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Variable valve timing improves engine ef...

Amsoil Tech Guru

Variable valve timing improves engine efficiency. Quality oil is vital for keeping sensitive components clean and functioning properly. Matt Erickson | TECHNICAL PRODUCT MANAGER, PASSENGER CAR Variable valve timing (VVT) is one of the big-three engine technologies (along with turbocharging and direct fuel injection) automakers have turned to in the last several years to meet […]