If one side of the argument has physics calculations, and three performance car expert tests from two different magazine all saying the same thing, and a Boeing engineer, that you are going to take the word of this guys "common sense/everyone knows" and butt dyno?
Antihero
Putting AMS garbage, and $500 ebay wheels on a Z is like dressing a Victorias Secret model in a Walmart dress and Payless shoes. You're embarrassing yourself.