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.

Zerex Coolant Chart(For All Products/Ratio/Use)

Zerex Coolant Chart

Each Zerex product uses a unique chemical technology, IAT, OAT, HOAT, or NOAT, to match OEM specifications and provide the right balance of cooling, corrosion protection, and long-life performance. The table below summarizes all major Zerex coolants, including their chemistry…

STP Oil Filter Fit Chart(Complete Guide)

STP Oil Filter Fit Chart

The STP Oil Filter Fit Chart helps vehicle owners and mechanics match the correct STP filter number to specific vehicle makes, models, and engines. It also assists in identifying equivalent filters from other brands through cross-reference listings. This guide explains…