Viscosity is the the most important property in a motor oil, but did you know that viscosity changes with temperature? Also, the ideal choice in viscosity for an engine is dependent on factors such as bearing clearance and oil ring tension. In this video, Certified Lubrication Specialist Lake Speed Jr explains how to choose the correct viscosity for your engine.

Like many things, too much viscosity or too little viscosity results in problems. The chart presented in this video gives you the tools to make the right choice.

For the viscosity chart: https://drivenracingoil.com/rt5996c...
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For more about Tribology and Lake Speed Jr:    • Episode 026  |  Piston Rings with Lak...  

For how to choose the correct breakin oil:    • ☑ Do’s & Don’ts ⛔ of Engine BreakI...  

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