A reader asks: I have to replace the front wheel bearings on my SUV. Naturally, I would like to protect the wheel bearings as much as possible. Looking at AMSOIL Synthetic Multi-Purpose Grease and AMSOIL Dominator Synthetic Racing Grease. Which grease would protect better against high heat in these hubs?
Our answer: Either AMSOIL grease product will easily withstand the temperatures that automotive wheel bearings generate.
However, the Dominator Grease does offer higher heat resistance. This is quantified in the ASTM D-3527 test. In this test, grease is run in a hub/spindle assembly at 1000 RPM at a temperature of 160°C for 20 hours on and four hours off. The test ends once too much resistance is created. Elevated resistance implies that the grease is failing.
AMSOIL Synthetic Multi-Purpose Grease had a test lifespan of 120 hours. The Dominator Racing Grease had a test lifespan of 220 hours.
Again, either will easily handle long-term wheel bearing service. However, Dominator Racing Grease is superior in terms of severe heat resistance.
About AMSOIL Synthetic Multi-Purpose Grease
AMSOIL’s Synthetic Multi-Purpose Grease is a highly versatile product that is ideal for general chassis and wheel bearing service. It boasts exceptional all-temperature performance and strong water resistance. A superb choice for automotive and commercial-use at a reasonable price.
About AMSOIL Dominator Synthetic Racing Grease
The Dominator Synthetic Racing Grease is an ultra-high-performance grease that can also do it all. Dominator Racing Grease’s hallmark is the aforementioned resistance to extreme heat. It was formulated for high-speed, high-temperature operation. It is also appropriate for general chassis and wheel bearing use. Other notable attributes include exceptional water resistance and great winter performance.
We can offer AMSOIL Synthetic Grease at wholesale prices in the United States and Canada. Request a price list using the contact form on this page or call us at 1-800-748-5781.