What Is the Difference Between 10W30 and 10W40 Engine Oil?

Answer The oil in your car is pumped through the engine when it's running, protecting it from mechanical wear. Oil is sold in a variety of "weights," usually expressed as xWy. The difference between 10W30... Read More »

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What Is the Difference Between 5W30 and 10W30 Oil?

Motor oil is used for lubricating the internal parts of internal combustion engines in a wide variety of applications. It helps control temperature and allows moving parts to function without gener... Read More »

What Is the Difference Between a Marine Engine and an Automobile Engine?

Marine engines are built tougher than automobile engines, and the price shows it. Everything from salt to the workload sets the bar high for marine engines. Although most of the same principles app... Read More »

The Difference Between a V4 Engine & a V6 Engine for a Honda?

All else being equal, bigger engines make bigger power but tend to weigh more. The same is true for a Honda V4 and V6, especially considering that Honda's only V4 offerings for the last 25 years ha... Read More »

What does the"w"mean in 10w40 motor oil?

The "W" signifies the word winter. The purpose of this is to show the resistance level of the oil to flow in winter temperature conditions, with the number before the "W" relating to the specific v... Read More »