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Re: [Healeys] alum radiator swap

To: healeys@autox.team.net
Subject: Re: [Healeys] alum radiator swap
From: Kees Oudesluijs <coudesluijs@chello.nl>
Date: Sun, 2 Jun 2019 10:19:17 +0200
Delivered-to: mharc@autox.team.net
Delivered-to: healeys@autox.team.net
References: <CABXhz8-_HrwbrHXCMVL2gZ-4H70ifqfH0inpVY7zFgDj9iggQw@mail.gmail.com> <1559458431443.3042984.5d09105e3a9936237334f95f61d63668af6b1c5d@spica.telekom.de>
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Yes and no.

An old car should be fit for any normal drive, be it regularly or 
occasionally, at leisure or in modern heavy traffic. This means that 
many classic cars will need some assistance with the cooling, i.e. an 
electric fan, either manually or thermostatically controlled.

An aluminium radiator is indeed a gimmick and does not add anything at 
all. It will probably wear out faster due to corrosion. It is just cheap 
to manufacture and does not improve the cooling efficiency.

What improves cooling efficiency is increasing the running temperature 
of the engine by fitting a hotter thermostat thus creating a larger 
delta T, fitting a more efficient water pump to increase the coolant 
flow, enlarging the total surface area of the radiator, i.e. more rows 
(up to a point), larger matrix or increase the air flow through the 
radiator, i.e. improved cowling, more blades to the fixed fan, higher 
engine idling speed but most of all a thermostatically controlled fan in 
combination with a carefully chosen thermostat and thermoswitch.

Kees Oudesluijs



Op 2-6-2019 om 08:53 schreef josef-eckert@t-online.de:
>
> When you use genuine parts to replace faulty ones and when you keep 
> the car propperly maintained  and when you use the old car only 
> occasionally for fun drives just to enjoy driving it, there is no 
> problem with an old car.
>
> PS: Aluminium radiator is something nobody needs in a classic car as 
> it improves nothing. Just a useless gimmick.
>
> Josef Eckert
>
> Königswinter/Germany
>
> -----Original-Nachricht-----
>
> Betreff: [Healeys] alum radiator swap
>
> Datum: 2019-06-02T00:21:42+0200
>
> Von: "i erbs" <eyera3000@gmail.com>
>
> An: "Ahealey help" <healeys@autox.team.net>
>
> Aluminum radiator swap update:
> Got my old oem unit out. Removed my nice newish metal flex fan. 
> spliced wires onto the electric fan for easy connect/disconnect and 
> then went to double-check the new radiator will work after and initial 
> trial fit. What I found: OEM radiator is 1/2" wider and the aluminum 
> radiator does not have tapped holes, so nuts will be needed to attach 
> to my car. I am outside of the return window.
> So it looks like I will be getting my OEM Radiator flow tested and tanked.
> Will reinstall my flex fan
> refill with coolant/water
> have installed a new sleeved thermostat to replace the non-sleeved unit.
> I can make some shims for the new radiator, but cutting threads in the 
> holes will most likely result in the holes being to big for the bolts.
> Fun with old cars
> Registered for a car show on June 8th....
> Ira Erbs
> Portland,OR
>       _______      _______
>      (______ \____1959 BN4____/ _______)
> (_________________________)
>           BT7 engine and disk brakes
> 1967 MGB MG
> A racing car is an animal with a thousand adjustments. Mario Andretti
> Please excuse random auto corrects and misspelled words
> 
>
> _______________________________________________
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>

