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Date: 01-31-2026
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Number of Hours: 2.00
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Short Description: FWF #52 - Spark plug wires installed
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In the final session of the day, I focused on installing the ignition wires. This task had three main objectives: to run the longest wire to the farthest location and so forth, to supply all four cylinders with pulses from both PMags (top and bottom), and to connect the ignition wires to the correct cylinders as indicated on the engine and PMag.
For the right PMag, which is positioned upright, it was straightforward to identify that the posts for cylinders 1 and 2 are on top, while cylinders 3 and 4 are on the bottom. I connected the 1 and 3 wires to the bottom of their respective cylinders and routed the 2 and 4 wires to the top. Consequently, the left PMag manages the 2 and 4 bottom cylinders and the 1 and 3 top cylinders. Since the left PMag is installed nearly upside down, it required some careful thought to ensure the wire-to-cylinder mapping made sense. I conducted a thorough quadruple check to confirm that all wires will fire in the correct order during engine operation.
Another time-consuming step was running the ignition wires through the firewall pass-throughs, which necessitated locating the appropriate installation hardware and wrenches. I also considered "coloring" the firewall pass-throughs with Sikaflex primer, which is black, to provide a cohesive look that matches the baffle. The black primer adheres well to various surfaces, but I will take some time to think that over. Lastly, I used some spark plug wire separators donated by Bob to neatly organize the wires and enhance their appearance.
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