Home » Public Forums » GMCnet » Gauges (Trans temp sensor)
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| Re: [GMCnet] Gauges - digi-panel trans sensor [message #324392 is a reply to message #324391] |
Tue, 26 September 2017 11:19   |
Emery Stora
Messages: 959
Registered: January 2011
Karma: 4
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Senior Member |
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Since the in line tells you the temperature after it is cooled I don’t think that tells you much.
The out line, however, will tell you if the transmission is overheating.
Emery Stora
77 Kingsley
Frederick, CO
> On Sep 26, 2017, at 12:03 PM, Pete Smith wrote:
>
> Planning to add digi-panel to my GMC and want to know which trans cooling line is better, in or out. Jim seems to recommend the in line and the
> instruction recommend the out line.
> So which line do most of you use? Any one got video or pictures of installing the panel in general or the sensors in particular.
>
> Pete
>
>
>
>
> jimk wrote on Fri, 14 July 2017 11:59
>> Keep in mind that what is important is to know the temp of the fluid being
>> pumped into the trans.
>> Should you want to monitor the out temp, it will be very high when a load
>> is placed.
>>
>> On Fri, Jul 14, 2017 at 6:46 AM, Larry wrote:
>>
>>> Larry wrote on Fri, 14 July 2017 08:42
>>>> Here is what I did. This pic and the next two tell my story. Been this
>>> way for 13 yrs. No issues.
>>>>
>>>> http://www.gmcmhphotos.com/photos/transmission-install/p3851.html
>>>>
>>>> JWID
>>>
>>> OH, BTW, I put the sensor in the front right corner of the pan because
>>> that is where the most clearance is. Can't pick just any spot. The sensor
>>> will interfere with the valve body, so look carefully before you drill.
>>> --
>>> Larry
>>> 78 Royale w/500 Caddy
>>> Menomonie, WI.
>>>
>>> _______________________________________________
>>> GMCnet mailing list
>>> Unsubscribe or Change List Options:
>>> http://list.gmcnet.org/mailman/listinfo/gmclist_list.gmcnet.org
>>>
>>
>>
>>
>> --
>> Jim Kanomata
>> Applied/GMC, Newark,CA
>> jimk@appliedairfilters.com
>> http://www.appliedgmc.com
>> 1-800-752-7502
>> _______________________________________________
>> GMCnet mailing list
>> Unsubscribe or Change List Options:
>> http://list.gmcnet.org/mailman/listinfo/gmclist_list.gmcnet.org
>
>
> --
> Cary, NC
>
> 1978 Center Kitchen Royale.
>
> _______________________________________________
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| Re: [GMCnet] Gauges - digi-panel trans sensor [message #324401 is a reply to message #324391] |
Tue, 26 September 2017 18:37 |
Ken Henderson
Messages: 8726
Registered: March 2004
Location: Americus, GA
Karma: 9
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Senior Member |
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Pete,
At one time or another, I've monitored In, Out, and In-Pan. They all do
read differently, as you'd expect. Now, I monitor only In-Pan. If you
read the Chevrolet P-30 Chassis Owner's Manual (available at bdub.net),
there's an appendix dedicated to automatic transmissions, including cooler
and filter installation recommendations, and quite a good discussion of ATF
temperatures, including a table of predicted ATF Service Life vs Average
Temperature IN THE PAN. That's enough to satisfy me that the important
temperature is In-Pan.
Ken H.
On Tue, Sep 26, 2017 at 12:03 PM, Pete Smith wrote:
> Planning to add digi-panel to my GMC and want to know which trans cooling
> line is better, in or out. Jim seems to recommend the in line and the
> instruction recommend the out line.
> So which line do most of you use? Any one got video or pictures of
> installing the panel in general or the sensors in particular.
>
> Pete
>
>
>
>
> jimk wrote on Fri, 14 July 2017 11:59
>> Keep in mind that what is important is to know the temp of the fluid
> being
>> pumped into the trans.
>> Should you want to monitor the out temp, it will be very high when a load
>> is placed.
>>
>> On Fri, Jul 14, 2017 at 6:46 AM, Larry wrote:
>>
>>> Larry wrote on Fri, 14 July 2017 08:42
>>>> Here is what I did. This pic and the next two tell my story. Been
> this
>>> way for 13 yrs. No issues.
