Originally Posted by UNKNOWN_370

If 17% is the magic number? That means the Z is overrated. Crank to wheels its supposed be 15%. I'm guessing the british 326hp at the crank is the right number???

Very interesting. The genesis coupe 3.8, is underrated by 20hp. It runs 306 but runs about 280hp at the wheels. We run 326 at the crank as well. Crazy how much faster we are considering realistically, we are running the same exact power.