Home » Public Forums » GMCnet » Engine Temp - normal
| Engine Temp - normal [message #128844] |
Mon, 06 June 2011 05:06  |
Rickmo
Messages: 105
Registered: January 2011
Location: Gladwin, Michigan
Karma: 0
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Got the new motor in and running great. I installed a cheap set of sunpro gauges - Volt,temp,oil pressure? Running around last night and the engine temp was around 190. Checked the block temp with an IR gun and got 180. Are these temps normal?
Rick Seebeck
Gladwin Michigan
1973 Canyon Lands
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| Re: [GMCnet] Engine Temp - normal [message #128847 is a reply to message #128844] |
Mon, 06 June 2011 07:26  |
Ken Henderson
Messages: 8726
Registered: March 2004
Location: Americus, GA
Karma: 9
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Rick,
That seems like a quick turnaround. Congratulations.
Those temps sound great to me.
How did you do the R&R? Bit by Bit, or All in One? Photos?
I'm sure lots of folks, now and in the future, would like to hear
details of the job.
Ken H.
On Mon, Jun 6, 2011 at 6:06 AM, Rick <mrseebeck@gcsnet.org> wrote:
>
>
> Got the new motor in and running great. I installed a cheap set of sunpro gauges - Volt,temp,oil pressure? Running around last night and the engine temp was around 190. Checked the block temp with an IR gun and got 180. Are these temps normal?
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Ken Henderson
Americus, GA
www.gmcwipersetc.com
Large Wiring Diagrams
76 X-Birchaven
76 X-Palm Beach
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| Re: [GMCnet] Engine Temp - normal [message #128848 is a reply to message #128844] |
Mon, 06 June 2011 07:27 |
powerjon
Messages: 2446
Registered: January 2004
Karma: 5
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Senior Member |
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Rick,
What thermostat do you have in the coach? It appears to be a 190
which is ok, many have run the 180 thermostat. The temp of the
coolant indicated by the sender and the surface temp of the block will
always vary depending on where you are taking the surface temp, they
will almost never be the same. 190 is a great temp for the coolant
temp.
JR Wright
GMC GreatLaker
TZE Zone Restorations
78 Buskirk 30' Stretch
1975 Avion (Under Reconstruction)
Michigan
On Jun 6, 2011, at 6:06 AM, Rick wrote:
>
>
> Got the new motor in and running great. I installed a cheap set of
> sunpro gauges - Volt,temp,oil pressure? Running around last night
> and the engine temp was around 190. Checked the block temp with an
> IR gun and got 180. Are these temps normal?
>
>
> --
> Rick Seebeck
> Gladwin Michigan
> 1973 Canyon Lands
> _______________________________________________
> GMCnet mailing list
> Unsubscribe or Change List Options:
> http://temp.gmcnet.org/cgi-bin/mailman/listinfo/gmclist
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J.R. Wright
GMC GreatLaker
GMC Eastern States
GMCMI
78 30' Buskirk Stretch
75 Avion Under Reconstruction
Michigan
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| Re: [GMCnet] Engine Temp - normal [message #128872 is a reply to message #128856] |
Mon, 06 June 2011 08:32 |
James Hupy
Messages: 6806
Registered: May 2010
Karma: -62
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Senior Member |
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Engine running sitting in the driveway is not the acid test. At speed with
the normal loads that you carry is the real test. The temps that you
reported sound pretty normal to me, but that can change when you are flowing
a lot more air/fuel mix through the engine with a load on it.
There is some cockeyed logic to the statement that more gages means that
much more stuff to worry about. A lot to be said for idiot lights. They tell
you when something is seriously out of whack, and don't continously nag you.
