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We get into the nitty-gritty of performance and racing engine oil with the experts from PennGrade 1. Learn about important topics like zinc/phosphorous additives, viscosity, synthetic and mineral blending, and the science behind motor oil formulations and additive packages.
By Summit Racing Equipment4.9
2222 ratings
We get into the nitty-gritty of performance and racing engine oil with the experts from PennGrade 1. Learn about important topics like zinc/phosphorous additives, viscosity, synthetic and mineral blending, and the science behind motor oil formulations and additive packages.

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