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I inadvertently omitted an important detail: with the advent of cool weath=
er in NH, rather than change the thermostat to 180 from 160, I slipped a pi=
ece of cardboard in front of the radiator. I had driven 200 miles in back r=
oads with the cardboard in place and the temp gauge never got above 170, an=
d 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 radiat=
or 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, th=
ey 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 <michae=
l.salter@gmail.com> wrote: =20
=20
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 gril=
le. If these baffles aren't correctly fitted hot air from the backside of t=
he radiator will swirl around to the front and pass through the radiator ag=
ain 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=C2=A0Rich,
Your comments "high speed. run of twenty miles" and "extra series of coolin=
g tubes" may offer some clues. Fan blades flex away from the side that push=
es air, in other words towards=C2=A0the radiator. The extra cooling tubes m=
ay 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 eno=
ugh 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=C2=A0was ver=
y 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 1:39=E2=80=AFPM Richard Antal via Healeys <healeys@a=
utox.team.net> wrote:
Listers,=C2=A0 =C2=A0 My BJ8 seems beleaguered with misfortune. A couple of=
weeks ago I noted the oil pressure gauge wildly oscillating at various spe=
eds. It vanished two days later.=C2=A0 =C2=A0 Yesterday a high speed. run o=
f 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 leavin=
g 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 coo=
ling tubes and had given no problems for at least 5000 miles. I assumed the=
harness which prevents the engine from sliding forward was faulty. Inspect=
ion 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 ra=
diator 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_____=
__________________________________________
Archive: http://www.team.net/pipermail/healeys http://autox.team.net/archiv=
e/healeys
Healeys@autox.team.net
http://autox.team.net/mailman/listinfo/healeys
telus.net
=20
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<html><head></head><body><div class=3D"ydp3f8c0b14yahoo-style-wrap" style=
=3D"font-family:Helvetica Neue, Helvetica, Arial, sans-serif;font-size:13px=
;"><div></div>
<div dir=3D"ltr" data-setdir=3D"false">I inadvertently omitted an i=
mportant 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 pl=
ace 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 pro=
blem until arriving home, I could smell radiator fluid. When I popped the h=
ood all was wet, hot, and steaming. Perhaps at speeds 60mph and below the f=
an blades didn't flex enough but at 80 mph, they did and thus I inadvertent=
ly 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=3D"ltr" data-setdir=3D"false"><br></div><div dir=
=3D"ltr" data-setdir=3D"false"><br></div><div dir=3D"ltr" data-setdir=3D"fa=
lse"><br></div><div dir=3D"ltr" data-setdir=3D"false"><br></div><div dir=3D=
"ltr" data-setdir=3D"false"><br></div><div dir=3D"ltr" data-setdir=3D"false=
"><br></div><div><br></div>
=20
<div id=3D"ydp3f8c0b14yahoo_quoted_0026371616" class=3D"ydp3f8c0b14=
yahoo_quoted">
<div style=3D"font-family:'Helvetica Neue', Helvetica, Arial, s=
ans-serif;font-size:13px;">
=20
<div>
On Thursday, October 2, 2025 at 09:38:55 PM EDT, Michae=
l Salter <michael.salter@gmail.com> wrote:
</div>
<div><br></div>
<div><br></div>
<div><div id=3D"ydp3f8c0b14yiv2668703681"><div>
<div style=3D"font-family:Aptos, -apple-system, Roboto, Arial, Helvetica, s=
ans-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 grill=
e. If these baffles aren't correctly fitted hot air from the backside of th=
e radiator will swirl around to
the front and pass through the radiator again and thus seriously deminish =
its cooling ability.</div>
<div style=3D"font-family:Aptos, -apple-system, Roboto, Arial, Helvetica, s=
ans-serif;font-size:12pt;">
<br clear=3D"none">
</div>
<div style=3D"font-family:Aptos, -apple-system, Roboto, Arial, Helvetica, s=
ans-serif;font-size:12pt;">
M</div>
<div id=3D"ydp3f8c0b14yiv2668703681ms-outlook-mobile-body-separator-line" s=
tyle=3D"font-family:Aptos, -apple-system, Roboto, Arial, Helvetica, sans-se=
rif;font-size:12pt;">
<div style=3D"font-family:Aptos, -apple-system, Roboto, Arial, Helvetica, s=
ans-serif;font-size:12pt;">
<br clear=3D"none">
</div>
</div>
