Originally Posted by Kabow
Originally Posted by John Galt
Congratulations on the Zero Mileage find!
The oil in the 5.7 HEMI that is in your '17 Durango R/T left the factory with either conventional engine oil or, at the most, a synthetic blend engine oil. It did not leave the factory with Full Synthetic. Only the 6.4 HEMI's and 6.2 HEMI's in the Hellcats and Demons get Full Synthetic from the factory.
If you bought it from a dealer, then confirm that they changed the oil before they handed you the keys.
If you bought it from an individual, then you can bet that they didn't change it.
Either way, I might change the oil just to have peace of mind that it's been done. And while not required in your 5.7 HEMI, I prefer Full Synthetic (Pennzoil Platinum 5W-20)
Follow the owner's manual for break-in instructions
ENGINE BREAK-IN RECOMMENDATIONS
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 acceleration within the
limits of local traffic laws contributes to a good break-in.
Wide-open throttle acceleration in low gear can be detrimental and should be avoided.
The engine oil installed in the engine at the factory is a
high-quality energy conserving type lubricant. Oil changes
should be consistent with anticipated climate conditions
under which vehicle operations will occur. For the recommended viscosity and quality grades, refer to “Maintenance Procedures” in “Maintaining Your Vehicle.”
Never use Non-Detergent Oil or Straight Mineral Oil
in the engine or damage may result.
NOTE: A new engine may consume some oil during its
first few thousand miles (kilometers) of operation. This
should be considered a normal part of the break-in and not
interpreted as a problem. Please check your oil level with
the engine oil indicator often during the break in period.
Add oil as required.
Change Engine Oil
The oil change indicator system will remind you that it is
time to take your vehicle in for scheduled maintenance.
Refer to the “Maintenance Schedule” for further information.
NOTE: Under no circumstances should oil change intervals exceed 10,000 miles (16,000 km), twelve months or 350
hours of engine run time, whichever comes first. The 350
hours of engine run or idle time is generally only a concern
for fleet customers.
Engine Oil Viscosity (SAE Grade) — 5.7L Engine
Mopar SAE 5W-20 engine oil approved to FCA Material
Standard MS-6395 such as Pennzoil, Shell Helix or equivalent is recommended for all operating temperatures. This
engine oil improves low temperature starting and vehicle
The engine oil filler cap also shows the recommended
engine oil viscosity for your engine. For information on
engine oil filler cap location, refer to the “Engine Compartment” illustration in this section.
NOTE: Vehicles equipped with a 5.7L engine must use SAE
5W-20 oil. Failure to do so may result in improper operation of the Fuel Saver Technology. Refer to “Fuel Saver
Technology – If Equipped” in “Starting And Operating” for
Lubricants which do not have both the engine oil certification mark and the correct SAE viscosity grade number
should not be used.