1942 Rebuild in England
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Posting Guru
Joined: Jun 2007
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From: Butler, IN
1942 Rebuild in England
I have been following a thread in the Projects forum of a 1942 restoration. Nice build, even if it is in England. I did notice one thing, he is using copper as brake lines. Did the truck use copper brake lines in 1942? 
I didn't think copper would hold up to the pressure and it would split. I wasn't going to call him out on it if that was what they used back in '42. You can see them in post #35. Here is the link....https://www.ford-trucks.com/forums/1...-old-days.html
I didn't think copper would hold up to the pressure and it would split. I wasn't going to call him out on it if that was what they used back in '42. You can see them in post #35. Here is the link....https://www.ford-trucks.com/forums/1...-old-days.html
Fleet Mechanic
Joined: Sep 2010
Posts: 1,587
Likes: 36
From: South Carolina
I have seen pre-cut copper lines sold for these year trucks, so I'm guessing if you really want the original look you would put them on. Remember that there isn't much pressure from the juice box master cylinder. Yes, I want steel but it's not my truck.
Moderator
Joined: Nov 2001
Posts: 2,643
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From: Orange County, CA
Steel lines were the originals. Copper is not a good choice, as it fatigues easily and is more prone to breakage. From what I have read, for racing inspections, as well as some safety inspections, if they see copper you will fail the safety inspection. It looks great, but in reality, its a poor choice for something as important as a braje system. Also remember, our trucks were single reservoir systems, break a line, and your braking ability is lost. I've experienced this...no fun at all. Praise the person that decided to create emergency brakes.
Freshman User
Joined: Feb 2012
Posts: 48
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From: Cincinnati
I remember reading somewhere that some break lines were made by rolling sheet steel with a layer of copper on them. They were rolled together to make a "Seamless" tube with the copper fusing it together. It may be some of that material. The lines on my 1-1/2 ton look "Coppery" I will check them with a magnet to see if it sticks.
Cargo Master
Joined: Apr 2003
Posts: 3,476
Likes: 224
From: Frequently frozen MN
It may be something called Cunifer, which is apparently a copper/nickel alloy.
http://www.brakequip.com/pdf/ezibend_2.pdf
I first heard about it in a video on Jay Leno's garage website. Supposed to be some good stuff.
hj
http://www.brakequip.com/pdf/ezibend_2.pdf
I first heard about it in a video on Jay Leno's garage website. Supposed to be some good stuff.
hj
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