Originally Posted by sporadic
I run the BOV from the vac block with no issues. If someone could show a measurable reason why it should have its own port on the manifold I'm all ears.
The only thing I don't run from the vac block is the fuel rail pressure sensor and that's just because of proximity to an available port on the manifold.
I'm not sure if it does a make difference. It's just a recommendation I picked up along the way and tend to follow.