Larry, the water is connecting your aluminum motor and your copper pipe!

On 6/29/06, Larry Alofs <lalofs@rcn.com> wrote:
>
> This problem can be avoided if the copper makes no electrical connection
> with the aluminum thru the body etc.  Whether that is practical is left
> as an exercise for the student.
>
> Larry A.
>
>
> Jake de Villiers wrote:
>
> > I'll repeat;
> >
> > "Over in SubaruVanagon Land there was a very interesting discussion on
> > the
> > electrical properties of various metals, the upshot of which was that
> > copper
> > would degrade the aluminum of the engine through electrolysis, whereas
> > galvanised steel electrical conduit (1-1/4 " dia) would be fairly
> > neutral.
> > There was at least one owner who had replaced both of the long tubes
> with
> > the stuff. "
> >
> > Copper's pulls  electrons from the water-contact parts of your engine,
> > making the head seals leak sooner.
> >
> > You can find several learned dissertations in the Archives at the
> > subaruvanagon yahoo group site.
> >
> > Jake
> >
> > On 6/29/06, don spence <dkspence@telus.net> wrote:
> >
> >>
> >> So.. why not Copper?   Available, cheap, sorta bendable, fittings
> >> available. easy to cut to length.
> >>
> >> Inquiring minds.....
> >>
> >>
> >> On 28-Jun-06, at 9:01 PM, Automatic digest processor wrote:
> >>
> >> >
> >> > Date:    Wed, 28 Jun 2006 18:29:41 -0700
> >> > From:    Alistair Bell <albell@UVIC.CA>
> >> > Subject: Re: Coolant pipes replacement
> >> >
> >> > Actually silver is a better heat conductor than gold, but suffers
> >> > from oxidation problems :)
> >> >
> >> > I do want some silver core pots and pans, or straight silver to make
> >> > caramel.
> >> >
> >> > But settling for copper and stainless. Which begs the question why
> >> > not copper pipes running up front? Corrosion wouldn't be too bad
> >> > inside and if thick walled enough the outside should last just as
> >> > long as the nice old gutters on buildings (unless one runs the van
> >> > through H2SO4 habitually). Of course we isolate stray electric
> >> > currents with silicon or rubber tubing at each end.
> >> >
> >> > Alistair
> >> >
> >>
> >
> >
> >
> > --
> > Jake
> > 1984 Vanagon GL
> > 1986 Westy Weekender "Dixie"
> > www.crescentbeachguitar.com
> >
>
>

--
Jake
1984 Vanagon GL
1986 Westy Weekender "Dixie"
www.crescentbeachguitar.com