I used to put a lot of perfect circle valve seals on those engines, and with wear the rocker arms will throw more oil on valve guides than when they were new. The compression rings do indeed have alot to do with oil comsumption, IH several times over the years changed only the compression rings to help control oil consumption. That is why they make several different types of compression rings like barrel face, taper face, torsion grooves in inner and or outer side of ring. Install a taper face compression ring upside down and watch it use oil.
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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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