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850 / S70 & V70 '96-'99 / C70 '97-'05 General Forum for the 850 and P80-platform 70-series models |
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V70 Cruise controlViews : 1614 Replies : 10Users Viewing This Thread : |
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Oct 4th, 2004, 17:07 | #11 |
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RE: V70 Cruise control
>I've noticed fuel economy drops by a few mpg when you use the
>cruise control. It accelerates much harder than you would >normally do yourself to maintain the set speed. What makes you think that using most of the engines power capability would be inefficient? Hard acceleration, followed by hard braking, I can understand your thinking - but hard acceleration followed by cruising, is likely to be more economical that gradual acceleration up to the set speed, then cruising. >This is shown >on the instantaneous fuel economy setting on the computer >which jumps up and down a lot. Accelerating slower, isn't necessarily more econmical. >I never use the cruise control on my car as I find the roads >too busy. Each to their own, but on the motorway, I find it invaluable. |
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