Running a power adder, you're lucky if a blown headgasket is ALL you break when something goes wrong. Lose a fuel pump or get a clogged injector and kiss at least one piston goodbye, maybe more. Let it get too hot and cracked heads will occur in a moment.
"Posterity! You will never know how much it cost the present Generation to preserve your Freedom! I hope you will make good use of it. If you do not, I shall repent in Heaven, that I ever took half the Pains to preserve it."