Setup and Data for the Oreca LMP2 (Gen2) on Mosport in AMS2

LMP2
The most interesting part on almost any car surely is the differential, which allows you to adjust the car in all potential cornering phases. 

Here i dialed it in so that the rear would rotate on entry, but just about not step out too much, while on exit you will feel it gripping up and pulling itself more to the inside. Perhaps more downforce would be even better, but straightline speed is not irrelevant here for the race. With more fuel, you'll likely want to check the balance and potentially counter the resulting oversteer with either a click of wing on the rear or lowering the rear ride height further. 

Mosport
Fast corners and an abysmal hairpin - usually the compromise is to go all in on the high downforce turns and somehow deal with the hairpin as a driver. I've gone for soft ARBs but stiff springs here to somehow get both things right. For Qualifying the medium slick is the better one - for a single flying lap. In the race, surely you'll need the hard tire. Whats great about downforce is that the faster you go, the more you get. You really have to send it in the fast turns and the car will somehow stick. 

Driving

• Initial braking can be harsh, but needs trailing off the brake right after as the downforce quickly drops
• unless you throw the car in too harsh the car will be stable to understeer when coasting - that means you want to be back on throttle as soon as you are off the brake and the car will keep rotating
• TC1 is fine, but for ultimate laptime, turn it off for the fast corners, as it still engages too much

Adjustments

• start with the differential if any behavior is not to your liking. Less coast degree for more stability into the turn. More power degree for less oversteer on exit
• remove front wing if car is too aggressive in fast turns for you (or add rear wing)
• if slower corners are too sketchy, stiffen front roll bar (small impact), also more coast locking (lower degree or more preload) help here
• of course adjust brake bias to the front if car is difficult under braking, but I feel its already quite far forward

Fuel

In Q the car needs about 2.03 L per lap. Likely a little more in the race as the straights become longer. Calculating with 2.2 per lap should be more than safe. 

For the race I'm expecting the balance to be slightly forward with fuel, so perhaps already account for that with the changes above.