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I read an interesting article once that said while brass/copper out performs=
aluminum, an aluminum radiator will dissipate heat better than brass radiat=
ors because of all the leads solder in the seams of the brass. Lead holds th=
e heat and therefore offsets the advantage of the brass. Seems like reasonab=
le logic but I can=E2=80=99t substantiate it.
=E2=80=A6 and I have tried the epoxy fix on an aluminum radiator leak, laste=
d about 6 months which was longer than the radiator shop anticipated.
Dustin Nicholson=20
281-871-9623
> On Jan 4, 2022, at 9:40 AM, Scott Meredith via Fot <fot@autox.team.net> wr=
ote:
>=20
> =EF=BB=BF
> Thanks TeriAnn - Great info. I didn't know any of that . . .
>=20
>=20
> -----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
>=20
> On 1/4/22 6:31 AM, Jerry V V via Fot wrote:
>=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 coola=
nt 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 a=
n electron to move current through the coolant towards a ground source. The r=
esult is the aluminum metal being eaten away and a gritty build up on the ca=
thode side of the electrical pathway. Commercial coolants have inhibitors th=
at can slow this process until the inhibitor gets used up. Tap water has ion=
s in suspension that can facilitate electrolysis.
>=20
> What you need to do is provide lower resistance electrical pathways betwee=
n the engine and the battery ground. A good bare metal to bare metal ground s=
trap between the engine & frame is a good first step. Triumphs with the batt=
ery ground going to the body also needs a strap between the body and frame. I=
f you have an alternator you should find a ground post on the case. Run a wi=
re from the alternator case to the frame.
>=20
> Make sure your coolant gets changed per the directions and mix it with dis=
tilled water to eliminate the ions in tap water that can help facilitate ele=
ctrolysis. Commercial coolants are formulated to minimize electrolysis. Anot=
her thing you can do is replace your radiator drain valve with a zinc plug. Z=
inc is more chemically active than aluminum so will more easily give up its i=
ons for electrical current flow. It becomes the sacrificial anode giving of i=
tself instead of the aluminum.
>=20
> Good grounds, fresh coolant, distilled water, and a zinc radiator plug tog=
ether makes for happier aluminum bits in contact with coolant.
>=20
> TeriAnn
>=20
>=20
> _______________________________________________
> fot@autox.team.net
>=20
> http://www.fot-racing.com
>=20
> Donate: http://www.team.net/donate.html
> Archive: http://autox.team.net/archive http://www.team.net/pipermail/fot
> Unsubscribe/Manage: http://autox.team.net/mailman/options/fot/sonomascot@a=
ol.com
>=20
>=20
> _______________________________________________
> fot@autox.team.net
>=20
> http://www.fot-racing.com
>=20
> Donate: http://www.team.net/donate.html
> Archive: http://autox.team.net/archive http://www.team.net/pipermail/fot
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tin@yahoo.com
>=20
>=20
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<html><head><meta http-equiv=3D"content-type" content=3D"text/html; charset=3D=
utf-8"></head><body dir=3D"auto">I read an interesting article once that sai=
d while brass/copper out performs aluminum, an aluminum radiator will dissip=
ate heat better than brass radiators because of all the leads solder in the s=
eams of the brass. Lead holds the heat and therefore offsets the advantage o=
f the brass. Seems like reasonable logic but I can=E2=80=99t substantiate it=
.<div><br></div><div>=E2=80=A6 and I have tried the epoxy fix on an aluminum=
radiator leak, lasted about 6 months which was longer than the radiator sho=
p anticipated.<br><br><div dir=3D"ltr">Dustin Nicholson <div>281-871-96=
23</div></div><div dir=3D"ltr"><br><blockquote type=3D"cite">On Jan 4, 2022,=
at 9:40 AM, Scott Meredith via Fot <fot@autox.team.net> wrote:<br><br=
></blockquote></div><blockquote type=3D"cite"><div dir=3D"ltr">=EF=BB=BF<div=
style=3D"font-size:10pt;font-family:arial,helvetica,sans-serif;color:black;=
"><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 <fot@a=
utox.team.net><br>To: fot@autox.team.net<br>Sent: Tue, Jan 4, 2022 7:33 a=
m<br>Subject: Re: [Fot] Aluminum Radiators<br><br></div><div id=3D"yiv220374=
9696"><div>
<div id=3D"yiv2203749696yqtfd58585" class=3D"yiv2203749696yqt0707473901"=
><div class=3D"yiv2203749696moz-cite-prefix">On 1/4/22 6:31 AM, Jerry V V vi=
a 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" c=
lass=3D"yiv2203749696yqt0707473901"><p class=3D"yiv2203749696MsoNormal">They=
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"yiv2203749696=
yqt0707473901"><br clear=3D"none">
</div><div id=3D"yiv2203749696yqtfd85775" class=3D"yiv2203749696yqt07074=
73901">
</div></div></div><div class=3D"yqt0707473901" id=3D"yqtfd83857">_________=
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