Pennzoil High Mileage was specifically formulated to give extra life protection to engines with over 75,000 miles and reduces oil consumption by slowing down or preventing oil leaks. Leading high mileage oil helps keep engines cleaner and provides better wear protection backed by the Pennzoil limited warranty.
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Motor oil is made from crude oil and is used to lubricate, clean, and cool engines. Types of motor oil include conventional, synthetic, diesel, bio-based, hybrid (blends of conventional and synthetic), and recycled oils. Motor oil varies in weight and viscosity, as well as additives that some manufacturers add to the oil during the refining process. A numerical code system created by the Society of Automotive Engineers (SAE) grades motor oils according to viscosity--the higher the number between 0 and 60, the more viscous (thicker) the oil is. Most consumer motor oils are graded by two numbers, with the first number indicating cold weather (Winter or "W") performance.
SAE 10W-30
This oil has a weight of SAE 10W-30, meaning it has an SAE viscosity rating of 10 in cold temperatures and a rating of 30 at normal operating temperature. Always check your vehicle's owner's manual to verify that this is the correct weight of motor oil for your vehicle.
Conventional Motor Oil
This oil is a conventional motor oil, meaning it is refined from crude oil or petroleum products. Conventional motor oils may or may not have additives included after refining. Conventional motor oils are more versatile than synthetic or hybrid motor oils, because they are suitable for use with nearly all types of modern vehicle engines, from cars and trucks to motorcycles, ATVs, farm equipment, and more.
High Mileage Oil
This oil is primarily designed for use in high-mileage cars and trucks, including both older vehicles and new vehicles that see heavy long-distance use. Extra additives are included to minimize compression loss, and to condition rubber seals and gaskets to prevent fluid leakage in older or high-mileage vehicles.
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I worked as a tech at jiffy lube and used pennzoil and I trust it more then any other oil out there and only in California I wouldn't trust jiffy lube over there oh and at Walmart it's 17 bucks for the high mileage oil
A good product at a reasonable price. It may be cheaper at some retail stores but with Amazon Prime shipping the filters and oil it may break even and save a trip.