It's not going to be in a Walmart Jug. LOL It's a special blend they make often right there at the track. Doug Fehan has said in several videos they use nothing but M1.
Quote:
Are Mobil 1 Racing oils the exact formulation used by the Formula 1, NASCAR, and Le Mans race teams?
Mobil 1 Racing oils are formulated with the same race-proven, fully synthetic technology used in racing applications around the world. However, typically, Mobil 1 tailors its racing oil technology based on the specifications required by specific teams and/or race applications.