Viscosity: Finding the Right Thickness Choosing the correct viscosity is just as important as the additive package. 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.
Best Oil for High Mileage Engine Wear Additives: Key Viscosity Insights
High Mileage Consideration 5W-20 New fuel-efficient engines Often too thin for very worn engines; consider 10W-30 if experiencing oil consumption. They also keep the internal components cleaner by preventing the accumulation of sludge and varnish.
Understanding the precise benefits and formulation differences helps owners make an informed decision that extends the life of their vehicle. 10W-40 / 15W-40 Heavy loads, towing, or hot climates Thicker consistency helps maintain oil pressure in engines with increased clearances.
Best Oil for High Mileage Engine Wear Additives and Viscosity Tips
This can lead to increased oil consumption, visible blue exhaust smoke, and a loss of compression that reduces power and efficiency. Over time, rubber and silicone seals harden and shrink, allowing oil to leak into the combustion chamber or drip onto the exhaust manifold.
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