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09-04-2014, 08:09 PM
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#1 |
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Registered User
Join Date: Oct 2013
Location: New Jersey
Posts: 1,302
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Brake lines
In the catalogs and on most pictures the steel brake line along the frame to the rear is two pieces. Is there a reason for this? I got a coil of that new copper stuff and was planning on doing in one shot.
Is there a reason why I shouldn't? Paul
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"You know that little thing in your head that keeps you from saying things you shouldn't? Yeah well, I don't have one of those" 1969 Mercury Cougar Standard 4 speed 1969 Mercury Cougar XR7 convertible 1970 4WD Chevrolet Suburban 1997 4WD Chevrolet Silverado Extended Cab Short Bed (purchased new January 1997) |
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09-04-2014, 09:07 PM
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#2 |
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laying low
 
Join Date: Mar 2001
Location: Searcy, Ark. USA
Posts: 13,235
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Re: Brake lines
Copper is too soft for automotive brake lines. I believe it has to be seamless steel tubing with double flaired ends.
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Boog 69 Chevy stepside, 358/T350, 4.11 posi, 4.5/4 drop, rallys, poboy driver primer is finer 91 Chevy sportside, Tahoe, Yukon & GMC Crewcab All GM..'nuff said. I stand for the flag and kneel at the cross |
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09-04-2014, 09:14 PM
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#3 | |
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Account Suspended
Join Date: Jan 2007
Location: Tucson
Posts: 2,183
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Re: Brake lines
Quote:
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09-04-2014, 09:22 PM
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#4 |
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Registered User
Join Date: Oct 2013
Location: New Jersey
Posts: 1,302
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Re: Brake lines
They make a new copper based brake line that made specifically for automotive applications. It won't rust and is a zillion times easier to work with than stainless. Surprised that more people haven't heard of it.
Back to my question. Do I need to do the line as two pieces? Paul
__________________
"You know that little thing in your head that keeps you from saying things you shouldn't? Yeah well, I don't have one of those" 1969 Mercury Cougar Standard 4 speed 1969 Mercury Cougar XR7 convertible 1970 4WD Chevrolet Suburban 1997 4WD Chevrolet Silverado Extended Cab Short Bed (purchased new January 1997) |
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09-04-2014, 09:27 PM
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#5 |
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Registered User
Join Date: Oct 2013
Location: New Jersey
Posts: 1,302
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Re: Brake lines
Fitz it was my thinking as well that fewer connections would be better.
Paul
__________________
"You know that little thing in your head that keeps you from saying things you shouldn't? Yeah well, I don't have one of those" 1969 Mercury Cougar Standard 4 speed 1969 Mercury Cougar XR7 convertible 1970 4WD Chevrolet Suburban 1997 4WD Chevrolet Silverado Extended Cab Short Bed (purchased new January 1997) |
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09-04-2014, 09:42 PM
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#6 |
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Registered User
Join Date: Sep 2005
Location: Canton North carolina
Posts: 3,079
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Re: Brake lines
I have used the new stuff, actually just used it on the 67. It is easier to work with in tight spaces than the old stuff, but it turns quickly- the copper alloy or what ever it is based on shows quickly. As an aside, the larger diameter is actually harder to bend accurately than the standard stuff. Also it is twice the cost.
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67 blue step side- bb 68 gold and white swb cst anniversary 68 custom swb hot rod Ls swap 69 swb cst 6 cylinder/ overdrive 69 black/black cst bb swb 70 orange and white cst Canada built truck swb bb 71 black and white super swb bb 71 red and white super swb 72 green and white super swb 4x4 62 nova wagon 400 series Ls swapped 68 Camaro 327/4 speed- 1 owner, original paint 66 Volkswagen bettle 69 auto stick Volkswagen Beetle |
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09-04-2014, 10:11 PM
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#7 |
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Registered User
Join Date: Oct 2013
Location: New Jersey
Posts: 1,302
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Re: Brake lines
Interesting. So far I haven't had a problem with it. What do you mean by "turns"?
Paul
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"You know that little thing in your head that keeps you from saying things you shouldn't? Yeah well, I don't have one of those" 1969 Mercury Cougar Standard 4 speed 1969 Mercury Cougar XR7 convertible 1970 4WD Chevrolet Suburban 1997 4WD Chevrolet Silverado Extended Cab Short Bed (purchased new January 1997) Last edited by pwdcougar; 09-04-2014 at 10:13 PM. Reason: Wanted to change wording. Should have quoted the previous post. |
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09-04-2014, 11:22 PM
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#8 | |
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Registered User
Join Date: Jun 2010
Location: San Diego Co.
Posts: 1,162
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Re: Brake lines
Quote:
The two piece could have been for ease of installation perhaps??
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1972 Chevy C-10, SWB, Fleet, 350/350, PS, PB, HEI, mostly stock, Survivor. 
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09-05-2014, 01:02 AM
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#9 |
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Registered User
Join Date: Jan 2010
Location: Hollidaysburg, PA
Posts: 785
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Re: Brake lines
make it in one run.......I did it and haven't had any problems.
