High mileage oil is specifically engineered for vehicles that have accumulated 75,000 miles or more. Mechanics generally recommend changing the oil every 3,000 to 5,000 miles for vehicles over 75,000 miles.
Why Your High Mileage Vehicle Needs Specialized Motor Oil Formulations
These minute imperfections prevent components from sealing perfectly, which allows combustion gases to leak past the rings. Standard motor oil often fails to provide the necessary protection for these matured engines, making a specialized formulation essential.
Key Additives in High Mileage Formulas Not all motor oils are created equal, and the difference lies in the additive package. When to Make the Switch Drivers should consider transitioning to a high mileage formulation when the odometer passes the 75,000-mile mark.
Why Your High Mileage Vehicle Needs Specialized Motor Oil Formulas
Consequently, this leads to a loss of compression, reduced fuel efficiency, and the presence of blue smoke from the tailpipe. Thicker oils, such as 10W-40, can sometimes exacerbate oil consumption in worn engines by creating too much drag, whereas the right modern viscosity can improve efficiency.
More About Motor oil for high mileage
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