Quote:
Originally Posted by redpoint5
I acknowledge that there are practical limits to my theory, such as running an engine outside of the efficient range, and wind resistance. However, I don't see any evidence to support the theory that going as slow as possible up a hill is best.
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I don't think "as slow as possible" is the best, but "as fast as possible" is certainly not best. I climb a hill nightly to my home (gaining 4,675 feet over about 13.7 miles), and I can tell you that my FE average is better when I take that hill at 40 mph than at 50 mph or 55 mph. (I don't do less than 40 mph because I'd have to drop a gear to maintain my speed.)
This is in both of my cars, which are similar in size and horsepower, but built 14 years apart.