6.0/3.73/6speed in mountains pulling 8000 lbs
I have 2013 suburban 2500 pulling my new Creekside 27 bh which is 8,000 loaded. First trip with this combo over Stevens pass hwy 2 in Washington state. Once the serious climbing started I was 2nd gea...
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I notice when my transmission temp goes much above 210, the engine coolant temp rises also.. on a hot day a few years ago on Sherman pass in north central Washington, engine and trans temps were both around 235 for a few miles hear the top. They stabilized (weren't climbing) and cooled down immediately after cresting the summit.
