Twenty-four seconds. That’s what the changes to the GT3 RS add up to. Around the Nurburgring, of course, those 24 ticks of the stopwatch’s second hand are incredibly significant. They make the new RS into a sub-seven minute car, recording 6 minutes 56 seconds around Germany’s Green Hell. That’s fast. Ridiculously so. Surprisingly, too, even to Andreas Preuninger, Director GT Product Line at Porsche who reckoned it’d gain 10, maybe 15 seconds over its predecessor, a car that nobody would ever describe as slow.