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I have to agree with the theory that grounding can affect an alloy radiator. If you have a problem with corrosion despite using corrosion inhibitors then the problem is not the fluid component of the system it is more likely electrolytic corrosion. Maybe the
problem isn't engine to chassis grounding, but radiator to chassis grounding. It sounds like some effort needs to be made to isolate the radiator (electrically) from the chassis. or to neutralize the electrolytic forces in the system. </div>
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Either keeping the radiator out of the electrical loop or assuring it is on the cathode side seems to be a good idea since aluminum is much lower on the noble scale than iron. In a positive ground system the chassis is the anode and if the radiator is grounded
to the chassis it will also be an anode and will thus be subject to electrolytic corrosion. (The anode, positive pole, in any circuit gives up electrons which carry the electrical current. Loss of large numbers of electrons weakens the atomic structure of
anode material and causes it to break down or corrode.)</div>
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I don't think that distilled water is necessary and as a matter of fact distilled water should be considered more corrosive than tap water. Water has the propensity to oxidize most other types of materials (universal solvent and all that) and distilled water
has more of that propensity than harder water because in that case it has been partially saturated by dissolved minerals. The argument for distilled water is that it carries no calcium or other minerals into the cooling system which might eventually foul the
heat exchange surfaces. That is a minor danger and would only be a problem if you were adding large volumes of water on a regular basis. If your cooling system is tight it should never be a problem.</div>
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Bill Lawrence</div>
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BN1 #554</div>
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<div id="divRplyFwdMsg" dir="ltr"><font face="Calibri, sans-serif" style="font-size:11pt" color="#000000"><b>From:</b> Healeys <healeys-bounces@autox.team.net> on behalf of Michael Salter <michael.salter@gmail.com><br>
<b>Sent:</b> Monday, April 8, 2019 5:34 PM<br>
<b>To:</b> Robert Begani<br>
<b>Cc:</b> healeys@autox.team.net<br>
<b>Subject:</b> Re: [Healeys] FW: Radiator flush</font>
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<div dir="auto">Much and all as that sounds like a good theory I am having difficulty with the logic.
<div dir="auto">A starter won't work if an engine isn't adequately grounded and a ground of sufficient size to operate a starter will definitely be big enough to eliminate any EMF difference between the engine and the chassis. </div>
<div dir="auto">I've had an aluminum radiator corrode to worthlessness after only 3 years, with corrosion inhibitors in the coolant, and have yet to hear a realistic explanation for why it happened. </div>
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<div dir="auto">M</div>
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<div dir="ltr" class="x_gmail_attr">On Mon, Apr 8, 2019, 11:56 AM Robert Begani, <<a href="mailto:rfbegani@gmail.com">rfbegani@gmail.com</a>> wrote:<br>
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<p class="x_MsoNormal"><span style="font-size:12.0pt; font-family:"Arial",sans-serif; color:#1f497d">Back to the matter of using Distilled Water. I discussed this comment with my German/American friend who was installing a aluminum radiator in his Lagonda
Drop Head Coup. He has owned various European Vehicles with aluminum radiators, and classic cars with aluminum radiators. He cannot understand the need for distilled water if you are using antifreeze which includes anti-corrosion additives or using such
additive separately. Furthermore, the biggest problem with alloy radiators is the matter of a good grounded engine. His experience the failure of the alloy radiator is a poorly grounded engine which causes the electric current to run to ground via the water
in coolant system hence destroy the aluminum being dissimilar metal. So check the soundness of the ground.<u></u><u></u></span></p>
<p class="x_MsoNormal"><span style="font-size:12.0pt; font-family:"Arial",sans-serif; color:#1f497d"><u></u> <u></u></span></p>
<p class="x_MsoNormal"><span style="font-size:12.0pt; font-family:"Arial",sans-serif; color:#1f497d">Bob Begani<u></u><u></u></span></p>
<p class="x_MsoNormal"><span style="font-size:12.0pt; font-family:"Arial",sans-serif; color:#1f497d">BJ8 67<u></u><u></u></span></p>
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<p class="x_MsoNormal"><b>From:</b> Healeys <<a href="mailto:healeys-bounces@autox.team.net" target="_blank" rel="noreferrer">healeys-bounces@autox.team.net</a>>
<b>On Behalf Of </b>Michael Salter<br>
<b>Sent:</b> Wednesday, April 3, 2019 5:51 PM<br>
<b>To:</b> David Nock BCS <<a href="mailto:healeydoc@sbcglobal.net" target="_blank" rel="noreferrer">healeydoc@sbcglobal.net</a>><br>
<b>Cc:</b> Ahealey help <<a href="mailto:healeys@autox.team.net" target="_blank" rel="noreferrer">healeys@autox.team.net</a>>; i erbs <<a href="mailto:eyera3000@gmail.com" target="_blank" rel="noreferrer">eyera3000@gmail.com</a>><br>
<b>Subject:</b> Re: [Healeys] Radiator flush<u></u><u></u></p>
<p class="x_MsoNormal"><u></u> <u></u></p>
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<p class="x_MsoNormal"><span style="font-size:12.0pt; font-family:"Comic Sans MS"">" If you are installing a alloy radiator be sure and use Distilled water"<u></u><u></u></span></p>
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<p class="x_MsoNormal"><span style="font-size:12.0pt; font-family:"Comic Sans MS"">Those are definitely the words of someone who "has suffered the consequences" ...<u></u><u></u></span></p>
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<p class="x_MsoNormal"><span style="font-size:12.0pt; font-family:"Comic Sans MS"">M<u></u><u></u></span></p>
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<p class="x_MsoNormal">On Wed, Apr 3, 2019 at 5:47 PM David Nock BCS <<a href="mailto:healeydoc@sbcglobal.net" target="_blank" rel="noreferrer">healeydoc@sbcglobal.net</a>> wrote:<u></u><u></u></p>
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<p class="x_MsoNormal"><span style="font-size:12.0pt; font-family:"Century",serif; color:black">If you are installing a alloy radiator be sure and use Distilled water.
