That is where your engine and cooling system balance out or where the
engine 'likes' to run....

My CJ7 is the same and no cold t-stat is going to change that.

Mike

Nathan Otis wrote:
>
> I was a little concerned for the first week... Then I realized it just never
> moves! (within reason, you understand... I'm sure the needle isn't broken
> :-)
> n.
>
> "dave" <x1236@charter.netREMOVETHIS> wrote in message
> news:tRukc.14336384$Id.2378974@news.easynews.com.. .
> > yup. that was going to be my next question. my 03 rubi is running at
> > 210..had me concerned till I read this excellent thread.
> >
> > daveZ
> >
> > "Nathan Otis" <na@spam.smeat.net> wrote in message
> > news:2clkc.679$t63.55682@news.uswest.net...
> > > I know I'm arriving late to this party, but my Rubi, and indeed all
> 2003+
> > > TJs run at 210. No matter if I'm cruisin' on the highway, stuck in
> > traffic,
> > > or runnin' AC on the trail (for shame!)
> > > n.
> > >
> > > "Shaggie" <travist34@snotmail.com> wrote in message
> > > news:c6ruuf$fn8su$1@ID-163201.news.uni-berlin.de...
> > > > Mike Romain <romainm@sympatico.ca> wrote in
> > > > news:40917B1B.1DE010AA@sympatico.ca:
> > > >
> > > > > Too much of a good thing isn't sometimes...
> > > > >
> > > > > The t-stat is a metered hole designed to match the needs of the
> > > > > engine. When you take it out, you make too big a hole so the fluid
> > > > > speeds up. This means it doesn't stay in the rad long enough to cool
> > > > > down.
> > > > >
> > > > > You can put a restricter in if you take the t-stat out.
> > > > >
> > > > > Some folks try a colder t-stat and extra fans to make them run
> cooler
> > > > > although I don't think it works well if at all.
> > > > >
> > > > > A colder street engine isn't any more efficient or anything. The
> best
> > > > > mileage is had with a warmed up engine.
> > > > >
> > > > > Mike
> > > >
> > > > What is considered to be a good operating temperature for my engine?
> > > > Anyone? '76 304. Running at about 210 right now. That too high?
> > > > What's a good range? Thank you.
> > > >
> > > > --
> > > >
> > > > I can hammer it back into shape later...
> > > > :wq!
> > >
> > >
> >
> >

 

That is where your engine and cooling system balance out or where the
engine 'likes' to run....

My CJ7 is the same and no cold t-stat is going to change that.

Mike

Nathan Otis wrote:
>
> I was a little concerned for the first week... Then I realized it just never
> moves! (within reason, you understand... I'm sure the needle isn't broken
> :-)
> n.
>
> "dave" <x1236@charter.netREMOVETHIS> wrote in message
> news:tRukc.14336384$Id.2378974@news.easynews.com.. .
> > yup. that was going to be my next question. my 03 rubi is running at
> > 210..had me concerned till I read this excellent thread.
> >
> > daveZ
> >
> > "Nathan Otis" <na@spam.smeat.net> wrote in message
> > news:2clkc.679$t63.55682@news.uswest.net...
> > > I know I'm arriving late to this party, but my Rubi, and indeed all
> 2003+
> > > TJs run at 210. No matter if I'm cruisin' on the highway, stuck in
> > traffic,
> > > or runnin' AC on the trail (for shame!)
> > > n.
> > >
> > > "Shaggie" <travist34@snotmail.com> wrote in message
> > > news:c6ruuf$fn8su$1@ID-163201.news.uni-berlin.de...
> > > > Mike Romain <romainm@sympatico.ca> wrote in
> > > > news:40917B1B.1DE010AA@sympatico.ca:
> > > >
> > > > > Too much of a good thing isn't sometimes...
> > > > >
> > > > > The t-stat is a metered hole designed to match the needs of the
> > > > > engine. When you take it out, you make too big a hole so the fluid
> > > > > speeds up. This means it doesn't stay in the rad long enough to cool
> > > > > down.
> > > > >
> > > > > You can put a restricter in if you take the t-stat out.
> > > > >
> > > > > Some folks try a colder t-stat and extra fans to make them run
> cooler
> > > > > although I don't think it works well if at all.
> > > > >
> > > > > A colder street engine isn't any more efficient or anything. The
> best
> > > > > mileage is had with a warmed up engine.
> > > > >
> > > > > Mike
> > > >
> > > > What is considered to be a good operating temperature for my engine?
> > > > Anyone? '76 304. Running at about 210 right now. That too high?
> > > > What's a good range? Thank you.
> > > >
> > > > --
> > > >
> > > > I can hammer it back into shape later...
> > > > :wq!
> > >
> > >
> >
> >

 

That is where your engine and cooling system balance out or where the
engine 'likes' to run....

