[Vwdiesel] Re: coolant hoses

[Erik Lane]

even the high temp cpvc is only rated to 180F so that
isn't nearly high enough to be safe with any engine
coolant system. normal pvc is rated quite a bit lower.
i wouldn't suggest using pvc for ANY automotive use.

erik
--- Nate Wall <natewall1 at yahoo.com> wrote:
> PVC Pipe and fittings may be another option.
> 
> --Nate
> --- Nate Wall <natewall1 at yahoo.com> wrote:
> > 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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