Quote:
Originally Posted by Qwimby1
I use only Mobil gas because the Ferrari Club rates it among the cleanest burning.
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Circkle K, Exxon, Shell, Mobile, Cost Co, and many others are "Top Tier" rated gasolines which all have the same MINIMUM rated additive and treatment package required to be called Top Tier. EPA said it has to be X, fuel companies have been adding in more than enough since 1995, banded together and made it a marketing tactic.
https://www.toptiergas.com/media/TOP...ds_OD1ejoz.pdf
Here is a link with a complete list.
"All retail locations within the US (including US Territories) and Canada which carry the licensed TOP TIER™ Detergent Gasoline brands "
TL;DR Ferrari Club members drink the coolaid.