re: “Name brand” gasoline

Motor oil necessarily became more synthetic due less paraffinic crude oil available for a several decades. At the same time they did get better and better where the vast majority of engines don't need oil changes as often as recommended. There are different base oils, from refineries and chemical plants, for them to be formulated from, Groups I, II, III, IV, and V, with a new unofficial Group III+, Viscosity improver and additive packages, mostly metal compounds, then blended in.

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Those additives, especially detergent additives, is what separates good gasoline from the cheap crap that the poors and ignorants prefer.

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"Detergents" include additives to make it burn consistently throughout ignition cycle, thus less carbon aka Soot.

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BP gas is the best

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i still refuse to spend money at BP to this day. frick them

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Crude Oil is segregated by two things, lube approved and non lube approved. Lube feed is what's used to make the motor oils

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Not the case. Refinery feedstock for base oil (foundation for all lube oil) used to be from paraffinic crude oil, which we had plenty of in the USA. Quaker State and Pennzoil are both owned by Shell. They are using a lot of base oil from Shell's Pearl GTL plant in Qatar. This GTL plant produces 100% paraffinic sulfur free syncrude and its very waxy. It has to be hydrocracked into products. Naphthenic crude can be hydrotreated and isomerized into paraffinic base oil and why called synthetic. Being a paraffin doesn't actually mean a wax it's the type of carbon atom chains.

There is no more Pennsylvania paraffinic crude oil to refine any longer. There is condensate from tight shale formations but called crude oil only because congresscritters legally changed that definition in the 1970's as part of the legislation which approved TAPS, aka Alaskan Pipeline.

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Detergent additives are the same...you can drink the Kool Aid if it makes you feel better, but Techron MIGHT be marginally better than whatever XOM is putting in vs whatever Valero is putting in. I worked for Chevron for 5 years supporting a downstream/marketing truck rack and now work for the largest liquid storage terminaling company in the country...and handle all "brands" of additives.

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You have 15 years as a guy who fills trucks. I have 2x that in powertrain engineering and I've actually seen the test data and held the tested parts in my hands with two engineering degrees to back it up. Believe whatever you want baw, but you don't have a clue on this.

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I've got 15 years in the industry

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do you think I should care about only putting ethanol free in my lil motorbike? I have been told that small engines dislike ethanol. no idea if that's true but I have been buying ethanol free for years anyway.

I get gas wherever I can find ethanol free. I refuse to use corn and lose MPG's just because demoncraps have an agenda.

I'm no engineer, but I've run high performance automobiles all over the country w/ the exception of the Northeast.

I've never had an injector failure, throttlebodies are always clean, not even any sensor failures.

All we run is Chevron w/ Techron.

Some folks don't science well.

Of course, I've just jinxed myself.