My CJ7 is the same and no cold t-stat is going to change that.

Mike

Nathan Otis wrote:
>
> I was a little concerned for the first week... Then I realized it just never
> moves! (within reason, you understand... I'm sure the needle isn't broken
> :-)
> n.
>
> "dave" <x1236@charter.netREMOVETHIS> wrote in message
> news:tRukc.14336384$Id.2378974@news.easynews.com.. .
> > yup. that was going to be my next question. my 03 rubi is running at
> > 210..had me concerned till I read this excellent thread.
> >
> > daveZ
> >
> > "Nathan Otis" <na@spam.smeat.net> wrote in message
> > news:2clkc.679$t63.55682@news.uswest.net...
> > > I know I'm arriving late to this party, but my Rubi, and indeed all
> 2003+
> > > TJs run at 210. No matter if I'm cruisin' on the highway, stuck in
> > traffic,
> > > or runnin' AC on the trail (for shame!)
> > > n.
> > >
> > > "Shaggie" <travist34@snotmail.com> wrote in message
> > > news:c6ruuf$fn8su$1@ID-163201.news.uni-berlin.de...
> > > > Mike Romain <romainm@sympatico.ca> wrote in
> > > > news:40917B1B.1DE010AA@sympatico.ca:
> > > >
> > > > > Too much of a good thing isn't sometimes...
> > > > >
> > > > > The t-stat is a metered hole designed to match the needs of the
> > > > > engine. When you take it out, you make too big a hole so the fluid
> > > > > speeds up. This means it doesn't stay in the rad long enough to cool
> > > > > down.
> > > > >
> > > > > You can put a restricter in if you take the t-stat out.
> > > > >
> > > > > Some folks try a colder t-stat and extra fans to make them run
> cooler
> > > > > although I don't think it works well if at all.
> > > > >
> > > > > A colder street engine isn't any more efficient or anything. The
> best
> > > > > mileage is had with a warmed up engine.
> > > > >
> > > > > Mike
> > > >
> > > > What is considered to be a good operating temperature for my engine?
> > > > Anyone? '76 304. Running at about 210 right now. That too high?
> > > > What's a good range? Thank you.
> > > >
> > > > --
> > > >
> > > > I can hammer it back into shape later...
> > > > :wq!
> > >
> > >
> >
> >

 

"Mike Romain" <romainm@sympatico.ca> wrote in message
news:4092536B.C2B4FDC5@sympatico.ca...
: Cherokee-LTD wrote:
: >
: > "Shaggie" <travist34@snotmail.com> wrote in message
: > news:c6rt9u$f8k1h$2@ID-163201.news.uni-berlin.de...
: > : Shaggie <travist34@snotmail.com> wrote in news:c6rpnv$ff063$1@ID-
: > : 163201.news.uni-berlin.de:
: > :
: > : >
: > : >>:
: > : >> Bring a lower t-stat and some tools with you as well.
: > : >> -Brian
: > :
: > : Brian, why did you say that? Mike says the thermostat only is
relevant
: > : during the warmup period of the engine.
: > :
: > : --
: >
: > I respectfully disagree with Mike. The t-stat is a metering valve just
like
: > adjusting the tap on your garden hose. A cooler t-stat slows the flow
and
: > allows your rad enough time to cool it's capacity.
: >
: > Your original post didn't mention your operating temperature - just that
it
: > was hotter than before. My recommendation for a cooler t-stat addresses
a
: > faulty t-stat (sticking open) and compensating for the changes you made
for
: > your fuel delivery system.... all for about $5.00.
: >
: > If you're running 210, you're fine. If you see it creeping above 225
keep a
: > close eye on it. If you see prolonged 230+ you may have 'issues'.
: >
: > -Brian
:
: A 160 t-stat and a 195 t-stat are physically the same size. When fully
: open they both allow the same flow.
:
: When the engine internally reaches 160, the first one opens. When the
: engine internally hits 195, the second one opens.
:
: Once the engine has passed this 160 or 195 degree mark, the thermostat
: never budges from wide open.
:
: Take a TJ for instance. No matter what t-stat you put in it, it 'will'
: run at 210 degrees. It just warms up faster with the hotter t-stat.
:
: This means in the winter when the fan can supercool the rad, you will
: only see 160 degree water in the heater core and will freeze your butt
: off with the cold t-stat. With the 195, you will have heat inside the
: vehicle.
:
: Thermostats are only for the low temperature control, not for top end
: heat.
:

