Using the data from Alkamel Systems' website, I plotted:
- Time Card data from Alkamel Systems
- Four cars #25 (BMW M6 GTLM), #911 (Porsche 911 RSR), #66 (Ford GT GTLM), #3 (Corvette C7.R)
- Only laps where MAX lap time was under 124s (which is ~5 off fastest lap pace); this eliminates outliers and laps where there were other issues)
- Plotted trendlines for 5 lap moving average
(click for full version)
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The problem is obvious from this graph. Looking at fastest lap times doesn't tell the whole story. When you look at the moving average over time, the M6 GTLM is way,
way off the lead pace. I noticed that when the M6 GTLM gets in to traffic, it's not able to hold pace while running off line. Basically, you need perfect conditions to turn fast laps in this car. The drivers must really be frustrated.