Originally Posted by jon@work
check your head gasket
Pressurising the system sounds possible

as i get a lot of shit out the back on boost and it uses a lot of oil
i'm using a cometic gasket and thinking about it its been shit since then so a leak it could be..
Question: when removing the plugs to see down the bores mine are wet/oily deposits is this another sign or usual???
cheers guys grey cells are working now

i would say it is the gasket