A 340 has an engine design with wet sleeves. The method is to have the crank set so two are up and two are down. Remove the rod caps, and take the piston and cylinder out at the same time by driving them upward with a 2"X2" stick of hard wood and a mallet from below. Be careful not to nick the crank with the loose rod big end. Once they are an inch out, they are out. Clean the grooves for the O rings very well, and use new O rings lubed with silicone grease, or straight dish washing detergent. Make sure the rim relief in the deck of the block is also very clean. A bit of LPS corrosion inhibitor sprayed in that recess is good. JimN
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Today's Featured Article - Box Plow Blues - by Tom Schwarz. One of the first implements most tractor owners obtain is the box plow. For very little money, this piece of equipment promises to plow and flatten any hill or vale on your ranch road or farm. At least that's what I thought! As simple as a box plow appears, it can be rather challenging to make work correctly. In our sandy soils of Florida, traction is king. You can never have wide enough tires or heavy enough weights to get all the traction you want … unless you own a monster tractor. U
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