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Thanks for the input. Recently I have been trying the exact technique you described, being gentle, and not accelerating hard but progressively. I try to keep the turbo just on boost, not so much that it's using too much fuel, but just enough to pull me up the hill. I still loose speed, that's the only thing as it's obviously a small car and some of these hills are pretty big, the only way to avoid loosing speed is to apply maximum throttle, but then that's a huge waste of fuel.
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If you're doing DWL properly, you will lose speed going up hills.
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So is it better be gentle and sacrifice a little speed when ascending a steep hill would you say?
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Yes. let it bleed off speed, but just make sure you stay going fast enough to keep it in high gear. If you slow down enough for it to downshift, then you're using more fuel.
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DraigFlag, I read somewhere that your best MPG tactic when approaching a grade is to maintain the same gas pedal push. Simply allow the car to slow down naturally on the upside of the grade.
I suppose, for the convenience of cars behind you, you can accelerate BEFORE the hill to maintain a reasonable amount of speed on the upside of the grade. In other words, depressing the gas pedal on the upside of the hill IS the worst thing you could do to to MPG. |
I tried that, and the hills are often too long and I gradually loose too much speed. Once I reach about 45 Mph, the gsi (gear shift indicator) tells me to change into 4th. So now I'm changing into 4th and feathering the throttle more using higher revs instead. Not sure if it's any more or any less efficient yet.
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