FBO's black HEI ignition box

Oh, I do think......
Try it sometime..........
Miller is doing his bit of 'creative' thinking to push his product.
The fact that MSD use their primary amperage because it looks bigger is neither here nor there. Just advertising. What matters is what the spark plug sees & the MSD produces more current & more energy than Miller's mag. Get IT now?
If you knew anything about magnetos, which you don't, you would know that there are a myriad of combinations of magnets, magnet material, turns ratios & designs that affect final output v input.