Gotta remember that these old carbs have two distinct and separate circuits.
Make sure you set the points and the timing FIRST before you start on the carb and do it in that order. Then.........
Adjust the low side speed screw to get the initial idle speed. Clean it up with the low side mixture screw and then finish up by re-adjusting the low side speed as necessary to give you the proper idle.
Adjust the high side mixture as required to "just" give full power at open throttle.
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Today's Featured Article - Memories of an IH Super A When I was ? up to 10, I worked on my Papaw's farm in Greeneville, TN every summer. As I grew older (7), it was the thrill of my day to ride or drive on the tractor. My Papaw had a 1954 IH Super A that he bought to replace a Cub. My Papaw raised "baccer" (tobacco) and corn with the Super A, but the fondest memory was of the sawmill. He owned a small sawmill for sawing "baccer" sticks. The Super A was the powerplant. When I was old enough (7 or 8), I would get up early and be dressed to
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