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.

Subaru Forester Engine Oil(Top 5 Best Picks 2026)

Subaru Forester Engine Oil

Subaru’s boxer engines, including the popular 2.5-liter flat-4 and the turbocharged variants found in XT models, have specific oil needs. Choosing the right type and viscosity of oil ensures optimal engine health, performance, and longevity. In this guide, we’ll walk…

Subaru Outback Engine Oil(Top 5 Best Picks 2026)

Subaru Outback Engine Oil

Choosing the right engine oil for your Subaru Outback is one of the most important steps in maintaining engine performance, fuel efficiency, and long-term reliability. This guide explains Subaru Outback oil requirements and highlights five of the best engine oils…

Marine Engine Oil Filter Cross Reference(For All Models)

Marine Engine Oil Filter Cross Reference

Choosing the correct oil filter and knowing reliable cross‑reference equivalents helps ensure proper oil flow, pressure, and engine longevity. This guide explains how marine oil filter cross-referencing works and provides a comprehensive, easy‑to‑use table covering common marine engine brands and…

ATF CVT Transmission Fluid(+ Top 3 best Picks)

ATF CVT Transmission Fluid

Using the correct ATF CVT transmission fluid is essential for performance, durability, and avoiding costly repairs. This guide explains what ATF CVT fluid is, how it differs from conventional ATF, and why choosing the right one matters so much. ATF…

Subaru Engine Swap Compatibility Chart(For All Models)

Subaru Engine Swap Compatibility Chart

Subaru’s EJ, FA, and FB engines share many similarities across models and years, which makes certain swaps straightforward, while others require wiring, ECU, and transmission modifications. This guide breaks down Subaru engine swap compatibility, offers a complete swap chart, and…