--===============8843362129641476228==
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Chris,
212F at idle? That=E2=80=99s interesting. I=E2=80=99ll start with the =
usual questions:=20
1) What is the temperature you recorded at the radiator inlet? (Having =
observed this, I assume you have already confirmed that the gauge is =
reading correctly.)
2) Is the radiator clean, inside and out?
3) Have you confirmed that there is not an air bubble trapped in the =
system?
4) Temperature at idle remains this high even with the cooling fan =
blowing? If so, is the fan blowing the right direction?
I don=E2=80=99t know whether the following applies to the Rover motor =
you=E2=80=99ve got, but some Morgan owners with Triumph motors have =
found that the impeller of their new water pump is improperly placed on =
its shaft so that there is a large gap between the impeller and the =
housing, causing it to be very inefficient. One guy measured 0.075=E2=80=9D=
end clearance, which he was able to reduce to 0.015=E2=80=9D by use of =
a spacer.
=20
Duncan Charlton
Elgin, Texas USA
> On Jul 7, 2016, at 12:20 PM, MadMarx <tr4racing@googlemail.com> wrote:
>=20
> Hi guys,
> =20
> My TR8 is running way too hot about 212F at full speed and at idle the =
temps are getting that high also. I have no idea to get them down.
> Radiator core is 68x48cm x 5 cm. I suppose that should be enough. I've =
experiment with different restrictor plates with no change. Changing =
pump speed didn't help either. The difference between radiator in and =
outlet is 10=C2=B0C (50F). Not enough I would say. Maybe making the pump =
more slower? It was running on a ratio of 0.8 slower than crank, =
currently 1:1 speed. Any ideas? 10 Liters are circulating.
> =20
> Cheers
> Chris
> _______________________________________________
>=20
> http://www.fot-racing.com <http://www.fot-racing.com/>
>=20
> Donate: http://www.team.net/donate.html =
<http://www.team.net/donate.html>
> Archive: http://www.team.net/archive <http://www.team.net/archive>
> Forums: http://www.team.net/forums <http://www.team.net/forums>
> Unsubscribe/Manage: =
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<html><head><meta http-equiv=3D"Content-Type" content=3D"text/html =
charset=3Dutf-8"></head><body style=3D"word-wrap: break-word; =
-webkit-nbsp-mode: space; -webkit-line-break: after-white-space;" =
class=3D"">Chris,<div class=3D""><br class=3D""><div class=3D"">212F at =
idle? That=E2=80=99s interesting. I=E2=80=99ll start with =
the usual questions: </div><div class=3D""><br class=3D""></div><div =
class=3D"">1) What is the temperature you recorded at the radiator =
inlet? (Having observed this, I assume you have already confirmed =
that the gauge is reading correctly.)</div><div class=3D""><br =
class=3D""></div><div class=3D"">2) Is the radiator clean, inside and =
out?</div><div class=3D""><br class=3D""></div><div class=3D"">3) Have =
you confirmed that there is not an air bubble trapped in the =
system?</div><div class=3D""><br class=3D""></div><div class=3D"">4) =
Temperature at idle remains this high even with the cooling fan blowing? =
If so, is the fan blowing the right direction?</div><div =
class=3D""><br class=3D""></div><div class=3D"">I don=E2=80=99t know =
whether the following applies to the Rover motor you=E2=80=99ve got, but =
some Morgan owners with Triumph motors have found that the impeller of =
their new water pump is improperly placed on its shaft so that there is =
a large gap between the impeller and the housing, causing it to be very =
inefficient. One guy measured 0.075=E2=80=9D end clearance, which =
he was able to reduce to 0.015=E2=80=9D by use of a spacer.</div><div =
class=3D""> <br class=3D""><div class=3D"">
<div class=3D"">Duncan Charlton</div><div class=3D"">Elgin, Texas =
USA</div><div class=3D""><br class=3D""></div><br =
class=3D"Apple-interchange-newline">
</div>
<br class=3D""><div><blockquote type=3D"cite" class=3D""><div =
class=3D"">On Jul 7, 2016, at 12:20 PM, MadMarx <<a =
href=3D"mailto:tr4racing@googlemail.com"; =
class=3D"">tr4racing@googlemail.com</a>> wrote:</div><br =
class=3D"Apple-interchange-newline"><div class=3D""><div =
class=3D"WordSection1" style=3D"page: WordSection1; font-family: =
Helvetica; font-size: 12px; font-style: normal; font-variant-caps: =
normal; font-weight: normal; letter-spacing: normal; orphans: auto; =
text-align: start; text-indent: 0px; text-transform: none; white-space: =
normal; widows: auto; word-spacing: 0px; -webkit-text-stroke-width: =
0px;"><div class=3D""><div class=3D""><div style=3D"margin: 0cm 0cm =
0.0001pt; font-size: 12pt; font-family: 'Times New Roman', serif;" =
class=3D""><span lang=3D"EN-US" style=3D"font-size: 10pt; font-family: =
Verdana, sans-serif; color: rgb(31, 73, 125);" class=3D"">Hi guys,<o:p =
class=3D""></o:p></span></div><div style=3D"margin: 0cm 0cm 0.0001pt; =
font-size: 12pt; font-family: 'Times New Roman', serif;" class=3D""><span =
lang=3D"EN-US" style=3D"font-size: 10pt; font-family: Verdana, =
sans-serif; color: rgb(31, 73, 125);" class=3D""><o:p =
class=3D""> </o:p></span></div><div style=3D"margin: 0cm 0cm =
0.0001pt; font-size: 12pt; font-family: 'Times New Roman', serif;" =
class=3D""><span lang=3D"EN-US" style=3D"font-size: 10pt; font-family: =
Verdana, sans-serif; color: rgb(31, 73, 125);" class=3D"">My TR8 is =
running way too hot about 212F at full speed and at idle the temps are =
getting that high also. I have no idea to get them down.<br =
class=3D"">Radiator core is 68x48cm x 5 cm. I suppose that should be =
enough. I've experiment with different restrictor plates with no change. =
Changing pump speed didn't help either. The difference between radiator =
in and outlet is 10=C2=B0C (50F). Not enough I would say. Maybe making =
the pump more slower? It was running on a ratio of 0.8 slower than =
crank, currently 1:1 speed.<span =
class=3D"Apple-converted-space"> </span></span><span =
style=3D"font-size: 10pt; font-family: Verdana, sans-serif; color: =
rgb(31, 73, 125);" class=3D"">Any ideas? 10 Liters are circulating.<o:p =
class=3D""></o:p></span></div><div style=3D"margin: 0cm 0cm 0.0001pt; =
font-size: 12pt; font-family: 'Times New Roman', serif;" class=3D""><span =
style=3D"font-size: 10pt; font-family: Verdana, sans-serif; color: =
rgb(31, 73, 125);" class=3D""><o:p =
class=3D""> </o:p></span></div><div style=3D"margin: 0cm 0cm =
0.0001pt; font-size: 12pt; font-family: 'Times New Roman', serif;" =
class=3D""><span style=3D"font-size: 10pt; font-family: Verdana, =
sans-serif; color: rgb(31, 73, 125);" class=3D"">Cheers<o:p =
class=3D""></o:p></span></div><div style=3D"margin: 0cm 0cm 0.0001pt; =
font-size: 12pt; font-family: 'Times New Roman', serif;" class=3D""><span =
style=3D"font-size: 10pt; font-family: Verdana, sans-serif; color: =
rgb(31, 73, 125);" class=3D"">Chris<o:p =
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!important;" =
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