>>>>
>>>> http://www.gmcmhphotos.com/photos/transmission-install/p3851.html
>>>>
>>>> JWID
>>>
>>> OH, BTW, I put the sensor in the front right corner of the pan because
>>> that is where the most clearance is. Can't pick just any spot. The
> sensor
>>> will interfere with the valve body, so look carefully before you
> drill.
>>> --
>>> Larry
>>> 78 Royale w/500 Caddy
>>> Menomonie, WI.
>>>
>>> _______________________________________________
>>> GMCnet mailing list
>>> Unsubscribe or Change List Options:
>>> http://list.gmcnet.org/mailman/listinfo/gmclist_list.gmcnet.org
>>>
>>
>>
>>
>> --
>> Jim Kanomata
>> Applied/GMC, Newark,CA
>> jimk@appliedairfilters.com
>> http://www.appliedgmc.com
>> 1-800-752-7502
>> _______________________________________________
>> GMCnet mailing list
>> Unsubscribe or Change List Options:
>> http://list.gmcnet.org/mailman/listinfo/gmclist_list.gmcnet.org
>
>
> --
> Cary, NC
>
> 1978 Center Kitchen Royale.
>
> _______________________________________________
> GMCnet mailing list
> Unsubscribe or Change List Options:
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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] Gauges - digi-panel trans sensor [message #324402 is a reply to message #324392] |
Tue, 26 September 2017 20:10 |
jimk
Messages: 6734
Registered: July 2006
Location: Belmont, CA
Karma: 9
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Senior Member |
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Most transmission techs will tell you that what is important is the
temperature of the fluid that is picked up by the transmission and run
through it.
Pan temp is what I recommend.
We have found that the Ragusa Al.pan not only carries more fluid, but the
cooling fins in both inside and outside does very good job of dissipating
the heat.
On Tue, Sep 26, 2017 at 9:19 AM, Emery Stora wrote:
> Since the in line tells you the temperature after it is cooled I don’t
> think that tells you much.
> The out line, however, will tell you if the transmission is overheating.
>
> Emery Stora
> 77 Kingsley
> Frederick, CO
>
>> On Sep 26, 2017, at 12:03 PM, Pete Smith wrote:
>>
>> Planning to add digi-panel to my GMC and want to know which trans
> cooling line is better, in or out. Jim seems to recommend the in line
> and the
>> instruction recommend the out line.
>> So which line do most of you use? Any one got video or pictures of
> installing the panel in general or the sensors in particular.
>>
>> Pete
>>
>>
>>
>>
>> jimk wrote on Fri, 14 July 2017 11:59
>>> Keep in mind that what is important is to know the temp of the fluid
> being
>>> pumped into the trans.
>>> Should you want to monitor the out temp, it will be very high when a
> load
>>> is placed.
>>>
>>> On Fri, Jul 14, 2017 at 6:46 AM, Larry wrote:
>>>
>>>> Larry wrote on Fri, 14 July 2017 08:42
>>>> > Here is what I did. This pic and the next two tell my story. Been
> this
>>>> way for 13 yrs. No issues.
>>>> >
>>>> > http://www.gmcmhphotos.com/photos/transmission-install/p3851.html
>>>> >
>>>> > JWID
>>>>
>>>> OH, BTW, I put the sensor in the front right corner of the pan because
>>>> that is where the most clearance is. Can't pick just any spot. The
> sensor
>>>> will interfere with the valve body, so look carefully before you drill.
>>>> --
>>>> Larry
>>>> 78 Royale w/500 Caddy
>>>> Menomonie, WI.
>>>>
>>>> _______________________________________________
>>>> GMCnet mailing list
>>>> Unsubscribe or Change List Options:
>>>> http://list.gmcnet.org/mailman/listinfo/gmclist_list.gmcnet.org
>>>>
>>>
>>>
>>>
>>> --
>>> Jim Kanomata
>>> Applied/GMC, Newark,CA
>>> jimk@appliedairfilters.com
>>> http://www.appliedgmc.com
>>> 1-800-752-7502
>>> _______________________________________________
>>> GMCnet mailing list
>>> Unsubscribe or Change List Options:
>>> http://list.gmcnet.org/mailman/listinfo/gmclist_list.gmcnet.org
>>
>>
>> --
>> Cary, NC
>>
>> 1978 Center Kitchen Royale.
