Ryan Gary

Ryan Gary

Ryan Gary is an automotive enthusiast with over 15 years of hands-on experience in the mechanical industry. His passion for engines, vehicle maintenance, and lubrication inspired him to create Engine Oil Journal, a trusted resource dedicated to helping drivers, DIY mechanics, and automotive enthusiasts make informed decisions about engine oils, transmission fluids, and vehicle maintenance. Through well-researched, practical content, Ryan aims to simplify complex automotive topics and help readers keep their vehicles running at their best.

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…

Best Oil for Air Cooled Engines(5 Best Picks 2026)

Best Oil for Air Cooled Engines

Air-cooled engines are commonly found in lawn mowers, generators, pressure washers, go-karts, small tractors, snow blowers, and motorcycles. Unlike liquid-cooled engines, they rely on airflow to regulate engine temperature, which means they typically run hotter. Best Oil for Air Cooled…

Best Engine Oil for Toyota(7 Best Picks 2026)

Best Engine Oil for Toyota

Most newer Toyota engines (especially 2010 and above) perform best with 0W-20 full synthetic oil, while some older or high-mileage engines may prefer 5W-30. Below are seven of the best engine oils commonly found and widely trusted by Toyota owners…