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Except flex fans are extremely noisy. I got a 7-blade SS Hayden flex fan
and BCS's own home-rolled shroud from them decades ago, and it was good
for a 5-10deg reduction at idle but, damn was it loud (and it would blow
clouds of dust out from under the car when stationary). Ditched it for a
TC (but kept the shroud). Some SS flex fans are known for throwing a blade.
bs
On 10/4/2025 9:15 PM, Don Anglesey wrote:
> Ditch the Texas cooler, British car specialists sell a nice
> stainless-steel fan that doesn't flex into your radiator.
>
> Don
>
> Get Outlook for Android <https://aka.ms/AAb9ysg>
> ------------------------------------------------------------------------
> *From:* Healeys <healeys-bounces@autox.team.net> on behalf of Richard
> Antal via Healeys <healeys@autox.team.net>
> *Sent:* Friday, October 3, 2025 6:04:28 AM
> *To:* Harold Manifold <manifold@telus.net>; Michael Salter
> <michael.salter@gmail.com>
> *Cc:* Healeys <healeys@autox.team.net>
> *Subject:* Re: [Healeys] Yet another mystery
> I inadvertently omitted an important detail: with the advent of cool
> weather in NH, rather than change the thermostat to 180 from 160, I
> slipped a piece of cardboard in front of the radiator. I had driven
> 200 miles in back roads with the cardboard in place and the temp gauge
> never got above 170, and so I didn't watch the temp gauge while
> dashing down the interstate at 80 mph. I was unaware of any problem
> until arriving home, I could smell radiator fluid. When I popped the
> hood all was wet, hot, and steaming. Perhaps at speeds 60mph and below
> the fan blades didn't flex enough but at 80 mph, they did and thus I
> inadvertently caused the damage to the radiator. I doesn't leak.
> Today, having removed the suspect cardboard, I'll venture forth and
> watch the temp gauge keenly.......rich
>
>
>
>
>
>
>
> On Thursday, October 2, 2025 at 09:38:55 PM EDT, Michael Salter
> <michael.salter@gmail.com> wrote:
>
>
> I would also suggest that you take a careful look at the baffles that
> are, or should be, installed forward from the sides of the radiator to
> the grille. If these baffles aren't correctly fitted hot air from the
> backside of the radiator will swirl around to the front and pass
> through the radiator again and thus seriously deminish its cooling
> ability.
>
> M
>
>
> ------------------------------------------------------------------------
> *From:* Healeys <healeys-bounces@autox.team.net> on behalf of Harold
> Manifold <manifold@telus.net>
> *Sent:* Thursday, October 2, 2025 6:45:19 PM
> *To:* Richard Antal <rantal243@yahoo.com>
> *Cc:* Healeys <healeys@autox.team.net>
> *Subject:* Re: [Healeys] Yet another mystery
> Rich,
>
> Your comments "high speed. run of twenty miles" and "extra series of
> cooling tubes" may offer some clues. Fan blades flex away from the
> side that pushes air, in other words towards the radiator. The extra
> cooling tubes may have reduced the clearance between the radiator and
> the fan. There isn't much clearance to begin with. The combination of
> the two may have been enough for the fan to hit the radiator.
>
> The other issue is what caused the overheating. At high speeds the fan
> has little to no effect on cooling. Unless the ambient temperature was
> very high and you were going up a steep hill the colling system should
> keep up. What was the water temperature gauge saying?
>
> Harold
>
>
>
> On Thu, Oct 2, 2025 at 1:39â?¯PM Richard Antal via Healeys
> <healeys@autox.team.net> wrote:
>
> Listers,
> Â Â My BJ8 seems beleaguered with misfortune. A couple of weeks
> ago I noted the oil pressure gauge wildly oscillating at various
> speeds. It vanished two days later.
> Â Â Yesterday a high speed. run of twenty miles produce an
> overheating radiator with fluid spewing from the overflow tube. To
> my horror, I saw that the Texas cooler fan which I'd had for at
> least 25 years had confronted the engine side of the radiator
> leaving a distinct circular impression and abrasion to the tip of
> one of the fan blades. That radiator was rebuilt two years ago
> with an extra series of cooling tubes and had given no problems
> for at least 5000 miles. I assumed the harness which prevents the
> engine from sliding forward was faulty. Inspection of the
> underside did not support that conclusion--it looked fine to me:
> all bushings and nuts were in place. I ran the engine after
> filling the radiator and saw no evidence of recurrence of the fan
> nudging the radiator. I'm perplexed what to do next. Thanks for
> your thoughts......