>>
>> _______________________________________________
>> GMCnet mailing list
>> Unsubscribe or Change List Options:
>> http://list.gmcnet.org/mailman/listinfo/gmclist_list.gmcnet.org
>
>
> _______________________________________________
> GMCnet mailing list
> Unsubscribe or Change List Options:
> http://list.gmcnet.org/mailman/listinfo/gmclist_list.gmcnet.org
>
--
Jim Kanomata
Applied/GMC, Newark,CA
jimk@appliedairfilters.com
http://www.appliedgmc.com
1-800-752-7502
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Jim Kanomata
Applied/GMC
jimk@appliedairfilters.com
www.appliedgmc.com
1-800-752-7502
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| Re: [GMCnet] Gauges - digi-panel trans sensor [message #324403 is a reply to message #324391] |
Tue, 26 September 2017 20:18 |
emerystora
Messages: 4442
Registered: January 2004
Karma: 13
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Senior Member |
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I agree with Jim on this. My Mac dash has a separate transmission gauge which has a probe in my Ragusa pan that tell the oil temp in the pan.
By the way, my Ragusa pan has never weeped fluid.
Emery Stora
> On Sep 26, 2017, at 9:10 PM, Jim Kanomata wrote:
>
> Most transmission techs will tell you that what is important is the
> temperature of the fluid that is picked up by the transmission and run
> through it.
> Pan temp is what I recommend.
> We have found that the Ragusa Al.pan not only carries more fluid, but the
> cooling fins in both inside and outside does very good job of dissipating
> the heat.
>
>
>> On Tue, Sep 26, 2017 at 9:19 AM, Emery Stora wrote:
>>
>> Since the in line tells you the temperature after it is cooled I don’t
>> think that tells you much.
>> The out line, however, will tell you if the transmission is overheating.
>>
>> Emery Stora
>> 77 Kingsley
>> Frederick, CO
>>
>>> On Sep 26, 2017, at 12:03 PM, Pete Smith wrote:
>>>
>>> Planning to add digi-panel to my GMC and want to know which trans
>> cooling line is better, in or out. Jim seems to recommend the in line
>> and the
>>> instruction recommend the out line.
>>> So which line do most of you use? Any one got video or pictures of
>> installing the panel in general or the sensors in particular.
>>>
>>> Pete
>>>
>>>
>>>
>>>
>>> jimk wrote on Fri, 14 July 2017 11:59
>>>> Keep in mind that what is important is to know the temp of the fluid
>> being
>>>> pumped into the trans.
>>>> Should you want to monitor the out temp, it will be very high when a
>> load
>>>> is placed.
>>>>
>>>> > On Fri, Jul 14, 2017 at 6:46 AM, Larry wrote:
>>>> >
>>>> > Larry wrote on Fri, 14 July 2017 08:42
>>>> >> Here is what I did. This pic and the next two tell my story. Been
>> this
>>>> > way for 13 yrs. No issues.
>>>> >>
>>>> >> http://www.gmcmhphotos.com/photos/transmission-install/p3851.html
>>>> >>
>>>> >> JWID
>>>> >
>>>> > OH, BTW, I put the sensor in the front right corner of the pan because
>>>> > that is where the most clearance is. Can't pick just any spot. The
>> sensor
>>>> > will interfere with the valve body, so look carefully before you drill.
>>>> > --
>>>> > Larry
>>>> > 78 Royale w/500 Caddy
>>>> > Menomonie, WI.
>>>> >
>>>> > _______________________________________________
>>>> > GMCnet mailing list
>>>> > Unsubscribe or Change List Options:
>>>> > http://list.gmcnet.org/mailman/listinfo/gmclist_list.gmcnet.org
>>>> >
>>>>
>>>>
>>>>
>>>> --
>>>> Jim Kanomata
>>>> Applied/GMC, Newark,CA
>>>> jimk@appliedairfilters.com
>>>> http://www.appliedgmc.com
>>>> 1-800-752-7502
>>>> _______________________________________________
>>>> GMCnet mailing list
>>>> Unsubscribe or Change List Options:
>>>> http://list.gmcnet.org/mailman/listinfo/gmclist_list.gmcnet.org
>>>
>>>
>>> --
>>> Cary, NC
>>>
>>> 1978 Center Kitchen Royale.
