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Old 07-12-2019, 12:28 PM   #15
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Location: Bainbridge Island, Wa
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I crossed continental divide twice this year and had no issues. You have to downshift as you climb. My ISB did just fine and we are towing a 4000 lb toad. Never came close to overheating going either way. The key is to down shift and go slow staying in the power curve for your engine. Keep your rpms up and dont worry about getting passed. The last mile the divide going west, I shift into 3rd and maintain around 2400/38 mph with the ISB. Our total weight is like 28000 to 29000 lbs. We did get up to FWT of 204 that day.

If you cooled right down at idle it is probably operator error and not machinery problem.

2004 Newmar Kountry Star Diesel Pusher, Chevy Tracker, Kizzy, Desi,Rosie, and Trek our Vizsla's
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Old 07-12-2019, 01:00 PM   #16
Join Date: May 2019
Location: Smithfield, VA
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Originally Posted by SeattlePirat View Post

If you cooled right down at idle it is probably operator error and not machinery problem.
I agree. On the overheating I mentioned earlier, I didn't discover the economy mode until I was on the return leg of my trip to Kansas from Virginia. Running in economy and going uphill, it got hot very quickly with the reduced rpm. Downshifted and slowed down, and all was well.

Tom & Carol, Smithfield, VA
2000 Dutch Star DP 3851 Spartan
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Old 07-12-2019, 01:44 PM   #17
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between grades

You want to avoid what i did recently if all possible which is I was coming down a grade and at the bottom heading up was a 5ver with his hazard on and because of the traffic I could not get over to the passing lane and I lost all my momentum to go up the grade and had to shift down to 3rd/2300 rpm to get up the grade. Temp rose to just under 1/2 way mark but I was watching it very closely.

2017 Newmar Ventana 4002
2015 Jeep Cherokee Trailhawk
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engine, heat, heating

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