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Thanks TeriAnn - Great info. I didn't know any of that . . .
-----Original Message-----
From: TeriAnn J. Wakeman via Fot <fot@autox.team.net>
To: fot@autox.team.net
Sent: Tue, Jan 4, 2022 7:33 am
Subject: Re: [Fot] Aluminum Radiators
On 1/4/22 6:31 AM, Jerry V V via Fot wrote:
=20
=20
They are susceptible to electrolysis if you don=E2=80=99t keep a watch on t=
he coolant voltage.
=20
cooling system electrolysis is the result of poor grounding and your coolan=
t being used as an electrical ground path. Aluminum is a fairly active meta=
l and in the presence of an electric field will act as an anode and give up=
an electron to move current through the coolant towards a ground source. T=
he result is the aluminum metal being eaten away and a gritty build up on t=
he cathode side of the electrical pathway. Commercial coolants have inhibit=
ors that can slow this process until the inhibitor gets used up. Tap water =
has ions in suspension that can facilitate electrolysis.
=20
What you need to do is provide lower resistance electrical pathways between=
the engine and the battery ground. A good bare metal to bare metal ground =
strap between the engine & frame is a good first step. Triumphs with the ba=
ttery ground going to the body also needs a strap between the body and fram=
e. If you have an alternator you should find a ground post on the case. Run=
a wire from the alternator case to the frame.
=20
Make sure your coolant gets changed per the directions and mix it with dist=
illed water to eliminate the ions in tap water that can help facilitate ele=
ctrolysis. Commercial coolants are formulated to minimize electrolysis. Ano=
ther thing you can do is replace your radiator drain valve with a zinc plug=
. Zinc is more chemically active than aluminum so will more easily give up =
its ions for electrical current flow. It becomes the sacrificial anode givi=
ng of itself instead of the aluminum.
=20
Good grounds, fresh coolant, distilled water, and a zinc radiator plug toge=
ther makes for happier aluminum bits in contact with coolant.
=20
=20
TeriAnn
_______________________________________________
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http://www.fot-racing.com
Archive: http://autox.team.net/archive http://www.team.net/pipermail/fot
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<div style=3D"font-size:10pt;font-family:arial,helvetica,sans-serif;color:b=
lack;"><div style=3D"font-family:arial,helvetica,sans-serif;font-size:10pt;=
color:black;">Thanks TeriAnn - Great info. I didn't know any of that . . .<=
br><br><br>-----Original Message-----<br>From: TeriAnn J. Wakeman via Fot &=
lt;fot@autox.team.net><br>To: fot@autox.team.net<br>Sent: Tue, Jan 4, 20=
22 7:33 am<br>Subject: Re: [Fot] Aluminum Radiators<br><br></div><div id=3D=
"yiv2203749696"><div>
<div id=3D"yiv2203749696yqtfd58585" class=3D"yiv2203749696yqt0707473901=
"><div class=3D"yiv2203749696moz-cite-prefix">On 1/4/22 6:31 AM, Jerry V V =
via Fot
wrote:<br clear=3D"none">
</div>
<blockquote type=3D"cite">
</blockquote></div></div><div id=3D"yiv2203749696yqtfd43359" class=3D=
"yiv2203749696yqt0707473901"></div><div><div id=3D"yiv2203749696yqtfd54804"=
class=3D"yiv2203749696yqt0707473901"><p class=3D"yiv2203749696MsoNormal">T=
hey are susceptible to electrolysis if you
don=E2=80=99t keep a
watch on the coolant voltage.</p></div>
=20
<p>cooling system electrolysis is the result of poor grounding and
your coolant being used as an electrical ground path. Aluminum is
a fairly active metal and in the presence of an electric field
will act as an anode and give up an electron to move current
through the coolant towards a ground source. The result is the
aluminum metal being eaten away and a gritty build up on the
cathode side of the electrical pathway. Commercial coolants have
inhibitors that can slow this process until the inhibitor gets
used up. Tap water has ions in suspension that can facilitate
electrolysis.</p>
<p>What you need to do is provide lower resistance electrical
pathways between the engine and the battery ground. A good bare
metal to bare metal ground strap between the engine & frame is
a good first step. Triumphs with the battery ground going to the
body also needs a strap between the body and frame. If you have an
alternator you should find a ground post on the case. Run a wire
from the alternator case to the frame.</p>
<p>Make sure your coolant gets changed per the directions and mix it
with distilled water to eliminate the ions in tap water that can
help facilitate electrolysis. Commercial coolants are formulated
to minimize electrolysis. Another thing you can do is replace your
radiator drain valve with a zinc plug. Zinc is more chemically
active than aluminum so will more easily give up its ions for
electrical current flow. It becomes the sacrificial anode giving
of itself instead of the aluminum.</p>
<p>Good grounds, fresh coolant, distilled water, and a zinc radiator
plug together makes for happier aluminum bits in contact with
coolant.<br clear=3D"none">
</p>
<p>TeriAnn</p><div id=3D"yiv2203749696yqtfd28540" class=3D"yiv220374969=
6yqt0707473901"><br clear=3D"none">
</div><div id=3D"yiv2203749696yqtfd85775" class=3D"yiv2203749696yqt0707=
473901">
</div></div></div><div class=3D"yqt0707473901" id=3D"yqtfd83857">________=
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_______________________________________________
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Archive: http://autox.team.net/archive http://www.team.net/pipermail/fot
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