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HalfMoon
Padawan
Joined: 16 Aug 2006
Posts: 61
Location: Brighton
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 Posted: Mon Jun 11, 2007 10:40 am Post subject: Engine to Rad pipe run diameter? |
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Is there an optimum diameter for the pipes to and from the rad? And is copper pipe considered good or bad?
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Project Thor - '71 Fastback with an EJ20T
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Alex (FTS)
Jedi Guardian
Joined: 06 Feb 2006
Posts: 992
Location: Falmouth, Cornwall
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| Posted: Mon Jun 11, 2007 6:27 pm Post subject: |
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The big it is the better cooling you will have as there is more water in the system. I've always got pipe the same size as the radiator in and out. 
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rjes
Jedi Guardian
Joined: 30 Jan 2006
Posts: 652
Location: North Staffordshire
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| Posted: Mon Jul 16, 2007 8:45 pm Post subject: |
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You can't go wrong if you stick to the size VW used in the T25 - 38mm (1 1/2").
Copper is prettybad - see this page on my site http://www.rjes.com/html/material_choice.html
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R J Engineered Solutions
Quality Subaru Powered VW Components
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