Tire size has a great bearing on mileage. Ever wonder why a lot of late model cars have 19-20-21-22" tires. On most, the circumference and diameter of the tire is close to that of a 15" tire. Some may be bigger, but they are lighter. The idea is to cut down the tire size from the rim to the pavement. This is to save weight--tire is heaver then most rims. This is called "unsprung weight" As far as gasoline octane boost, they do what they advertise to do. The only problem, that most people overlook, is that an average small container only boost the octane a percentage of a point. Read the bottle! In other words, you could put a gallon of octane boost to 20 galons of 87 and make it 93. Of course this is a guess aquired from my research. I might note that a lot of people carry a lot of unneccary weight in their vehicles this waste fuel in the long run. I use no oil additives in any vehicle I own because the manufacturer says not to.
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Today's Featured Article - Show Coverage: Central Illinois Strawberry Festival - by Cindy Ladage and Janna Seiz. Every year the coming of summer is highlighted by different events for different people. For some, it is heralded with the end of school, tilling the garden, or completion of the planting season. To us, connoisseurs of find food, antique tractors, farm toys, crafts, and downright fun, the annual Strawberry Festival means summer is here. Every year, in Carlinville, Illinois, the Macoupin County Historical Society and the Macoupin Agricultural Antique Association team up to fill th
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