<u></u><u></u></span></p>
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<p class="x_MsoNormal"><span style="font-size:12.0pt; font-family:"Century",serif; color:black">The water flows thru the radiator top to bottom. It flows thru the heater from the lower hose thru the heater returning to the head.
<u></u><u></u></span></p>
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<p class="x_MsoNormal"><span style="font-size:12.0pt; font-family:"Century",serif; color:black">Water will not flow backwards thru the heater valve.<u></u><u></u></span></p>
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<p class="x_MsoNormal"><span style="font-size:12.0pt; font-family:"Century",serif; color:black"> <u></u><u></u></span></p>
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<p class="x_MsoNormal"><span style="font-size:12.0pt; font-family:"Century",serif; color:black"> <u></u><u></u></span></p>
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<p class="x_MsoNormal"><span style="font-size:12.0pt; font-family:"Century",serif; color:black">David Nock<br>
British Car Specialists<br>
209-948-8767<br>
<a href="http://www.britishcarspecialists.com" target="_blank" rel="noreferrer">www.britishcarspecialists.com</a><u></u><u></u></span></p>
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<p class="x_MsoNormal" style="background:whitesmoke"><b><span style="font-size:10.0pt; font-family:"Tahoma",sans-serif; color:black">From:</span></b><span style="font-size:10.0pt; font-family:"Tahoma",sans-serif; color:black">
<a href="mailto:eyera3000@gmail.com" title="eyera3000@gmail.com" target="_blank" rel="noreferrer">
i erbs</a> <u></u><u></u></span></p>
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<p class="x_MsoNormal" style="background:whitesmoke"><b><span style="font-size:10.0pt; font-family:"Tahoma",sans-serif; color:black">Sent:</span></b><span style="font-size:10.0pt; font-family:"Tahoma",sans-serif; color:black"> Wednesday, April 03, 2019 11:10
AM<u></u><u></u></span></p>
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<p class="x_MsoNormal" style="background:whitesmoke"><b><span style="font-size:10.0pt; font-family:"Tahoma",sans-serif; color:black">To:</span></b><span style="font-size:10.0pt; font-family:"Tahoma",sans-serif; color:black">
<a href="mailto:healeys@autox.team.net" title="healeys@autox.team.net" target="_blank" rel="noreferrer">
Ahealey help</a> <u></u><u></u></span></p>
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<p class="x_MsoNormal" style="background:whitesmoke"><b><span style="font-size:10.0pt; font-family:"Tahoma",sans-serif; color:black">Subject:</span></b><span style="font-size:10.0pt; font-family:"Tahoma",sans-serif; color:black"> [Healeys] Radiator flush<u></u><u></u></span></p>
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<p class="x_MsoNormal"><span style="font-size:12.0pt; color:black">Hello all, <u>
</u><u></u></span></p>
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<p class="x_MsoNormal"><span style="font-size:12.0pt; color:black">Preparing to install my alum radiator. Thought I would flush the cooling system.<u></u><u></u></span></p>
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<p class="x_MsoNormal"><span style="font-size:12.0pt; color:black">Which diretion direction does water flow? From block though
<br>
Shut off vavle into heater core, or through pipe and back into block through the shut off valve?<u></u><u></u></span></p>
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<p class="x_MsoNormal"><span style="font-size:12.0pt; color:black">Is my valve in open ir closed position? Heater controls not reinstalled yet. Unit get hot so Ill asume open, but want to confirm. Removed thermostat to help water flush ststem easier. Im going
to add extra hose and splice in a water hose bib. That way I can remove it and put system back in place.<u></u><u></u></span></p>
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<p class="x_MsoNormal"><span style="font-size:12.0pt; color:black">Im off this week, but the rain gods are laughing at me. So I'm just getting everything ready for the sweet spot of having time and sunshine so I can back the car out of the garage and flush
the system. I plan to drain the anti freeze and fill with flush chemicals and water when I'm ready to flush. Bought new anti freeze for my new radiator.<u></u><u></u></span></p>
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<p class="x_MsoNormal"><span style="font-size:12.0pt; color:black">Driving season is fast approaching.<u></u><u></u></span></p>
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<p class="x_MsoNormal"><span style="font-size:12.0pt; color:black">Happy roads and saftey fast<u></u><u></u></span></p>
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<p class="x_MsoNormal"><span style="font-size:12.0pt; color:black">Ira Erbs<br>
Portland, OR<br>
typos and artifacts are the fault of my phone<u></u><u></u></span></p>
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