Sorry it's a bit dark, but this shows how to make sure your V8 is going to fire on number one cylinder. It shows how to make sure your timing is not 180degrees out. It applies to any engine, not just Flatheads, 4, 6, or 8 cylinder.
Erratum: You can't assemble the crab distributor itself 180 degrees out, but you can do with a Lucas one. Don't ask me how I know that...
There's a link to a later video on the same subject at the end of the video.
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