Mike,

I disagreed with your original post "The thermostat is only for the warm up
time, it has no bearing once heated up." because it didn't take into
consideration the modifications to the engine and possibility that it
requires a lower base line for proper cooling. When you swap in a new intake
and carb, you are significantly changing heat dissipation, fuel mixture and
performance. From the original post there was no indication of how hot it
was running, if the current t-stat was working properly, if in fact he had
replaced it when he swapped the intake or when the 'hotter than normal'
situation was occurring (highway/city/trail).

When I read the post "Running a couple of degrees warmer than I'd like" and
"The plan is to take it out on some trails tomorrow after playing with the
air/fuel ratio and see how it does", I think carrying a lower t-stat was not
bad or costly advice.

-Brian

 

"Mike Romain" <romainm@sympatico.ca> wrote in message
news:4092536B.C2B4FDC5@sympatico.ca...
: Cherokee-LTD wrote:
: >
: > "Shaggie" <travist34@snotmail.com> wrote in message
: > news:c6rt9u$f8k1h$2@ID-163201.news.uni-berlin.de...
: > : Shaggie <travist34@snotmail.com> wrote in news:c6rpnv$ff063$1@ID-
: > : 163201.news.uni-berlin.de:
: > :
: > : >
: > : >>:
: > : >> Bring a lower t-stat and some tools with you as well.
: > : >> -Brian
: > :
: > : Brian, why did you say that? Mike says the thermostat only is
relevant
: > : during the warmup period of the engine.
: > :
: > : --
: >
: > I respectfully disagree with Mike. The t-stat is a metering valve just
like
: > adjusting the tap on your garden hose. A cooler t-stat slows the flow
and
: > allows your rad enough time to cool it's capacity.
: >
: > Your original post didn't mention your operating temperature - just that
it
: > was hotter than before. My recommendation for a cooler t-stat addresses
a
: > faulty t-stat (sticking open) and compensating for the changes you made
for
: > your fuel delivery system.... all for about $5.00.
: >
: > If you're running 210, you're fine. If you see it creeping above 225
keep a
: > close eye on it. If you see prolonged 230+ you may have 'issues'.
: >
: > -Brian
:
: A 160 t-stat and a 195 t-stat are physically the same size. When fully
: open they both allow the same flow.
:
: When the engine internally reaches 160, the first one opens. When the
: engine internally hits 195, the second one opens.
:
: Once the engine has passed this 160 or 195 degree mark, the thermostat
: never budges from wide open.
:
: Take a TJ for instance. No matter what t-stat you put in it, it 'will'
: run at 210 degrees. It just warms up faster with the hotter t-stat.
:
: This means in the winter when the fan can supercool the rad, you will
: only see 160 degree water in the heater core and will freeze your butt
: off with the cold t-stat. With the 195, you will have heat inside the
: vehicle.
:
: Thermostats are only for the low temperature control, not for top end
: heat.
:

Mike,

I disagreed with your original post "The thermostat is only for the warm up
time, it has no bearing once heated up." because it didn't take into
consideration the modifications to the engine and possibility that it
requires a lower base line for proper cooling. When you swap in a new intake
and carb, you are significantly changing heat dissipation, fuel mixture and
performance. From the original post there was no indication of how hot it
was running, if the current t-stat was working properly, if in fact he had
replaced it when he swapped the intake or when the 'hotter than normal'
situation was occurring (highway/city/trail).

