John H:

Tried launch control and clocked 0 - 60mph in 3.7 secs..

Have you used a performance box or similar or just the speedo and a clock? At true 60 mph, the 911 speedo usually shows 63 mph. Smiley


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RC (Germany) - Rennteam Editor Porsche 997 Turbo, BMW X5 M, BMW M3 Cab DKG, Mini Cooper S JCW