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.

LS Engine Bore and Stroke Chart(For All Models)

LS Engine Bore and Stroke Chart

Understanding bore (cylinder diameter) and stroke (piston travel distance) is essential for engine identification, builds, or modifications. These measurements directly affect displacement, torque, horsepower, and engine characteristics. Below is a comprehensive bore and stroke chart for the LS engine family,…

Rato 420cc Engine Oil Capacity(+ Best Recommended Oils)

Rato 420cc Engine Oil Capacity

This guide explains everything you need to know about Rato 420cc engine oil capacity, oil type recommendations, oil change intervals, and best practices for long-term engine reliability. Rato 420cc Engine Oil Capacity The Rato 420cc engine oil capacity is approximately…

Fixing a Transmission Leak Cost(2026 Cost Ratings)

Fixing a Transmission Leak Cost

How much does it actually cost to fix a transmission leak, and what factors influence the price? In this guide, we’ll break down the typical costs involved, common causes of transmission leaks, repair options, and ways to reduce expenses without…

Nissan CVT Transmission Fluid(Top 5 Best Picks 2026)

Nissan CVT Transmission Fluid

Nissan has widely adopted Continuously Variable Transmission (CVT) technology across its vehicle lineup to improve fuel efficiency and deliver smoother driving performance. This guide explains what Nissan CVT transmission fluid is, why the correct type matters, and highlights five of…

Transmission Temp Gauge(Top 5 BEST Picks 2026)

Transmission Temp Gauge

If you drive a vehicle with an automatic transmission, a transmission temperature gauge is one of the most important instruments you can install. This gauge monitors the temperature of your transmission fluid in real time, helping prevent costly damage. Transmission…

CVT Transmission vs Automatic(6 Key Differences Explained)

CVT Transmission vs Automatic

This guide breaks down the differences between CVT transmission vs automatic transmission, helping you decide which is better for your driving needs. CVT Transmission vs Automatic 1. Driving Experience CVT Transmission Automatic Transmission Winner: Automatic transmission for driver engagement; CVT…