Let’s explain all of those confusing numbers, letters and terms to help you choose the right oil for your car.

“As engine technology and fuel technology have evolved, the environment in the crankcase has changed,” says Stede Granger, Shell ... of how SAE oil grades are defined (15W-40, 10W-30, 5W ...

Dillip | The recommended engine oil for TVS NTORQ 125 ... Any higher/ thicker grade(10w-30), might have constraints in the oil flow through the tighter tolerances maintained in the construction ...