Not quite true. The refineries will blend in the additives in the desired amounts for each company they bottle for. So if you and I were both selling oil under our own brand names I could elect to add just enough of the required additives to achieve minimum standards while you could elect not only to go over say 10% for better protection but you may chose to put in other optional additives that I don't. Sure I can either sell for less or have a greater profit margin but in the end my customers who wish to get the max usage out of their vehicle/lawn mower/tractor don't get the extended life they would have gotten had they purchased your oil. That info comes from a petro chemical engineer I went to high school with. I'll take his word for it. I was visiting with him just yesterday as he's in the area on vacation.
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Today's Featured Article - Grain Threshing in the Early 40's - by Jerry D. Coleman. How many of you can sit there and say that you have plowed with a mule? Well I would say not many, but maybe a few. This story is about the day my Grandfather Brown (true name) decided along with my parents to purchase a new Ford tractor. It wasn't really new except to us. The year was about 1967 and my father found a good used Ford 601 tractor to use on the farm instead of "Bob", our old mule. Now my grandfather had had this mule since the mid 40's and he was getting some age on him. S
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