Hold your hand over the throat of the carburetor while a helper makes an attempt to start the engine to see if you have much suction on your hand. Poor suction means low intake manifold vacuum. Could be your intake manifold has a leak. Check the bolts or nuts to see if they're tight. Spray some starter fluid around that area where your intake connects to the engine block while a helper try's to start the engine. If the engine fires you've found the leak. You should do a compression check and compare the readings. Worn cylinders and valves not seating can cause low manifold vacuum. All of this is related. Hal
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Today's Featured Article - A Lifetime of Farm Machinery - by Joe Michaels. I am a mechanical engineer by profession, specializing in powerplant work. I worked as a machinist and engine erector, with time spent overseas. I have always had a love for machinery, and an appreciation for farming and farm machinery. I was born and raised in Brooklyn, New York. Not a place one would associate with farms or farm machinery. I credit my parents for instilling a lot of good values, a respect for learning, a knowledge of various skills and a little knowledge of farming in me, amo
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