>>>
>>> _______________________________________________
>>> GMCnet mailing list
>>> Unsubscribe or Change List Options:
>>> http://list.gmcnet.org/mailman/listinfo/gmclist_list.gmcnet.org
>>
>>
>> _______________________________________________
>> GMCnet mailing list
>> Unsubscribe or Change List Options:
>> http://list.gmcnet.org/mailman/listinfo/gmclist_list.gmcnet.org
>>
>
>
>
> --
> Jim Kanomata
> Applied/GMC, Newark,CA
> jimk@appliedairfilters.com
> http://www.appliedgmc.com
> 1-800-752-7502
> _______________________________________________
> GMCnet mailing list
> Unsubscribe or Change List Options:
> http://list.gmcnet.org/mailman/listinfo/gmclist_list.gmcnet.org
_______________________________________________
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| Re: [GMCnet] Gauges - digi-panel trans sensor [message #324407 is a reply to message #324405] |
Tue, 26 September 2017 23:06 |
jimk
Messages: 6734
Registered: July 2006
Location: Belmont, CA
Karma: 9
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Senior Member |
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DigiPanel are the easiest gages to attach without needing any adapters. The
feature that customers love the warning buzz when the danger levels are
almost reached.
Few had a leaking oil hose and lost oil pressure and the buzzer went off at
5-15 psi and they shut off the engine befor any damage was done.
On Tue, Sep 26, 2017 at 7:45 PM, Pete Smith wrote:
> Well I have a Ragusa pan on mine thanks to a PO, it doesn't have any
> obvious leaks either, can I simply place the sensor under one of the
> mounting
> bolts?
>
>
> Pete
> --
> Cary, NC
>
> 1978 Center Kitchen Royale.
>
> _______________________________________________
> GMCnet mailing list
> Unsubscribe or Change List Options:
> http://list.gmcnet.org/mailman/listinfo/gmclist_list.gmcnet.org
>
--
Jim Kanomata
Applied/GMC, Newark,CA
jimk@appliedairfilters.com
http://www.appliedgmc.com
1-800-752-7502
_______________________________________________
GMCnet mailing list
Unsubscribe or Change List Options:
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Jim Kanomata
Applied/GMC
jimk@appliedairfilters.com
www.appliedgmc.com
1-800-752-7502
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| Re: [GMCnet] Gauges - digi-panel trans sensor [message #324412 is a reply to message #324407] |
Wed, 27 September 2017 06:28 |
 |
USAussie
Messages: 15912
Registered: July 2007
Location: Sydney, Australia
Karma: 6
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Senior Member |
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Jim,
The "standad" Digi-Panel must use the oem oil pressure sender, Art manufactured a unit that used a separate (stand alone) oil
pressure sender.
Can you have one like that made?
Regards,
Rob M.
The Pedantic Mechanic
Sydney, Australia
AUS '75 Avion - The Blue Streak TZE365V100428
USA '75 Avion - Double Trouble TZE365V100426
USA '77 Kingsley - TZE 267V100808
-----Original Message-----
From: Gmclist [mailto:gmclist-bounces@list.gmcnet.org] On Behalf Of Jim Kanomata
Sent: Tuesday, September 26, 2017 11:07 PM
To: gmclist@list.gmcnet.org
Subject: Re: [GMCnet] Gauges - digi-panel trans sensor
DigiPanel are the easiest gages to attach without needing any adapters. The feature that customers love the most is the warning buzz
when the danger levels are almost reached. Few had a leaking oil hose and lost oil pressure and the buzzer went off at 5-15 psi and
they shut off the engine befor any damage was done.
Jim Kanomata
Applied/GMC, Newark,CA
jimk@appliedairfilters.com
http://www.appliedgmc.com
1-800-752-7502
_______________________________________________
GMCnet mailing list
Unsubscribe or Change List Options:
http://list.gmcnet.org/mailman/listinfo/gmclist_list.gmcnet.org
Regards,
Rob M. (USAussie)
The Pedantic Mechanic
Sydney, Australia
'75 Avion - AUS - The Blue Streak TZE365V100428
'75 Avion - USA - Double Trouble TZE365V100426
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| Re: [GMCnet] Gauges - digi-panel trans sensor [message #324425 is a reply to message #324412] |
Wed, 27 September 2017 22:55 |
jimk
Messages: 6734
Registered: July 2006
Location: Belmont, CA
Karma: 9
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Senior Member |
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As long as we can supply the sensor so we can be sure the value of the
sensor matches for accuracy.
There will be additional labor charge around $ 35 labor plus sensor.
On Wed, Sep 27, 2017 at 4:28 AM, Rob Mueller
wrote:
> Jim,
>
> The "standad" Digi-Panel must use the oem oil pressure sender, Art
> manufactured a unit that used a separate (stand alone) oil
> pressure sender.