> Rich Antal
> _______________________________________________
> Support Team.Net http://www.team.net/donate.html
> Suggested annual donation $12.75
>
> Archive: http://www.team.net/pipermail/healeys
> http://autox.team.net/archive/healeys
>
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> http://autox.team.net/mailman/listinfo/healeys
>
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>
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Except flex fans are extremely noisy. I got a 7-blade SS Hayden flex
fan and BCS's own home-rolled shroud from them decades ago, and it
was good for a 5-10deg reduction at idle but, damn was it loud (and
it would blow clouds of dust out from under the car when
stationary). Ditched it for a TC (but kept the shroud). Some SS flex
fans are known for throwing a blade. <br>
<br>
bs<br>
<br>
<div class="moz-cite-prefix">On 10/4/2025 9:15 PM, Don Anglesey
wrote:<br>
</div>
<blockquote type="cite"
cite="mid:SJ0PR04MB7614A7611718CC6FE5F8BB48FDE2A@SJ0PR04MB7614.namprd04.prod.outlook.com">
<meta http-equiv="Content-Type" content="text/html; charset=UTF-8">
<div
style="font-family: Aptos, Aptos_MSFontService, -apple-system, Roboto, Arial,
Helvetica, sans-serif; font-size: 12pt;"
dir="auto">
Ditch the Texas cooler, British car specialists sell a nice
stainless-steel fan that doesn't flex into your radiator. </div>
<div
style="font-family: Aptos, Aptos_MSFontService, -apple-system, Roboto, Arial,
Helvetica, sans-serif; font-size: 12pt;"
dir="auto">
<br>
</div>
<div
style="font-family: Aptos, Aptos_MSFontService, -apple-system, Roboto, Arial,
Helvetica, sans-serif; font-size: 12pt;"
dir="auto">
Don</div>
<div id="ms-outlook-mobile-body-separator-line"
data-applydefaultfontstyles="true" dir="auto"
style="font-family: Aptos, Aptos_MSFontService, -apple-system, Roboto, Arial,
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<div
style="font-family: Aptos, Aptos_MSFontService, -apple-system, Roboto, Arial,
Helvetica, sans-serif; font-size: 12pt;">
<br>
</div>
</div>
<div id="ms-outlook-mobile-signature" dir="auto"
style="font-family: Aptos, Aptos_MSFontService, -apple-system, Roboto, Arial,
Helvetica, sans-serif; font-size: 12pt;">
<span
style="font-family: Aptos, Aptos_MSFontService, -apple-system, Roboto, Arial,
Helvetica, sans-serif; font-size: 12pt;">Get
</span><a href="https://aka.ms/AAb9ysg";
style="font-family: Aptos, Aptos_MSFontService, -apple-system, Roboto, Arial,
Helvetica, sans-serif; font-size: 12pt;"
moz-do-not-send="true">Outlook for Android</a></div>
<hr style="display:inline-block;width:98%" tabindex="-1">
<div id="divRplyFwdMsg" dir="ltr"><font face="Calibri, sans-serif"
style="font-size:11pt" color="#000000"><b>From:</b> Healeys
<a class="moz-txt-link-rfc2396E"
href="mailto:healeys-bounces@autox.team.net";><healeys-bounces@autox.team.net></a>
on behalf of Richard
Antal via Healeys <a class="moz-txt-link-rfc2396E"
href="mailto:healeys@autox.team.net";><healeys@autox.team.net></a><br>
<b>Sent:</b> Friday, October 3, 2025 6:04:28 AM<br>
<b>To:</b> Harold Manifold <a class="moz-txt-link-rfc2396E"
href="mailto:manifold@telus.net";><manifold@telus.net></a>; Michael
Salter <a class="moz-txt-link-rfc2396E"
href="mailto:michael.salter@gmail.com";><michael.salter@gmail.com></a><br>
<b>Cc:</b> Healeys <a class="moz-txt-link-rfc2396E"
href="mailto:healeys@autox.team.net";><healeys@autox.team.net></a><br>
<b>Subject:</b> Re: [Healeys] Yet another mystery</font>
<div>Â </div>
</div>
<div>
<div class="x_ydp3f8c0b14yahoo-style-wrap"
style="font-family:Helvetica Neue,Helvetica,Arial,sans-serif; font-size:13px">
<div dir="ltr" data-setdir="false">I inadvertently omitted an
