You are working with a engine that was designed to burn a low grade fuel. Raising the compression and not using a fuel to balance that will lead to gasket failure. Magneto couplers on those tractors had a 35 deg. advance. You will need to change that to around 25 deg.coupler so you will have some range on your timing. Unstyled "A" has spots in the head that flex & will eventually lead to gasket failure.They need to be reinforced. I personally don't care for copper gaskets. I usually "O" ring the block & head at slightly diff. dia. which gives it a lasting crimp on the stock metal faced gasket. "O" ring wire protrusion should be .005 - .006. If you can come up with better quality head studs it will make it a better job. Email me & I can walk you through it.
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Today's Featured Article - The Day Mom Drove the 8N - by Brian Browning. My Dad was wanting to put in a garden but couldn't operate the 8N and handle the old horse drawn plow he had found and rigged up to use with the tractor. Well, he decided to go get Mom out of the house and have her drive the tractor while he walked behind the plow. You got to understand that while my Mom is a hard worker who will always help whenever she can... she had never operated farm machinery before that day. Dad got her out there, explained how the clutch was the same as in our o
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