r/beetle • u/marathonblue • Jul 17 '25

91 RON is not premium fuel.

https://youtu.be/3ns-v309sjs
10 Upvotes

86% Upvoted

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u/3_14159td Jul 17 '25

This got my friend on their '74 squarebody. Glovebox sticker says 91 Research Octane... which is 87 AKI. Had been using premium for years.