Quote:
Originally Posted by pz619
Exactly this. If you want to get into the nuts and bolts you could/should definitely look into top tier brands. There was even an retired fuel guy on this thread who basically confirmed it's all the same, the cost difference is the proprietary blend (marketing) of the same ingredients that they all use.
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From past work I know that as well. Fuel is the same; difference, if any, is in the additives and that is what is tested for "Top Tier" gasoline.
I only purchase premium from top tier sellers. But as noted, that includes most of the major companies including Costco.