I mounted a permenant fuel pressure gauge in place of the schrader valve (unscrew schrader valve, install gauge with adapter fitting, and you are done).
Summit sells the gauge and adapter fitting. Do a search and you find the right gauge and adapter fitting.
Get it from summitracing.com.
Vacuum gauge will hook up to any vacuum source on the car (vac tree near EGR valve is your best bet option).
Scott