On a hot and humid night in May, RENNtech arrived at Palm Beach International Raceway’s drag strip with a brand-new Mercedes-AMG GT 63 S 4-door Coupe. The menacing family “sedan” had left the factory in Affalterbach, Germany, with the AMG developed 4.0L (M177) twin-scroll BiTurbo V8 engine 681 HP and 736 lb-ft of torque (dyno […]
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