Originally Posted by OrbitalEllipses
I think the stupidest one I saw was one of Visconti's tune of AP. Dyno queen tune, over 500hp, torque and horsepower absolutely linear.
This kind of view of a torque curve is silly. You can flatten the curve to make it look more linear but you'll be losing area under the curve. A properly utilized, maxed out turbo will always have a dropping torque curve to maximize the turbo at every RPM range.