>
> Can you have one like that made?
>
> Regards,
> Rob M.
> The Pedantic Mechanic
> Sydney, Australia
> AUS '75 Avion - The Blue Streak TZE365V100428
> USA '75 Avion - Double Trouble TZE365V100426
> USA '77 Kingsley - TZE 267V100808
>
>
> -----Original Message-----
> From: Gmclist [mailto:gmclist-bounces@list.gmcnet.org] On Behalf Of Jim
> Kanomata
> Sent: Tuesday, September 26, 2017 11:07 PM
> To: gmclist@list.gmcnet.org
> Subject: Re: [GMCnet] Gauges - digi-panel trans sensor
>
> DigiPanel are the easiest gages to attach without needing any adapters.
> The feature that customers love the most is the warning buzz
> when the danger levels are almost reached. Few had a leaking oil hose and
> lost oil pressure and the buzzer went off at 5-15 psi and
> they shut off the engine befor any damage was done.
>
> Jim Kanomata
> Applied/GMC, Newark,CA
> jimk@appliedairfilters.com
> http://www.appliedgmc.com
> 1-800-752-7502
>
>
> _______________________________________________
> GMCnet mailing list
> Unsubscribe or Change List Options:
> http://list.gmcnet.org/mailman/listinfo/gmclist_list.gmcnet.org
>
--
Jim Kanomata
Applied/GMC, Newark,CA
jimk@appliedairfilters.com
http://www.appliedgmc.com
1-800-752-7502
_______________________________________________
GMCnet mailing list
Unsubscribe or Change List Options:
http://list.gmcnet.org/mailman/listinfo/gmclist_list.gmcnet.org
Jim Kanomata
Applied/GMC
jimk@appliedairfilters.com
www.appliedgmc.com
1-800-752-7502
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| Re: [GMCnet] Gauges - digi-panel trans sensor [message #324426 is a reply to message #324425] |
Thu, 28 September 2017 05:59 |
|
USAussie
Messages: 15912
Registered: July 2007
Location: Sydney, Australia
Karma: 6
|
Senior Member |
|
|
Jim,
Thanks!
I will contact you off net with shipping and payment details.
Regards,
Rob M.
The Pedantic Mechanic
Sydney, Australia
AUS '75 Avion - The Blue Streak TZE365V100428
USA '75 Avion - Double Trouble TZE365V100426
USA '77 Kingsley - TZE 267V100808
-----Original Message-----
From: Gmclist [mailto:gmclist-bounces@list.gmcnet.org] On Behalf Of Jim Kanomata
Sent: Wednesday, September 27, 2017 10:56 PM
To: gmclist@list.gmcnet.org
Subject: Re: [GMCnet] Gauges - digi-panel trans sensor
As long as we can supply the sensor so we can be sure the value of the
sensor matches for accuracy.
There will be additional labor charge around $ 35 labor plus sensor.
On Wed, Sep 27, 2017 at 4:28 AM, Rob Mueller
wrote:
> Jim,
>
> The "standad" Digi-Panel must use the oem oil pressure sender, Art
> manufactured a unit that used a separate (stand alone) oil
> pressure sender.
>
> Can you have one like that made?
>
> Regards,
> Rob
>
Jim Kanomata
Applied/GMC, Newark,CA
jimk@appliedairfilters.com
http://www.appliedgmc.com
1-800-752-7502
_______________________________________________
GMCnet mailing list
Unsubscribe or Change List Options:
http://list.gmcnet.org/mailman/listinfo/gmclist_list.gmcnet.org
Regards,
Rob M. (USAussie)
The Pedantic Mechanic
Sydney, Australia
'75 Avion - AUS - The Blue Streak TZE365V100428
'75 Avion - USA - Double Trouble TZE365V100426
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| Re: [GMCnet] Gauges - digi-panel trans sensor [message #324437 is a reply to message #324412] |
Thu, 28 September 2017 19:48 |
 |
thesmith
Messages: 589
Registered: February 2015
Location: Cary, NC
Karma: 6
|
Senior Member |
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What's the advantage in doing it that way?
Pete
USAussie wrote on Wed, 27 September 2017 07:28Jim,
The "standad" Digi-Panel must use the oem oil pressure sender, Art manufactured a unit that used a separate (stand alone) oil
pressure sender.
Can you have one like that made?
Regards,
Rob M.
