Originally Posted by YBJ
So you say its a common problem than

. But what causes it and can you prevent this happening (with high speed running of course..)
Since the day it happened to me I have never passed the 120 MPH again in the cossie....

Just old cars! It is quite a common problem, there is a lot of reduced air pressure over the top of a car traveling at those speeds and an old sunroof will just break.