Hi all I've recently put a 5e engine in me car which has been a good motor till now I started the car up and it chucking loads of white smoke out I have pulled spark plugs out they all covered in oil just done a compression test and got 180 180 190 180 is that OK could the headgasket go and still have this compression and we're the head meets the block looks like it's leaking oil any advice would be great