Originally Posted by Caddyshack

Surely with the bw turbo you don't need a dump valve, mine is internally gated and I don't have one...my car is a 205 pug 4x4 with bw on twin scroll manifold that Mark fitted. Mine made 469bhp, the intercooler was letting it down...that and the fact that it is a totally standard engine. I have since put a hart on it too but not mapped to that yet.