My truck my gets nothing but what I think is the best. But now I have a old tired daily driver and I can experiment with oil. Its a leaker and a burner. Leaking from literally everywhere. Oil pan. Upper oil pan. Rear main seal. Both cam sensors. Valve covers. So many places I don't know for sure where it's coming from. So I decided to try SuperTech high-mileage conventional 10w30 for its first oil change. See what happens. This is what the driveway looked like at the initial oil change.
1500 miles into second OCI
Now. Start of 3rd OCI. (Total 6200 miles)
1500 miles into second OCI
Now. Start of 3rd OCI. (Total 6200 miles)