The Difference Between GL-4 and GL-5 Gear Oil The main difference between GL-4 and GL-5 gear oils is in the level of extreme-pressure (EP) additives. It’s really very simple. They are not interchangeable and GL5 didn’t replace GL4. by Eddie
“Million-Mile” Phil Trusts AMSOIL for His Honda Gold Wings
“Million-Mile” Phil Relys on AMSOIL for His Honda Gold Wings 2015 Gold Wing* breaks 700,000 miles (1.1 million km) on its original engine with AMSOIL products. _by John Baker|June 7, 2022 Phil Steiner proudly calls himself an “80-year-old, Lima, Ohio