So, for the past 6 weeks i have been cleaning the idle 55 jets on my two weber 40s 30mm vents. Ive cleaned out the clear jelly from the tank to were the car is drivable but cannot get it to last more than about 20 miles when the webers develops poor idle transition. The mains 130 run fine. All plugs are a light tan. After i cleaned the tank it does drives much better, but it stills does not rev through the idle circuit properly after every carb cleaning and a 20 mile drive. I'm just pumping more gas/water into my tank.
I seem to be in an impossible situation since after only two fill ups, I can see the water droplets in the bottom of the tank, again.
The car runs great after i blow out the idle jet and mixture circuit.
In fact i can tell which jet is clogged just by twirling it's mixture needle
and not getting an engine rpm response at engine idle.
So, can someone respond, please, with how they are dealing with this
ethanol fuel?
my search is leading me to a boating marine solution, maybe.
Frank in RI
73 2.0 stock with webers
If the idle jets are clogging it sounds like solid contamination rather than water. You might try taking the gas tank to a radiator place, have the tank boiled out, flush out or replace all fuel lines and install a really good fuel filter. If you are sure it's a water problem, there are some additives you can get to help with that.
I've used SeaFoam for my gas and diesel tanks, but never anything on the 914s.
Buy better gas
Clean the entire fuel system
add a filter right before the carbs
add seafoam to the fuel
buy a fuel water separator
Years ago, I had a friend that had a new Toyo pickup. She had water in her gas tank. The vehicle was only a few months old and purchased new. She took it to the dealer. It wasn't the vehicle, it was the gas station. It was an old gas station with broken underground fuel containers she used reguarly. The water was already in the gasoline they were selling. After successive fill ups the water built up in her gas tank until the truck would no longer run. The problem started out as loss of power, then stalling, then not running at all. This is why I never use old gas stations. I go to new stations or stations that have been remodeled and had the containers dug up and replaced.
P.S. the dealer wanted about $600 to drop the gas tank. We fixed the problem with an old piece of garden hose.
Cut a piece of old hose long enough to reach the bottom of your fuel tank and a few extra feet
Insert hose all the way to the bottom
Blow into hose; Don't suck. You will have to tape off opening around hose to trap air and create and build air pressure.
Once you have enough pressure, the fuel will back flush into the hose and flow out of the hose
Collect the fuel and see how much water is mixed in. She had about 50 % gas 50 % water
Refill with fresh premium fuel and pour in additive that removes water contamination. Repeat a few times.
After a few fill ups the truck was just fine.
I empty water out of my fuel filter on the diesel!
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