Hah!

[JasonH]

Only way to tell if the oil is good is to get a used oil analysis. Mine was good even at 7,000 miles, but had sheared down to 20 weight from 30. Now I run 5W-40.

 

[Left Coast Geek]

well, as I said, going forward I will be doing 5000 mile oil changes. this was a one shot deal. before I left on the trip, I had a local indie shop do an oil change with Mobil 1 full synth, and when I reentered the US I got it changed at a Ford dealer (Sandersen Ford in Phoenix,AZ), who I assume used Motorcraft/Ford oil.

btw, holy chizz.. Sandersen Ford is huge. Their parts warehouse/store alone is larger than most dealers, the service facility has like 80 bays. I think the service adviser said they are 65 acres total, they even have a cute 50s style diner on site, serving great breakfasts...