Great photos.
Not so sure about the 3-5 second lap time delta between LMP1/LMP1H though.
Jon i wondered as well and found the answer(i think).
LMPH gets 124.9MJ/perlap of fuel energy
LMP gets210.9MJ/perlap
LMPH gets 80kg fuel/hour
LMP gets 110kg fuel/hour
Also the non hybrids weigh 45kg less
This works out roughly the non hybrid cars have 69%more fuel energy!
I hope this explains the lack of different times.The Toyotas don't have it that easy.