Author Topic: Original Brake Hoses for '69 Z28  (Read 30752 times)

Danzo

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Re: Original Brake Hoses for '69 Z28
« Reply #15 on: January 12, 2016, 06:21:30 PM »
Hans L please pm me. Thanks.

KurtS

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Re: Original Brake Hoses for '69 Z28
« Reply #16 on: January 13, 2016, 03:23:02 AM »
I bought two fronts from NAPA. They were really close to the originals (both originals failed within weeks of each other  - plugged closed).
Kurt S
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69Z28-RS

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Re: Original Brake Hoses for '69 Z28
« Reply #17 on: January 13, 2016, 04:27:39 AM »
What caused that to happen Kurt?
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dannystarr

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Re: Original Brake Hoses for '69 Z28
« Reply #18 on: January 13, 2016, 07:33:01 AM »
Maybe the fluid had some sort of a content that broke down the rubber. How could this be.. ?  They KNOW what's out there before they develop/design parts.
Maybe take one and fillet it like a fish and inspect the interior. Scratch the inside wall and see if it's breaking down?.. D

X33RS

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Re: Original Brake Hoses for '69 Z28
« Reply #19 on: January 13, 2016, 12:25:12 PM »
I bought two fronts from NAPA. They were really close to the originals (both originals failed within weeks of each other  - plugged closed).


I bought a complete set (front and rear) from Napa as well, and they do appear to look very close to the originals that are still on my car.  I think they'll work just fine.  Even though the brakes still work, I'm not even going to think of attempting to drive it on those original hoses.

HawkX66

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Re: Original Brake Hoses for '69 Z28
« Reply #20 on: January 13, 2016, 01:31:35 PM »
I bought two fronts from NAPA. They were really close to the originals (both originals failed within weeks of each other  - plugged closed).

Same thing happened to my fronts when I went to bleed them before I started my resto.
Dave
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Sauron327

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Re: Original Brake Hoses for '69 Z28
« Reply #21 on: January 13, 2016, 02:45:08 PM »
Collapsed brake hoses are common, and often overlooked as a source of problems.

69Z28-RS

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Re: Original Brake Hoses for '69 Z28
« Reply #22 on: January 13, 2016, 04:09:50 PM »
Are you fellas speaking of OLD brake hoses?  or NEW?   I understood Kurt to say he had that problem with new brake hoses... I assume you aren't speaking of NEW (but maybe 40 yr old stock) brake hoses....?
09C 69Z28-RS, 72 B 720 cowl console rosewood tint
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HawkX66

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Re: Original Brake Hoses for '69 Z28
« Reply #23 on: January 13, 2016, 04:16:53 PM »
Are you fellas speaking of OLD brake hoses?  or NEW?   I understood Kurt to say he had that problem with new brake hoses... I assume you aren't speaking of NEW (but maybe 40 yr old stock) brake hoses....?
Yes Gary. OE brake hoses were what failed.
Dave
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69Z28-RS

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Re: Original Brake Hoses for '69 Z28
« Reply #24 on: January 13, 2016, 04:24:03 PM »
Are you fellas speaking of OLD brake hoses?  or NEW?   I understood Kurt to say he had that problem with new brake hoses... I assume you aren't speaking of NEW (but maybe 40 yr old stock) brake hoses....?
Yes Gary. OE brake hoses were what failed.

Going back and reading Kurts post.. where he stated... "I bought two fronts from NAPA. They were really close to the originals (both originals failed within weeks of each other  - plugged closed)."...  I guess I read it too fast and thought he said that the new ones failed....   rereading..  it's more clear that he bought NEW ones BECAUSE the old/originals failed.. (which makes a lot more sense).. Sorry for my misunderstanding!
09C 69Z28-RS, 72 B 720 cowl console rosewood tint
69 Corvette, '60 Corvette, '72 Corvette
90 ZR1 red/red #246, 90 ZR1 white/gray #2466
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Hans L

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Re: Original Brake Hoses for '69 Z28
« Reply #25 on: January 13, 2016, 04:59:47 PM »
For reference, here's what the original brake hoses look like from my 04B Van Nuys Built Z:

Sub Frame Fitting - note the crimping style is different than current DOT requirements:



Caliper Block Fitting - again crimping style differs from current DOT required hoses:




Note the lettering/markings on the hose line in red font:



Note the faint red stripe along the other side of this brake hose:

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Hans L

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Re: Original Brake Hoses for '69 Z28
« Reply #26 on: January 13, 2016, 05:01:27 PM »
Reproduction hose installed - note hose crimping styles differ from originals.

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69Z28-RS

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Re: Original Brake Hoses for '69 Z28
« Reply #27 on: January 13, 2016, 05:06:08 PM »
I replaced my originals a year or two ago when I went thru my brake system (my originals were actually in a bit better condition than yours Hans!).. :)  .. but my car had been stored in my garage since 1980. 
Anyway, 1969 originals were 'single crimped' whereas newer (current) safety requirements require 'double crimping' on the ends, so your new 'reproduction' hoses may have reproduction markings, but will have double crimped ends (for safety).  I bought new hoses, but not the expensive reproductions, as I can't see that sort of expense simply to maintain a vehicle in functional order (my car is unrestored).
09C 69Z28-RS, 72 B 720 cowl console rosewood tint
69 Corvette, '60 Corvette, '72 Corvette
90 ZR1 red/red #246, 90 ZR1 white/gray #2466
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Hans L

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Re: Original Brake Hoses for '69 Z28
« Reply #28 on: January 13, 2016, 10:50:08 PM »
I replaced my originals a year or two ago when I went thru my brake system (my originals were actually in a bit better condition than yours Hans!).. :)  .. but my car had been stored in my garage since 1980. 
Anyway, 1969 originals were 'single crimped' whereas newer (current) safety requirements require 'double crimping' on the ends, so your new 'reproduction' hoses may have reproduction markings, but will have double crimped ends (for safety).  I bought new hoses, but not the expensive reproductions, as I can't see that sort of expense simply to maintain a vehicle in functional order (my car is unrestored).

Makes total sense.   You can see why I didn't re-use the ones on my car!
https://www.instagram.com/69camarorsz28/
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68camaroz28

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Re: Original Brake Hoses for '69 Z28
« Reply #29 on: January 14, 2016, 10:42:13 AM »
Thanks for the information George .. and Sixtynine...  Those certainly appear to be more accurate (but with the additional crimps)..  and more expensive.  :)    I'll consider them strongly.
thanks!  :)
I had a set of NOS brake lines Gary that looked the part except for double crimps and had them stenciled as George showed for our restoration. Just another option if you have some laying around....

Do you have photos of that stenciling, chick?    Who did/does the stenciling for such items?

Yes I do in my build thread somewhere but will check and post a picture. The guy that did mine was the same guy who George bought his hoses from as he's from IL and he used to sell them on ebay. I contacted him and he agreed to stencil my hoses I sent him.
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