Have a myvi with BOT using YRVT manifold, turbo, intercooler etc.. it comes with this bosch pbv, the vacuum hose runs back to the intake manifold but somehow when boosting even as low as 0.1bar i hear a whoooshh...
I have invited the Silvia's Owners for this Friday's TT session too. It will be great to have Nissan Sportcar Owners to get together and get to know each other.