Yes its the factory head, I did not reject the carb but i did have to drill out the bottom 2 holes on the meetering steam and i also open up the main jet with 1 numbered drill bit size bigger than what fit threw the hole. I also have the motor running at 28-2900rpm. You also have to retard the timing to get rid of preignition, i run 94 octane gas and bumbed my timing up alittle, You really need to be on a dyno to set these things to get maximum power. Also the turbo set up will show you just what kind of shape your motors in. They sure sound sweet though.
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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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