[Vwdiesel] Re: coolant hoses

[Nate Wall]

I think the copper pipe and fittings are a great idea.
Sweat soldering them, right? But I'd make sure I used
a compatable coolant. The VW Phosphate Free coolant is
specified because VW cooling systems have no brass.
Not sure if the phosphates protect copper or the zinc.

Also, any transitions from the engine to the radiator
and other items not attached to the engine should be
made by a rubber coupling hose to brevent fracturing
the pipes. Secure all pipes because of the high
vibration levels.

--Nate
--- Libbybapa at wmconnect.com wrote:
> I am currently doing an engine conversion.  A 1.6TD
> into an '87 vanagon.  
> Another conversion I have seen used copper plumbing
> fittings, and straight pipe 
> to fabricate the various hoses.  Is there any reason
> not too?  Chemical 
> reactions w/ coolant or other metals aluminum/cast
> iron?  Those hoses can be pricey 
> and I'd love to save the nickel.  Andrew
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