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    <p>Yes and no.</p>
    <p> An old car should be fit for any normal drive, be it regularly
      or occasionally, at leisure or in modern heavy traffic. This means
      that many classic cars will need some assistance with the cooling,
      i.e. an electric fan, either manually or thermostatically
      controlled.</p>
    <p>An aluminium radiator is indeed a gimmick and does not add
      anything at all. It will probably wear out faster due to
      corrosion. It is just cheap to manufacture and does not improve
      the cooling efficiency. <br>
    </p>
    <p>What improves cooling efficiency is increasing the running
      temperature of the engine by fitting a hotter thermostat thus
      creating a larger delta T, fitting a more efficient water pump to
      increase the coolant flow, enlarging the total surface area of the
      radiator, i.e. more rows (up to a point), larger matrix or
      increase the air flow through the radiator, i.e. improved cowling,
      more blades to the fixed fan, higher engine idling speed but most
      of all a thermostatically controlled fan in combination with a
      carefully chosen thermostat and thermoswitch.</p>
    <p>Kees Oudesluijs</p>
    <p><br>
    </p>
    <p><br>
    </p>
    <div class="moz-cite-prefix">Op 2-6-2019 om 08:53 schreef
      <a class="moz-txt-link-abbreviated" 
href="mailto:josef-eckert@t-online.de";>josef-eckert@t-online.de</a>:<br>
    </div>
    <blockquote type="cite"
cite="mid:1559458431443.3042984.5d09105e3a9936237334f95f61d63668af6b1c5d@spica.telekom.de">
      <meta http-equiv="Content-Type" content="text/html; charset=UTF-8">
      <title></title>
      <p style="margin: 0px;"><span
style="font-family:arial,helvetica,sans-serif;font-size:10pt;color:#000000;text-decoration:none">When
          you use genuine parts to replace faulty ones and when you keep
          the car propperly maintained  and when you use the old car
          only occasionally for fun drives just to enjoy driving it,
          there is no problem with an old car.<br>
        </span></p>
      <p style="margin: 0px;"><span
style="font-family:arial,helvetica,sans-serif;font-size:10pt;color:#000000;text-decoration:none">PS:
          Aluminium radiator is something nobody needs in a classic car
          as it improves nothing. Just a useless gimmick.</span></p>
      <p style="margin: 0px;"> </p>
      <p style="margin: 0px;"><span
style="font-family:arial,helvetica,sans-serif;font-size:10pt;color:#000000;text-decoration:none">Josef
          Eckert</span></p>
      <p style="margin: 0px;"><span
style="font-family:arial,helvetica,sans-serif;font-size:10pt;color:#000000;text-decoration:none">Königswinter/Germany</span></p>
      <p style="margin: 0px;"> </p>
      <p style="margin: 0px;"><span
style="font-family:arial,helvetica,sans-serif;font-size:10pt;color:#000000;text-decoration:none"> </span></p>
      <p style="margin: 0px;"> </p>
      <p style="margin: 0px;"> </p>
      <p style="margin: 0px;">-----Original-Nachricht-----</p>
      <p style="margin: 0px;">Betreff: [Healeys] alum radiator swap</p>
      <p style="margin: 0px;">Datum: 2019-06-02T00:21:42+0200</p>
      <p style="margin: 0px;">Von: "i erbs" <a class="moz-txt-link-rfc2396E" 
href="mailto:eyera3000@gmail.com";>&lt;eyera3000@gmail.com&gt;</a>
      </p>
      <p style="margin: 0px;">An: "Ahealey help"
        <a class="moz-txt-link-rfc2396E" 
href="mailto:healeys@autox.team.net";>&lt;healeys@autox.team.net&gt;</a></p>
      <p style="margin: 0px;"> </p>
      <p style="margin: 0px;"> </p>
      <p style="margin: 0px;"> </p>
      <div>
        <div dir="ltr">
          <div class="gmail-" style="font-family: Helvetica,Arial,sans-serif; 
color: #1d2129; font-size: 14px; white-space: pre-wrap;">
<div class="gmail-_1mf gmail-_1mj" style="direction: ltr; font-family: 
inherit;"><span style="font-family: inherit;"><span style="font-family: 
inherit;">Aluminum radiator swap update:</span></span></div>
</div>
          <div class="gmail-" style="font-family: Helvetica,Arial,sans-serif; 
color: #1d2129; font-size: 14px; white-space: pre-wrap;">
<div class="gmail-_1mf gmail-_1mj" style="direction: ltr; font-family: 
inherit;"><span style="font-family: inherit;"><span style="font-family: 
inherit;">Got my old oem unit out. Removed my nice newish metal flex fan. 
spliced wires onto the electric fan for easy connect/disconnect and then went 
to double-check the new radiator will work after and initial trial fit. What I 
found: OEM radiator is 1/2" wider and the aluminum radiator does not have 
tapped holes, so nuts will be needed to attach to my car. I am outside of the 
return window.</span></span></div>
</div>
          <div class="gmail-" style="font-family: Helvetica,Arial,sans-serif; 
color: #1d2129; font-size: 14px; white-space: pre-wrap;">
<div class="gmail-_1mf gmail-_1mj" style="direction: ltr; font-family: 
inherit;"><span style="font-family: inherit;"><span style="font-family: 
inherit;">So it looks like I will be getting my OEM Radiator flow tested and 
tanked.</span></span></div>
</div>
          <div class="gmail-" style="font-family: Helvetica,Arial,sans-serif; 
color: #1d2129; font-size: 14px; white-space: pre-wrap;">
<div class="gmail-_1mf gmail-_1mj" style="direction: ltr; font-family: 
inherit;"><span style="font-family: inherit;"><span style="font-family: 
inherit;">Will reinstall my flex fan</span></span></div>
</div>
          <div class="gmail-" style="font-family: Helvetica,Arial,sans-serif; 
color: #1d2129; font-size: 14px; white-space: pre-wrap;">
<div class="gmail-_1mf gmail-_1mj" style="direction: ltr; font-family: 
inherit;"><span style="font-family: inherit;"><span style="font-family: 
inherit;">refill with coolant/water</span></span></div>
</div>
          <div class="gmail-" style="font-family: Helvetica,Arial,sans-serif; 
color: #1d2129; font-size: 14px; white-space: pre-wrap;">
<div class="gmail-_1mf gmail-_1mj" style="direction: ltr; font-family: 
inherit;"><span style="font-family: inherit;"><span style="font-family: 
inherit;">have installed a new sleeved thermostat to replace the non-sleeved 
unit.</span></span></div>
</div>
          <div class="gmail-" style="font-family: Helvetica,Arial,sans-serif; 
color: #1d2129; font-size: 14px; white-space: pre-wrap;">
<div class="gmail-_1mf gmail-_1mj" style="direction: ltr; font-family: 
inherit;"><span style="font-family: inherit;"><span style="font-family: 
inherit;">I can make some shims for the new radiator, but cutting threads in 
the holes will most likely result in the holes being to big for the 
bolts.</span></span></div>
</div>
          <div class="gmail-" style="font-family: Helvetica,Arial,sans-serif; 
color: #1d2129; font-size: 14px; white-space: pre-wrap;">
<div class="gmail-_1mf gmail-_1mj" style="direction: ltr; font-family: 
inherit;"><span style="font-family: inherit;"><span style="font-family: 
inherit;">Fun with old cars</span></span></div>
</div>
          <div class="gmail-" style="font-family: Helvetica,Arial,sans-serif; 
color: #1d2129; font-size: 14px; white-space: pre-wrap;">
<div class="gmail-_1mf gmail-_1mj" style="direction: ltr; font-family: 
inherit;"><span style="font-family: inherit;"><span style="font-family: 
inherit;">Registered for a car show on June 8th....</span></span></div>
</div>
          <div>
            <div class="gmail_signature" dir="ltr"
              data-smartmail="gmail_signature">
              <div dir="ltr">
                <div>
                  <div dir="ltr">
                    <div>
                      <div dir="ltr">
                        <div>
                          <div dir="ltr">
                            <div>
                              <div dir="ltr">
                                <div>
                                  <div dir="ltr">
                                    <div>
                                      <div dir="ltr">
                                        <div dir="ltr">Ira Erbs
                                          <div>Portland,OR</div>
                                          <div><span style="font-family:
                                              &amp;#39;">      _______  
                                                                    
