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Greg Alberalla

Greg Alberalla quit his day job running a performance parts retailer to become a YouTube content creator. The Kentucky-based mechanic is a Cummins* enthusiast, owning every generation of diesel-powered RAM truck.

What Does Oil Viscosity Mean

Oil viscosity is the measure of its resistance to flow. How quickly or slowly motor oil flows affects how well it protects your engine.

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Kenny Hauk


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