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 - Earthmaster Project Progress Just a little update on my Earthmaster......it's back from the dead! I pulled the head, and soaked the stuck valves with mystery oil overnight, re-installed the head, and bingo, the compression returned. But alas, my carb foiled me again, it would fire a second then flood out. After numerous dead ends for a replacement carb, I went to work fixing mine.I soldered new floats on the float arm, they came from an old motorcycle carb, replaced the packing on the throttle shaft with o-rings, cut new ga
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