Home » Public Forums » GMCnet » [GMCnet] The stock temp gauge doesn't really tell you your operating temps. Why that's a problem
[GMCnet] Free Radiatior internal camera inspection, with radiator/cap pressure test. [message #327724 is a reply to message #327704] |
Wed, 03 January 2018 19:28 |
BobDunahugh
Messages: 2465 Registered: October 2010 Location: Cedar Rapids, IA
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Senior Member |
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Subject line more appropriate.
Looking into doing this at the GMCMI Tucson Rally. If this works well. Maybe this could be added to future GMCMI rallies, and regional club rallies. I think this is a bigger problem then thought.
I had mentioned this to Kim this morning. We're not taking anything big apart. Drain fluids onto a pan. Do the camera inspection. Pressure test radiator, and cap. Put the antifreeze back in. There's just nothing to dispose of. If owners want to change their antifreeze at the same time. They can bring new antifreeze and distilled water. Then put that used antifreeze into those then empty containers. Thus nothing to dispose of at the rally site. I can find a place to recycle in the area as needed. Alex might be there to fix steering issue. There have also been weigh ins, headlight alignments, and many other tech sessions to make your GMC safer.
This internet site is a fantastic GMC info site. And I think that's it's major intention. Be very nice if GMCMI rallies with it's tech sessions, and regional club with their tech sessions be listed here at times. We're near the 6 Wheelers. If their rallies were mentioned here. Linda, and I would more then likely go. Any input? Bob Dunahugh
Pete. That's a good idea. The owner could just bring new antifreeze. Flush, and then put the new antifreeze in. Have to find out what's the best way to dispose the old antifreeze there. We'd also have to have a pre event registration list to know what to be prepared for. Bob Dunahugh
Mike K. Thanks. I think this is more of a problem then is generally thought. I pull higher GVW's more then most. And never had any add on items installed on our 403 GMC. Radiator inspections on attendees GMC's. Might make for a good tech session at the GMCMI rally in Tucson. Line them up, and start checking with my inspection camera. Drain pan, funnel, and the camera. At a cost of FREE. Good idea, or not. Any input out there? Bob Dunahugh
Our first 78 Royale came with a Digi panel. I knew my engine temps under all conditions. Then the fire. Bought another 78 Royale. But the Digi panel wasn't being made at that time. Both GMC stock temp gauges read the same. But it didn't take long before I had a feeling that this second Royale was running hotter. No boil overs. Just didn't feel right. So on our next trip. I raise the engine cover several times to check the engine temp sender with an inferred temp reader. Found that this Royale was generally operating about 10 degrees hotter with the stock gauge reading in the normal range as compared to our first GMC. Jim at Applied GMC had started producing the Digi panel. And had them at the GMCMI rally that we were going too. Installed the Digi panel at the rally. On the way home the panel also confirmed what I thought. So why the running hotter? Checked the thermostat. It was a good operating 180. But I changed to a proper 195. Fan clutch? Maybe. Well Jim K at Applied started selling a fan clutch that is controlled by engine block sensors. I liked the idea that this system is more proactive in controlling engine heat buildup. Plus I can turn the clutch on for the fan by a dash mounted switch when I want. So I bought that fan clutch at the GMCMI rally. I had recently put on an aluminum 307 Olds intake manifold. So I knew the engine was clean inside. Did the engine have a car water pump? Don't know. But even if there's a car pump. That's not the real big problem. Next I drained the radiator. Put my inspection camera in the radiator. Radiator's my problem. Looked heavily corroded at the crossover tubes. Going to put the radiator from the burned GMC in soon. Probably check/change water pump anyway while I'm doing other work in that area. Installing more gauges to look at isn't the best idea in my opinion. One. I want to be looking at the road for safe driving. Two. The Digi panel has gages. But it's audible alarm is your best engine/trans protection.
Bob Dunahugh 78 Royale
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[GMCnet] The stock temp gauge doesn't really tell you your operating temps. Why that's a problem
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Re: [GMCnet] The stock temp gauge doesn't really tell you your operating temps. Why that's a problem
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Re: [GMCnet] The stock temp gauge doesn't really tell you your operating temps. Why that's a problem
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Re: [GMCnet] The stock temp gauge doesn't really tell you your operating temps. Why that's a problem
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Re: [GMCnet] The stock temp gauge doesn't really tell you your operating temps. Why that's a problem
By: thesmith on Tue, 02 January 2018 20:15
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Re: [GMCnet] The stock temp gauge doesn't really tell you your operating temps. Why that's a problem
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Re: [GMCnet] The stock temp gauge doesn't really tell you your operating temps. Why that's a problem
By: Keith V on Wed, 03 January 2018 09:45
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Re: [GMCnet] The stock temp gauge doesn't really tell you your operating temps. Why that's a problem
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Re: [GMCnet] The stock temp gauge doesn't really tell you your operating temps. Why that's a problem
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Re: [GMCnet] The stock temp gauge doesn't really tell you your operating temps. Why that's a problem
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Re: [GMCnet] The stock temp gauge doesn't really tell you your operating temps. Why that's a problem
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Re: [GMCnet] The stock temp gauge doesn't really tell you your operating temps. Why that's a problem
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Re: [GMCnet] The stock temp gauge doesn't really tell you your operating temps. Why that's a problem
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Re: [GMCnet] The stock temp gauge doesn't really tell you your operating temps. Why that's a problem
By: USAussie on Wed, 03 January 2018 13:44
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Re: [GMCnet] The stock temp gauge doesn't really tell you your operating temps. Why that's a problem
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[GMCnet] Free Radiatior internal camera inspection, with radiator/cap pressure test.
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Re: [GMCnet] Free Radiatior internal camera inspection, with radiator/cap pressure test.
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Re: [GMCnet] Free Radiatior internal camera inspection, with radiator/cap pressure test.
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Re: [GMCnet] Free Radiatior internal camera inspection, with radiator/cap pressure test.
By: bdub on Wed, 03 January 2018 21:38
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Re: [GMCnet] Free Radiatior internal camera inspection, with radiator/cap pressure test.
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Re: [GMCnet] Free Radiatior internal camera inspection, with radiator/cap pressure test.
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Re: [GMCnet] Free Radiatior internal camera inspection, with radiator/cap pressure test.
By: USAussie on Thu, 04 January 2018 05:28
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Re: [GMCnet] Free Radiatior internal camera inspection, with radiator/cap pressure test.
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Re: [GMCnet] Clubs Posting To GMC list
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Re: [GMCnet] The stock temp gauge doesn't really tell you your operating temps. Why that's a problem
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[GMCnet] The stock temp gauge doesn't really tell you your operating temps. Why that's a problem
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Re: [GMCnet] The stock temp gauge doesn't really tell you your operating temps. Why that's a problem
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Re: [GMCnet] The stock temp gauge doesn't really tell you your operating temps. Why that's a problem
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Re: [GMCnet] The stock temp gauge doesn't really tell you your operating temps. Why that's a problem
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Re: [GMCnet] The stock temp gauge doesn't really tell you your operating temps. Why that's a problem
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