5W-20

[MustangMoser]

dunno, but every time jiffy lube does an oil change w/ 10-30 they come in knockin on cold start. kendell is a much higher quality oil than a lot of others.

 

[Win]

I run a 10w-40 high Mileage just b/c i am close to 200K on my car seems to work just fine for me.