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From my manual, "
during the first 500 miles (805 km) that
a trailer is towed, do not drive over 50 mph
(80 km/h) and do not make starts at full
throttle. This helps the engine and other parts
of the vehicle wear in at the heavier loads."
I too have a new truck, 5.7 non e torque Bighorn. I followed the break in recommendations noted above, pretty easy. However, I plan on towing and recommendations are not as easy. 50mph for first 500 miles! Hard to do on freeway.
So, it sounds like ERS could be used as a shifter and would be particularly helpful in significant mountains. Whereas, tow/haul would be good for general towing most everywhere?
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