Tag Archives: 5w-30

Signature Series Battles Sludge The health of your engine depends on motor oil circulating quickly and efficiently through the system, but sticking components and obstructed passages inhibit motor oil from lubricating, cooling and protecting your engine. Engine “sludge” occurs when oxidized oil and contaminants build up on engine surfaces. It can restrict the flow of […]

Stiction… What Is It? Mark Nyholm|May 24, 2017 8:30 AM By now you’ve inevitably seen this term in turbo diesel enthusiast magazines.  And if you own a Ford Powerstroke 6.0L diesel engine, then you likely have experienced it. Stiction… it’s a combination of two words. Static and Friction. What it really means is that there […]

How Extreme Heat Affects Your Engine   The average operating temperature of a passenger car/light truck engine is up to 235ºF, and higher under heavy loads. Motorists are becoming more familiar with the technologies responsible for this increased heat, specifically turbochargers and direct fuel injection. Automakers are designing engines using these performance-enhancing technologies to keep […]

Leading the Field in Deposit Protection Testing proves AMSOIL Signature Series 5W-30 Synthetic Motor Oil provides more complete protection against damaging deposits than competitors. The push toward smaller, fuel-efficient engines yielding more power drives the development of key technologies. Gasoline direct injection (GDI) and turbochargers are here to stay. By 2020, industry experts predict that nearly […]