Time: author: bamomer quadrajet carb diagram vacuum I have a Best Answer: off the back there is big port,goes to pcv and. chevelle tech, Rochester quadrajet vacuum port questions.
engine the port going Olds vacuum identification and diagram, I did run across. i decided to start a new thread with questions regarding the vacuum i still want to find a diagram of the carb to see what all of the ports are.
i decided to start a new thread with questions regarding the vacuum i still want to find a diagram of the carb to see what all of the ports are. C3 Tech/Performance - Quadrajet Vacuum connections - Wondering The way to determine whether a port is 'manifold' or 'timed/ported' is to.There is one vacuum port on many Q-jet carbs that was used for the EGR valve.
It is not suitable for use as a manifold or ported vacuum source. One problem in locating the EGR vacuum port on a Q-jet is, the EGR vacuum port is not always in the same location on all Q-jet carbs.
Jun 20, · i have a corvette with a quadrajet mdl# when i bought the car none of the vacuum lines on the carb were hooked up so far i've got the line to distributor vacuum advance hooked up so it runs but there's no choke lines hooked up. once warmed up it runs fine but does stumble\hesitate under full throttle. no vacuum lines on it at all and there are open vac ports.
vacuum diagram Status: Resolved. Do you know The concept of Oldsmobile Rochester Carburetor Vacuum Ports Diagram that we give you here relates to the interest record about Oldsmobile Rochester Carburetor Vacuum Ports Diagram.
We found that lots of people search Oldsmobile Rochester Carburetor Vacuum Ports Diagram on search engines like bing. Sep 06, · A ported vacuum source produces no vacuum signal at idle, but produces normal vacuum signal once the throttle blades are opened up just a tad. The ported vacuum source on the early Q-Jets is the port on the forward, driver's side of the carb just above the idle mixture screw.
All other ports on the Q-Jet are direct manifold vacuum. Oct 15, · The manifold vacuum bottom center should have been connected to the hose that went to the T in the hoses going to the vacuum actuators in the snorkels of the original dual snorkel air cleaner. And I do have vacuum at idle from that port.
Instead it is going to my driver's side front ported vacuum attachment. But guess what.Quadrajet Vacuum connections - CorvetteForum - Chevrolet Corvette Forum DiscussionI have a Rochester Quadrajet Carburetor Need vacuum diagram?
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