When I read the post "Running a couple of degrees warmer than I'd like" and
"The plan is to take it out on some trails tomorrow after playing with the
air/fuel ratio and see how it does", I think carrying a lower t-stat was not
bad or costly advice.

-Brian

 

"Mike Romain" <romainm@sympatico.ca> wrote in message
news:4092536B.C2B4FDC5@sympatico.ca...
: Cherokee-LTD wrote:
: >
: > "Shaggie" <travist34@snotmail.com> wrote in message
: > news:c6rt9u$f8k1h$2@ID-163201.news.uni-berlin.de...
: > : Shaggie <travist34@snotmail.com> wrote in news:c6rpnv$ff063$1@ID-
: > : 163201.news.uni-berlin.de:
: > :
: > : >
: > : >>:
: > : >> Bring a lower t-stat and some tools with you as well.
: > : >> -Brian
: > :
: > : Brian, why did you say that? Mike says the thermostat only is
relevant
: > : during the warmup period of the engine.
: > :
: > : --
: >
: > I respectfully disagree with Mike. The t-stat is a metering valve just
like
: > adjusting the tap on your garden hose. A cooler t-stat slows the flow
and
: > allows your rad enough time to cool it's capacity.
: >
: > Your original post didn't mention your operating temperature - just that
it
: > was hotter than before. My recommendation for a cooler t-stat addresses
a
: > faulty t-stat (sticking open) and compensating for the changes you made
for
: > your fuel delivery system.... all for about $5.00.
: >
: > If you're running 210, you're fine. If you see it creeping above 225
keep a
: > close eye on it. If you see prolonged 230+ you may have 'issues'.
: >
: > -Brian
:
: A 160 t-stat and a 195 t-stat are physically the same size. When fully
: open they both allow the same flow.
:
: When the engine internally reaches 160, the first one opens. When the
: engine internally hits 195, the second one opens.
:
: Once the engine has passed this 160 or 195 degree mark, the thermostat
: never budges from wide open.
:
: Take a TJ for instance. No matter what t-stat you put in it, it 'will'
: run at 210 degrees. It just warms up faster with the hotter t-stat.
:
: This means in the winter when the fan can supercool the rad, you will
: only see 160 degree water in the heater core and will freeze your butt
: off with the cold t-stat. With the 195, you will have heat inside the
: vehicle.
:
: Thermostats are only for the low temperature control, not for top end
: heat.
:

Mike,

I disagreed with your original post "The thermostat is only for the warm up
time, it has no bearing once heated up." because it didn't take into
consideration the modifications to the engine and possibility that it
requires a lower base line for proper cooling. When you swap in a new intake
and carb, you are significantly changing heat dissipation, fuel mixture and
performance. From the original post there was no indication of how hot it
was running, if the current t-stat was working properly, if in fact he had
replaced it when he swapped the intake or when the 'hotter than normal'
situation was occurring (highway/city/trail).

When I read the post "Running a couple of degrees warmer than I'd like" and
"The plan is to take it out on some trails tomorrow after playing with the
air/fuel ratio and see how it does", I think carrying a lower t-stat was not
bad or costly advice.

-Brian

 

"Mike Romain" <romainm@sympatico.ca> wrote in message
news:4092536B.C2B4FDC5@sympatico.ca...
: Cherokee-LTD wrote:
: >
: > "Shaggie" <travist34@snotmail.com> wrote in message
: > news:c6rt9u$f8k1h$2@ID-163201.news.uni-berlin.de...
: > : Shaggie <travist34@snotmail.com> wrote in news:c6rpnv$ff063$1@ID-
: > : 163201.news.uni-berlin.de:
: > :
: > : >
: > : >>:
: > : >> Bring a lower t-stat and some tools with you as well.
: > : >> -Brian
: > :
: > : Brian, why did you say that? Mike says the thermostat only is
relevant
: > : during the warmup period of the engine.
: > :
: > : --
: >
: > I respectfully disagree with Mike. The t-stat is a metering valve just
like
: > adjusting the tap on your garden hose. A cooler t-stat slows the flow
and
: > allows your rad enough time to cool it's capacity.
: >
: > Your original post didn't mention your operating temperature - just that
it
: > was hotter than before. My recommendation for a cooler t-stat addresses
a
: > faulty t-stat (sticking open) and compensating for the changes you made
for
: > your fuel delivery system.... all for about $5.00.
: >
: > If you're running 210, you're fine. If you see it creeping above 225
keep a
: > close eye on it. If you see prolonged 230+ you may have 'issues'.
: >
: > -Brian
:
: A 160 t-stat and a 195 t-stat are physically the same size. When fully
: open they both allow the same flow.
:
: When the engine internally reaches 160, the first one opens. When the
: engine internally hits 195, the second one opens.
:
: Once the engine has passed this 160 or 195 degree mark, the thermostat
: never budges from wide open.
:
: Take a TJ for instance. No matter what t-stat you put in it, it 'will'
: run at 210 degrees. It just warms up faster with the hotter t-stat.
:
: This means in the winter when the fan can supercool the rad, you will
: only see 160 degree water in the heater core and will freeze your butt
: off with the cold t-stat. With the 195, you will have heat inside the
: vehicle.
:
: Thermostats are only for the low temperature control, not for top end
: heat.
:

