A compression check is done with a screw in compression gauge. If you don't have mechanics tools, you will. A good compression tester from a real tool company will be in the area of 35$ to 100+ bucks, Craftsman for 58 is pretty good. The engine has all plugs removed. The coil is disconnected (the distributor side of the coil is a good place to disconnect) The Throttle is open wide Fuel shut off is off Fully charges good battery to spin it fast. Put the tester in #1 cylinder (front) Crank the engine for 5 compression strokes (you can hear it easily) Look at the gauge and record the data on a tablet. Do the same for each cylinder. Use a squirt oil can and put three squirts of engine oil in each spark plug hole, spin the engine with the starter to spread the oil Repeat the test now. Report back to us for diagnosis. Generally the compression should be (IIRC) 140 to 160 PSI If uniform, (within 10 % of each other) that is also good. Jim
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Today's Featured Article - Show Coverage: Godfrey, Illinois Country Days - by Cindy Ladage. Except for last fourth of July's Old Gold show in Springfield, Illinois, I don't remember when it was so hot. Nevertheless, the heat didn't keep vendors and visitors alike from enjoying the third annual Country Day's Event. Jane Elliott said the event was originally a one man show. "Barry Seiler, owner of Country Town Farm Supply store used to invite people up to the Johne Deere store. He would give hats and a free meal for everyone that brings a tractor." Elliott said while this
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