The 4 R’s of Engine Lubrication: Science-Backed Tips for Choosing the Right Oil
When it comes to engine oil, misinformation and opinion often drown out science. In this educational video, Lake Speed Jr.—a member of the Society of Tribologists and Lubrication Engineers (STLE)—sets the record straight using insights from over a century of research.
Forget internet myths and marketing hype. When selecting oil for your engine, Speed emphasizes one foundational principle: follow the science. This means understanding what your oil is really doing inside your engine—not just lubricating, but also cooling, cleaning, and transferring energy.
What Are the 4 R’s of Lubrication?
To achieve proper lubrication, you need:
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The Right Oil – Correct viscosity and additive package for your engine.
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The Right Place – Oil must reach all critical engine components.
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The Right Time – Oil needs to flow immediately upon startup and throughout operation.
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The Right Amount – Too little oil results in inadequate lubrication; too much can cause aeration and loss of pressure.
In high-performance engines, these factors are mission-critical. The right motor oil doesn't just reduce wear and friction—it:
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Removes heat (up to 40% of engine cooling is done by oil),
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Cleans internal engine components,
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Powers hydraulic systems like lifters and variable valve timing mechanisms.
That’s why modern high-performance and racing oils are engineered for specific applications, including:
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Flat-tappet camshaft protection,
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Turbocharged engine cooling,
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Track and endurance racing conditions.
Why It Matters
Using the wrong oil or neglecting flow and timing can lead to catastrophic wear or failure. On the other hand, choosing a lubricant formulated for your specific engine type and driving style can dramatically extend engine life.
Final Thought
“More isn’t always better” when it comes to oil—the right formulation and delivery matter more than brand loyalty or additive overload.
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