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- Newsgroups: rec.autos.tech
- Path: sparky!uunet!rsiatl!jgd
- From: jgd@dixie.com (John De Armond)
- Subject: Re: Oxygenated Gasoline and Low MPG (super unleaded?)
- Message-ID: <08zr4tg@dixie.com>
- Date: Fri, 08 Jan 93 09:15:01 GMT
- Organization: Dixie Communications Public Access. The Mouth of the South.
- References: <4278.88.uupcb@chaos.lrk.ar.us> <x4yr19_@dixie.com> <29392@oasys.dt.navy.mil>
- Lines: 51
-
- bense@oasys.dt.navy.mil (Ron Bense) writes:
-
- >Umm, from an inside source from a major oil company, nobody likes the
- >new additives. It makes it hard to ship, it cannot be put out if it
- >catches on fire, it causes cancer in lab rats, and in general appears
- >to have no good qualities other than older cars get somewhat improved
- >emissions.
-
- Your inside source must be working in the accounting department or something.
- Oxygenated gas is blended to the same density and RVP as "regular"
- gasoline so any pumping/transport differences would be minor. As to
- not being able to put out a fire, I've never heard such fairy tails.
- If you've ever extinguished an alcohol fire, you've extinguished a
- burning oxygenate. As to cancer, nothing is in the material
- safety data sheets I have that were current about 6 months ago.
-
- (After all, how can you improve on something that reads "0"
- >like mine did in one category, and less than 5% of the allowables in
- >the others?:) Oh, another "good" quality is that the oil companies get
- >to charge more per gallon, and get to sell more of it.
-
- The stuff is not aimed at your new, closed loop car. It is aimed
- at older cars, particularly those whose engines were tuned a bit
- rich to work with AIR injection and one way catalysts.
-
- >>This stuff is really nifty for us hotrodders. Given the engine is
- >>rejetted/calibrated for the extra oxygen, it will make more power.
-
- >It is? I've got a fairly well tuned computerized engine that reads the
- >O2 output in the exhaust and adjusts fuel to match. Ran great in the
- >mountains or on the plains. It lost at least 10% of its "fuel" economy
- >when this oxygenated crap came out. (It used to get around 20-25, now
- >it's more like 17-22, and it is a 2.0L 4 cylinder [turbo])
-
- Fuel economy has nothing to do with performance. Naturally your mileage
- would go down as your engine's ECU compensates for the leanness. If you
- ran pure methanol whose stochiometric ratio is 6:1, your mileage
- would go through the floor.
-
- As far as public policy goes, oxygenated gas is pretty stupid. As far
- as hotrodding goes, it's great. Like having just a touch of nitro on
- tap.
-
- John
-
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