Dry gas

What do you guys use for gas line antifreeze? There is a right one and a wrong one and I never can remember which is which. It depends on the type of alcohol used.

Dave

Ethanol.

With most gas being 10% alcohol, I've not really found the need to buy it anymore.

If I read the bottle of heet right it may have been isopropyl but as I believe standard rubbing alcohol may not be 100%

Haven't needed anything since we went to E-10, last time I remember using any Heet was 81!

I looked at isopropyl alcohol last night, 50, 70 and 91 percent concentrations were on the shelf.

Heet gas line anti-freeze comes in two flavors: The red bottle is Isopropyl Alcohol and can be used with all gasoline and diesel engines. The yellow bottle is Methyl Alcohol and is not to be used for diesel engines or 2 cycle gasoline engines.

Most gasoline sold today (both regular and premium grades) is blended with 10% Ethanol (Alcohol). Since the gasoline I use already contains alcohol I do not add additional.

Haven't needed any gasoline anti-freeze since I began using E-10 back in about 1981 or so.

I live in SD and haven't used Heet in 35 years

Very rare here in MN that I need or use Iso or HEET anymore. The ONLY time I use them now is when I suspect fuel line or carb ice is already happening. Then I use them as a "shock" treatment to get rid of the ice, but I also drain the bad fuel or use it up as quickly as possible to eliminate the problem.

BTW, if you have a large quantity of water-contaminated gas that you want to save, the best method is NOT additives. It's running that fuel through a water separator. There are some very good simple funnels out there that you can simply pour wet gas through and remove a large percent of the water. I paid about $60 for a big one once, but it easily paid for itself over the years.

It used to be a real chamois skin in a funnel would be used to soak up water, but the new funnels just use the different densities to leave water in the bottom of the funnel where the pure fuel skims over the top and into "good" container. You have to dump the water out of the funnel about every 5-10 gallons depending or more depending on how bad the contamination is. With a big funnel unit, you can easily do 50 gallons in 15 minutes if you have a good way to drain the fuel from the "bad" tank and enough containers or a drum at your disposal.

Grouse

I have a couple of funnels with real fine screens in them, If you pour the gas through slowly any water will bead up and stay on top. Having
the screen oily helps.

Years ago there was a TV show caller Performance Plus. They compared isopropal alcohol to ethanol dry gas . The isopropal absorbed the water and the ethanol one turned to black mush .

If the product was called dry gas it was not ethanol It would have been methanol. Methanol is also corrosive . Ethanol does get part of its bad name because of that . Methanol is most of the time made from wood. https://en.wikipedia.org/wiki/Methanol

both are corrosive. Never add drugstore rubbing alcohol to your gas as it is already diluted with water! You don't want to add more water!

I use non-ethanol gas in my garden tractor with snow blower in the winter. I add a little isopropyl when gassing up. I did have gas line freeze once without the ethanol in real cold weather.

Why not just use E-10 gas, I have never had a problem with it.

Yes should read methanol not ethanol

Not being a smart Arse, but I have never used it. Try to keep everything shedded, keep fresh fuel, change filters when I can.
If something acts up and I think it is fuel, I drain the whole shooting match, clean everything and start over with fresh fuel.

Gene

I have more tractors than sheds and only start and run them now and then to keep them operational. Not really cost effective to keep tanks full.

I'm now using E15 in everything, chain saws to tractors and everything in between. Never had a problem with E10 since it came out in the 1970's.