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I already have an "ignition box" containing a standard 12 volt automobile coil, which is wired appropriately with two leads and a high tension wire. It runs in conjunction with an extra 12 volt battery that I have had for years. Since I have 8 or 10 different engines, all single cylinder, with their own points and condensers, I can "plug and play" whatever engine I want into the "ignition box". I did this because coils are expensive at about $50 each. i don't want to buy an electronic ignition nor a special coil. I think I can probably make a "splitter box" out of non conductive material which has the coil wire connected to one port, with two separate ignition leads coming out of it, one going to each sparkplug. I see no reason that wouldn't work. Has anybody done that?