Zn oils - What do you use?

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Gibbs Driven 5w40 synthetic. I chose this for the below write up and I wanted thin 5w oil for cold startups and 40w for my hydraulic lifters. A lot of guys use Driven or Brad Penn in race cars in our area.

Synthetic 5W-40

DT40 delivers this first 5W-40 synthetic European Sports Car oil formulated with Ultra High Viscosity Index base oils designed for high output engines. DT40 features a high zinc content to protect aggressive cam profiles, and the advanced synthetic formula delivers fuel economy and high temperature protection from viscosity breakdown. High revving sports car engines and turbocharged engines require robust anti-wear protection. These high output engines need defense against high temperatures. Joe Gibbs Driven DT40 delivers enhanced film thickness as well as increased anti-wear additives. Ideal for German, Italian and British sports car engines. High Zinc Content - Higher level of Zinc (ZDP) delivers proper anti-wear protection for high output engines and flat-tappet camshafts. Extra Film Thickness - Advanced synthetic technology for greater film thickness under high temperatures and high loads. Thermal Stability - Defends against Turbo coking, oil consumption and viscosity breakdown. Storage Protection - Defends against moisture drawn into the engine by modern bio-blended fuels. Utilizes a tenacious oil film technology developed for the U.S. military.