Hi There, Im about to do a VR6 conversion on my mk3 8v GTI, and I have a couple of questions! My GTI is R Reg so will be OBD2 I presume. I have manage to source a complete R Reg VR6 as a donor, so hopefully it should all be plug and play, the mileage on the VR6 engine is 155K but I also have a spare OBD1 VR6 Engine aswell which only has 75K on it. So my question is, Can I use the OBD1 Engine (As it’s a lower mileage) and swap over all the Necessary bits to make it OBD2? If so what bits do I need to swap?! Can the OBD1 VR6 Dials be used with an OBD2 Engine? My other question is about the Airb