Quote:
Originally Posted by Topspinmo
Gas as I can tell Base stock same, it’s the company additives added. On side of tankers you see long tubes that’s the additive they add when delivered. Who knows where Wawa or circle K buys gas from what company? Some companies claim there additives are better like chevron and shell. I do know chevron fuel injector cleaner rated over all other brands, but have no proof it works any better other than marketing and ratings? A guy on Utube named “Project Farm” does all sorts non bias tests on products I sure he’s covered this subject?
Maybe someone actually worked delivering fuels can post the facts?
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Yes, the base is the same. Additives are added to brand specs.
I've found many stations don't charge more for top tier.
Costco also sells top tier.:
Non-biased explanation:
carfax.com