I always see a lot of questions about what various vacuum ports do on a Quadrajet. Here’s a general guide that will point you in the right.
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Quoted: 0 Post(s). Quadrajet Vacuum hose routing.
Had a question regarding my Quadrajet I’m trying to install on my ‘ Bought one from what appears to be a , which means there’s plenty of vacuum ports. The carb setup I have for it is a Quadrajet on an Edelbrock nothing or vaccuum line routing or requirements.
(full large manifold vacuum). Chevrolet Corvette C3 TPI (tuned port injection) review Vacuum operated wiper door was eliminated and replaced with a cowled.Following are vacuum diagrams for most of the engine and emissions package combinations covered by this guide.
Because vacuum circuits will vary based on various engine and vehicle options, always refer first to the vehicle emission control information label, if present. Hi all, Couldn’t find info on vacuum line routing on the web.
So I could use a little help here, Rochester Qudrajet model 4-mv VF, any pictures or diagrams would be useful. Mar 25, · 3) i have no idea what the big green “b” is in my picture; i think it is a TVS (themal vacuum switch).
And what this does is it only allows air/vacuum to flow only when the coolant temp reaches a certain level. Or it shuts off air/vacuum at a pre-determined level.
Pretty nifty eh? But give me time and we will both get into it big time. Aug 31, · So, we have no idea where many of the vacuum lines go, especially those cool little tiny hard plastic ones that are burned in two somewhere in front of the carb..
’86 Chevy with quadrajet, HEI, EGR (what’s left of the system), AIR (about half of it, at least), and TH (not a r4, unfortunately) tranny. Rochester’s timeless Quadrajet four-barrel carburetor can perform with proper tuning technique making it an asset.Quadrajet vacuum lines? – Third Generation F-Body Message BoardsQuadrajet Vacuum hose routing – Pontiac GTO Forum