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<DIV>I have an electric fan that is mounted in front of the rad and controlled
with a thermostat that I can set to come on at any temp. Got frustrated with the
hot days of July at red lights in Toronto, 30 years ago and have had no problems
since.</DIV>
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<DIV style="font-color: black"><B>From:</B> <A title=atightprod@aol.com
href="mailto:atightprod@aol.com">atightprod@aol.com</A> </DIV>
<DIV><B>Sent:</B> Tuesday, July 31, 2018 11:18 AM</DIV>
<DIV><B>To:</B> <A title=rfbegani@gmail.com
href="mailto:rfbegani@gmail.com">rfbegani@gmail.com</A> ; <A
title=healeys@autox.team.net
href="mailto:healeys@autox.team.net">healeys@autox.team.net</A> </DIV>
<DIV><B>Subject:</B> Re: [Healeys] Interesting (?) Photos</DIV></DIV></DIV>
<DIV> </DIV></DIV>
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<DIV><SPAN
style="FONT-SIZE: 10pt; FONT-FAMILY: arial, helvetica, sans-serif; COLOR: #000000; BACKGROUND-COLOR: #ffffff">I
have been using a bilge fan blowing air directly on my carbs in my BN1 for
almost six years now. Recently I shipped my car to Europe for the European
Healey Meet and while driving I got caught in a construction zone in France.
Less than a kilometer in distance, but close to an hour in time with no where,
and I mean no where, to pull off. Move three feet, stop for ten minutes, move
five feet, stop for six minutes, you get the idea. And it would have been
suicide to turn the car off. Temp gauge up to 230 and climbing. (The temp
indicator will go up and into the oil pressure side, I've witnessed it, but
that's another story)</SPAN></DIV>
<DIV><SPAN
style="FONT-SIZE: 10pt; FONT-FAMILY: arial, helvetica, sans-serif; COLOR: #000000; BACKGROUND-COLOR: #ffffff">
With the bilge fan turned on, my car never missed a beat. Never coughed. Never
ran rough. Never faltered. Once through said construction and back on the
"highway" I cruised on down the road and the temp came back down to 160. All's
well that ends well, but without that electric bilge fan with an on/off switch
in the cockpit, I would have been toast and the situation much
worse.<BR></SPAN></DIV>
<DIV><SPAN
style="FONT-SIZE: 10pt; FONT-FAMILY: arial, helvetica, sans-serif; COLOR: #000000; BACKGROUND-COLOR: #ffffff">
I am a believer and I have been proven correct a number of times. When I do stop
the car on hot days and come back out to start her up, I turn the fan on for a
couple of minutes before I start the car. Sometimes she starts right up with no
problem, sometimes she coughs a bit, but she always smooths out in a few seconds
and then I can drive away with no problems. Best modification I have made on my
car bar none.<BR></SPAN></DIV>
<DIV><SPAN
style="FONT-SIZE: 10pt; FONT-FAMILY: arial, helvetica, sans-serif; COLOR: #000000; BACKGROUND-COLOR: #ffffff">Steven
Kingsbury</SPAN></DIV>
<DIV><SPAN
style="FONT-SIZE: 10pt; FONT-FAMILY: arial, helvetica, sans-serif; COLOR: #000000; BACKGROUND-COLOR: #ffffff">BN1
#598<BR></SPAN></DIV>
<DIV><SPAN
style="FONT-SIZE: 10pt; FONT-FAMILY: arial, helvetica, sans-serif; COLOR: #000000; BACKGROUND-COLOR: #ffffff"><BR></SPAN></DIV></DIV>In
a message dated 7/31/2018 12:15:05 AM Pacific Standard Time, rfbegani@gmail.com
writes:
<DIV> </DIV>
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<P class=MsoNormal><SPAN
style="FONT-SIZE: 12pt; FONT-FAMILY: 'Arial',sans-serif; COLOR: #1f497d">So
Perry, if your analysis is correct, then the use of an electric fan pushing
air through the radiator, combined with an air deflector underneath the
