Dick, could you share the math and chem equations you used to determine
the chemical and mathamatical correctness of the mixtures posted by Ed?
Thanks in advance,
Joe
Dick J wrote:
>Those formulae printed by Ed are chemically and mathematically correct, but
>don't do it.
>
>Xylene is, in fact, an octane booster. I worked in a refinery for a
>short time after I retired the second time and BSed with one of the
>engineers there since both he and I were into older cars. I commented
>that we had all the stuff needed there to mix some really good fuels.
>He explained that all gasoline comes from the same place, and is the
>same when it is purchased by a distributor. What makes Shell
>different from Exxon which is different from Mobile and 87 octane,
>from 91 octane, from 100 octane racing gasoline is not the gasoline -
>- it's the additives. I used to watch trucks loading gasoline from
>the same tank. Each company had a private "additive" tank at the
>distribution dock. The driver used a swipe card and pressed in the
>number of gallons of gasoline he was getting. Based on his swipe card
>code, about five gallons of his company's special additives were
>pumped from his "private" tank into the truck, then umpeen thousand
>gallons of gasoline were pumped in and mixed with the additives. When
>that truck was full, the next truck in line, maybe from an entirely
>different company would put his five gallons of addidive, then umpteen
>thousand gallons of the same gasoline. One truck ended up being 87
>octane Shell, and the second one ended up geing 93 octane Exxon.
>
>An ounce or two of additive in a car's tank might be ok, but by mixing
>your own recipe with toluene or xylene, you are greatly reducing the
>additives that the gas company put into the gasoline. Pure gasoline,
>without any additives, is not a very good fuel, and if you put 30% of
>your own additive in, you are losing 70% of the company's additives.
>Not good. Ever buy gasoline in Mexico or a third world country - -
>that's what you get with minimal addives. Also, adding your own mix
>to one company's gasoline will not have the same effect as when you
>add it to another company's product. You're messing with some pretty
>sophisticated formulae that they spend zillions of dollars developing,
>and adding a gallon of paint thinner ain't gonna give you 110 octane
>racing fuel.
>
>Dick J In East Texas
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