I'm glad you asked! Oil is the life blood of your engine. It lubricates all moving parts,
protects them from heat, and even acts like a wash down cleaning system for the internal parts, keeping carbon deposits to a minimum. While it does collect carbon and other contaminants caused from the blow by of burning Gasoline/Diesel fuels, it begins to trap and absorb them. Causing harmful acidic sludge, that leads to poor performance and harmful engine damage. This is why CHANGING the oil is a must for the longevity and safety of your engine.
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