CW and fuel lines |
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914/4: 70 71 72 73 74 75 76 914/6: 70 71 72
CW and fuel lines |
scotty b |
Jan 16 2011, 06:16 PM
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#1
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rust free you say ? Group: Members Posts: 16,375 Joined: 7-January 05 From: richmond, Va. Member No.: 3,419 Region Association: None |
(IMG:style_emoticons/default/idea.gif) I'm just curious what you CW's think about replacing the plastic lines with steel on a restoration ?Granted they are not original, I am assuming NONE of you would actually run the 35+ year old lines and would at the very least replace them with new plastic lines. That then begs the question, If you are replacing the lines, from a CW standpoint are steel lines still grounds for a beating ? Think about the safety of the car too
(IMG:style_emoticons/default/confused24.gif) (IMG:style_emoticons/default/stirthepot.gif) (IMG:style_emoticons/default/biggrin.gif) |
JeffBowlsby |
Jan 18 2011, 02:26 PM
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#2
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914 Wiring Harnesses Group: Members Posts: 8,524 Joined: 7-January 03 From: San Ramon CA Member No.: 104 Region Association: None |
A couple of notes on the original plastic fuel lines.
They are made of Nylon 6 material, I have a factory original sample with markings on it. Nylon 6 tubing is available from McMaster Carr and I acquired some for just this purpose and previously made some replacements for the two short pieces above the tin in the engine bay. They are formable with a heat gun and take a set to the right configuration, but it takes time and effort to get right. I used a thick copper wire as a form, bent to the right shape. Nylon 6 is a nice milky white color when new, unlike the brown they age into. I have read that the Nylon 6 ages and embrittles not from heat so much, and its actually resistant to high heat which is why the material was specified to begin with, but embrittles from ambient moisture absorption. It would not be unreasonably difficult to make these. |
JFJ914 |
Jan 22 2011, 11:22 AM
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#3
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Senior Member Group: Benefactors Posts: 813 Joined: 13-June 03 From: Alpharetta, GA Member No.: 814 Region Association: South East States |
A couple of notes on the original plastic fuel lines. They are made of Nylon 6 material, I have a factory original sample with markings on it. Nylon 6 tubing is available from McMaster Carr and I acquired some for just this purpose and previously made some replacements for the two short pieces above the tin in the engine bay. They are formable with a heat gun and take a set to the right configuration, but it takes time and effort to get right. I used a thick copper wire as a form, bent to the right shape. Nylon 6 is a nice milky white color when new, unlike the brown they age into. I have read that the Nylon 6 ages and embrittles not from heat so much, and its actually resistant to high heat which is why the material was specified to begin with, but embrittles from ambient moisture absorption. It would not be unreasonably difficult to make these. I have 2 factory new replacement pressure lines (unformed, just straight tubing) for the 76-76 and they are made of Nylon 11. I also have a NOS set of engine compartment lines (formed) and they are made of Nylon 11. McMaster used to have metric Nylon 11 but no longer. Is Nylon 6 a replacement? I tried Google but couldn't determine an answer. |
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