Originally Posted by Chipperx2
Alex zvh cabrio, Only talking through experiance from my Zetec. I found it runs shit on oils graded 10-xx etc when cold, evan cut out on a few occasions

, put 5-30 in and its fine, Also oilman advised I should only use 5-30 and so does the Ford manual and haynes

true what u say for that but its a bit diffant if u got a turbo on it and better pistons and rods

of couse it will say 5-30 oil in the manual and haynes becasue that a std zetec lump.