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Sinitro, good info. My take on this is to use a matched coil/ballast combo preferably an E coil & maybe one (FBO?) that I believe needs no ballast to get a hot of spark with however much decreased longevity your comfortable w (more power=less life) and a $15 parts house 4 pin ECU to switch it tho the ECU is just a switch it can only switch so much current on/off just like the points it replaced

this pretty much where i'm at right now except i don't know why the OP boiled his coil when he had the matched BR and coil. and why is the voltage/current ok for my MSD ECU without a BR but not ok for a MP ECU?