Ed Newman | Jul 06, 2016 9:29 AM My first car was a 1961 Mercury Meteor, which I got for $125 and drove for four years. I have a lot memories associated with that car. One memory has to do with a problem butterfly valve in my carburetor. Sometimes the engine would stall when I was idling at an intersection. When this happened I had to pop the hood and shove a screwdriver down the throat of the carburetor to hold the valve open so I could get it started again and head on down the road. I became very quick and efficient at jumping out of the car to deal with this. The problem was a sticky valve that didn’t open and close as it should have. The valve controls the air/fuel mixture that is essential for an internal-combustion engine to run. Had I known about AMSOIL Power Foam at the time, I would have used it to keep the valve clean so it wouldn’t stick. AMSOIL didn’t exist when I was in school, but engines with carburetors continued to be sol...