Today's gasoline

Bob

Well-known Member
<img src = "http://i167.photobucket.com/albums/u125/27Grainfield/Stuff/modern_gas_zps0a0271df.jpg">

Here"s what a few years of rotting gas does to the suction screen and rubber isolator base from an in-tank electric fuel pump!
 
(quoted from post at 20:45:11 09/03/14) &lt;img src = "http://i167.photobucket.com/albums/u125/27Grainfield/Stuff/modern_gas_zps0a0271df.jpg"&gt;

Here"s what a few years of rotting gas does to the suction screen and rubber isolator base from an in-tank electric fuel pump!

Good thing it was today's gasoline. That nasty gas they sold until the mid 1980's made gum and varnish in the carburetor. Engines were filled with lead deposits.
 
New gas ate the brass float completely except for a ring inside the arm that held it. Took less than 20 months. Tank was not full.
 
I'll take lead gas any day. No telling how much this fake gas has cost the American farmer/taxpayer.

Lobbyist(sp)has cost the American people millions because our gumerant is trash.
 
Really????
I ve cleaned more lawn mower,chainsaw,weed eater old tractor carbs the last 2 years due to the new gas varnish
Whats you guys prevention ideas?????
Sea Foam is what people are telling me
Help me out,Im lost
Thanks for any ideas
 
My Honda generator said if I DID NOT keep the carburetor full when not in use, the warranty was void! Said the carb would varnish if not kept full. First small engine I have not run the carb dry for storage. I keep the tank full, using Stabil in the fuel, and have had NO problems!
 
Don't forget 70's gas. Bought a Travelall parked since '74.
It was parked with a full tank of fuel. Nastiest stinking
sludge I have ever dealt with, shop stank for a week. To
hear some people here tell it, I should have been able to
fire that truck right up since it was ethanol free.
 
Ah yes, The fuel gauge sender wore out in my 65 Dodge grain truck. I had a 67 pickup cab with fuel tank in it that I scrapped 20 years earlier. I thought, should be a good sender unit in that old tank with 80's non ethanol gas in it. I pulled the sender and found it a useless corroded chunk of garbage from all that good non ethanol gas that remained in it for 20 years.
 
Yep, what it used to take 10 or 15 years for gas to rot can now be accomplished in 2 or three years.

PROGRESS, I guess!
 
Really???
I have never had a gasoline related problem in any of my small engines.
 
It would be nice if people would post a location when they post about fuel problems. I live in east central IN and don't see fuel problems on my own equipment or at my auto repair business. I believe problems like these are caused by additives required on a state and regional basis more than the fuel itself.
 
(quoted from post at 04:23:44 09/04/14) It would be nice if people would post a location when they post about fuel problems. I live in east central IN and don't see fuel problems on my own equipment or at my auto repair business. I believe problems like these are caused by additives required on a state and regional basis more than the fuel itself.

I have had the same thought - the problems must have more to do with differences in the the fuel, not simply due to ethanol. I live in north central indiana and do not have problems.
 
I found the same thing in my '94 ranger, been sitting for years, I had to take the tank off, flush clean and what the fuel did to the internal fuel pump, was amazing, the bottom was some black material, that melted into some really stringy tacky, nasty substance, you do not want to get it on you. Hope like heck its not done it again, I have a proving ground with a few idle vehicles, though I did treat the fuel, time passes so quickly it seems, already know it did the same to my old F150, have yet to pull the tank on it, guarantee its the same, fuel is '03 vintage I'll bet.
 
I live near Dallas, TX and I haven't seen a place that sells gas without ethanol for years. I just had to replace rubber fuel lines on my jeep that was eaten up by the gas. Also the floats in the gas tank for the sending units were made out of plastic. I had to replace them with brass floats because the gas made them crack open.
 
The only gas related issue I've had in 30 years was the local station got a load (or two) of dirty fuel that clogged up the fuel filters in half our company vehicles and several personal vehicles (including my Mercury GM).

The only issue I had with ethanol was the first time I put it in an old 1979 F250 (after 100K of leaded fuel) the fuel pump went out in 10 miles - too munch gunk and deposits from the leaded fuel it had been running. Had to immediately replace the fuel filter too.
 
I've had good luck with Sea Foam, but in my opinion, there is a newer product out that does better, available at Tractor Supply and Family Farm and Home called Ethanol Shield. There is a sister product also available called Mechanic-In-A-Bottle that is miraculous! If you are having problems with a partially plugged carb, I have never seen anything work so well! Also available at the same places.
 
"a few years of rotting gas"

Does that mean that this fuel pump was sitting around in a tank of deteriorating fuel for "a few years?" I don't know what you were expecting.

That SAME thing would happen if you left it sit in gas from the '60s, '70s, '80s, or '90s for "a few years."

I wish I'd kept the rubber fuel pickup from an old Stihl chainsaw that someone gave me, which had not been run since the 1980s, long before ethanol was even considered. It was a lump of gooey, sticky MUSH, from sitting in old gasoline for many years.
 
I also found some fuel line that was sub grade quality from NAPA within the last 5-10 years. The stuff never saw ethanol, as our local gas co had no ethanol gas. This stuff would crack and split at 2-3 years old. Who ever was making it for NAPA, was providing A poor grade of neoprene fuel hose.
 
I read that most of the newer reformulated gas should be stored 30-60 days max. Less than that if it is stored in a clear plastic jug exposed to sunlight. The stuff goes off pretty fast.
 

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