important detail: with the advent of cool weather in NH,
rather than change the thermostat to 180 from 160, I slipped
a piece of cardboard in front of the radiator. I had driven
200 miles in back roads with the cardboard in place and the
temp gauge never got above 170, and so I didn't watch the
temp gauge while dashing down the interstate at 80 mph. I
was unaware of any problem until arriving home, I could
smell radiator fluid. When I popped the hood all was wet,
hot, and steaming. Perhaps at speeds 60mph and below the fan
blades didn't flex enough but at 80 mph, they did and thus I
inadvertently caused the damage to the radiator. I doesn't
leak. Today, having removed the suspect cardboard, I'll
venture forth and watch the temp gauge keenly.......rich</div>
<div dir="ltr" data-setdir="false"><br>
</div>
<div dir="ltr" data-setdir="false"><br>
</div>
<div dir="ltr" data-setdir="false"><br>
</div>
<div dir="ltr" data-setdir="false"><br>
</div>
<div dir="ltr" data-setdir="false"><br>
</div>
<div dir="ltr" data-setdir="false"><br>
</div>
<div><br>
</div>
<div id="x_ydp3f8c0b14yahoo_quoted_0026371616"
class="x_ydp3f8c0b14yahoo_quoted">
<div
style="font-family:'Helvetica Neue',Helvetica,Arial,sans-serif; font-size:13px">
<div>On Thursday, October 2, 2025 at 09:38:55 PM EDT,
Michael Salter <a class="moz-txt-link-rfc2396E"
href="mailto:michael.salter@gmail.com";><michael.salter@gmail.com></a>
wrote:
</div>
<div><br>
</div>
<div><br>
</div>
<div>
<div id="x_ydp3f8c0b14yiv2668703681">
<div>
<div
style="font-family:Aptos,-apple-system,Roboto,Arial,Helvetica,sans-serif;
font-size:12pt">
I would also suggest that you take a careful look
at the baffles that are, or should be, installed
forward from the sides of the radiator to the
grille. If these baffles aren't correctly fitted
hot air from the backside of the radiator will
swirl around to the front and pass through the
radiator again and thus seriously deminish its
cooling ability.</div>
<div
style="font-family:Aptos,-apple-system,Roboto,Arial,Helvetica,sans-serif;
font-size:12pt">
<br clear="none">
</div>
<div
style="font-family:Aptos,-apple-system,Roboto,Arial,Helvetica,sans-serif;
font-size:12pt">
M</div>
<div
id="x_ydp3f8c0b14yiv2668703681ms-outlook-mobile-body-separator-line"
style="font-family:Aptos,-apple-system,Roboto,Arial,Helvetica,sans-serif;
font-size:12pt">
<div
style="font-family:Aptos,-apple-system,Roboto,Arial,Helvetica,sans-serif;
font-size:12pt">
<br clear="none">
</div>
</div>
<div
id="x_ydp3f8c0b14yiv2668703681ms-outlook-mobile-signature"
style="font-family:Aptos,-apple-system,Roboto,Arial,Helvetica,sans-serif;
font-size:12pt">
<div
style="font-family:Aptos,-apple-system,Roboto,Arial,Helvetica,sans-serif;
font-size:12pt">
<br clear="none">
</div>
</div>
<hr tabindex="-1"
style="display:inline-block; width:98%">
<div id="x_ydp3f8c0b14yiv2668703681yqt68221"
class="x_ydp3f8c0b14yiv2668703681yqt4146443629">
<div dir="ltr"
id="x_ydp3f8c0b14yiv2668703681divRplyFwdMsg"><font
face="Calibri, sans-serif" color="#000000"
style="font-size:11pt"><b>From:</b> Healeys
<a class="moz-txt-link-rfc2396E"
href="mailto:healeys-bounces@autox.team.net";><healeys-bounces@autox.team.net></a>
on
behalf of Harold Manifold
<a class="moz-txt-link-rfc2396E"
href="mailto:manifold@telus.net";><manifold@telus.net></a><br clear="none">
<b>Sent:</b> Thursday, October 2, 2025 6:45:19
PM<br clear="none">
<b>To:</b> Richard Antal
<a class="moz-txt-link-rfc2396E"
href="mailto:rantal243@yahoo.com";><rantal243@yahoo.com></a><br
clear="none">
<b>Cc:</b> Healeys
<a class="moz-txt-link-rfc2396E"
href="mailto:healeys@autox.team.net";><healeys@autox.team.net></a><br
