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 - The Cletrac General GG and the BF Avery A - A Bit of History - by Mike Ballash. This article is a summary of what I have gathered up from various sources on the Gletrac General GG and the B. F. Avery model A tractors. I am quite sure that most of it is accurate. The General GG was made by the Cleveland Tractor Company (Cletrac) of Cleveland, Ohio. Originally the company was called the Cleveland Motor Plow Company which began in 1912, then the Cleveland Tractor Company (1917) and finally Cletrac.
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