[Pete Parisetti]

Well, if you gain only hundredths of second, it must be these variations are not enough. And it would be surprising if they were, since you're applying the same method and therefore should get the same results. For example, I don't know if you're in the habit of doing this, but in turn 1, when you press the accelerator twice before really going for it ? That's several tenths right there, garanteed.
Rather than a variation on the same theme, what you need is a new score. Try to reassess every corner completely with the objective to accelerate as early as possible, without hesitation and without gap between the end of your braking and the beginning of your acceleration.

Sorry Pierre, I respectfully disagree. "Several" tenths seems to me an enormity for a brief, partial lift of the throttle. In the hundreds of laps I've done at Zandvoort, there will be many, many times when I totally floored the gas coming out of turn 1, for example, and I never ever saw a gain like that. What I am saying is that I am sure that my technique is far from perfect - otherwise I wouldn't be asking here... - what I still do not understand is the magnitude of the consequences of my errors. Moreover, say that I lose systematically 0.2 per turn - which is really a lot, every turn, every lap... That would put me 2 seconds behind (interestingly, that is where I was with the Seat Leon). Here there are ANOTHER TWO SECONDS beyond that! That' A LIFETIME! I really appreciate your taking the time to listen to my doubts.