|
0w-30 oil in a standard engine will only allow you to be able to crank easier at lower ambient temps. No real gain in MPG should be expected as the viscosity is the same as 5w-30 or 10w-30 at 100 degree C. The only saving you may get are from faster starts. W stands for winter.
5W-20 may increase MPG and reduce overall wear, 5w-30 breaks down into this viscosity anyway in a short amount of miles. However if your engine burns oil changing to this will be worse. If your engine burns oil goto 10w-40 if you are in a mild climate.
|