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Your engine comes stock with variable valve timing. That's how they get 185 hp out of 2.9 L. My 2.8 L (earlier version of your engine) has trace knocking at low RPM in warm weather, so I don't believe there is any room for improvement by advancing ignition timing.
I can accelerate, although slowly, from 20 MPH in 5th gear on a level road.
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06 Canyon: The vacuum gauge plus wheel covers helped increase summer 2015 mileage to 38.5 MPG, while summer 2016 mileage was 38.6 MPG without the wheel covers. Drove 33,021 miles 2016-2018 at 35.00 MPG.
22 Maverick: Summer 2022 burned 62.74 gallons in 3145.1 miles for 50.1 MPG. Winter 2023-2024 - 2416.7 miles, 58.66 gallons for 41 MPG.
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