I stated above I calibrated my G-Tech at a drag strip. Once you do that you can make changes to your car and don't have to go back to the strip. It is worth doing.
Also - the drag strip starts timing as soon as the start beam is broken. You need to stage with zero roll out to get the most accurate readings from the G-tech.
RarlyL8 Motorsports / M&K Exhaust - 911/930 Exhaust Systems, Turbos, TiAL, CIS Mods/Rebuilds
'78 911SC Widebody, 930 engine, 915 Tranny, K27, SC Cams, RL8 Headers & GT3 Muffler. 350whp @ 0.75bar
Brian B. (256)536-9977 Service@MKExhaust Brian@RarlyL8