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.

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.…

Dump Truck Hydraulic Fluid(Top 5 Best Picks)

Dump Truck Hydraulic Fluid

The right hydraulic oil ensures smooth lifting, protects the pump and cylinders, reduces heat buildup, and minimizes wear and tear. This guide explains everything you need to know about dump truck hydraulic fluid, what it is, how to choose the…

Cummins Onan Generator Oil(Top 5 Best Picks)

Cummins Onan Generator Oil

This guide covers the recommended oil type for Onan generators, when to change it, and the five best oils available on the market today, complete with features in simple bullet format. Cummins Onan Generator Oil Cummins Onan recommends using high-quality…