I know an engineer on RR that hauls gas from the Robinson, Ill refinery. He asked worker at refinery, what's the difference between minimum EPA gas requirements and Top Tier? Answer, top tier has more detergents in it. Next question, Is there any difference in the detergent added for Marathon, Shell or 66 gas? Answer, No, it all the same detergent as the detergent used for minimum requirements just more. Now it's possible once the fuel gets to the gas station, the top tier gas stations may add more. I asked the delivery truck to my local Marathon if he added anything to the gas, NO!
I'm convinced it worth adding detergent to gas. My old 2007 GMC with 100K doesn't use oil. I've been changing my own oil at 3K and oil looked black. This time after using top tier gas, oil looked good at 4k. I changed it a day before winter arrived.
My old 2005 buick, 100k and doesn't use oil, I didn't use top tier gas in it and the oil looks very black at 2.5K. I might save money if I took the oil out of my truck and put it in buick. New twist on changing oil, from truck to car.
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Today's Featured Article - The 8N and the Fox - by Zane Sherman. Dec. 13 1998, Renfroe, Alabama. Last niht I dreamed about the day that I plowed the field of about 10 acres over on what Jimmy and Dandy called the Ledbetter field. I was driving the 1948 8N Ford tractor that Jimmy bought in 48 new This was prebably in about 1951 and maybe even befor the house was built. This would have made me to be about16 years old and I drove the tractor for nothing and would have paid to drive it if I had had any money which I didn't, but neit
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