I installed the internal rectifier plate, even with no instructions, and it works well. I wish these would be offered as a separate upgrade for existing engine/generators that came without them.
I tried the generator as the sole ignition electricity source for my CISON V8 and it does operate the ignition system even when only the starting motor is turning the engine. However, in bench testing, I found the generator could easily exceed 20 volts so I will not use it again until I get the voltage regulator that is offered (I have one on order) so as not to risk damage to the CD igniter.