Mercedes Engine Problems

P porpoising does not show up in a one tunnel an, a simulatoranyor whatever. Most teams have had the problem with that, but mercedes seems to be struggling with it more than anyone. They are losing so much time on the straits. It's ridiculous. Andi, it cannot just be down to the power unit. There is got to be some aero drag issue. The only problem is, they know the drag's not coming from the side pods because ther zero. So where else is this issu coming from? Of course, i don't have the data that the engineers have,. But if all mercede's powered cars are towards the back, and