about 2 months ago i changed the head on my c2olet from the gm model to a cocast one as i had bad mixing of oil\water.i also fitted a steel headgasket from regal+had the cocast head skimed and new bolts fitted,all was fine until now..
oil+water are still mixing a fair bit as well
have i fitted a bad head? is there anything else it could be such as oil and water mixing when cooling the turbo?
any help wellcome as i dont want to take the head off unless i really have too