if the valve guides aren't worn out and valves and seats arn't worn or pitted to bad you can lap them and they will work fine, the way i do them is clean them up with wire brush on the bench grinder,the head with a wire brush on a drill, be sure to keep each valve in it's same position,quick way to lap them is to chuck the valve to be lapped in a 3/8 drill about 1/4 inch above the guide so you can move it in an out while it spins, apply lapping to valve contact surface run drill about half speed while moving the valve in and out with light contact pressure until you clean up the contact surfaces they won't shine like the been ground but the surfaces are lapped to match each other, be sure to lube valve stems before you attach the drill.
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Today's Featured Article - Harvestin Hay: The Early Years (Part 2) - by Pat Browning. The summer of 1950 was the start of a new era in farming for our family. I was thirteen, and Kathy (my oldest sister) was seven. At this age, I believed tractor farming was the only way, hot stuff -- and given a chance I probably would have used the tractor, Dad's first, a 1936 Model "A" John Deere, to go bring in the cows! And I think Dad was ready for some automation too. And so it was that we acquired a good, used J. I. Case, wire tie hay baler. In addition to a person to drive th
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