Hello people kinda gutted think my engines gone on the VR it's badly missing it was running perfectly fine until I got the spark plugs/coil pack and ht leads changed, I used all brand new parts so I wasn't sure what had happened so I took it to another garage and had it compression tested, bad results as it was down more than half on 2 cylinders. I have been told that the compression on vr6 cylinders should average at around 160-170 psi, 4 were fine but the top two were running at 80 psi. I've Been advised by him to source a new engine but if any1 has any information that could help me It woul