Just looking at the log of the 60 laps stint I did on the weekend and noticed the voltage continually creeped up during the 60 laps. Started on lap1 at 14v which is good and eventually went to 17v on lap 60. I have attached the log for your reference.
Half way through the 60 laps there was a saftey car and the volyage dropped, so it might be heat related.
My question really is: Does the volatge regulator guarantee regulation or is there a variance?