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Old 03-20-2021, 08:22 AM   #40 (permalink)
B440
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Join Date: Oct 2013
Location: Thompson, CT
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none - '15 Mazda CX-5 Sport
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Quote:
Originally Posted by jedi_sol View Post
I don't seem to suffer from this problem

City driving - stay out of boost, duh.

Highway driving - at 65mph is right at the cusp of boost. Therefore, drive 60mph to stay out of boost. Then for P&G I use shorts amounts of boost to get to speed a lot quicker = longer glides = increased average mpg.

3 Seconds of short boost acceleration only lowers my trip mpg by 0.1mpg vs 6 seconds of nonboosting acceleration can lower my trip mpg by 0.5mpg
I see the "stay out of boost" statement often from Subaru owners, and while it seems to apply in your case, it's not universal. I owned a Jeep Renegade with the 1.4L Fiat turbo engine and it was nearly impossible to stay out of boost in any real world driving.

The Subarus have 2.0-2.4L engines that could be NA and still motivate the car (no boost). The Renegade would be a turd if the 1.4L was NA (no boost).
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