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Old 04-29-2013, 07:54 AM   #15
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What road is that going in on?
(Up in Scranton area)
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Old 04-29-2013, 12:21 PM   #16
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What road is that going in on?
(Up in Scranton area)
That's going north on 487 from 118.

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Old 04-29-2013, 01:59 PM   #17
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Did not realize (read dawn on me) that road was that steep... will have to make sure I remember that.
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Old 04-29-2013, 02:19 PM   #18
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I plan a trip to Ricketts Glen SP in PA.
The approach road to the park is a four mile long, 18% grade. They recommend that heavy rigs go the fifty miles around and approach the park from the top. Has anyone towed a heavy rig up this hill.
I have a 3500 GMC Duramax dually with a 14,000 Lb 5th wheel. I am leary about towing up and down this mountain. What is your experience?

Seems pretty clear to me on what would be the smartest thing to do.
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Old 04-29-2013, 02:20 PM   #19
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Im headed up there later this summer. Are your thoughts or concerns different about driving up 487 in a MH that is not towing anything? Im driving a super C, cummins motor, allison tranny if that matters.
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Old 04-30-2013, 02:22 PM   #20
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Im headed up there later this summer. Are your thoughts or concerns different about driving up 487 in a MH that is not towing anything? Im driving a super C, cummins motor, allison tranny if that matters.
As I said above, "I've climbed that hill in my Caravan and I was running about 4k rpms all the way up at 40-45mph and on the breaks all the way down again.."

I realize your MH will have more power, but personally after my prior experience, I'd go around.
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Old 04-30-2013, 02:38 PM   #21
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We did a 6 mile stretch of 10% up, then down out of Jackson Hole with a 24' Type C MH towing a Honda Odyssey on a dolly. I wouldn't ever want to try and 18% grade for even one mile!!
Go around, I think you'll be glad you did!
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Old 04-30-2013, 03:42 PM   #22
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Johnmark,
I spent my productive life as a civil engineer working for a state DOT and 9 years as a city engineer. A 10% grade is the maximum in my area on a state or city highway. We "inherited" a 16% grade from the county when a portion became part of the city. I did not like driving it in a car and it was far short of what you are dealing with. I have a heavier 5th wheel and a duramax with a 6 speed allison and there is no way I would even try this two block long grade here, let alone 4 miles. GO AROUND.
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Old 04-30-2013, 07:11 PM   #23
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I also would go around. Under that kind of grade and load, the torque converter may not get a chance to lock up. If the torque converter is not lock up, it can generate massive amounts of heat. To much heat the powertrain control module may go into a reduced power mode to try and keep the transmission from overheating. This may be a bad situation when towing up that kind of hill and towing.
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Old 05-05-2013, 04:03 PM   #24
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Any recommendation on which roads to take from the north? We can really head north from the east or west but I don't want to get surprised.
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Old 05-05-2013, 05:19 PM   #25
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18%?? easy decide - go 'round - go'in and a'coming
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