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BajaGringo
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Owned a laboratory and did a lot of testing on gasoline/oil products for years Doug and believe it or not, there is more variability than you think.
Shouldn't be but there is. Especially with some of the independent station operators north of the border who look to buy the cheapest they can find. A
little diesel has been known to find its way into the tanks on occasion as some wholesalers will do almost anything to make a sale sometimes.
Bottom line is that the unit of measure at the pump is a volume measurement, not weight which is why I made the suggestion...
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arrowhead
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| Quote: | Originally posted by BajaGringo
A little diesel has been known to find its way into the tanks on occasion as some wholesalers will do almost anything to make a sale sometimes.
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Could you explain that? Since diesel is more expensive than regular gasoline, and has been for a good number of years now, how does one make more
money by adding a more expensive diesel product to a less expensive gasoline product and selling it at the lower price?
Thanks in advance for your explanation.
No soy por ni contra apatía.
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BajaGringo
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Diesel, especially the low sulfur grade has a very high affinity for absorbing water. Diesel storage tanks absorb water through their tank vents,
especially along humid, coastal areas. The water forms a layer on the tank bottom. That dirty/water layer "should be" pumped off frequently. Small
time fuel wholesalers were famous for pumping from tank bottoms, pushing the "wet diesel" from tanks with little diesel left or blending some of it
with gasoline to knock a few pennies off the bulk price. Independent station operators were always looking to find any way to sell their gas cheaper
than the major oil branded stations.
This practice went on frequently and why we were called in from time to time to sample tank bottoms, truck deliveries or fuel tanks.
And your welcome...
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BillP
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I don't know how much has changed in the 15 years since my last trip, but we always figured getting ripped off at the pumps was just part of the Baja
deal and it didn't do any good to get upset about it. It certainly wasn't worth causing a big stink and risking going to jail. Besides, we were able
to run Nova which was quite cheap.
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comitan
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ok now its down and dirty, I have seen in both California and Mexico water hoses leading into the underground fuel tanks that would be a lot of
condensation!!!!!!!!!!
Strive For The Ideal, But Deal With What\'s Real.
Every day is a new day, better than the day before.(from some song)
Lord, Keep your arm around my shoulder and your hand over my mouth.
“The sincere pursuit of truth requires you to entertain the possibility that everything you believe to be true may in fact be false”
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roundtuit
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Downtown Mulege pumps are correct, 20 liters just alittle over 5 gal. On the Hwy they can get 25 liters in a 20 liter can. How do they do that 
Never learned from a book-Only from mistakes, mine and yours
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BajaNomad
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| Quote: | Originally posted by BajaGringo
A little diesel has been known to find its way into the tanks on occasion... |
And other things. I'm aware.
Anything that's a problem and difficult hazmat to dispose of.. commingled product, transmix, MMT, whatever, etc... high-level pumper stations made the
problem go away rather quickly for many.
When I was young, I admired clever people. Now that I am old, I admire kind people.
– Rabbi Abraham Joshua Heschel
We know we must go back if we live, and we don`t know why.
– John Steinbeck, Log from the Sea of Cortez
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dtutko1
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here's another post from the Onion
Gas Pumps - I became suspcious of the gas pumps at Pescadero a couple of years back when I needed to fill a gas can, and considerably more than the
stated capacity was put in, so I decided to conduct my own partially scientific study. I run my truck on both gasoline and propane fuels. My owner's
manual says my gasoline tank has a 132 litre capacity. I ran it dry, then switched to propane, then filled up at the Pescadero Pemex, the Cabo Pemex
near Costco, and the Pemex at the north end of TS. I allowed for 2-litres extra for the filler pipe. Imagine my surprise when the Pescadero Pemex
managed to cram 145 litres of gasoline into my 134 litre tank and filler hose! I learned that the downtown TS Pemex is run by the same franchisee, so
I avoid that one too. I have "tested" 3 pumps at the Costco Pemex, and they have all been dead accurate. The Pemex at the north end ot TS is also
accurate, although I have only tested one pump. I decided to give the franchisee the benefit of the doubt and will believe the remaining pumps have
not been tampered with. Another scam. What makes it worse is that the locals are being cheated as well. The author of this article requested anonymity
Dorado Don
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