Come to think of it, that is kinda what a guy should be thankful for if his
wife is like.<Grin>
Jim Hupy
Salem, OR
78 GMC Royale 403
On Mon, Jun 6, 2011 at 6:05 AM, Matt Colie <mcolie@chartermi.net> wrote:
>
>
> Rickmo wrote on Mon, 06 June 2011 06:06
> > Got the new motor in and running great. I installed a cheap set of
> sunpro gauges - Volt,temp,oil pressure? Running around last night and the
> engine temp was around 190. Checked the block temp with an IR gun and got
> 180. Are these temps normal?
>
> Good Going Rick
>
> Yes, but one of the places you should check next time you have the engine
> hot is the thermostat housing. You do not say where you picked to check the
> block temperature. The lower front of a block will be close to the same as
> the radiator outlet.
>
> Compare the coolant in/out temperatures to make the most sense of what is
> going on.
>
> Matt
> --
> Matt & Mary Colie
> '73 Glacier 23 Chaumiere (say show-me-air)
> SE Michigan - Twixt A2 and Detroit
> _______________________________________________
> GMCnet mailing list
> Unsubscribe or Change List Options:
> http://temp.gmcnet.org/cgi-bin/mailman/listinfo/gmclist
>
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| Re: [GMCnet] Engine Temp - normal [message #128884 is a reply to message #128847] |
Mon, 06 June 2011 09:20 |
Cliff Pike
Messages: 5
Registered: October 2010
Karma: 0
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Junior Member |
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Just out of interest, what are you seeing for oil pressure at idle?
Cliff Pike
Guelph, Ontario
73 Transmode
60 Triumph TR3A towd
> From: hend4800@bellsouth.net
> Date: Mon, 6 Jun 2011 08:26:34 -0400
> To: gmclist@temp.gmcnet.org
> Subject: Re: [GMCnet] Engine Temp - normal
>
> Rick,
>
> That seems like a quick turnaround. Congratulations.
>
> Those temps sound great to me.
>
> How did you do the R&R? Bit by Bit, or All in One? Photos?
>
> I'm sure lots of folks, now and in the future, would like to hear
> details of the job.
>
> Ken H.
>
>
> On Mon, Jun 6, 2011 at 6:06 AM, Rick <mrseebeck@gcsnet.org> wrote:
> >
> >
> > Got the new motor in and running great. I installed a cheap set of sunpro gauges - Volt,temp,oil pressure? Running around last night and the engine temp was around 190. Checked the block temp with an IR gun and got 180. Are these temps normal?
> _______________________________________________
> GMCnet mailing list
> Unsubscribe or Change List Options:
> http://temp.gmcnet.org/cgi-bin/mailman/listinfo/gmclist
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| Re: Engine Temp - normal [message #128931 is a reply to message #128844] |
Mon, 06 June 2011 14:50 |
Rickmo
Messages: 105
Registered: January 2011
Location: Gladwin, Michigan
Karma: 0
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Senior Member |
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Getting about 30 pounds of oil pressure at idle using the purple break in oil. Should be a little higher with regular oil. I did the engine out in two days and in in three. Running down the road today with an outside temp of 84 degrees, I am running at near 200 degrees. I am going to say good to go unless anyone thinks this is too hot... My engine builder says that it will run hot for a while because the tolerances are tight.
Rick Seebeck
Gladwin Michigan
1973 Canyon Lands
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| Re: [GMCnet] Engine Temp - normal [message #128958 is a reply to message #128872] |
Mon, 06 June 2011 18:07 |
jhbridges
Messages: 8412
Registered: May 2011
Location: Braselton ga
Karma: -74
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Senior Member |
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Me for the setup in my Caravan - guages for trend, and an alarm light/bonger if anything gets seriously of normal.
--johnny
--- On Mon, 6/6/11, James Hupy <jamesh1296@gmail.com> wrote:
From: James Hupy <jamesh1296@gmail.com>
Subject: Re: [GMCnet] Engine Temp - normal
To: gmclist@temp.gmcnet.org
Date: Monday, June 6, 2011, 1:32 PM
Engine running sitting in the driveway is not the acid test. At speed with
the normal loads that you carry is the real test. The temps that you
reported sound pretty normal to me, but that can change when you are flowing
a lot more air/fuel mix through the engine with a load on it.
