Originally Posted by paddy1977
A dump valve is needed when you are driving past a group of 15 year old girls that are standing outside One-Stop trying to get passersby to buy them a bottle of Diamond White.
so true!
think it would be daft to risk not running one on a T4 or similar spec turbo.
guess it also comes down to how much boost you run too. Personally I wouldnt risk not running one on a T34 or above (assuming its running high boost)