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  1. M

    Hit and Miss Design Ratios

    I am considering building a Hit and Miss engine of my own design. A few starting questions: What is a good Bore to Stroke Ratio? What is a good Connecting rod to Stroke Ratio? I would be using 5.5" Flywheel diameter.
  2. M

    Odds and Ends Engine Runs

    I just got my new Odds and Ends engine to run. Still need to do some tweaking to timing and setting governor springs. I use a set of points from NAPA. This is only the second from scratch engine I have built. I have only had my LMS Mill and Lathe for a little over a year. Most of the...
  3. M

    Upsur Vertical Starts, but dies within 20 seconds

    I am very new to engine building. I just finished an Upsur vertical pump engine ( my first IC engine), I have been trying to get it to run to no avail. It will start and run for about 20 seconds and die. I tried it on both gas and Coleman fuel no change. I tried using vapor carb and a fuel...
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