   
                                                   _______</span><br
                                              style="font-family:
                                              &amp;#39;">
                                            <span style="font-family:
                                              &amp;#39;">     (______
                                              \____1959 BN4____/
                                              _______)</span><br
                                              style="font-family:
                                              &amp;#39;">
                                            <span style="font-family:
                                              &amp;#39;">        
                                              
(_________________________)</span></div>
                                          <div>          BT7 engine and
                                            disk brakes</div>
                                          <div> </div>
                                          <div> </div>
                                          <div>1967 MGB  <img
                                              
src="http://www.britishcarspecialists.com/assets/images/MG_emblem.jpg";
                                              alt="MG"
                                              moz-do-not-send="true"></div>
                                          <div> </div>
                                          <div><span style="color:
                                              #333333; font-family:
                                              &amp;quot; helvetica
                                              
neue&amp;quot;,helvetica,arial,sans-serif;font-size:
                                              14px;">A racing car is an
                                              animal with a thousand
                                              adjustments. Mario
                                              Andretti</span></div>
                                          <div>Please excuse random auto
                                            corrects and misspelled
                                            words</div>
                                        </div>
                                      </div>
                                    </div>
                                  </div>
                                </div>
                              </div>
                            </div>
                          </div>
                        </div>
                      </div>
                    </div>
                  </div>
                </div>
              </div>
            </div>
          </div>
        </div>
      </div>
      
      <br>
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