I would have said no - at least I have not had to top her up yet. To be honest, the det only occurs in fourth and fifth under full load (just after peak torque).
Last time the gasket failed, it went very gradually and only seemed to breach under extreme boost. It is beginning to feel rather familiar.
Bugger. So is my thoughts on the little puff of white smoke right then, do you reckon Euan?
JJ