STOU has been and gone, it came on the market in the UK in the mid to late 1960s, and was fine for most tractors built up untill the early 1990s. I have used this oil for years and never had a problem when used where reccomended. Now we are going back to dedicated, separate, engine and transmission oils now that powershift and IVT transmissions are the norm. Great in all the MF tractors exept for the power steer, Ford thousand sereis, and David Browns, and John Deeres up to the 6000 range but you could not use it in I-H tractors that needed Hy-tran. Now we use JD Hy-Guard in the Deeres, which goes in the older tractors that origionally used STOU oils. Check the specs and use where reccomended, this is not new by a long shot and has been well proven over many, many, years.
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Today's Featured Article - Earthmaster Project Progress Just a little update on my Earthmaster......it's back from the dead! I pulled the head, and soaked the stuck valves with mystery oil overnight, re-installed the head, and bingo, the compression returned. But alas, my carb foiled me again, it would fire a second then flood out. After numerous dead ends for a replacement carb, I went to work fixing mine.I soldered new floats on the float arm, they came from an old motorcycle carb, replaced the packing on the throttle shaft with o-rings, cut new ga
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