Z Max was the product that Carroll Shelby endorsed. On the commercial he said he put it in every car that came out if his garage. Someone must have gotten to him with $$$
Yep, he was paid to make those statements for sure. Zmax was proven to be tinted mineral oil and actually contributes to additional wear.
https://www.ftc.gov/news-events/pre...-speedway-motorsports-and-oil-chem-subsidiary