The Pedantic Mechanic
Sydney, Australia
AUS '75 Avion - The Blue Streak TZE365V100428
USA '75 Avion - Double Trouble TZE365V100426
USA '77 Kingsley - TZE 267V100808
-----Original Message-----
From: Gmclist [mailto:gmclist-bounces@list.gmcnet.org] On Behalf Of Jim Kanomata
Sent: Tuesday, September 26, 2017 11:07 PM
To: gmclist@list.gmcnet.org
Subject: Re: [GMCnet] Gauges - digi-panel trans sensor
DigiPanel are the easiest gages to attach without needing any adapters. The feature that customers love the most is the warning buzz
when the danger levels are almost reached. Few had a leaking oil hose and lost oil pressure and the buzzer went off at 5-15 psi and
they shut off the engine befor any damage was done.
Jim Kanomata
Applied/GMC, Newark,CA
jimk@appliedairfilters.com
http://www.appliedgmc.com
1-800-752-7502
_______________________________________________
GMCnet mailing list
Unsubscribe or Change List Options:
http://list.gmcnet.org/mailman/listinfo/gmclist_list.gmcnet.org
Cary, NC
1978 Center Kitchen Royale.
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| Re: [GMCnet] Gauges [message #324443 is a reply to message #324439] |
Fri, 29 September 2017 05:23 |
|
USAussie
Messages: 15912
Registered: July 2007
Location: Sydney, Australia
Karma: 6
|
Senior Member |
|
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Bruce,
Thanks!
Found it: https://www.mcmaster.com/#50785k222/=19lbwcd
Regards,
Rob M.
The Pedantic Mechanic
Sydney, Australia
AUS '75 Avion - The Blue Streak TZE365V100428
USA '75 Avion - Double Trouble TZE365V100426
USA '77 Kingsley - TZE 267V100808
-----Original Message-----
From: Gmclist [mailto:gmclist-bounces@list.gmcnet.org] On Behalf Of Bruce Hislop
Sent: Thursday, September 28, 2017 8:55 PM
To: gmclist@list.gmcnet.org
Subject: Re: [GMCnet] Gauges
Rob,
FYI, I found a single fitting that allowed 2 oil pressure gauges to be mounted in the same place on my 455.
http://www.gmcmhphotos.com/photos/misc/p63220-mounting-dual-oil-pressure-sendors.html
here is the fitting itself:
http://www.gmcmhphotos.com/photos/misc/p63221-mounting-dual-oil-pressure-sendors.html
Bruce Hislop
_______________________________________________
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Regards,
Rob M. (USAussie)
The Pedantic Mechanic
Sydney, Australia
'75 Avion - AUS - The Blue Streak TZE365V100428
'75 Avion - USA - Double Trouble TZE365V100426
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| Re: [GMCnet] Gauges [message #324444 is a reply to message #324443] |
Fri, 29 September 2017 09:36 |
Richard Denney
Messages: 920
Registered: April 2010
Karma: 9
|
Senior Member |
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I seems to recall issues of fatigue failures caused by heavy senders
threaded into brass tee fittings in a high-vibration environment.
Considering the consequences of such, I built my tee using high-pressure
steel fittings, which are forged and strong. They are also available at
McMaster-Carr.
I have one connection to a tube compression fitting that goes to my
mechanical gauge, and the other for a cutoff switch for the electric fuel
pump. I wouldn't be afraid to stack another tee for an idiot light sender,
but it would be just as easy to wire the warning light to the fuel pump
wire using a relay to reverse the voltage.
Rick "who has an Equus digital gauge but has never installed it" Denney
On Fri, Sep 29, 2017 at 6:24 AM Rob Mueller wrote:
> Bruce,
>
> Thanks!
>
> Found it: https://www.mcmaster.com/#50785k222/=19lbwcd
>
> Regards,
> Rob M.
> The Pedantic Mechanic
> Sydney, Australia
> AUS '75 Avion - The Blue Streak TZE365V100428
> USA '75 Avion - Double Trouble TZE365V100426
> USA '77 Kingsley - TZE 267V100808
>
>
> -----Original Message-----
> From: Gmclist [mailto:gmclist-bounces@list.gmcnet.org] On Behalf Of Bruce
> Hislop
> Sent: Thursday, September 28, 2017 8:55 PM
> To: gmclist@list.gmcnet.org
> Subject: Re: [GMCnet] Gauges
>
> Rob,
> FYI, I found a single fitting that allowed 2 oil pressure gauges to be
> mounted in the same place on my 455.
