Quote:
Originally Posted by Shepherd777
The Cummins X15 engine in the new truck will operate at 850 RPM at normal highway cruise speed, for most of the day. Redline is only 1100 RPM.
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Can you tell us more about this engine? Cummins advertises a 2000 RPM redline. Is this a special engine? Or are you just running a stock engine at low RPM? Why not an X12 engine, which is almost 1000 lbs lighter?
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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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