Vacuum hose routing

Bani said

Thank you krazykuda, but for what i have the Distributor Control Valve when only the Manifold is connected and the other two ports are free?

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If that's similar to the green vacuum canister from my 67 with california emissions, one nipple goes to ported vacuum, one to intake vacuum, then the other to the distributor...

You would need to refer to a service manual to find out which port is which...