Mike,

I disagreed with your original post "The thermostat is only for the warm up
time, it has no bearing once heated up." because it didn't take into
consideration the modifications to the engine and possibility that it
requires a lower base line for proper cooling. When you swap in a new intake
and carb, you are significantly changing heat dissipation, fuel mixture and
performance. From the original post there was no indication of how hot it
was running, if the current t-stat was working properly, if in fact he had
replaced it when he swapped the intake or when the 'hotter than normal'
situation was occurring (highway/city/trail).

When I read the post "Running a couple of degrees warmer than I'd like" and
"The plan is to take it out on some trails tomorrow after playing with the
air/fuel ratio and see how it does", I think carrying a lower t-stat was not
bad or costly advice.

-Brian

 

"J. Painter" <painter@eclipse.net> wrote in message
news:bc525a41.0404300619.6e7bd085@posting.google.c om...
: Brian:
:
: Mike is actually correct.


The original post made no mention of the current operating temperature or
the t-stat temperature. Shaggie installed a new intake and carb. I am only
to assume he replaced the t-stat (as I would have) in which case he might
have installed a hotter t-stat. I never suggested that the t-stat controlled
the maximum operating temperature.

As the thread unfolds, we find out that Shaggie did indeed install a new
t-stat.

I disagreed with Mike's original post suggesting the t-stat was only
relevant during warm up. His subsequent posts were absolutely correct.

Here's a thought... Shaggie replaced his 195? t-stat with a 210 hence
running a little warmer than he's used to. Was I wrong to suggest a lower
t-stat?

Not in my mind.

-Brian

 

"J. Painter" <painter@eclipse.net> wrote in message
news:bc525a41.0404300619.6e7bd085@posting.google.c om...
: Brian:
:
: Mike is actually correct.


The original post made no mention of the current operating temperature or
the t-stat temperature. Shaggie installed a new intake and carb. I am only
to assume he replaced the t-stat (as I would have) in which case he might
have installed a hotter t-stat. I never suggested that the t-stat controlled
the maximum operating temperature.

As the thread unfolds, we find out that Shaggie did indeed install a new
t-stat.

I disagreed with Mike's original post suggesting the t-stat was only
relevant during warm up. His subsequent posts were absolutely correct.

Here's a thought... Shaggie replaced his 195? t-stat with a 210 hence
running a little warmer than he's used to. Was I wrong to suggest a lower
t-stat?

Not in my mind.

-Brian

 

"J. Painter" <painter@eclipse.net> wrote in message
news:bc525a41.0404300619.6e7bd085@posting.google.c om...
: Brian:
:
: Mike is actually correct.


The original post made no mention of the current operating temperature or
the t-stat temperature. Shaggie installed a new intake and carb. I am only
to assume he replaced the t-stat (as I would have) in which case he might
have installed a hotter t-stat. I never suggested that the t-stat controlled
the maximum operating temperature.

As the thread unfolds, we find out that Shaggie did indeed install a new
t-stat.

I disagreed with Mike's original post suggesting the t-stat was only
relevant during warm up. His subsequent posts were absolutely correct.

Here's a thought... Shaggie replaced his 195? t-stat with a 210 hence
running a little warmer than he's used to. Was I wrong to suggest a lower
t-stat?

Not in my mind.

-Brian