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Chris,
=20
My street TR8 had a heating problem that I discovered was caused by a =
bad gasket at the water pump. The PO had installed a new pump but the =
gasket did not have a hole for the bypass line. It always ran hot and =
coolant would blow past the cap. Also, there were a bunch of pumps made =
overseas that did not even have the bypass hole cast into the pump. =
Maybe you have this situation, too?
Gary
=20
From: Fot [mailto:fot-bounces@autox.team.net] On Behalf Of MadMarx
Sent: Saturday, July 9, 2016 11:07 AM
To: 'Greg Blake'; 'MadMarx'
Cc: 'FOT List'
Subject: Re: [Fot] TR8 Water temperature
=20
The cap is a 23 psi cap.
I have an expansion tank which is plumbed at the sucktion side of the =
lower pump hose and has a 2nd connection at the top of the radiator to =
remove air from the system.
I don=E2=80=99t understand the air flow question. The car has an inlet =
on front, and an airbox around the radiator to force the air through.
=20
=20
Von: Greg Blake [mailto:gblake58tr3@icloud.com]=20
Gesendet: Samstag, 9. Juli 2016 15:49
An: MadMarx <tr4racing@googlemail.com>
Betreff: Re: [Fot] TR8 Water temperature
=20
questions.=20
What pressure are you running?
Do you have a pressurized expansion tank plumed into the system that =
takes water from the back of one of the heads then recirculates to the =
pump?
What kind of air flow are you getting through the radiator?
Sent from my iPhone
On Jul 7, 2016, at 12:20 PM, MadMarx <tr4racing@googlemail.com> wrote:
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
_______________________________________________
fot@autox.team.net
http://www.fot-racing.com
Archive: http://www.team.net/archive
http://autox.team.net/mailman/options/fot/gblake58tr3@icloud.com
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</o:shapelayout></xml><![endif]--></head><body lang=3DEN-US link=3Dblue =
vlink=3Dpurple><div class=3DWordSection1><p class=3DMsoNormal><span =
style=3D'font-size:11.0pt;font-family:"Arial","sans-serif"'>Chris,<o:p></=
o:p></span></p><p class=3DMsoNormal><span =
style=3D'font-size:11.0pt;font-family:"Arial","sans-serif"'><o:p> </=
o:p></span></p><p class=3DMsoNormal><span =
style=3D'font-size:11.0pt;font-family:"Arial","sans-serif"'>My street =
TR8 had a heating problem that I discovered was caused by a bad gasket =
at the water pump.=C2=A0 The PO had installed a new pump but the gasket =
did not have a hole for the bypass line.=C2=A0 It always ran hot and =
coolant would blow past the cap.=C2=A0 Also, there were a bunch of pumps =
made overseas that did not even have the bypass hole cast into the =
pump.=C2=A0 Maybe you have this situation, too?<o:p></o:p></span></p><p =
class=3DMsoNormal><span =
style=3D'font-size:11.0pt;font-family:"Arial","sans-serif"'>Gary<o:p></o:=
p></span></p><p class=3DMsoNormal><span =
style=3D'font-size:11.0pt;font-family:"Arial","sans-serif"'><o:p> </=
o:p></span></p><div><div style=3D'border:none;border-top:solid #B5C4DF =
1.0pt;padding:3.0pt 0in 0in 0in'><p class=3DMsoNormal><b><span =
style=3D'font-size:10.0pt;font-family:"Tahoma","sans-serif"'>From:</span>=
</b><span style=3D'font-size:10.0pt;font-family:"Tahoma","sans-serif"'> =
Fot [mailto:fot-bounces@autox.team.net] <b>On Behalf Of =
</b>MadMarx<br><b>Sent:</b> Saturday, July 9, 2016 11:07 =
AM<br><b>To:</b> 'Greg Blake'; 'MadMarx'<br><b>Cc:</b> 'FOT =
List'<br><b>Subject:</b> Re: [Fot] TR8 Water =
temperature<o:p></o:p></span></p></div></div><p =
class=3DMsoNormal><o:p> </o:p></p><p class=3DMsoNormal><span =
style=3D'font-size:11.0pt;font-family:"Calibri","sans-serif"'>The cap is =
a 23 psi cap.<o:p></o:p></span></p><p class=3DMsoNormal><span =
style=3D'font-size:11.0pt;font-family:"Calibri","sans-serif"'>I have an =
expansion tank which is plumbed at the sucktion side of the lower pump =
hose and has a 2<sup>nd</sup> connection at the top of the radiator to =
remove air from the system.<o:p></o:p></span></p><p =
class=3DMsoNormal><span =
style=3D'font-size:11.0pt;font-family:"Calibri","sans-serif"'>I =
don=E2=80=99t understand the air flow question. The car has an inlet on =
front, and an airbox around the radiator to force the air =
through.<o:p></o:p></span></p><p class=3DMsoNormal><span =
