Home › Forums › Stay Dirty Lounge › Service and Repair Questions Answered Here › Vacuum Line Manifold to Carburetor broke › Reply To: Vacuum Line Manifold to Carburetor broke April 23, 2020 at 5:53 pm #954420 Richard KirshyParticipant If the fitting is non removable, you can drill and tap the manifold and install a threaded nipple. Then you can use a rubber vacuum hose to connect to the carburetor.