Have you ever wondered why

da.bees

Well-known Member
They kept installing restrictors inside fuel necks to prevent a leaded gasoline noozle after all leaded pumps were long gone? Or why did the hole need a hinged cover over it? The combonation sure make's it messy pouring gas from a can into tank,esp when they are deep down in neck.
 
Greg,that thought doesn't bother me near as much as filling my diesel truck with gasoline.LOL
 
da.bees- Also, that hinged cover was installed for two reasons. 1) to try to deter a thief from siphoning gasoline from the tank. 2) To try to discourage people from adding gasoline to their tanks using containers. Reason: Gasoline containers made from plastic became more popular. When pouring gasoline from these containers, a static charge builds up (unless container is properly grounded, usually NOT).
A static discharge could happen thus resulting in igniting the gasoline vapors leading to an explosion.
 
WHY do you need to pour gas from a "can" into an unleaded fuel neck?

Vehicles run just as well on the top half of the tank as on the last gallon or so.
 
It might bother you to put diesel in a gas engine. Modern gas engines with thin piston ring are intolerant of diesel fuel. I did not believe that until one rolled in my shop. '06 Honda van that was somehow filled with diesel and subsequently quit. Another shop drained the tank and filled with gas, it was then brought to me to see why it ran bad. Three cylinders at 75lbs compression and blowing into crankcase. Took an engine to fix that one.
 
(quoted from post at 21:12:27 11/16/15) WHY do you need to pour gas from a "can" into an unleaded fuel neck?

Vehicles run just as well on the top half of the tank as on the last gallon or so.

Well, using the "top half" of the tank is easy. Using the last gallon is easy too. Its when you get to the "or so" part that it gets hard. In fact, that "or so" part is so hard for me to use that in all my years of driving I have never used a drop more gas than my tank held. Thats why I always have a cheater tank in the back of the truck. My previous truck had a wonky gas gauge so I used it quite regularly.
 
I really don't understand the static electricity thing. I have filled old Farmalls for years our of 5 gallon plastic cans. Ever since farm delivery started costing more without road tax than the local stations charged with road tax. I can get the road tax back on my tax return. You can't ground plastic, and the flow of fuel is so slow it would be surprising if the mechanism were in place to develop a static charge. In large fuel tanks (2,000,000 gallons and more) we limit filling to 3 ft per second coming out of the fill pipe until the fluid is at least a foot or more over the fill nozzle. This is for gasoline and diesel. And this requirement came about after a[b:2238d1a7b8] suspicion [/b:2238d1a7b8]of static electricity caused a fire. I fill my tractors by hand right next to and almost under the can. I really don't want to do that if there is a danger but after thirty years, it certainly feels safe.
 
Andy Martin- There is a lot of subjects on this on the 'net'.

Just Lougle- "plastic fuel cans static electricity".

HTH
 
I really don't want to do that if there is a danger but after thirty years, it certainly feels safe.


That statement right there is why it is so hard to educate people with the dangers of gasoline.
They have done it for so many years with no problems they think it will never happen to them.
 
"WHY do you need to pour gas from a "can" into an unleaded fuel neck?"
WHY #1. Because it's easier to bring gas to vehicles which are not road worthy (not registered mainly) but are used around private property than it is to load them on a trailer and haul to a gas pump.

WHY#2. To use gas before it sit's too long and become's stale. I sometimes buy more gas than I use for mowers,tractors,atv and such.

There are other WHYS but before I tell you all the WHYS I want to hear why you needed to ask that question.
Or was your comments an attempted "Bob drive by snark"?
 
I buy gas at the local store, haul it in plastic containers. I usually siphon that gas into the tractors. Less spilling. I would like to know how you ground a plastic tank.
 
The other caution I've been told is that Diesel is quite lean a mixture at atmospheric pressure, and Gasoline is quite a rich mixture at atmospheric pressure. So both of those fuels don't ignite exceptionally well out in the open air. But if you swap containers some day and get a mixture of both Diesel and Gasoline, the fuel air mixture at atmospheric pressure is ripe for a perfect explosion.
 
Nothing "snarky" about it.

I have done repair work for a LONG time and have noticed two types of people... those who don't run out of gas, and their tanks are always on the "full" side of "half", and those who seem to commonly run out of gas, mess with cans and funnels, and, to top it off, leave containers uncovered, exposed to rain and dirt, then wonder why they have filter or fuel system issues. On top of all that, you gotta put some gas in before a test drive, so as not to run out!

I'm gonna go with the ones who seldom resort to "cans" on this one!
 

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