The main thing that stress the head is not allowing the engine to warm up before using it and not allowing it to cool down long enough before shutting down . And always shut down on the diesel side . Switching back to gas only heats the head back up. Now as to how much to twist the screw do it a half turn at a time till ya feel your comfortable with the set . When i had my 450 D i had put center punch marks on the threads for several different settings and this was done while the pump was on the pump stand . I ran mine at around 75-80 Hp. for farming and for the pulls it was backed way out . Yea she did smoke while plowing as one neighbor said he knew how many rounds we had made in the field on a still day by the rings of smoke hanging in the air.
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Today's Featured Article - A Farmall Restoration Story - What's Been Done So Far - by Sean Brinston. This is a story of my first real tractor restoration. My name is Sean Brinston and I was 15 almost 16 at the time of this.My neighbour directly across the road who I had helped with hay all the time had this tractor sitiing at his house for what I thought was 6 years. Finally I got the money and courage to ask him. I phoned him and he said it was already sold, eight years ago!
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1965 International Harvester McCormick Farmall cub tractor 2,500. Two owner tractor. My grandfather bought new in 1966, then we inherited it. Have all the paperwork original manual and all maintenance records. It starts and moves. Comes with underbelly mower, plough, and some other attachments.
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