Interesting I'm getting ~2mpg better gas mileage with Shell vs. Mobil gasoline here in Ct
#2
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I kid you not. Smoother idle and better mileage. My 1996 G20 with about 150k on it has had Shell from day one.
Must be a magic Dutch gasoline additive.
Must be a magic Dutch gasoline additive.
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#8
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...because it seemed that gasolines with a lower octane rating would result in lower mileage.
I used to think that this was because the higher octane rating of 'premium' gas would result in a more controlled flame propagation, hence more power, hence less need to heavy-foot it for the same acceleration. That was my hyposthesis, anyway.
Shell just seems to have cleaner stations and a tighter dealer network overall in my experience. The stations I visit most: Hamilton Ave in Campbell, CA, Chowchilla Shell on CA highway 99 and Los Banos Shell on CA highway 152.
I used to think that this was because the higher octane rating of 'premium' gas would result in a more controlled flame propagation, hence more power, hence less need to heavy-foot it for the same acceleration. That was my hyposthesis, anyway.
Shell just seems to have cleaner stations and a tighter dealer network overall in my experience. The stations I visit most: Hamilton Ave in Campbell, CA, Chowchilla Shell on CA highway 99 and Los Banos Shell on CA highway 152.
#10
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replaced twice. Dealer suggested switching to Chevron and I can't believe the problem went away.