Viscosity: Finding the Right Thickness Choosing the correct viscosity is just as important as the additive package. Standard motor oils, designed for new or low-mileage engines, often lack the necessary additives to handle these gaps effectively.
Best Oil for High Mileage Older Engine Protection and Additives
Vehicles with significant mileage often require a different approach to engine maintenance, and selecting the best oil for high mileage is the single most effective step a driver can take. These additives create a protective layer on metal parts, preventing friction and scrubbing that can lead to catastrophic failure.
10W-40 / 15W-40 Heavy loads, towing, or hot climates Thicker consistency helps maintain oil pressure in engines with increased clearances. Many high mileage vehicles were originally designed for 10W-30 or 5W-20 oils, but as engines wear, slightly thicker oils can sometimes provide a better cushion.
Protecting Older Engines with the Right Additives
Unlike standard motor oils, high mileage variants contain additives designed to rejuvenate seals, reduce oil consumption, and provide superior protection for aged engine parts. Sticking to the viscosity suggested in the owner's manual ensures proper lubrication without sacrificing fuel economy or placing undue stress on the oil pump.
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