RC:
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

I didn't use a performance box as such... but a GPS device nevertheless.  The variation between this and the speedo is indeed 2 or 3 mph. Smiley

 

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"Things turn out best for people who make the best of the way things turn out."