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Getting low(?) gas mileage.... 22mpg highway


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I do 26.7 mpg on the highway with my automatic Legacy

 

First out of town trip my Legacy GT 5EAT produced the generically advertised 25mpg.

This trip had some crosswinds on HWY15 when going through Corona/Norco.

Average speed was 75-85mph with cruise control where applicable.

 

The second out of town trip, with a couple thousand on the odometer did 26.7mpg.

Windy, mountainous roads with hardly any wind.

Average speed was 65mph, and no cruise control.

 

Bone stock.

 

-Jim

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Isn't 65+ starting to spool the turbo?

 

Or do I need to shaddap?

 

Shaddap :p:lol: j/k

 

In all seriousness, boost is dependant on rpm's and load. If you were to cruise at 70 mph in 3rd gear you would NOT be in boost because there is next to no load. 65+ mph equals enough rpms to easily spool the turbo, but it won't till you prod the throttle. So while cruising at a constant speed where wind resistance isn't out of hand, you will not be under positive manifold pressure.

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