radiator directing air from below into the fan and the engine compartment
provides sufficient air flow over the engine to keep the carbs cool enough to
keep them from overheating? In addition, the fan should be kept
operating while stalled in traffic and say 5 minutes before shutting down the
ignition?</SPAN></P>
<P class=MsoNormal><SPAN
style="FONT-SIZE: 12pt; FONT-FAMILY: 'Arial',sans-serif; COLOR: #1f497d"></SPAN> </P>
<P class=MsoNormal><SPAN
style="FONT-SIZE: 12pt; FONT-FAMILY: 'Arial',sans-serif; COLOR: #1f497d">The
fan seems to be the most used application, while the deflector and the bilge
fan directing air directly to the carbs seems to be the next most effective
application. </SPAN></P>
<P class=MsoNormal><SPAN
style="FONT-SIZE: 12pt; FONT-FAMILY: 'Arial',sans-serif; COLOR: #1f497d"></SPAN> </P>
<P class=MsoNormal><SPAN
style="FONT-SIZE: 12pt; FONT-FAMILY: 'Arial',sans-serif; COLOR: #1f497d">I
will let the list know when I get my BJ8 running as it will have the fan
operating with a control on the dash board and the deflector underneath the
radiator deflecting the air into the engine.</SPAN></P>
<P class=MsoNormal><SPAN
style="FONT-SIZE: 12pt; FONT-FAMILY: 'Arial',sans-serif; COLOR: #1f497d"></SPAN> </P>
<P class=MsoNormal><SPAN
style="FONT-SIZE: 12pt; FONT-FAMILY: 'Arial',sans-serif; COLOR: #1f497d">By
the way, I have a friend who used an inline electric fuel pump near the carbs
controlled with an on/off switch on the dash to increase the pressure to the
carbs while in traffic, along with a radiator fan on his Triumph and never had
a problem. That application could be a 4<SUP>th</SUP> in a series of how
to solve the problem of overheating and vapor lock.</SPAN></P>
<P class=MsoNormal><SPAN
style="FONT-SIZE: 12pt; FONT-FAMILY: 'Arial',sans-serif; COLOR: #1f497d"></SPAN> </P>
<P class=MsoNormal><SPAN
style="FONT-SIZE: 12pt; FONT-FAMILY: 'Arial',sans-serif; COLOR: #1f497d">Bob
Begani</SPAN></P>
<P class=MsoNormal><SPAN
style="FONT-SIZE: 12pt; FONT-FAMILY: 'Arial',sans-serif; COLOR: #1f497d">67
BJ8</SPAN></P>
<P class=MsoNormal><SPAN
style="FONT-SIZE: 12pt; FONT-FAMILY: 'Arial',sans-serif; COLOR: #1f497d"></SPAN> </P>
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<P class=MsoNormal><STRONG>From:</STRONG> Healeys
[<A>mailto:healeys-bounces@autox.team.net</A>] <STRONG>On Behalf Of
</STRONG>Perry<BR><STRONG>Sent:</STRONG> Thursday, July 26, 2018 5:57
PM<BR><STRONG>To:</STRONG>
<A>healeys@autox.team.net</A><BR><STRONG>Subject:</STRONG> Re: [Healeys]
Interesting (?) Photos</P></DIV></DIV>
<P class=MsoNormal> </P>
<P class=MsoNormal>Folks</P>
<P class=MsoNormal>Before we get to excited about a cooler carb please
consider what is happening in a running carburetor controlled engine. The carb
acts like a swamp cooler. The vaporized fuel is mixing with air and the
charge mixture is as cool as it gets before ignition in the combustion
chamber. Ever notice little droplets of moisture on the exterior of the carb
body when humidity and heat is just right? The real overheated carbs usually
occurs when the airflow (radiator fan wash) over the engine is limited or
restricted (read stuck in traffic or participating in the 4<SUP>th</SUP> of
July parade). Worst case is when you shut down the engine and the engine
begins the process of trying to make everything in the engine bay the same
temperature. Hot! The photos do show the hottest areas on the engine, exhaust
area and the head. Without airflow and vaporization in the carbs they rapidly
begin to heat up. So does the fuel in the fuel bowls. How hot does it have to
be to cause vapor lock?</P>
<P class=MsoNormal>Just a few thoughts for consideration and comment…</P>
