MolaKule
Staff member
Page 119 of the F1A document, Section 16.7, 16.8 just says the minimum viscosity shall be no lower than 2.8 cSt, it says nothing about the maximum viscosity so the maximum viscosity could be anything.
https://www.fia.com/sites/default/f...echnical_regulations_-_iss_3_-_2021-02-19.pdf
https://www.fia.com/sites/default/f...echnical_regulations_-_iss_3_-_2021-02-19.pdf
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