We had a 2004 GTO to strip test in Southern California ... torque and mathematically calculates horsepower from that. So gear ratios in the trans and rear, the converter stall speed and tire ...

Pontiac's new GTO and the Mercedes-Benz CLK55 AMG represent ... It offers Sport, Comfort (Winter), and Manual modes. Gear and rearend ratios are perfectly matched to the engine's power curve ...