Engine oil is vital for protecting a car's engine. If your car requires 5W-20, can you use 5W-30 instead? Here's why those numbers are so important.

Title says it all:What's the difference between 5w-30, 10w-30, and SAE 30?They're all 30 weight motor oils, but how do they differ? What are the advantages and disadvantages of each?

Some mechanics recommend switching to a thicker (higher viscosity) oil — such as 10W-30 full synthetic oil instead of 5W-20 full synthetic — or using oil additives to stop leaks.

In addition to its range of environmentally friendly car cleaning products, Green Earth Technologies announced it's the world's first company to receive API Certification for its G-OIL Bio based ...

T6 10W-30 can be used in place of a 15W-40 engine oil in most instances. Key benefits of the low viscosity, full synthetic oil include for modern diesel engines: Lower oil consumption .

AMSOIL SAE 0W-40 Signature Series Synthetic Motor Oil. Available at: Find locations through amsoil.com Price: $11.50 (U.S.) 10W-30, 5W-20 or even 0W-40. Picking the right viscosity for your engine ...

About Delo® 400 LE SAE 10W-30 Delo 400 LE SAE 10W-30 is available in gallon jugs, five gallon pails, 55 gallon drums and in bulk. Contact Chevron or your local Chevron lubricant marketer for more ...