Gasoline question

Isn't that was alcohol gasoline additives did before ethanol gas was available at the pump? I guess my answer would be to add what we call gas line antifreeze up here, or really just plain alcohol.
 
Plain alcohol from where?rubbing and isopropyl alcohol has water in it right? I’m asking cause I don’t really know and yes it’s very humid here in the south especially in summer (March to October here)
 
RRMan:

Well, up here in the great white north, a lot of people use (or used to use) what we called/call gas line antifreeze ..... it was just methanol (an alcohol), I always assumed it was 100% alcohol. If you had water in your gas for whatever reason, addition of the methanol would prevent the water in your gas from freezing up in your gas lines. I haven't a clue how alcohol does that chemically or what happens. That's the theory anyways. They still sell it in small little bottles and I'm guessing that people still use it, maybe not as much now that a lot of gas has ethanol in it already. I never did use it much, now and then when things really got cold but I've never had a gas line freeze up when driving.
 
Isopropyl , (ethanol) . No water in it. Heet was what we used back in the 50-60s etc. Then they changed their formula. I believe they now offer two different ones, not sure. Other products on the market with isopropyl though.

In the Army, we used to go around dumping in alcohol in the gasoline tanks on the trucks during the winter in the 50's.
 
If I remember correctly antifreeze with methanol was the cheap stuff and isopropyl alcohol was the better stuff. I think isopropyl is capably of holding more water is the difference.
 

Methyl alcohol will work however it is aggressive towards some metal , plastic and rubber .
Ethyl alcohol will work however is it somewhat aggressive towards metal , plastic a d rubber .
IPA , Isopropyl Alcohol will work and it is the least aggressive towards some metal , plastic and rubber .
 
On Non-Ethanol gas, the gas will float on top of water. If you have it in a container siphon off the gas on the top or water on the bottom. Otherwise the cure is ethanol.
 
(quoted from post at 16:45:18 01/06/21) What is the best product to get rid of or prevent water in non ethanol gasoline ?

Use a funnel that has a water excluder screen in the bottom when filling the tank.

Then when vehicle is not in use, place a piece of visqueen over tank fill opening then install the cap on tank.

If tank has a vented cap such as lawn and farm euipment.
 
Ethanol gas! If you just used E-10 you wouldn't have a water problem! I haven't used any Heet for 30 years, I have a couple of unopened bottles, but the contents have evaporated away.
 
(quoted from post at 18:16:15 01/06/21)
(quoted from post at 16:45:18 01/06/21) What is the best product to get rid of or prevent water in non ethanol gasoline ?

Use a funnel that has a water excluder screen in the bottom when filling the tank.

Then when vehicle is not in use, place a piece of visqueen over tank fill opening then install the cap on tank.

If tank has a vented cap such as lawn and farm euipment.

"Use a funnel that has a water excluder screen in the bottom when filling the tank."

Where the heck are you getting your gasoline from to fill your gas jugs that it would have so much water in it that a fine screen in the base of a funnel screen would catch it?

As the old owner's manual advice said "Buy clean fuel and keep it clean"!
 
only time I ever got water was the one time I bough corn syrup gas,, most worthless garbage there is next to 303 and rotella
 
Dumb question: Can the water that separates out of gas or oil still freeze solid in cold weather?
 
Drug store isopropyl alcohol often has water added. Check the label: 70 percent isopropyl alcohol lists water as the inactive ingredient.
 
(quoted from post at 01:29:08 01/07/21)
(quoted from post at 18:16:15 01/06/21)
(quoted from post at 16:45:18 01/06/21) What is the best product to get rid of or prevent water in non ethanol gasoline ?

Use a funnel that has a water excluder screen in the bottom when filling the tank.

Then when vehicle is not in use, place a piece of visqueen over tank fill opening then install the cap on tank.

If tank has a vented cap such as lawn and farm euipment.

"Use a funnel that has a water excluder screen in the bottom when filling the tank."

Where the heck are you getting your gasoline from to fill your gas jugs that it would have so much water in it that a fine screen in the base of a funnel screen would catch it?

As the old owner's manual advice said "Buy clean fuel and keep it clean"!

I don't use one as like you said buy gas clean.

The funnel is a suggestion in case he is having problems with water in his bulk tank. Or maybe the bottom gas from the gas station in his jugs.
 
I raised a big fuss here when I suggested this earlier, but what I do is remove the ethanol from my gas *before* putting it in the tractor. The easiest way to do this is with a outboard motor tank, which has the suction on the bottom.

Put 5 gal gas in the tank, and then add 1/2 gallon of water. Put the cap on, shake vigorously for one minute, and let set overnight.

The next day, with the tank setting level, the ethanol/water will have settled out on the bottom. The gas floating on top will be DRY (no water, no ethanol). If you start with regular (87 octane) you will end up with ~84 octane, which is more than fine for old tractors.

You'll end up with maybe 4.5 gallons of gas and 1 gallon of water/ethanol "vodka." As I do not know who else may be reading this, do NOT drink this!

I used to work at a military fuels testing lab and the head chemist tested this for me using his equipment, measuring both for ethanol and water. The ethanol was removed to the parts-per-million level. The pure gasoline had even less entrained water in it than diesel fuel--also at the parts-per-million level. Link posted to how others this. I'll see if I can find my old test results and post them here. I have run this fuel for several years now and it runs great.

Dave 41A
Ethanol Removal How to
 

Did those lab test show that you could use a test tube with a hundred graduations.
Then put in 5 graduations of water and then fill with gasoline.
Let it sit and see what volume of water settles out to determine how much water was in the gas?
 
(quoted from post at 17:06:24 01/07/21)
Did those lab test show that you could use a test tube with a hundred graduations.
Then put in 5 graduations of water and then fill with gasoline.
Let it sit and see what volume of water settles out to determine how much water was in the gas?

If that's a question for me, then answer is the fuel was tested for its dielectric properties which was calibrated against water and ethanol content.

The results were:
Start: 9% Ethanol gasoline, 1710 ppm water (0.17%)
Finish: less than 1% ethanol*, 304 ppm water (0.03%)

*ethanol content was below the sensitivity of the sensor used.
Dave
 
Since it’s in my 1995 Chevy 2500 tank I can’t see or tell if there is actually water in my fuel but it’s been sitting up for about 6 months.I want to take every precaution to make sure it doesn’t get to the engine since I’m about to start using it
 
There's a device called a "fuel thief" that we used to use to get samples form the bottom of storage tanks. I don't know if it would work in a truck. You could try running a syphon hose down to the bottom of the tank to see what comes out. Or you could syphon it all out and refill with fresh gas to be sure. I wouldn't start putting additives in unless I had reason to do so.

How full is the tank?
 
(quoted from post at 15:01:40 01/07/21) Since it s in my 1995 Chevy 2500 tank I can t see or tell if there is actually water in my fuel but it s been sitting up for about 6 months.I want to take every precaution to make sure it doesn t get to the engine since I m about to start using it
A 1995 has the electric pump in the tank.
I would disconnect the fuel filter under the driver inside the frame.
Turn on ignition switch and let the pump run the tank dry into a bucket.
Put in some fresh gas and run pump a bit to get the rest of old gas out.
The install new filter.
 
007 probably has the best suggestion, and a new fuel filter never hurts. I do not know where you are located, but with that much empty room in the tank, condensation could be a problem, depending on local temperature and humidity levels. But I have also let vehicles sit for 6 months without problem, so maybe not. You could try draining some, and if it comes out looking clean & dry (no water), chance it and try to start it. You might be pleasantly surprised.
 

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