Home › Forums › Stay Dirty Lounge › Maintenance Forums › Vacuum gauge hook up › Re: Vacuum gauge hook up November 6, 2012 at 8:22 am #474727 thomas dudmanParticipant I would say tee off any vacuum line close to intake manifold.Vacuum booster would work. May i ask why your pulling a gauge for vacuum?poor idle,knocking engine,stalling? Curious of your numbers you get. Keep us posted.B)