What damage is done if timing chain fails on 1997 Buick Park Avenue?

I really want to know if the valves or pistons will be damaged if the timing chain fails or slips on a 1997 Buick Park Avenue. On some engines the valves will never hit the pistons, and the engine will not be damaged. On other engines, the valves will strike the pistons, and very expensive damage will occur. What will happen in the engine in the 1997 Park Avenue?|||timing chains do break. I have had one break on my car. It was a 89 Buick with the 3800 engine it ruined the whole engine. I cant say for sure for the 97 but I am sure it has the 3800 in it and they haven't really changed those engines too much so I would have to say that yes it would be catastrophic.|||If the time Chain slips or fails it should not damaged the engine. in lest you are going 60 or more mph. then it will damaged the engine.|||Most modern, and yes, 97 is a modern engines have a "zero" valve clearance. This means that when any valve is in the open position, it protrudes into the combustion chamber and into the path of the piston. The result is that without the timing chain or belt turning the camshaft (which in turn closes the valve as the piston reaches dead top center) the piston will strike the valve causing damage to both components. Never neglect your timing compents they will kill your vehicle in a heart beat.|||Timing chains don't break. Only in high horsepower cars.