There is some cockeyed logic to the statement that more gages means that
much more stuff to worry about. A lot to be said for idiot lights. They tell
you when something is seriously out of whack, and don't continously nag you.
Come to think of it, that is kinda what a guy should be thankful for if his
wife is like.<Grin>
Jim Hupy
Salem, OR
78 GMC Royale 403
On Mon, Jun 6, 2011 at 6:05 AM, Matt Colie <mcolie@chartermi.net> wrote:
>
>
> Rickmo wrote on Mon, 06 June 2011 06:06
> > Got the new motor in and running great. I installed a cheap set of
> sunpro gauges - Volt,temp,oil pressure? Running around last night and the
> engine temp was around 190. Checked the block temp with an IR gun and got
> 180. Are these temps normal?
>
> Good Going Rick
>
> Yes, but one of the places you should check next time you have the engine
> hot is the thermostat housing. You do not say where you picked to check the
> block temperature. The lower front of a block will be close to the same as
> the radiator outlet.
>
> Compare the coolant in/out temperatures to make the most sense of what is
> going on.
>
> Matt
> --
> Matt & Mary Colie
> '73 Glacier 23 Chaumiere (say show-me-air)
> SE Michigan - Twixt A2 and Detroit
> _______________________________________________
> GMCnet mailing list
> Unsubscribe or Change List Options:
> http://temp.gmcnet.org/cgi-bin/mailman/listinfo/gmclist
>
_______________________________________________
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Foolish Carriage, 76 26' Eleganza(?) with beaucoup mods and add - ons.
Braselton, Ga.
I forgive them all, save those who hurt the dogs. They must answer to me in hell
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| Re: [GMCnet] Engine Temp - normal [message #129002 is a reply to message #128987] |
Mon, 06 June 2011 21:50 |
James Hupy
Messages: 6806
Registered: May 2010
Karma: -62
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Senior Member |
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Book says hot idle oil pressure is OK at 5psi, and hot running at 35 psi. If
you are better than that, probably OK. What you should pay attention to is a
drastic change in pressure running at steady speed with the engine fully
warmed up.
Jim Hupy
Salem, OR
78 GMC Royale 403
On Mon, Jun 6, 2011 at 7:16 PM, Richard Denney <rwdenney@gmail.com> wrote:
> On Mon, Jun 6, 2011 at 3:50 PM, Rick <mrseebeck@gcsnet.org> wrote:
>
> >
> > Getting about 30 pounds of oil pressure at idle using the purple break in
> > oil. Should be a little higher with regular oil. I did the engine out
> in
> > two days and in in three. Running down the road today with an outside
> temp
> > of 84 degrees, I am running at near 200 degrees. I am going to say good
> to
> > go unless anyone thinks this is too hot... My engine builder says that
> it
> > will run hot for a while because the tolerances are tight.
> >
> >
> Nothing wrong with those numbers. My coach also wanders in temperature
> between 180 and 200, at which time the fan clutch kicks in and it
> immediately drops back down to 180. My cooling system is tip-top, but the
> engine is a 100K senior, and it's tolerances are surely not tight. My oil
> pressure when the engine is really warmed up on a hot day (and this takes a
> while) is 18-20 at idle and 35 at highway cruise. When the oil is not fully
> warmed up, it's much higher. But at its lowest it significantlty exceeds my
> minimum requirement of 10 psi per 1000 rpms.
>
> Rick "what's important is oil--lots of it--getting to the bearings" Denney
>
> --
> '73 230 "Jaws"
> Northern Virginia
> _______________________________________________
> GMCnet mailing list
> Unsubscribe or Change List Options:
> http://temp.gmcnet.org/cgi-bin/mailman/listinfo/gmclist
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