Ryan Gary

Ryan Gary

With a solid foundation of 20 years in the mechanical industry and a Mechanical Engineering degree, Ryan Gary brings a deep understanding of automotive systems to Engine Oil Journal. Driven by a passion for vehicles and a commitment to providing accurate information, he created this platform to empower drivers to make informed decisions about engine oil care.

8 Cylinder Engine Firing Order (For All Car Models)

8 Cylinder Engine Firing Order

The firing order is carefully engineered to balance engine operation, minimize vibration, maximize power, and reduce crankshaft stress. While all V8 engines have eight cylinders, their firing orders differ depending on the manufacturer and engine family. Using the correct firing…

SAE Engine Oil Viscosity Chart(For All Grades)

SAE Engine Oil Viscosity Chart

Engine oil viscosity is one of the most important factors in protecting your engine. The Society of Automotive Engineers (SAE) developed a standardized viscosity grading system that helps drivers choose the correct oil based on temperature and operating conditions. In…