different gas, different gas mileage
in [Technical]
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From: News on 3 Mar 2010 08:05 Scott Dorsey wrote: > Rob <me_(a)home.orgg> wrote: >> local techs recommend a small amount of amsoil 2 stroke in your gas tank but >> a very small amount, about 1 ounce per 10 gallons i think but i am checking >> on that now. > > Are these by any chance techs who make a large profit on replacing > catalytic converters? > --scott > > "Ah, you used a bit too much..."
From: m6onz5a on 3 Mar 2010 08:13 On Mar 3, 8:02 am, klu...(a)panix.com (Scott Dorsey) wrote: > Rob <m...(a)home.orgg> wrote: > > >local techs recommend a small amount of amsoil 2 stroke in your gas tank but > >a very small amount, about 1 ounce per 10 gallons i think but i am checking > >on that now. > > Are these by any chance techs who make a large profit on replacing > catalytic converters? > --scott > > -- > "C'est un Nagra. C'est suisse, et tres, tres precis." lol really Well.... maybe it's no different than putting Marvels Mystery Oil in the fuel???
From: Vic Smith on 3 Mar 2010 09:37 On Tue, 02 Mar 2010 22:33:51 -0700, Ashton Crusher <demi(a)moore.net> wrote: >I've always liked chevron gas because it has techroline, which is one >of the best fuel detergents. But I've noticed lately that when I buy >Chevron my 2009 PT seems to get about 2 - 3 mpg worse gas mileage. My >other typical fill up is some "FastGas" type place. This change has >happened often enough that I'm pretty sure it's not completely my >imagination. Anyone else noticed such a change from one brand to >another? On the FastGas I usually get 24.5 on my typical driving >cycle, 70% commute, on the Chevron it drops down to about 22. Hard to get accurate mpg without controlled highway driving. Catching more red lights, more idling, and a few pedals to the metal could account for that difference. You need multiple tanks of the same stuff, then multiple tanks of the other, and careful attention to driving style. If there's a cold snap during one brand test but not the other, toss everything out, and start again. You might find a difference. But do you really want to do that? --Vic
From: Don Stauffer on 3 Mar 2010 10:18 Ashton Crusher wrote: > I've always liked chevron gas because it has techroline, which is one > of the best fuel detergents. But I've noticed lately that when I buy > Chevron my 2009 PT seems to get about 2 - 3 mpg worse gas mileage. My > other typical fill up is some "FastGas" type place. This change has > happened often enough that I'm pretty sure it's not completely my > imagination. Anyone else noticed such a change from one brand to > another? On the FastGas I usually get 24.5 on my typical driving > cycle, 70% commute, on the Chevron it drops down to about 22. While I agree that different brands likely will have SOME difference in energy content and milage, that seems like a lot. You need to do a good milage test and compile statistics. You need to do about ten samples to get a real valid test, so this is ten tankfuls each. Then figure the milage individually for each of the ten tankfuls and use one of those "statistics" calculators. You need to determine the Probable Error of each set of tests. A number of years ago I bought a Dodge Neon that would run on either regular or premium but they recommended premium and said I would get better milage on premium. I ran ten tankfuls of each. The tests said I got about 0.3 mpg better on regular. But... the probable error on the testing calc'd out at 0.5 mpg. It is very hard to measure mpg differences of about one mpg. But, two to three ought to show up well.
From: Pete E. Kruzer on 3 Mar 2010 10:29
As I've posted before, my 2001 PT gets terrible milage. Here in Western PA and Eastern Ohio there's a huge supermarket chain, Giant Eagle. They have GetGo gas stations. For every $50 you spend at the market, you get 10¢ off a gallon of gas. The only time I use GetGo gas is when I have a free tank coming. My cruiser on BB, Sunoco or Shell averages 16-17 mpg. My trips never change. I'm usually going to the same places the same number of times between fill ups. On the GetGo gas, I'm lucky if I come close to 13-14 mpg. |