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_________________________________ 62 Impala 70 C-10 LWB 71 K-10 SWB 85 C-10 LWB==SOLD 01 2500 HD Members Met......2003Silverado (Dave) |
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09-05-2014, 01:12 AM
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#10 |
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Registered User
Join Date: Feb 2008
Location: Tacoma Washington
Posts: 890
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Re: Brake lines
Are you talking about the nickel-copper (Monel) stuff?
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I know a guy who's addicted to brake fluid. He says he can stop any time. 72 K10 396 75 Cj5 MPI 350 Chev 67 Chevelle 396, 4 speed 74 FXE 08 Tahoe |
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09-05-2014, 06:20 AM
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#11 |
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Senior Member
Join Date: May 2003
Location: Sandown, NH
Posts: 2,819
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Re: Brake lines
I just ran mine in SS and did it in one piece, did the same on my previous truck also. As already mentioned it was probably in 2 pieces for ease of installation.
Gary
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Gary 72 SWB 4x4 My 72 SWB Build http://67-72chevytrucks.com/vboard/s...d.php?t=259859 |
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09-05-2014, 08:30 AM
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#12 |
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Registered User
Join Date: Feb 2008
Location: Tacoma Washington
Posts: 890
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Re: Brake lines
It is advertised as nickel copper, but it's actually 90/10 seamless copper nickel. Looks interesting.
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I know a guy who's addicted to brake fluid. He says he can stop any time. 72 K10 396 75 Cj5 MPI 350 Chev 67 Chevelle 396, 4 speed 74 FXE 08 Tahoe |
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09-05-2014, 12:06 PM
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#13 |
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Registered User
Join Date: Oct 2013
Location: New Jersey
Posts: 1,302
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Re: Brake lines
Wasn't sure if it was nickel/copper or copper/nickel. Thought my parts guy said it was mostly copper.
Thanks for the advise guys and I'll try to do the run as one shot. Kinda annoyed at myself though. Thought that I researched the sizes I needed and bought a roll of 1/4" and all the fittings only to find that the lines on the axle are 3/16" on my K10 burb. I'm not that worried about the price and would have done stainless if it were easier to use. I tend to keep my vehicles a long time and there have been too many times were I've blown a steel line. Thank god for emergency brakes. In another post I asked about what people call it. Is it an emergency brake or a parking brake? With an auto trans I've always felt that the trans and parking pawl inside is good enough. With a manual trans I always park it in gear. Except for rare exceptions it is not used for parking. Too many times though there has been an emergency and again, thank god there was an emergency brake there just waiting for me! Paul
__________________
"You know that little thing in your head that keeps you from saying things you shouldn't? Yeah well, I don't have one of those" 1969 Mercury Cougar Standard 4 speed 1969 Mercury Cougar XR7 convertible 1970 4WD Chevrolet Suburban 1997 4WD Chevrolet Silverado Extended Cab Short Bed (purchased new January 1997) |
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09-05-2014, 02:37 PM
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#14 |
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Registered User
Join Date: Sep 2005
Location: Canton North carolina
Posts: 3,079
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Re: Brake lines
By turn i mean that the line initially looks more nickel, but as it oxidizes it shows the copper. The color changes and they look weird.
__________________
67 blue step side- bb 68 gold and white swb cst anniversary 68 custom swb hot rod Ls swap 69 swb cst 6 cylinder/ overdrive 69 black/black cst bb swb 70 orange and white cst Canada built truck swb bb 71 black and white super swb bb 71 red and white super swb 72 green and white super swb 4x4 62 nova wagon 400 series Ls swapped 68 Camaro 327/4 speed- 1 owner, original paint 66 Volkswagen bettle 69 auto stick Volkswagen Beetle |
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09-06-2014, 07:11 PM
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#15 |
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Registered User
Join Date: Oct 2013
Location: New Jersey
Posts: 1,302
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Re: Brake lines
Wow this stuff is a dream to work with. Easy to bend and to flare!
Paul
__________________
"You know that little thing in your head that keeps you from saying things you shouldn't? Yeah well, I don't have one of those" 1969 Mercury Cougar Standard 4 speed 1969 Mercury Cougar XR7 convertible 1970 4WD Chevrolet Suburban 1997 4WD Chevrolet Silverado Extended Cab Short Bed (purchased new January 1997) |
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09-20-2014, 12:07 AM
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#16 |
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Registered User
Join Date: Jan 2010
Location: Hollidaysburg, PA
Posts: 785
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Re: Brake lines
you have 706 alloy copper nickel brake line which is 90/10
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_________________________________ 62 Impala 70 C-10 LWB 71 K-10 SWB 85 C-10 LWB==SOLD 01 2500 HD Members Met......2003Silverado (Dave) |
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09-20-2014, 02:33 AM
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#17 |
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Senior Member
Join Date: Oct 2009
Location: Godley, TX
Posts: 17,963
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Re: Brake lines
Pretty sure slikside hit the nail on the head. I had to do yoga just to get one of the two piece lines in under my truck. Pretty sure they are sold as two piece for that reason - and that is also likely the same reason the factory made it two piece. It is perfectly fine to run it as one line if doing custom - but if you happen to have your cab off the frame, think of it from the perspective of "what if I have to replace a line after I have the truck all assembled?" If install/remove is not an issue for you personally - there is no reason to not make it one line. I went with two just because the factory did.
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