Quote:
Originally Posted by ChevyRules
Tadge who is the ‘Vette chief engineer did say when ‘Vette owners asked about the new oil that it is backwards compatible and recommended to change to it for pre-2019 ‘Vette’s.
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Makes sense that it would be.
I will add that the ZR1 is in the same boat as the ZL1 1LE concerning 0W-40 and track use.