Diesel won't run worth a darn in an 8 to 1 spark ignition engine due to detonation. Detonation is what broke the pistons on the previously mentioned gasoline engine fuel with diesel. That is why all fuel engines have an 4 to 1 compression ratio to operate on diesel. 16 to 1 is used with a diesel engine for two primary reasons. #1 cold starting. #2 Higher mechanical efficiency on the power stroke. I was assuming you understood the basic fundamentals of the Otto cycle gasoline and diesel engines. How do you think they operate 11.5 to 1 compression ratios with 87 octane gasoline in direct injection spark engines?
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Today's Featured Article - The Nuts and Bolts of Fasteners - Part 2 - by Curtis Von Fange. In our previous article we discussed capscrews, bolts, and nuts along with their relative hardness and thread sizes. In this segment we will finish up on our fasteners and then work with ways to keep them from loosening up in the field. Capscrews, bolts and nuts are not the only means of holding two parts together. When dealing with thinner metals like sheet tin, a long bolt and
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