I have a spark combiner which combines two coils to one wire to the distributor. One of these days when I get 1,000 other things out of the way I want to add two optical pickups and drive two coils with two EIs. That would make an underway EI failure fixable in 5 seconds by flipping a switch
I am not 100% sure if the combiner is intended to run both at once, but before I get around to this project I will find out.
My goal might look like this:
