MGB & GT Forum
Running cool
Posted by P.DAVID
Running cool
#1
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Topic Creator (OP)
Aug 28, 2015 07:35 AM
Joined 13 years ago
1,174 Posts
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I took a ride last night at a temperature of about 75 degrees. The temperature gauge was reading on the low side. Gauge is working correctly as it will show an increase as soon as you come to an idle. All fans are working correctly as they come on at the correct temp. I prefer to run a little warmer. Any thought with out partially blocking the radiator?
"Behind every silver lining there is a dark cloud"
"Some mistakes are too much fun to only make once"
“The difference between genius and stupidly is that genius has its limits” Albert Einstein
You don’t get smarter as you get older. There is just less stupid stuff left that you haven’t already done.
I’m at the age where “Should I” turns into “Let’s try it and see what happens”
I am pretty sure my last words are going to be “What does this thing do?”
"Behind every silver lining there is a dark cloud"
"Some mistakes are too much fun to only make once"
“The difference between genius and stupidly is that genius has its limits” Albert Einstein
You don’t get smarter as you get older. There is just less stupid stuff left that you haven’t already done.
I’m at the age where “Should I” turns into “Let’s try it and see what happens”
I am pretty sure my last words are going to be “What does this thing do?”
Aug 28, 2015 07:43 AM
Joined 10 years ago
2,989 Posts
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Maybe it is the time to change the thermostat, yours is probably always open or you have a sleeve in place. In principle the temperature outside should not influence that much the internal temperature of coolant.
1977 MGB Red 'Victoria' and 2018 Jaguar XE 'Meghan'
All Classics:
Married, 2 children, MG MGB May to December, Jaguar the rest of the year.
Edited 1 time(s). Last edit at 2015-08-28 07:45 AM by joron.
1977 MGB Red 'Victoria' and 2018 Jaguar XE 'Meghan'
All Classics:
Married, 2 children, MG MGB May to December, Jaguar the rest of the year.
Edited 1 time(s). Last edit at 2015-08-28 07:45 AM by joron.
Topic Creator (OP)
Aug 28, 2015 07:47 AM
Joined 13 years ago
1,174 Posts
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Thanks. Senior moment, never thought about the thermostat, will check that.
"Behind every silver lining there is a dark cloud"
"Some mistakes are too much fun to only make once"
“The difference between genius and stupidly is that genius has its limits” Albert Einstein
You don’t get smarter as you get older. There is just less stupid stuff left that you haven’t already done.
I’m at the age where “Should I” turns into “Let’s try it and see what happens”
I am pretty sure my last words are going to be “What does this thing do?”
"Behind every silver lining there is a dark cloud"
"Some mistakes are too much fun to only make once"
“The difference between genius and stupidly is that genius has its limits” Albert Einstein
You don’t get smarter as you get older. There is just less stupid stuff left that you haven’t already done.
I’m at the age where “Should I” turns into “Let’s try it and see what happens”
I am pretty sure my last words are going to be “What does this thing do?”
Aug 28, 2015 07:47 AM
Top Contributor
Joined 17 years ago
19,958 Posts
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Fuel is the best coolant in your engine. You may simply be running rich? How's your mileage? The target for an MGB is 24-30 mpg, depending on if you run a Stromberg, DGV, or SUs.
jeff@advanceddistributors.com
jeff@advanceddistributors.com
Ex-Calif
Dan D
Dayton, OH, USA
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1968 MG MGB GT "Bart - Yellow And Naughty"
1977 MG MGB "Red Betty" 2006 Suzuki Grand Vitara "Suzi Q" 2012 Jeep Liberty "Tommy The Tank" |
Aug 28, 2015 08:27 AM
Joined 8 years ago
8,992 Posts
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Thermostat. Dont use a failsafe. Too many bad threads on them.
The goal - Reliable summer driver interspersed with mechanical tinkering...
Motto - "Driving fifty in the twisties..."
On Mods - It's your damn car - Do what you want. Haters gonna hate...
On SUVs - Drive your B like a soccer mom is texting her friends about how she wants to kill you...
Red Betty - http://www.mgexp.com/registry/GHN5UH418165
Bart - http://www.mgexp.com/registry/GHD4U146898G
The goal - Reliable summer driver interspersed with mechanical tinkering...
Motto - "Driving fifty in the twisties..."
On Mods - It's your damn car - Do what you want. Haters gonna hate...
On SUVs - Drive your B like a soccer mom is texting her friends about how she wants to kill you...
Red Betty - http://www.mgexp.com/registry/GHN5UH418165
Bart - http://www.mgexp.com/registry/GHD4U146898G
Topic Creator (OP)
Aug 28, 2015 11:13 AM
Joined 13 years ago
1,174 Posts
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In reply to # 3071628 by B-racer
Fuel is the best coolant in your engine. You may simply be running rich? How's your mileage? The target for an MGB is 24-30 mpg, depending on if you run a Stromberg, DGV, or SUs.
Running SUs and they are right on. Plugs are a beutiful tan.
"Behind every silver lining there is a dark cloud"
"Some mistakes are too much fun to only make once"
“The difference between genius and stupidly is that genius has its limits” Albert Einstein
You don’t get smarter as you get older. There is just less stupid stuff left that you haven’t already done.
I’m at the age where “Should I” turns into “Let’s try it and see what happens”
I am pretty sure my last words are going to be “What does this thing do?”
Aug 28, 2015 12:30 PM
Joined 10 years ago
369 Posts
|
Ex-Calif
Dan D
Dayton, OH, USA
Sign in to contact
1968 MG MGB GT "Bart - Yellow And Naughty"
1977 MG MGB "Red Betty" 2006 Suzuki Grand Vitara "Suzi Q" 2012 Jeep Liberty "Tommy The Tank" |
Aug 28, 2015 12:42 PM
Joined 8 years ago
8,992 Posts
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It's not so much the cool that is an issue it is that the temp is not stable at stop & go vs. open road.
The goal - Reliable summer driver interspersed with mechanical tinkering...
Motto - "Driving fifty in the twisties..."
On Mods - It's your damn car - Do what you want. Haters gonna hate...
On SUVs - Drive your B like a soccer mom is texting her friends about how she wants to kill you...
Red Betty - http://www.mgexp.com/registry/GHN5UH418165
Bart - http://www.mgexp.com/registry/GHD4U146898G
The goal - Reliable summer driver interspersed with mechanical tinkering...
Motto - "Driving fifty in the twisties..."
On Mods - It's your damn car - Do what you want. Haters gonna hate...
On SUVs - Drive your B like a soccer mom is texting her friends about how she wants to kill you...
Red Betty - http://www.mgexp.com/registry/GHN5UH418165
Bart - http://www.mgexp.com/registry/GHD4U146898G
Aug 28, 2015 01:02 PM
Top Contributor
Joined 18 years ago
17,562 Posts
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What rated t'stat are you using. The t'stat sets the MINIMUM normal operating temp. That said, even with the t'stat closed you get some coolant flow thru the bypass.
It may be that a shop or PO installed a 160 or 180 t'stat, that's low for a 79. Check your temp with a infrared thermometer and maybe move to a higher rated one.
It may be that a shop or PO installed a 160 or 180 t'stat, that's low for a 79. Check your temp with a infrared thermometer and maybe move to a higher rated one.
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