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.

Mazda Engine Oil Capacity Chart(For All Models)

Mazda Engine Oil Capacity Chart

In this post, we provide a comprehensive Mazda engine oil capacity chart, covering nearly every Mazda model and engine variant. This information will help you ensure your oil changes are done accurately, preventing overfilling or underfilling, both of which can…

Lexus Engine Oil Capacity Chart(For All Models)

Lexus Engine Oil Capacity Chart

When it comes to maintaining your Lexus, choosing the right engine oil and knowing the correct capacity are essential for performance, longevity, and efficiency. In this post, we present a comprehensive Lexus Engine Oil Capacity Chart covering most Lexus models…

Classic Car Engine Oil(Top 7 BEST 2026)

Classic Car Engine Oil

One of the most important aspects of care is choosing the right engine oil. Unlike modern engines, classic engines were built with looser tolerances and materials that interact differently with lubricants. Using the wrong oil can lead to premature wear,…

2 Stroke Engine Oil Injection(Explained + Universal Oil)

2 Stroke Engine Oil Injection

The 2-stroke engine, renowned for its simplicity and power, has been a staple in various applications, from motorcycles and chainsaws to outboard motors and snowmobiles. In this post, we’ll dive into the mechanics, benefits, and considerations of 2-stroke engine oil…

Onan Engine Oil Filter(Top 5 Best 2026)

Onan Engine Oil Filter

When it comes to maintaining your Onan engine, one of the most important yet often overlooked components is the oil filter. The oil filter plays a crucial role in protecting the engine by removing contaminants from the oil that circulates…

Marine Four Stroke Engine Oil(Top 5 Best 2026)

Marine Four Stroke Engine Oil

Selecting the right marine four-stroke engine oil is critical for extending engine life and ensuring smooth operation on the water. This post guide explores why marine-specific oils matter, key features to look for, and five top-rated oils available for purchase…

Oil for LS1 Engine(Top 3 Best 2026)

Oil for LS1 Engine

The LS1 engine, a legendary V8 from General Motors, powers iconic vehicles like the Chevrolet Corvette C5 and Camaro SS. To maintain its longevity and efficiency, choosing the right engine oil is critical. This post guide explores the best oil…