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65sprint
Joined: 21 Apr 2021
Posts: 32
Location: New York U.S.A.
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 Posted: Tue May 04, 2021 12:56 pm Post subject: What is the diameter of the vacuum lines on a 1977? |
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| The tan plastic vacuum lines need to be replaced in my car, does anyone know what diameter they are? Thanks. |
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65sprint
Joined: 21 Apr 2021
Posts: 32
Location: New York U.S.A.
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| Posted: Tue May 11, 2021 1:28 pm Post subject: |
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| Yawn..... Not alot of action on this website... |
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Fifty50Plus
Joined: 28 Feb 2008
Posts: 1422
Location: Washington DC area
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| Posted: Wed May 12, 2021 2:56 am Post subject: |
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You could measure them....
_________________
1979 924 NA race car H-Prod SCCA
1982 924 NA race car - Sold
1981 924 Turbo sold
1982 924 Turbo sold
1972 911 E race car - traded for Cayenne Diesel
1975 914 1.8 Building for H-Prod SCCA |
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65sprint
Joined: 21 Apr 2021
Posts: 32
Location: New York U.S.A.
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| Posted: Tue Jun 15, 2021 11:49 am Post subject: |
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| Does anyone know where I can buy these vacuum lines and their connectors (elbows, tees, etc.)... I've searched everywhere and find it hard to believe that these hard plastic lines are so elusive and never spoken about. |
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jacobroufa
Joined: 18 Nov 2016
Posts: 531
Location: Belvidere, IL
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| Posted: Tue Jun 15, 2021 12:05 pm Post subject: |
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The PET is a great resource for stuff like this. In many cases you'll get a part number, but with hoses you get diameters listed as well. Every part on your car is in this document, with breakdowns for everything.
https://www.porsche.com/all/media/pdf/originalparts/en/E_924_79_KATALOG.pdf
(Just search for "924 PET")
_________________
1980 Porsche 931
1981 Porsche 924 Weissach |
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65sprint
Joined: 21 Apr 2021
Posts: 32
Location: New York U.S.A.
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| Posted: Tue Jun 15, 2021 12:35 pm Post subject: |
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| Thank you very much for the link, I don't see diameters on the vacuum lines though, only lengths in millimeters. The document is very helpful for other parts of the car. I recently bought a Hanes book which is very helpful also, and answered alot of questions. |
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jacobroufa
Joined: 18 Nov 2016
Posts: 531
Location: Belvidere, IL
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| Posted: Tue Jun 15, 2021 10:04 pm Post subject: |
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There are both, and a mix... sometimes you only get a part number, and you might have to look it up. So looking for intake vacuum lines...
Illustration 106-00
You get e.g. for parts #1 and 2:
- N 020 139 1 | hose
4 X 1
1 700 MM
- N 020 353 5 | hose
2 40 MM
Translate this to: part #1 is listed in the catalog as N0201391 and is a 4x1 hose (4mm ID 1mm sidewall) of length 700mm...
Not everything you perceive as a "hose" may have diameter and length information provided, if they are molded in any way.
You may also not get that information anyhow -- but research the part numbers and correlate whatever information you may need. Even if a part is NLA, you will typically find some information on it in a search.
_________________
1980 Porsche 931
1981 Porsche 924 Weissach |
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