ps56k wrote:
> Wife just bought a Ford Focus today...
> Interesting looking under the hood, noticed oil was - 5w20
> Great... now another blend to put on the shelf.
>
> What's with 5w20 vs say our normal 10w30 ?
5W20 is thinner in cold weather and flows better when warm,
has lower shear strength and increases the milage by a teeny bit.
Check your service manual and the temperature range requirements.
Some folks I know run 5W30 but it's warm here. If you are in a cold
climate you better stick with 5W20 for winter at least.
--
DougW