Posted by the tractor vet on April 23, 2009 at 12:21:27 from (75.19.124.161):
In Reply to: 806 Oil in Coolant posted by chadd on April 23, 2009 at 10:36:28:
Al wright here what tractor we talking about the 806 or the 966 ?? If ya have oil in the coolant then it is most likely the oil cooler If you are getting compression in to the rad on a 806 it is most likely the head gskt . IF you have coolant in the oil thenit could be the head gskt But before i started pulling the head i would drop the pan and pressure up the rad to about 18 lbs and start looking up. IF we are talking about the 966 then first i would pull the oil cooler and have it tested and if it is bad then replace it IF not then put it back on and drop the pan and pressure up the rad and look up and see where she is dripping from Could be pin holes in the sleeves . As for a barnyard mechanic rebuilding aD361 in and 806 there is a lot that has to be done and it really is not the job for the average guy . With the years on that engine and the nature of that engine and in chassis is not the way to go . As over the years they have core shift and to get away from that it is wise to rebore the block .010 and install the 10 over sleeves . I myself like to have it done by someone that can line bore the bottom end then set up off the center line of the crank bore and true center bore the block. . This way when it goes back together everything is in line . Then the sleeves must be pressed in NOT BEAT IN WITH A BLOCK OF WOOD AND A HAMMER . Then ya got to mic. all the bores along with the pistons and FIT each piston to each hole with the proper clearance as when the sleeves are pressed in ya still get wrinkling of the sleeve and this must be honed out . And here again ya need the proper hone and bore gauges and mic.'s. Now the engine on the 966 is much more forgiving and if the crank is good and does not need turned then that one can be done under the apple tree .
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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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