Got some baselines at the 1320 now some help

TrailBeast said
Going lean at the top of third is a fuel supply volume issue, isn't it?

(kind of like a plugging up fuel filter acts)
I'm not saying it's a fuel filter plugging up, but the same effect (inadequate volume at the highest demand)

I have seen cars run out of fuel (emptying the flote bowls, then pic back up when the they start filling again. ??