The conditioners in these oils rejuvenate the sealing materials, restoring their pliability and improving the contact surface to keep oil where it belongs. This wear results in oil consumption, potential leaks, and a higher likelihood of engine noise.
Top Additives to Condition Seals and Reduce Engine Wear
Understanding Engine Wear and Tear Over time, the constant friction within an engine causes microscopic damage to bearings, pistons, and cylinder walls. High mileage blends contain seal swellants that restore the flexibility of hardened rubber seals.
Consequently, this leads to a loss of compression, reduced fuel efficiency, and the presence of blue smoke from the tailpipe. Viscosity Grade Best For Cold Weather Performance 5W-30 High-mileage engines needing better fuel economy Excellent flow at low temperatures 10W-40 Engines with higher clearances and moderate heat Good protection in moderate climates Extended Drain Intervals and Maintenance While high mileage oil provides superior protection, it does not necessarily extend the drain interval indefinitely.
Top Additives to Seal Leaks and Reduce Engine Wear
Mechanics generally recommend changing the oil every 3,000 to 5,000 miles for vehicles over 75,000 miles. Combining high mileage oil with a new high-quality filter ensures optimal cleaning and lubrication.
More About Motor oil for high mileage
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