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bakerman #1455067 Tue Jun 14 2022 12:00 AM
Joined: Mar 2010
Posts: 1,968
They absorb any extra water such as from when fuel separate begins and moisture from the atmosphere, but there is a limit on how long this absorption works.
Theoretically you would eventually run your engine and burn it off.
If left unburned you have water absorbed by the Ethanol and water absorbed by the additive that breaks down to even more water.
Think of it this way, if additives were the ultimate answer, it would be added-in at the terminal where the Ethanol is added to the non-ethanol gasoline.

"Adding CFM to a truck will only help at engine speeds you don't want to use."
"I found there was nothing to gain beyond 400 CFM."
bakerman #1455114 Tue Jun 14 2022 02:00 PM
Joined: Apr 2019
Posts: 147
JD1 Offline
I have much less problems in my old trucks and my boat if I use ethanol free gas.
I found this website which has a list of gas stations that sell ethanol free gas. I wish there were more stations that sold it.

1951 Chevy 3100 1/2 ton (1957 235, 4 speed, 411 rear)
bakerman #1455231 Wed Jun 15 2022 05:21 PM
Joined: Nov 2000
Posts: 2,089
Thanks JD1.

Professional Novice
Rich'sToys #1456955 Thu Jun 30 2022 04:20 PM
Joined: Dec 2018
Posts: 2,586
Rich's Toys Our local Casey's had ethonol-free and about the time I wanted to fill up for winter they stopped having it !! Another way is gas up at the airport on 100 octane lo-lead no ethanol but would be expensive. I have used that in 2 cycle stuff and it worked fine,it's about double pump gas prices so that kinda bombed for now.

bakerman #1457012 Fri Jul 01 2022 12:04 AM
Joined: Jul 2021
Posts: 84
Since E free fuel has been offered in the PNW, I've used it in everything I have in WA and MT. Saves hard starts, draining bad fuel and carb rebuilds on everything.
About 40 cents a gallon more, but even high octane could give me a pre Ignition knock every once in a while, but I also get a bit more MPG now.

'51 Chevy 3600 5 window
C4 Corvette front/rear suspension & drivetrain
Everything else looks old and stock

'92 GMC Sonoma GT #15 of 806
'91 GMC Sonoma GT Extended cab 1 of 1

Trucks, Trucks.....and more Trucks
bakerman #1457049 Fri Jul 01 2022 01:42 PM
Joined: Jan 2014
Posts: 3,137
I use non ethanol exclusively in my 2 stroke equipment. I will use ethanol blend in the zero turn during busy summer months when I know it won’t sit more than a few days at a time. But switch back to the non E in the fall.

The 51 truck gets nothing but non E.

bakerman #1457058 Fri Jul 01 2022 04:18 PM
Joined: Aug 2001
Posts: 5,464
I do the same thing JW. We are lucky to have a Casey’s in town that has a separate nozzle for 91 non ethanol.
Other than daily drivers, I use that in all the rest of the toys my wife made me buy.


Of all the things I've lost in my life, I miss my mind the most!

1967 GMC 9500 Fire Ladder Truck
"The Flag Pole"
In the Stovebolt Gallery []
'46 2-Ton grain truck
'50 2-ton flatbed
'54 Pontiac Straight Eight
1954 Plymouth Belvidere
'70 American LaFrance pumper fire truck.
1976 Triumph TR-6
bakerman #1457060 Fri Jul 01 2022 04:29 PM
Joined: Mar 2010
Posts: 1,968
This is for fun.
So you drive up to a gas station in your original AD truck.
You want gas without Ethanol but which button do you press?
Remember what "Hot Rod Lincoln" told us.

Maybe this will help (if I counted correctly):
E85 (two buttons)
E15 (three buttons)
E10 (twelve buttons)
Non-Ethanol (one button)
Diesel (one button)

Attached Images
Gas Test.jpg (105.75 KB, 226 downloads)
Last edited by buoymaker; Fri Jul 01 2022 04:41 PM.

"Adding CFM to a truck will only help at engine speeds you don't want to use."
"I found there was nothing to gain beyond 400 CFM."
bakerman #1457280 Sun Jul 03 2022 03:02 AM
Joined: Jun 2022
Posts: 3
New to the Stovebolt website, hello to all. When my 67 GMC Super Custom with 305E V-6 was running prior to the spun rod bearing which put it out of commission i ran regular w/ethanol also with no problems. I use to add lead substitute when I filled it up sometimes when it was available, made me feel better. Sometimes Id put in higher octane fuel for the same reason. Since my GMC is not running I'm driving my 66 Power Wagon w/318 using the same fueling habits -the lead substitute and it runs good. Makes sense to me that condensation could cause problems throughout the fuel system over time, hope the carburetor kits for these trucks are still available in the future.

67superc #1457297 Sun Jul 03 2022 11:25 AM
Joined: Dec 2018
Posts: 2,586
67superc Welcome to stovebolt,used to take care of a fleet of Gimmy's ,I thought GMC was pretty sharp to put one little valve in the floor of the intake to get crankcase ventilation. you probably know to watch out for rocks getting thru the spark plug holes in those manifold pockets.

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