>
>
> http://www.gmcmhphotos.com/photos/misc/p63220-mounting-dual-oil-pressure-sendors.html
>
> here is the fitting itself:
>
> http://www.gmcmhphotos.com/photos/misc/p63221-mounting-dual-oil-pressure-sendors.html
>
> Bruce Hislop
>
>
> _______________________________________________
> GMCnet mailing list
> Unsubscribe or Change List Options:
> http://list.gmcnet.org/mailman/listinfo/gmclist_list.gmcnet.org
>
--
Rick Denney
73 x-Glacier 230 "Jaws"
Off-list email to rick at rickdenney dot com
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| Re: [GMCnet] Gauges [message #324454 is a reply to message #324444] |
Fri, 29 September 2017 17:01 |
|
USAussie
Messages: 15912
Registered: July 2007
Location: Sydney, Australia
Karma: 6
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Senior Member |
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Rick,
IIRC the failures were because a long nipple used below the "t" to connect to the engine block. Plus the nipple came from China and
the wall thickness was minimal.
Unfortunately the McMaster Carr drawing of the run tee does not show the wall thickness.
https://www.mcmaster.com/#50785k222/=19lbwcd
I too purchased high pressure SS fittings from McMaster Carr for The Blue Streak to connect a separate oil pressure sender.
Regards,
Rob M.
The Pedantic Mechanic
Sydney, Australia
AUS '75 Avion - The Blue Streak TZE365V100428
USA '75 Avion - Double Trouble TZE365V100426
USA '77 Kingsley - TZE 267V100808
-----Original Message-----
From: Gmclist [mailto:gmclist-bounces@list.gmcnet.org] On Behalf Of Richard Denney
Sent: Friday, September 29, 2017 9:36 AM
To: gmclist@list.gmcnet.org
Subject: Re: [GMCnet] Gauges
I seems to recall issues of fatigue failures caused by heavy senders
threaded into brass tee fittings in a high-vibration environment.
Considering the consequences of such, I built my tee using high-pressure
steel fittings, which are forged and strong. They are also available at
McMaster-Carr.
I have one connection to a tube compression fitting that goes to my
mechanical gauge, and the other for a cutoff switch for the electric fuel
pump. I wouldn't be afraid to stack another tee for an idiot light sender,
but it would be just as easy to wire the warning light to the fuel pump
wire using a relay to reverse the voltage.
Rick "who has an Equus digital gauge but has never installed it" Denney
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Regards,
Rob M. (USAussie)
The Pedantic Mechanic
Sydney, Australia
'75 Avion - AUS - The Blue Streak TZE365V100428
'75 Avion - USA - Double Trouble TZE365V100426
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| Re: [GMCnet] Gauges [message #324464 is a reply to message #324444] |
Sat, 30 September 2017 09:55 |
midlf
Messages: 2212
Registered: July 2007
Location: SE Wisc. (Palmyra)
Karma: 1
|
Senior Member |
|
|
Richard Denney wrote on Fri, 29 September 2017 09:36
Rick "who has an Equus digital gauge but has never installed it" Denned
I have an Equius installed. I like it's features. However it has two shortcomings that kill it's good features. It has an alarm function that lights a LED. The LED is not bright enough for use in a GMC and there is no audible warning. The display is too dim and very difficult to see, day or night.
As for mounting senders on the engine block I had the fuel system pressure switch, OEM sender, Equis sender, and an idiot light pressure switch. A high pressure flex line connects the engine to a manifold with all these items.
Steve Southworth
1974 Glacier TZE064V100150 (for workin on)
1975 Transmode TZE365V100394 (parts & spares)
Palmyra WI
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| Re: [GMCnet] Gauges [message #324465 is a reply to message #324454] |
Sat, 30 September 2017 09:51 |
GMC.LES
Messages: 505
Registered: April 2014
Karma: -2
|
Senior Member |
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Rob,
You indicated a preference for mechanical "wet" gauges due to their superior accuracy. I have to agree on accuracy, but they are not necessarily the best choice for continuous automotive use.
The tubing required to connect a mechanical pressure gauge introduces several failure points. I've seen my fair share of broken/leaking tubes/hoses/gauges over the years. Failures due to chafing, flex fatigue, loose ferrule nuts, présure pulsations, yetc. Some of the leaks went un-noticed long enough to cause damage. For this reason, I prefer quality electronic gauges where feasible.
