Ok, well after tearing apart 3 cas’s and 2 dizzy’s I think I have come up with something interesting. Direct fire leading and trailing with a waste on the leading plugs (for the fans of waste spark), an adjustable trailing split from 0 - max desired degrees and mechanical timing. Oh and it all fits somewhat nicely in a cas just need a custom cap made. Or if you wanted to you could wire up the coils up in a way to fire leading and trailing simultaneously twice during the same power cycle at an adjustable split. So 4 direct fired split able sparks.

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sounds pretty interesting. i guess i'll need to read some and brush-up on my ignition systems though because a few of the things were lost on this "old" gray matter. have you tested it?