Originally posted by Thinkmoto:
I love how mobil 1 now comes out with extended drain interval oils. When Amsoil has been doing it for years and years.


It's just marketing.

AMSOil has always been in the marketing business. That's NOT a compliment by the way. FRAM is a king at marketing.

Go back under your AMSOil rock.

2000 SVT #674 13.47 @ 102 - All Motor! It was not broke; Yet I fixed it anyway.