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Old 01-08-2018, 12:18 PM   #30
Norm Peterson
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Drives: 08 Mustang GT, 10 Legacy 2.5GT, ...
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Seems to me that whatever gear would give you good response going up a long grade would be a good gear to be in going down the same slope. If 1700 rpm in 6th isn't giving you much "oomph" going up, you'd downshift to 5th (~2500 rpm) or possibly 4th (3000 rpm) depending on the severity of the slope. Whichever it gear was would be a good guess at what it'd take to maintain speed going back down without having to ride the brake pedal (possible fade or glazing) or repeatedly hit the brakes harder for shorter periods of time (pissing off following drivers).


That actually amounts to a minor re-wording of what an experienced over the road semi driver would tell you. Just that in a car, you won't be downshifting as many gears whether you're going up the hill or coming down it.


Norm
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