style=3D'font-size:11.0pt;font-family:"Calibri","sans-serif"'><o:p> =
</o:p></span></p><p class=3DMsoNormal><a name=3D"_MailEndCompose"><span =
style=3D'font-size:11.0pt;font-family:"Calibri","sans-serif"'><o:p> =
</o:p></span></a></p><div><div style=3D'border:none;border-top:solid =
#E1E1E1 1.0pt;padding:3.0pt 0in 0in 0in'><p class=3DMsoNormal><b><span =
lang=3DDE =
style=3D'font-size:11.0pt;font-family:"Calibri","sans-serif"'>Von:</span>=
</b><span lang=3DDE =
style=3D'font-size:11.0pt;font-family:"Calibri","sans-serif"'> Greg =
Blake [<a =
href=3D"mailto:gblake58tr3@icloud.com";>mailto:gblake58tr3@icloud.com</a>]=
<br><b>Gesendet:</b> Samstag, 9. Juli 2016 15:49<br><b>An:</b> MadMarx =
<<a =
href=3D"mailto:tr4racing@googlemail.com";>tr4racing@googlemail.com</a>>=
<br><b>Betreff:</b> Re: [Fot] TR8 Water =
temperature<o:p></o:p></span></p></div></div><p class=3DMsoNormal><span =
lang=3DDE><o:p> </o:p></span></p><div><p class=3DMsoNormal><span =
lang=3DDE>questions. <o:p></o:p></span></p></div><div =
id=3DAppleMailSignature><p class=3DMsoNormal><span lang=3DDE>What =
pressure are you running?<o:p></o:p></span></p></div><div =
id=3DAppleMailSignature><p class=3DMsoNormal><span lang=3DDE>Do you have =
a pressurized expansion tank plumed into the system that takes water =
from the back of one of the heads then recirculates to the =
pump?<o:p></o:p></span></p></div><div id=3DAppleMailSignature><p =
class=3DMsoNormal><span lang=3DDE>What kind of air flow are you getting =
through the radiator?<br><br>Sent from my =
iPhone<o:p></o:p></span></p></div><div><p class=3DMsoNormal =
style=3D'margin-bottom:12.0pt'><span lang=3DDE><br>On Jul 7, 2016, at =
12:20 PM, MadMarx <<a =
href=3D"mailto:tr4racing@googlemail.com";>tr4racing@googlemail.com</a>>=
wrote:<o:p></o:p></span></p></div><blockquote =
style=3D'margin-top:5.0pt;margin-bottom:5.0pt'><div><div><div><p =
class=3DMsoNormal><span =
style=3D'font-size:10.0pt;font-family:"Verdana","sans-serif";color:#1F497=
D'>Hi guys,</span><span lang=3DDE><o:p></o:p></span></p><p =
class=3DMsoNormal><span =
style=3D'font-size:10.0pt;font-family:"Verdana","sans-serif";color:#1F497=
D'> </span><span lang=3DDE><o:p></o:p></span></p><p =
class=3DMsoNormal><span =
style=3D'font-size:10.0pt;font-family:"Verdana","sans-serif";color:#1F497=
D'>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>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><span lang=3DDE =
style=3D'font-size:10.0pt;font-family:"Verdana","sans-serif";color:#1F497=
D'>Any ideas? 10 Liters are circulating.</span><span =
lang=3DDE><o:p></o:p></span></p><p class=3DMsoNormal><span lang=3DDE =
style=3D'font-size:10.0pt;font-family:"Verdana","sans-serif";color:#1F497=
D'> </span><span lang=3DDE><o:p></o:p></span></p><p =
class=3DMsoNormal><span lang=3DDE =
style=3D'font-size:10.0pt;font-family:"Verdana","sans-serif";color:#1F497=
D'>Cheers</span><span lang=3DDE><o:p></o:p></span></p><p =
class=3DMsoNormal><span lang=3DDE =
style=3D'font-size:10.0pt;font-family:"Verdana","sans-serif";color:#1F497=
D'>Chris</span><span =
lang=3DDE><o:p></o:p></span></p></div></div></div></blockquote><blockquot=
e style=3D'margin-top:5.0pt;margin-bottom:5.0pt'><div><p =
class=3DMsoNormal style=3D'margin-bottom:12.0pt'><span =
lang=3DDE>_______________________________________________<br><a =
href=3D"mailto:fot@autox.team.net";>fot@autox.team.net</a><br><br><a =
href=3D"http://www.fot-racing.com";>http://www.fot-racing.com</a><br><br>D=
onate: <a =
href=3D"http://www.team.net/donate.html";>http://www.team.net/donate.html<=
/a><br>Archive: <a =
href=3D"http://www.team.net/archive";>http://www.team.net/archive</a><br>F=
orums: <a =
href=3D"http://www.team.net/forums";>http://www.team.net/forums</a><br>Uns=
ubscribe/Manage: <a =
href=3D"http://autox.team.net/mailman/options/fot/gblake58tr3@icloud.com"=
>http://autox.team.net/mailman/options/fot/gblake58tr3@icloud.com</a><o:p=
></o:p></span></p></div></blockquote></div></body></html>
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_______________________________________________
fot@autox.team.net
http://www.fot-racing.com
Archive: http://www.team.net/archive
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