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Oh no ... not engine oil again ...=F0=9F=A4=AA
On Thu., Feb. 24, 2022, 12:35 p.m. warthodson--- via Healeys, <
healeys@autox.team.net> wrote:
> Bob,
> If Dynolite does not work, I would try 20W50 motor oil. I have read that
> it is an excellent heat transfer agent & should also be good for the wate=
r
> pump bearings. Also, any leaks in the head gasket might go undetected!
> Your welcome,
> Gary Hodson
>
> -----Original Message-----
> From: Bob Spidell <bspidell@comcast.net>
> To: healeys@autox.team.net
> Sent: Thu, Feb 24, 2022 10:44 am
> Subject: Re: [Healeys] Head Gasket
>
> Which, of course, is the theory of the various 'water wetter' products. I
> tried (the original, I think) Water Wetter from Redline and didn't notice=
a
> significant reduction in coolant temp; but, I've got a bottle of the
> Dynolite version on the shelf I'll throw in the next time I change out
> coolant. As they say: "Hope springs eternal."
>
>
> On 2/24/2022 8:30 AM, Michael Salter wrote:
>
> Interesting article Bob but IMHO their statement:
> "Pressure in a cooling system is vital for keeping water in contact with =
the
> metal surfaces of the cylinder heads and block."
> is something of an over simplification.
> The reality is that any "boiling " of the coolant produces a "bubble" of
> gaseous coolant, there is no air, as such, involved.
> Their statement :
> "Pressure keeps the air compressed and maintains the water-to-metal
> contact. "
> suggests that the cooling system contains air; it shouldn't contain any
> air, other perhaps the very small quantity disolved in the coolant.
> Pressurizing the cooling system raises the boiling point. Raising the
> boiling point means that the temperature of the engine surfaces where
> gaseous coolant will be generated will also need to be higher for boilin=
g
> to occur.
> As the rate of heat radiation from the cooling surfaces is proportional t=
o
> the 4th power of the absolute temperature there is also a considerable
> increase in the amount of energy that can be dissipated by the radiator.
> These things together make pressuring the cooling system even to only 7
> p.s.i. very advantageous.
> As I mentioned earlier the problem with the 100 insofar as cooling system
> pressure is concerned is the carbon seal in the water pump and perhaps th=
e
> design of the radiator tanks.
>
> M
>
>
>
>
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>
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<div dir=3D"auto">Oh no ... not engine oil again ...=F0=9F=A4=AA</div><br><=
div class=3D"gmail_quote"><div dir=3D"ltr" class=3D"gmail_attr">On Thu., Fe=
b. 24, 2022, 12:35 p.m. warthodson--- via Healeys, <<a href=3D"mailto:he=
aleys@autox.team.net">healeys@autox.team.net</a>> wrote:<br></div><block=
quote class=3D"gmail_quote" style=3D"margin:0 0 0 .8ex;border-left:1px #ccc=
solid;padding-left:1ex">
<div style=3D"color:black;font:12pt Comic Sans MS,sans-serif">Bob,
<div>If Dynolite does not work, I would try 20W50 motor oil. I have read th=
at it is an excellent heat transfer agent & should also be good for the=
water pump bearings. Also, any leaks in the head gasket might go undetecte=
d!<br>
Your welcome,</div>
<div>Gary Hodson<br>
<br>
<div style=3D"font-family:arial,helvetica;font-size:10pt;color:black"><font=
size=3D"2">-----Original Message-----<br>
From: Bob Spidell <<a href=3D"mailto:bspidell@comcast.net" target=3D"_bl=
ank" rel=3D"noreferrer">bspidell@comcast.net</a>><br>
To: <a href=3D"mailto:healeys@autox.team.net" target=3D"_blank" rel=3D"nore=
ferrer">healeys@autox.team.net</a><br>
Sent: Thu, Feb 24, 2022 10:44 am<br>
Subject: Re: [Healeys] Head Gasket<br>
<br>
<div id=3D"m_3735687418320996649yiv5729995204">
<div>
Which, of course, is the theory of the various 'water wetter'
products. I tried (the original, I think) Water Wetter from Redline
and didn't notice a significant reduction in coolant temp; but, I&#=
39;ve
got a bottle of the Dynolite version on the shelf I'll throw in the
next time I change out coolant. As they say: "Hope springs eternal=
."<br clear=3D"none">
<br clear=3D"none">
<br clear=3D"none">
=20
<div id=3D"m_3735687418320996649yiv5729995204yqtfd50164">
<div>On 2/24/2022 8:30 AM, Michael Salter
wrote:<br clear=3D"none">
</div>
<blockquote type=3D"cite">
</blockquote></div>
</div>
<div id=3D"m_3735687418320996649yiv5729995204yqtfd81372">
<div>
<div>
=20
<div>Interesting article Bob but IMHO their
statement:=C2=A0
=20
<div><span style=3D"font-size:12.8px">"Pressure in a
cooling system is vital for keeping water in contact with
t</span><span style=3D"font-size:12.8px">he metal surfaces
of the cylinder heads and block."</span><br clear=3D"non=
e">
</div>
=20
<div>is something of an over simplification.=C2=A0<span style=3D"font-size:=
12.8px"><br clear=3D"none">
</span></div>
=20
<div>The reality is that any "boiling " of the
coolant produces a "bubble" of gaseous coolant, there=
is no
air, as such, involved.=C2=A0</div>
=20
<div>Their statement :</div>
=20
<div>"Pressure keeps the air compressed and
maintains the water-to-metal contact. "<br clear=3D"none">
</div>
=20
<div>suggests that the cooling system contains air;
it shouldn't contain any air, other perhaps the very small
quantity disolved in the coolant.</div>
=20
<div>Pressurizing the cooling system raises the
boiling point. Raising the boiling point means that the
temperature of the engine surfaces where gaseous coolant
will be generated will also=C2=A0 need to be higher for boiling
to occur.</div>
=20
<div>As the rate of heat radiation from the cooling
surfaces is proportional to the 4th power of the absolute
temperature there is also a considerable increase in the
amount of energy that can be dissipated by the radiator.=C2=A0<=
/div>
=20
<div>These things together make pressuring the
cooling system even to only 7 p.s.i. very advantageous.=C2=A0</=
div>
=20
<div>As I mentioned earlier the problem with the
100 insofar as cooling system pressure is concerned is the
carbon seal in the water pump and perhaps the design of the
radiator tanks.</div>
=20
<div><br clear=3D"none">
</div>
=20
<div>M</div>
=20
<div><br clear=3D"none">
</div>
=20
<div><span style=3D"font-size:12.8px"><br clear=3D"none">
</span></div>
</div>
<br clear=3D"none">
=20
<div>
=20
<div dir=3D"ltr"><br>
</div>
</div>
</div>
</div>
</div>
</div>
</font></div>
</div>
</div>
_______________________________________________<br>
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</blockquote></div>
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