All good idea's BUT Think about this . a plain old 450 gas head and a set of high alt. pistons not many know of theses and i know of only one place to get them . BUT let me tell ya ya want pony power they will get you there . for the stock class . They are alot better then the fire curator or sept heads . I have one S/MTA with these in it and it will put the best running 706 i have to shame . and darn near equal my 806 . This tractor was done many years ago and out performed many 560's . What the old man that did the work the first time after this tractor burnt under a corn picker was to BUILD it and what they used was the 450 gas head a 450 intake and exhaust manifold a recurved dist. a 450 carb and at the time a 450 cam . It ran for forty years before she got tired . and it ran better then my S/MTA and mine runs good . When i pulled her down i found pistons that i had never seen before and the customer wanted it to run like it use to . so i went on the hunt and i know lots of people . ONE OLD guy that i know deals in I H parts and i asked Clyde about these pistons and he told me that they are above 8500 ft. high alt. pistons and yes he can still get them as i just talked to him last week and he is still alive at 91 . Vernon's S/MTA will do 92 .4 Hp at rated PTo and peak at just shy of 100 Hp. . No he does not pull it he farms with it and grinds feed with it . i have seen it pulling 4x16 oliver plows at 8-10 inches deep running high third and not even really opening the gov. I have seen it blow the gear box out of a I H forage chopper in second gear in good corn . If it had a 1000 rpm pto i am sure it would run the 782 new holland chopper .
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Today's Featured Article - Oil Bath Air Filters - by Chris Pratt. Some of us grew up thinking that an air filter was a paper thing that allowed air to pass while trapping dirt particles of a particles of a certain size. What a surprise to open up your first old tractor's air filter case and find a can that appears to be filled with the scrap metal swept from around a machine shop metal lathe. To top that off, you have a cup with oil in it ("why would you want to lubricate your carburetor?"). On closer examination (and some reading in a AC D-14 service manual), I found out that this is a pretty ingenious method of cleaning the air in the tractor's intake tract.
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