Forum Discussion
ShinerBock
Jan 28, 2019Explorer
twodownzero wrote:Dave H M wrote:
I cold never maintain 70 mph up a 6% grade with the old diesel nor the 2012 6.2 Ford.
What were you pulling? I don't think I've ever shifted below direct gear on any grade at highway speed, and I have never been unable to maintain 70 mph.
A better question would be is how old was his "old diesel". According to the math, I show that even 370 hp (which is currently the lowest hp rating in an automatic HD pickup) will tow a combined(truck and trailer) 19,000 lbs at 70 mph up a 6% grade. If his "old diesel" was a old 7.3L, then it wouldn't be able to pull that much weight at stock power levels. It would only be able to tow a combined 10,000 lbs up a 6% grade at 70 mph with its 250 hp.
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