Saw a few TDI UOAs at tdiclub including PQ-index UOA at tdiclub
Isn't that a PD engine?
With M1 TDT, it seems the PQ-index equals the ICP Fe or is slightly higher. Also, I found a UOA from another user, maybe with a different engine model, or even a non PD, I don't know. He got some relatively high ICP Fe, while PQ was 8 in both his samples Low PQ - High Fe
Has anyone been able to establish a PQ trend for the PD engine, ideally including a PQ comparison between VW-spec. and API rated oils?
Isn't that a PD engine?
With M1 TDT, it seems the PQ-index equals the ICP Fe or is slightly higher. Also, I found a UOA from another user, maybe with a different engine model, or even a non PD, I don't know. He got some relatively high ICP Fe, while PQ was 8 in both his samples Low PQ - High Fe
Has anyone been able to establish a PQ trend for the PD engine, ideally including a PQ comparison between VW-spec. and API rated oils?