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Old 10-16-2010, 08:55 PM   #6 (permalink)
The Atomic Ass
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Join Date: Oct 2008
Location: Mason, OH
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Priinochio - '17 Toyota Prius Two Eco
90 day: 62.36 mpg (US)
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Quote:
Originally Posted by Old Mechanic View Post
When at a constant speed use the highest gear practical and try to keep the vacuum as low as practical.
For constant speed, wouldn't he want to keep it as high as possible?

Quote:
Originally Posted by Old Mechanic View Post
When you are travelling at a constant speed try to keep the vacuum reading as high as possible and as steady as possible. This will get you the best mileage as long as you are not using pulse a glide to improve your mileage further.
Must've been a typo. 4ring, higher vacuum is better, but only in top gear at steady speeds. Steady vacuum is even better than higher vacuum.
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