Quite right, the best turns for the 1901s are the Neves Corvo pyrites turns, especially the climb out of the mine terminal itself and either side of Canal Caveira.
As for the comment about Rodão bank, that would be 1935 on the PTG tour a couple of years ago - thrash away from Mosteiro over the viaducts, 500m from the tunnel power off, brake a little, then blast on the horn and full wide open through the tunnel - entered at 30kmh exited at 80kmh... How do I know?! Same story with 1913 on last year's PTG tour returning from the Algarve - slow for Pragal station on a yellow, which then turns to green, but no problem, let it roll slowly up to the signal on the curve before the tunnel so speed down to around 20kmh, then full wide through the tunnel with a pure wall of sound before bursting out on to Ponte 25 de Abril doing 85kmh with the Convel singing away as over the limit... Text received from back in the train said 'Not bad...' Never seen a clipt of that section, but I doubt if any microphones would have coped.