Any one heard of a 8 commercial champion spark plug. Was the plug of the day in the 50's. All the parts houses subbed to the D-16. I had some disagrements with them so wrote to the champion spark plug company and they verified my claim the 8-com was slightly different than the D-16 in heat range but apparently IH had a lock on it so they didn't supply them to auto parts stores. Still have that letter some where in my old files. The D-15Y was the one that IH went to to replace it for normal service and D 18-Y for lighter service. I use the D-21 in a lot of the engines now that don't work hard for any length of time with good results.
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Today's Featured Article - Threshin Demonstration - by Michael Delaney. Introduction I bring you greetings from Prince Edward Island, Canada. We are Canada�s smallest province but big on farming. Maybe you�ve heard of us. Potatoes are our biggest crop. However, there is lots of mixed farming here also. I have a small mixed farm with 25-30 cattle. I make very good use of old machinery. I have a 135 MF Diesel, Farmall H and 1/3 share in an Allis B. I have complete lines of tillage and harvest equipment, and a saw gear etc. I have everything one would
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