<div id=3D"ydp3f8c0b14yiv2668703681ms-outlook-mobile-signature" style=3D"fo=
nt-family:Aptos, -apple-system, Roboto, Arial, Helvetica, sans-serif;font-s=
ize:12pt;">
<div style=3D"font-family:Aptos, -apple-system, Roboto, Arial, Helvetica, s=
ans-serif;font-size:12pt;">
<br clear=3D"none">
</div>
</div>
<hr style=3D"display:inline-block;width:98%;" tabindex=3D"-1">
<div id=3D"ydp3f8c0b14yiv2668703681yqt68221" class=3D"ydp3f8c0b14yiv2668703=
681yqt4146443629"><div dir=3D"ltr" id=3D"ydp3f8c0b14yiv2668703681divRplyFwd=
Msg"><font face=3D"Calibri, sans-serif" style=3D"font-size:11pt;" color=3D"=
#000000"><b>From:</b> Healeys <healeys-bounces@autox.team.net> on beh=
alf of Harold Manifold <manifold@telus.net><br clear=3D"none">
<b>Sent:</b> Thursday, October 2, 2025 6:45:19 PM<br clear=3D"none">
<b>To:</b> Richard Antal <rantal243@yahoo.com><br clear=3D"none">
<b>Cc:</b> Healeys <healeys@autox.team.net><br clear=3D"none">
<b>Subject:</b> Re: [Healeys] Yet another mystery</font>
<div> </div>
</div>
<div>
<div dir=3D"ltr">Rich,
<div><br clear=3D"none">
</div>
<div>Your comments "high speed. run of twenty miles" and "extra series of c=
ooling tubes" may offer some clues. Fan blades flex away from the side that=
pushes air, in other words towards the radiator. The extra cooling tu=
bes may have reduced the clearance between
the radiator and the fan. There isn't much clearance to begin with. The co=
mbination of the two may have been enough for the fan to hit the radiator.<=
/div>
<div><br clear=3D"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 wa=
s very high and you were going up a steep hill the colling system should ke=
ep up. What was the water temperature
gauge saying?</div>
<div><br clear=3D"none">
</div>
<div>Harold</div>
<div><br clear=3D"none">
</div>
<div><br clear=3D"none">
</div>
</div>
<br clear=3D"none">
<div class=3D"ydp3f8c0b14yiv2668703681x_gmail_quote ydp3f8c0b14yiv266870368=
1x_gmail_quote_container">
<div dir=3D"ltr" class=3D"ydp3f8c0b14yiv2668703681x_gmail_attr">On Thu, Oct=
2, 2025 at 1:39=E2=80=AFPM Richard Antal via Healeys <<a shape=3D"rect"=
href=3D"mailto:healeys@autox.team.net"; rel=3D"nofollow" target=3D"_blank">=
healeys@autox.team.net</a>> wrote:<br clear=3D"none">
</div>
<blockquote style=3D"margin:0px 0px 0px 0.8ex;border-left:1px solid rgb(204=
,204,204);padding-left:1ex;" class=3D"ydp3f8c0b14yiv2668703681x_gmail_quote=
">
<div>
<div style=3D"font-family:Helvetica, Arial, sans-serif;font-size:13px;">
<div dir=3D"ltr">Listers,</div>
<div dir=3D"ltr"> My BJ8 seems beleaguered with misfortune. A =
couple of weeks ago I noted the oil pressure gauge wildly oscillating at va=
rious speeds. It vanished two days later.</div>
<div dir=3D"ltr"> 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 ext=
ra series of cooling tubes and had given no problems for at least 5000 mile=
s. I assumed the harness which prevents
the engine from sliding forward was faulty. Inspection of the underside di=
d 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 evide=
nce of recurrence of the fan nudging
the radiator. I'm perplexed what to do next. Thanks for your thoughts.....=
.</div>
<div dir=3D"ltr">Rich Antal</div>
</div>
</div>
_______________________________________________<br clear=3D"none">
rel=3D"nofollow" target=3D"_blank">
<br clear=3D"none">
Archive: <a shape=3D"rect" href=3D"http://www.team.net/pipermail/healeys"; r=
el=3D"nofollow" target=3D"_blank">
http://www.team.net/pipermail/healeys</a> <a shape=3D"rect" href=3D"http://=
autox.team.net/archive/healeys" rel=3D"nofollow" target=3D"_blank">
http://autox.team.net/archive/healeys</a><br clear=3D"none">
<br clear=3D"none">
<a shape=3D"rect" href=3D"mailto:Healeys@autox.team.net"; rel=3D"nofollow" t=
arget=3D"_blank">Healeys@autox.team.net</a><br clear=3D"none">
<a shape=3D"rect" href=3D"http://autox.team.net/mailman/listinfo/healeys"; r=
el=3D"nofollow" target=3D"_blank">http://autox.team.net/mailman/listinfo/he=
aleys</a><br clear=3D"none">
<br clear=3D"none">
/options/healeys/manifold@telus.net" rel=3D"nofollow" target=3D"_blank">
http://autox.team.net/mailman/options/healeys/manifold@telus.net</a><br cle=
ar=3D"none">
<br clear=3D"none">
</blockquote>
</div>
</div></div>
</div></div></div>
</div>
</div></div></body></html>
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_______________________________________________
Archive: http://www.team.net/pipermail/healeys
http://autox.team.net/archive/healeys
Healeys@autox.team.net
http://autox.team.net/mailman/listinfo/healeys
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