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.

505 CRF Fuel Treatment(Top 5 Best Alternatives 2026)

505 CRF Fuel Treatment

If you’ve come across 505 CRF fuel treatment, you’re likely looking for a fuel additive that cleans injectors, improves combustion, and protects your engine. This guide covers five top-rated fuel treatments that deliver the same benefits, cleaning fuel systems, restoring…

Freightliner Differential Oil Capacity(for All Models)

Freightliner Differential Oil Capacity

Differential oil lubricates the gears, bearings, and other internal components of the rear axle, helping prevent overheating, wear, and premature failure. Capacities vary depending on the truck model, axle configuration (single or tandem), and axle manufacturer (Meritor, Eaton, Dana, or…