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Old 05-23-2012, 10:52 PM   #15
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I think the testing of engines has been complete many year ago to pull the western mountains in summer. All those trucks pull 80,000 lbs so how does that compare to a typical MH?

Keep the fuel tank full, turn on the AIR and have fun!
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Old 05-24-2012, 05:19 AM   #16
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I agree, run the gen and be comfortable. We are leaving 3rd week in June and plan on 4,500 trip in the heat, top on my list is to clean radiator and coolers.
I rinsed out the radiator yesterday and was really shocked as to how much dirt and road grime that came out! This is a side mount rad with 31,000 miles. This has to help with the cooling or at least give a little peace of mind.
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Old 05-24-2012, 05:47 AM   #17
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Yes, the engine a/c might cause temp to rise a bit. When I worked in Death Valley I always advised people to travel with gen running and house a/c to help the engine stay cooler, especially pulling grades.
Is this true for both gas and diesel engines??
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Old 05-25-2012, 06:12 PM   #18
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Did drive from Nashville today to St Louis. 92 degrees and e coach did well. Engine got up to 190 once. Most of time ran 179 to 186. Trans ran 177 after 6 hours of driving. It did hit 188 in bumper to bumper traffic. I had the generator going for air and did use the chassis air.

Leave tomorrow for Topeka and it is going to hit 96. Should e ok.

Steve
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Old 06-06-2012, 01:16 PM   #19
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Run the generator and take any pressure off the engine - that's why we have the gennies and they work best when used often. My travels are almost exclusively in the western US during the summer with lots of hills and high heat. I run the generator all day while driving and it's a rare day when the dash AC is on.
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Old 06-06-2012, 09:43 PM   #20
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I had one day last summer when I was driving from, as I recall, Detroit to Davison, MI. hotter than blazes. the aux fans ran nearly constantly to keep the engine and trans cool.

Normally, I don't hear them come on save for a couple of minutes early in the trip as the computer gets around to testing them. Or if pulling up a big hill.
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Old 06-07-2012, 09:55 AM   #21
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Why is every one so afraid to run the gen to stay cool. If it is above 80 outside the gen is on. I want it cool inside when I stop. seldom run the dash air, save the power for the wheels.
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Old 06-07-2012, 01:50 PM   #22
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Why is every one so afraid to run the gen to stay cool. If it is above 80 outside the gen is on. I want it cool inside when I stop. seldom run the dash air, save the power for the wheels.
Exactly. Our gennie might use .6 gal per hr running to supply the ac for the air.
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Old 06-07-2012, 03:47 PM   #23
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Why is every one so afraid to run the gen to stay cool. If it is above 80 outside the gen is on. I want it cool inside when I stop. seldom run the dash air, save the power for the wheels.
Great comment. A gen was put in motorhome to be used, use it!

Rick
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Old 06-07-2012, 04:56 PM   #24
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My C8.3L on a 100 degree day going uphill from sea level to 7300 ft in 70 miles will get to 220 degrees.

This is 300 hp pushing 36,000 lbs.

At 225 degrees, the engine monitor will shut the engine down with alarms ringing until it gets cool enough to resume.

I have learned not to worry until the needle for the water temp goes over 215 degrees.
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Old 06-07-2012, 06:43 PM   #25
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Seems really high to me. Have you cleaned the outside of our radiator lately?

Steve
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Old 06-07-2012, 06:56 PM   #26
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Steve, yes, but I have a side radiator.

It has operated this way for 10+ years and 65,000 miles.
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Old 06-07-2012, 07:02 PM   #27
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When traveling we run the gen with the AC's, water heater, fridge all on the gen. If you break it all down it's cheaper than the dash AC, propane for WH, and Fridge. Just my opinion
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Old 06-13-2012, 03:15 PM   #28
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I would think the fuel saved by less strain on the engine in the heat would pretty much cover the fuel used by the gen

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