Which Is Thicker 75W140 Or 80W90 – Choosing The Right Gear Oil
Understanding gear oil viscosity is crucial for your vehicle’s differential and transmission health. While both 75W-140 and 80W-90 are popular choices, their “thickness” or viscosity ratings indicate different performance characteristics, impacting everything from cold-weather flow to high-temperature protection. This guide will clarify the differences to help you make an informed decision. Ever stood in the…