
Mine is still in one piece and the hose is still good.
The hose has broken stripes (not continuous) in maybe white, yellow or?
The reverse of the hose has numbers I can't make out.
The finish is dichromate on the bracket and then moves to a brass junction.
The hose crimp on that end appears to brass as well. Or is it worn off cad or dichromate?
I believe the hose crimp connection at the body is supposed to be cad or dischromate too.

Keep and refurbish or find another?
Keep and refurbish is my opinion. It still looks nice.  FYI all bass at junction. Zinc dichromate on other end.
Bob Gaines,Shelby enthusiast, Shelby collector , Shelby concours judge SAAC,MCA,Mid America Shelby

Offline Bossbill

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Re: 67 rear axle brake line C7ZA-2A448-B
« Reply #5 on: July 22, 2019, 02:19:47 AM »
Interesting that the junction stays brass.
Well see how well the plating goes.
Thanks, once again, for your input.
Bill
Concours  Actual Ford Build 3/2/67 GT350 01375
Driven      6/6/70 0T02G160xxx Boss 302
Modified   5/18/65 5F09A728xxx Boss 347 Terminator-X 8-Stack
Race        65 2+2 Coupe conversion

Offline CandyAppleRed

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Re: 67 rear axle brake line C7ZA-2A448-B
« Reply #6 on: July 22, 2019, 06:33:40 AM »
here two more examples of rear axle brake hose I removed from my cars.
The first one (with date code 07 11 6) came of a 28k miles San Jose Nov 66 S-code and the second one (date code 11 04 7) from a 45k miles Dearborn May 67 S-code.

Note that both car were fully functional and there was no leakage at the time I replaced the brake hoses. These were replaced as precautionary measure since I drive the cars.

Laurent
1967 Fastback 390 GTA Dearborn May 67 7F02S201072 (stolen)
1967 Fastback 390 GT San Jose Nov 66

Offline Bob Gaines

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Re: 67 rear axle brake line C7ZA-2A448-B
« Reply #7 on: July 22, 2019, 11:05:03 AM »
Interesting that the junction stays brass.
Well see how well the plating goes.
Thanks, once again, for your input.
You have to carefully unstake the brass junction from the bracket to properly plate.
Bob Gaines,Shelby enthusiast, Shelby collector , Shelby concours judge SAAC,MCA,Mid America Shelby

Offline preaction

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Re: 67 rear axle brake line C7ZA-2A448-B
« Reply #8 on: July 22, 2019, 05:04:15 PM »
There are instances where the hose swells on the inside and either reduces or cuts off the flow of fluid I ran across this once on another make and the hose didn't appear to have any issues visually.
8F02R218047-  July 18 1968   Dearborn

Offline Bob Gaines

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Re: 67 rear axle brake line C7ZA-2A448-B
« Reply #9 on: July 22, 2019, 06:01:49 PM »
There are instances where the hose swells on the inside and either reduces or cuts off the flow of fluid I ran across this once on another make and the hose didn't appear to have any issues visually.
Blowing air through the hose will determine if a significant blockage or not . Best to do this prior to spending time on restoration.
Bob Gaines,Shelby enthusiast, Shelby collector , Shelby concours judge SAAC,MCA,Mid America Shelby

Offline Bossbill

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Re: 67 rear axle brake line C7ZA-2A448-B
« Reply #10 on: July 22, 2019, 06:06:22 PM »
You have to carefully unstake the brass junction from the bracket to properly plate.

Yeah, that was fun. But it worked! It should go back with little issue. I had never considered unstaking, but hey. I have a new skill.

As far as internal swelling, my issue was that this fitting has been sitting for many years and it's a collector of dried up brake fluid and dirt (on the body side) which was left open. A few pokes and it's clear.
Bill
Concours  Actual Ford Build 3/2/67 GT350 01375
Driven      6/6/70 0T02G160xxx Boss 302
Modified   5/18/65 5F09A728xxx Boss 347 Terminator-X 8-Stack
Race        65 2+2 Coupe conversion