Les Burt
Montreal
'75 Eleganza 26'
> On Sep 29, 2017, at 6:01 PM, Rob Mueller wrote:
>
> Rick,
>
> IIRC the failures were because a long nipple used below the "t" to connect to the engine block. Plus the nipple came from China and
> the wall thickness was minimal.
>
> Unfortunately the McMaster Carr drawing of the run tee does not show the wall thickness.
>
> https://www.mcmaster.com/#50785k222/=19lbwcd
>
> I too purchased high pressure SS fittings from McMaster Carr for The Blue Streak to connect a separate oil pressure sender.
>
> Regards,
> Rob M.
> The Pedantic Mechanic
> Sydney, Australia
> AUS '75 Avion - The Blue Streak TZE365V100428
> USA '75 Avion - Double Trouble TZE365V100426
> USA '77 Kingsley - TZE 267V100808
>
>
> -----Original Message-----
> From: Gmclist [mailto:gmclist-bounces@list.gmcnet.org] On Behalf Of Richard Denney
> Sent: Friday, September 29, 2017 9:36 AM
> To: gmclist@list.gmcnet.org
> Subject: Re: [GMCnet] Gauges
>
> I seems to recall issues of fatigue failures caused by heavy senders
> threaded into brass tee fittings in a high-vibration environment.
> Considering the consequences of such, I built my tee using high-pressure
> steel fittings, which are forged and strong. They are also available at
> McMaster-Carr.
>
> I have one connection to a tube compression fitting that goes to my
> mechanical gauge, and the other for a cutoff switch for the electric fuel
> pump. I wouldn't be afraid to stack another tee for an idiot light sender,
> but it would be just as easy to wire the warning light to the fuel pump
> wire using a relay to reverse the voltage.
>
> Rick "who has an Equus digital gauge but has never installed it" Denney
>
>
>
> _______________________________________________
> GMCnet mailing list
> Unsubscribe or Change List Options:
> http://list.gmcnet.org/mailman/listinfo/gmclist_list.gmcnet.org
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| Re: [GMCnet] Gauges [message #324466 is a reply to message #324465] |
Sat, 30 September 2017 10:35 |
Richard Denney
Messages: 920
Registered: April 2010
Karma: 9
|
Senior Member |
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|
Les, installation quality counts. I only use copper tubing (not plastic)
with plenty of room to move to relieve stress and absorb vibration. I have
had leaks twice in over 40 years of owning at least one vehicle with a
mechanical oil pressure gauge. The first was in a '74 GMC pickup with a
"Rocket" 250, and the previous owner had stretched the tubing tight so that
engine motion pulled a force vector right along the tubing. That was a
fatigue failure. The other was this year, when I installed the compression
ring in the copper tubing backwards when I put in the new engine--just a
bonehead mistake. It dripped but not much quantity escaped, and it was easy
to fix.
I also only use quality gauges. I have Autometer gauges in the coach--and
not their budget models. I've never had any of the better Autometer gauges
leak.
But I sure have read about lots of faulty electronic oil-pressure senders,
and those can hide fatal problems, too. I would use a mechanical oil
pressure gauge even if I had to replace the tubing every 10k miles to
prevent fatigue, but I have never had to do that. The kits to do it are on
the shelf at Autozone. I certainly don't mind a supplemental warning light
that runs on an electronic sender.
The one wet gauge I would never consider is for fuel pressure (not that I
feel much need to have a permanent fuel pressure gauge). But I have
mechanical oil pressure, coolant temperature, vacuum, and air system
pressure gauges.
Rick "who uses quality mechanical gauges so he can trust what they say"
Denney
On Sat, Sep 30, 2017 at 10:51 AM Les Burt wrote:
> Rob,
> You indicated a preference for mechanical "wet" gauges due to their
> superior accuracy. I have to agree on accuracy, but they are not
> necessarily the best choice for continuous automotive use.
>
> The tubing required to connect a mechanical pressure gauge introduces
> several failure points. I've seen my fair share of broken/leaking
> tubes/hoses/gauges over the years. Failures due to chafing, flex fatigue,
> loose ferrule nuts, présure pulsations, yetc. Some of the leaks went
> un-noticed long enough to cause damage. For this reason, I prefer quality
> electronic gauges where feasible.
>
>
> Les Burt
> Montreal
> '75 Eleganza 26'
>
>
>
> --
Rick Denney
73 x-Glacier 230 "Jaws"
Off-list email to rick at rickdenney dot com
_______________________________________________
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