clear="none">
<b>Subject:</b> Re: [Healeys] Yet another
mystery</font>
<div>Â </div>
</div>
<div>
<div dir="ltr">Rich,
<div><br clear="none">
</div>
<div>Your comments "high speed. run of twenty
miles" and "extra series of cooling tubes"
may offer some clues. Fan blades flex away
from the side that pushes air, in other
words towards the radiator. The extra
cooling tubes may have reduced the clearance
between the radiator and the fan. There
isn't much clearance to begin with. The
combination of the two may have been enough
for the fan to hit the radiator.</div>
<div><br clear="none">
</div>
<div>The other issue is what caused the
overheating. At high speeds the fan has
little to no effect on cooling. Unless the
ambient temperature was very high and you
were going up a steep hill the colling
system should keep up. What was the water
temperature gauge saying?</div>
<div><br clear="none">
</div>
<div>Harold</div>
<div><br clear="none">
</div>
<div><br clear="none">
</div>
</div>
<br clear="none">
<div
class="x_ydp3f8c0b14yiv2668703681x_gmail_quote
x_ydp3f8c0b14yiv2668703681x_gmail_quote_container">
<div dir="ltr"
class="x_ydp3f8c0b14yiv2668703681x_gmail_attr">On Thu, Oct 2, 2025 at
1:39â?¯PM Richard Antal via Healeys <<a
shape="rect"
href="mailto:healeys@autox.team.net";
rel="nofollow" target="_blank"
moz-do-not-send="true"
class="moz-txt-link-freetext">healeys@autox.team.net</a>>
wrote:<br clear="none">
</div>
<blockquote
class="x_ydp3f8c0b14yiv2668703681x_gmail_quote"
style="margin:0px 0px 0px 0.8ex; border-left:1px solid rgb(204,204,204);
padding-left:1ex">
<div>
<div
style="font-family:Helvetica,Arial,sans-serif; font-size:13px">
<div dir="ltr">Listers,</div>
<div dir="ltr">Â Â My BJ8 seems
beleaguered with misfortune. A couple
of weeks ago I noted the oil pressure
gauge wildly oscillating at various
speeds. It vanished two days later.</div>
<div dir="ltr">Â Â Yesterday a high
speed. run of twenty miles produce an
overheating radiator with fluid
spewing from the overflow tube. To my
horror, I saw that the Texas cooler
fan which I'd had for at least 25
years had confronted the engine side
of the radiator leaving a distinct
circular impression and abrasion to
the tip of one of the fan blades. That
radiator was rebuilt two years ago
with an extra series of cooling tubes
and had given no problems for at least
5000 miles. I assumed the harness
which prevents the engine from sliding
forward was faulty. Inspection of the
underside did not support that
conclusion--it looked fine to me: all
bushings and nuts were in place. I ran
the engine after filling the radiator
and saw no evidence of recurrence of
the fan nudging the radiator. I'm
perplexed what to do next. Thanks for
your thoughts......</div>
<div dir="ltr">Rich Antal</div>
</div>
</div>
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<fieldset class="moz-mime-attachment-header"></fieldset>
<pre wrap=""
class="moz-quote-pre">_______________________________________________
Archive: <a class="moz-txt-link-freetext"
href="http://www.team.net/pipermail/healeys";>http://www.team.net/pipermail/healeys</a>
<a class="moz-txt-link-freetext"
href="http://autox.team.net/archive/healeys";>http://autox.team.net/archive/healeys</a>
<a class="moz-txt-link-abbreviated"
href="mailto:Healeys@autox.team.net";>Healeys@autox.team.net</a>
<a class="moz-txt-link-freetext"
href="http://autox.team.net/mailman/listinfo/healeys";>http://autox.team.net/mailman/listinfo/healeys</a>
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_______________________________________________
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