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A long break-in period is not required for the engine and
drivetrain (transmission and axle) in your vehicle.
Drive moderately during the first 300 miles (500 km).
After the initial 60 miles (100 km), speeds up to 50 or
55 mph (80 or 90 km/h) are desirable.
While cruising, brief full-throttle acc
3.6L/6.4L Engine
These engines are designed to
meet all
emissions regulations and provide excellent
fuel economy and performance when
using high quality unleaded "regular"
gasoline having an octane rating of 87. The
use of premium gasoline is not recommended, as it will
not provide any benefit over