[Fot] High zinc oils, or not?

[Scott Janzen]

https://www.enginelabs.com/engine-tech/engine/do-classic-cars-actually-need-high-zinc-oil-lake-speed-finds-out/?utm_source=rss&utm_medium=rss&utm_campaign=do-classic-cars-actually-need-high-zinc-oil-lake-speed-finds-out&utm_source=ActiveCampaign&utm_medium=email&utm_content=Making%20More%20Than%201%2C500HP%20With%20The%2012-Rotor%2C%20Sorting%20Out%20Gen%20V%20GM%20Lifter%20Failures%2C%20Do%20Flat-Tappet%20Engines%20Really%20Need%20High-Zinc%20Oil%2C%20And%20More%20From%20EngineLabs%20com%21&utm_campaign=EL%206%2F27%2F25
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