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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Those rpms are a normal sweet spot for that engine. 45 mph climbing a mountain with a full load is what I would be at in far right lane with truckers. Some think you need to climb a hill at 70 mph and if not then your truck has a problem. Trans temps seem normal when working. Very proven motor you have along with trans.
