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.

Kubota Engine Oil(3 Best Picks 2026)

Kubota Engine Oil

Kubota engines power a wide range of equipment, including tractors, lawn mowers, generators, and construction machines. To keep these engines running smoothly and efficiently, choosing the right engine oil is essential. The correct oil not only improves performance but also…

Honda Genuine 0W20 Engine Oil(Top 3 Best Picks 2026)

Honda Genuine 0W20 Engine Oil

Honda Genuine 0W-20 engine oil is one of the most trusted lubricants for modern Honda vehicles. Developed and tested by Honda engineers, this oil is designed to deliver reliable engine protection, improved fuel economy, and long-lasting performance. If your vehicle…

Green Engine Oil(Explained + 5 Best Picks 2026)

Green Engine Oil

Green engine oil, also known as eco-friendly motor oil – is designed to reduce environmental impact while still delivering excellent engine performance. As vehicles become more efficient and emission standards tighten, these oils are gaining popularity among drivers who want…

Full Synthetic Heavy Duty Engine Oil(5 Best Options 2026)

Full Synthetic Heavy Duty Engine Oil

Full synthetic heavy-duty engine oil is engineered for extreme performance, especially in diesel engines, commercial trucks, SUVs, and equipment that operate under high stress. Full synthetic heavy-duty oils are designed to reduce wear, improve fuel efficiency, and maintain viscosity under…

Mercury 4 Stroke Engine Oil(Top 5 Best Picks 2026)

Mercury 4 Stroke Engine Oil

Unlike automotive engines, marine engines operate in extreme conditions: high RPM for long periods, saltwater exposure, moisture, and long storage intervals. That’s why Mercury develops specialized FC-W certified 4-stroke marine oils designed specifically to protect these engines from corrosion, wear,…

Honda Civic Engine Oil(Top 5 Best Picks 2026)

Honda Civic Engine Oil

Honda engines are built with tight tolerances, so using the correct oil type and viscosity is not optional, it directly affects performance and durability. Most modern Honda Civic models use 0W-20 full synthetic oil, while older models may require 5W-20…

Kohler Engine Compression Chart(for All Models)

Kohler Engine Compression Chart

One of the most important indicators of engine health and performance is compression. Understanding the correct compression values for different Kohler engines helps diagnose issues such as hard starting, power loss, or excessive oil consumption. Kohler Engine Compression Chart Kohler…