Has anyone used the small threaded port on the back of the manifold as a boost/vacuum reference for a standalone boost gauge? Once nice feature of these kits is that all of the vacuum ports are sourced between the throttle body and the supercharger so they never see boost (no need to upgrade your PCV valve). That does mean getting a reliable boost source is a bit more difficult than just splicing into an existing line.
I'm hoping someone has already used this location and can perhaps provide the thread type/size of the hole. If not, I'll pull the plug and figure it out (posting the results here, of course)
-Matt
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