How do you perform a vacuum test on a 5.7gipmda?

[Bluecollerboater]

I want to do a vacuum test on my volvo 5.7gipmda. where do i hook up the tester on the manifold?

 

[RicardoMarine]

Go here and look up your intake manifold. There should be a port that can be used.

 

[Bluecollerboater]

Thanks Ricardo. I think i found a plug I can use. it's #3 on the diagram.