kiahatsiu wrote:3 bar gate is a bit insane. Stock they are 7 psi, i bet that is what it is.
The vf34's have restriction pills in the vac lines associated with boost control. Leave them in with a stock 2 port boost controller. Can take them out if you go 3 port. That is probably the orifices he was talking about.
OK, I do not have the vacuum lines for this turbo.