If you ran 87 octane and E85 in a 8.5:1 compression engine you would notice a considerable loss in mpg with ethanol. But because of E85's higher octane you can increase the compression to 10.5:1 or more to take full advantage of its higher octane. When you start doing that you make up the losses for E85 having lower BTU's. I'm currently gathering up the parts to build a 12.5:1 E85 Boss 302 for a mustang that I have. I'm doing it just to be different.
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Today's Featured Article - Good As New - by Bill Goodwin. In the summer of 1995, my father, Russ Goodwin, and I acquired the 1945 Farmall B that my grandfather used as an overseer on a farm in Waynesboro, Georgia. After my grandfather’s death in 1955, J.P. Rollins, son of the landowner, used the tractor. In the winter 1985, while in his possession the engine block cracked and was unrepairable. He had told my father
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