With the engine off look down in the throat of the carb and open up the throttle and you should see two pretty good squirts of fuel steaming down into the throat. If not more than likely you have a bad accelerator pump. Probably dried out over the years. As far as the nipple on the back put your finger on it while idling and see if you can feel any vacuum. Then bring the rpm's up to about 2000 and see if any vacuum on it then. If you have vacuum at any time on that port you can just plug it off. I believe it was used for the original choke system but that looks to be updated to electric choke now. Also may sure the dwell on the points is right at 28 to 30.
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Today's Featured Article - Hydraulics - Cylinder Anatomy - by Curtis von Fange. Let’s make one more addition to our series on hydraulics. I’ve noticed a few questions in the comment section that could pertain to hydraulic cylinders so I thought we could take a short look at this real workhorse of the circuit. Cylinders are the reason for the hydraulic circuit. They take the fluid power delivered from the pump and magically change it into mechanical power. There are many types of cylinders that one might run across on a farm scenario. Each one could take a chapter in
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