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.

Ford Engine Sizes Chart(For All Engine Types)

Ford Engine Sizes Chart

Ford has built one of the most diverse and recognizable engine lineups in the automotive world. From classic small-block V8s to modern EcoBoost turbocharged engines, Ford’s engines power everything from compact cars to heavy-duty trucks. Ford Engine Sizes Chart Inline-3…

1025R Engine Oil Capacity(+ Best Recommended Oils)

1025R Engine Oil Capacity

One of the most important aspects of maintenance is monitoring and replacing engine oil. In this guide, we’ll cover everything you need to know about the 1025R engine oil capacity, recommended oil types, and maintenance tips. 1025R Engine Oil Capacity…

4.3 Mercruiser Engine Oil Capacity(For All Models)

4.3 Mercruiser Engine Oil Capacity

The 4.3 Mercruiser is one of the most popular marine engines thanks to its durability, smooth performance, and reliability on the water. This guide explains everything you need to know about oil capacity, service intervals, and proper maintenance practices. 4.3…

4.0 Jeep Engine Oil Capacity(For All Models)

4.0 Jeep Engine Oil Capacity

This guide breaks down everything you should know about the 4.0 Jeep engine oil capacity, oil type, and maintenance schedule. 4.0 Jeep Engine Oil Capacity The 4.0 Jeep engine oil capacity is 6 quarts (5.7 liters) with a new oil…

Ford AOD Transmission Fluid(Top 5 Best Picks 2026)

Ford AOD Transmission Fluid

The Ford AOD transmission is a 4-speed overdrive automatic transmission introduced by Ford in the early 1980s. To maintain a healthy AOD transmission, whether original or rebuilt, always use ATF that explicitly meets MERCON or MERCON-V specifications. Ford AOD Transmission…

6.7 Powerstroke Transmission Fluid Type(Top 5 Best Picks 2026)

6.7 Powerstroke Transmission Fluid Type

Below are the five best transmission fluids commonly chosen by 6.7 Powerstroke owners, all compatible with Ford’s specifications. These options are widely available and known for excellent performance, durability, towing reliability, and heat resistance. 6.7 Powerstroke Transmission Fluid Type 1.…

Diesel Truck Transmission Fluid(Top 5 Best Picks)

Diesel Truck Transmission Fluid

Diesel trucks operate under heavy loads, long hours, and extreme conditions. This makes selecting the right transmission fluid even more critical. Heavy-duty trucks generate more heat and stress, so the fluid must offer excellent lubrication, thermal stability, and protection against…

Kohler Engine Oil Filter Cross Reference(For All Brands)

Kohler Engine Oil Filter Cross Reference

Using a reliable cross-reference guide helps engine owners identify compatible aftermarket filters without compromising engine performance or protection. A cross-reference chart matches Kohler OEM part numbers with equivalent filters from trusted brands like WIX, Fram, Purolator, Baldwin, AMSOIL, and more.…