Hold your hand over the throat of the carburetor and see if there's good suction on your hand. If there's not much suction your manifold vacuum is too low to suck that fuel into the engine. Could be a leaking intake manifold or worn rings & cylinders. Do a compression test and compare the readings.
If there's good suction on your hand you need to check the gas flow from the tank to the carburetor. Unhook the gas line at the carb and see if there's a full stream of gas from the tank. Catch the gas in a clean container. If there's good flow there remove the tube fitting where your gas line connects and look for a screen. If you have a inline gas filter I would remove it if its not for a gravity flow system.
Make sure your intake manifold isn't leaking. Spray some starter fluid where the manifold is connected to the engine. Do this while cranking the engine and see if the engine fires. Hal
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Today's Featured Article - Trenching With a Plow - by Staff. Introduction: This interesting information came from one of the discussion forums here at YT. We thought we should place it up front so it could be read by anyone interested in putting old iron to work. [Editor] I tried something new today, and it worked so well I thought I should post it - in case it might help someone else. I'm running 100 yards of 4" drain pipe from the gutter downspouts of our house to a pond down the hill. This should hel
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