Originally Posted by
studabear
Interference, damage most likely. Yeah they are a zetec with VVT and a duratec logo.
I use a ST170 based engine in my escort.
By damage do you mean valves or isit likely pistons will be damaged if its just valves ive seen them for about 8 quid a pop online and do you have an idea of what kind of labour ill be looking at to get them changed?