V-10 problems
I started out years ago towing our 7,000 lb trailer with my old chevy 2500 with the 350. I tow mostly in the Sierra and Rocky Mts. I hated the way I had to slow down to 45 mph going up the grades. So ...
Forum Discussion
OP, Turtle and Peeps is correct. You have a 7,000 pound truck pulling a 7,000 pound trailer. Check to see if your mass air flow sensor is dirty. I routinely pull a car on my car hauling trailer. weight is between 6,500 to almost 7,000 pounds with both trucks in my signature. Both will do 65 up any hill I encounter in southern California, though I seldom go over 6,000 feet elevation, and do not have the wind resistance of your travel trailer. Like others have said, don't be afraid to let the V-10 rev to 3,500 or even 4,000+ rpm. That is the power peak for the engine. I don't have a tuner on mine, but have heard they are worth having for the improved shift points.