<P class=MsoNormal>Perry</P>
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<P class=MsoNormal><STRONG>From: </STRONG><A rel="noopener noreferrer"
target=_blank>Bob England</A><BR><STRONG>Sent: </STRONG>Thursday, July 26,
2018 5:03 PM<BR><STRONG>To: </STRONG><A rel="noopener noreferrer"
target=_blank>'David Nock BCS'</A>; <A rel="noopener noreferrer"
target=_blank>healeys@autox.team.net</A><BR><STRONG>Subject: </STRONG>Re:
[Healeys] Interesting (?) Photos</P></DIV>
<P class=MsoNormal> </P>
<P class=MsoNormal>David</P>
<P class=MsoNormal> </P>
<P class=MsoNormal>I noticed that too - I figured the carbs would show
warmer. If I remember</P>
<P class=MsoNormal>I'm going to bring the unit home again this weekend and
poke a bit more</P>
<P class=MsoNormal>under the bonnet.</P>
<P class=MsoNormal> </P>
<P class=MsoNormal>Keep in mind that this is one car in one circumstance - the
guys chasing the</P>
<P class=MsoNormal>overheating issue might see something different with
thermal images of their</P>
<P class=MsoNormal>cars (it would be interesting to know).</P>
<P class=MsoNormal> </P>
<P class=MsoNormal>I must admit I have not been following an overheating carb
thread. What is</P>
<P class=MsoNormal>the issue? Maybe I should take some more thermal
images around the carbs.</P>
<P class=MsoNormal> </P>
<P class=MsoNormal>Thanks.</P>
<P class=MsoNormal> </P>
<P class=MsoNormal>Bob</P>
<P class=MsoNormal> </P>
<P class=MsoNormal>-----Original Message-----</P>
<P class=MsoNormal>From: David Nock BCS [<A rel="noopener noreferrer"
target=_blank>mailto:healeydoc@sbcglobal.net</A>]</P>
<P class=MsoNormal>Sent: July 26, 2018 9:57 AM</P>
<P class=MsoNormal>To: Bob England; <A rel="noopener noreferrer"
target=_blank>healeys@autox.team.net</A></P>
<P class=MsoNormal>Subject: Re: [Healeys] Interesting (?) Photos</P>
<P class=MsoNormal> </P>
<P class=MsoNormal>The interesting part that I see is that there is very
little heat at the</P>
<P class=MsoNormal>carbs, So that tells me that the problem everyone is
chasing of overheating</P>
<P class=MsoNormal>in the fuel in the carbs may not exist.</P>
<P class=MsoNormal> </P>
<P class=MsoNormal> </P>
<P class=MsoNormal> </P>
<P class=MsoNormal>David Nock</P>
<P class=MsoNormal>British Car Specialists</P>
<P class=MsoNormal>209-948-8767</P>
<P class=MsoNormal><A rel="noopener noreferrer"
target=_blank>www.britishcarspecialists.com</A></P>
<P class=MsoNormal>-----Original Message-----</P>
<P class=MsoNormal>From: Bob England</P>
<P class=MsoNormal>Sent: Tuesday, July 24, 2018 4:29 PM</P>
<P class=MsoNormal>To: <A rel="noopener noreferrer"
target=_blank>healeys@autox.team.net</A></P>
<P class=MsoNormal>Subject: [Healeys] Interesting (?) Photos</P>
<P class=MsoNormal> </P>
<P class=MsoNormal>I thought I'd share a few photos of the engine running in
our BJ8.</P>
<P class=MsoNormal> </P>
<P class=MsoNormal>Photo 28 is taken near the front right headlight looking
down. 29 is taken</P>
<P class=MsoNormal>from above the right front wheel looking towards the
radiator. 31 is from</P>
<P class=MsoNormal>the same position looking down at the valve cover and
distributor.</P>
<P class=MsoNormal> </P>
<P class=MsoNormal>I'd taken these when trying to find toe-frying hot spots in
the foot-wells.</P>
<P class=MsoNormal>Not the greatest photos, but interesting nevertheless.</P>
<P class=MsoNormal> </P>
<P class=MsoNormal>Bob</P>
<P class=MsoNormal> </P>
<P class=MsoNormal> </P>
<P class=MsoNormal> </P>
<P class=MsoNormal> </P>
<P class=MsoNormal> </P>
<P class=MsoNormal> </P>
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