vacuum

  1. N

    1977 C20 hd emissions vacuum lines

    I can’t find where some of my vacuum lines are supposed to go. I just bought this truck and I am pretty sure something is a little off. I have a single vacuum line coming to the carb in the front bottom next to the ac solenoid. I believe that the airbox connects to the kickdown that is...
  2. Fallen_C10

    1983 C10 Vacuum

    Hey guys! So I recently got a 1983 C10 Scottsdale to fix up. First problem? The truck will start but it goes full rev because EVERY vacuum hose is missing & the Carb adjustment is all kinds of messed up. Does anybody have a video or diagram of where all the Vacuum hoses go? Edit: 350 Auto with...
  3. 86SquaredUp

    86 Sierra cuts off while driving. Seems to flood.

    1986 Sierra Classic. All original. 305, TH350, M4ME Quadrajet. This truck sat for around 2 years before I bought it. Fuel tank was empty when I got it. I changed the plugs and wires, changed the oil, filled the tank, replaced the battery, and it fired up. It ran great for 2 months and then one...
  4. OneShot

    Charcoal Canister Repack

    Fellas and Fellaesses, I'm about to wrap up a remanufacture of my Q-Jet (milled surfaces, pressed bronze bushings, retapped all the threads, seals, etc, etc ,etc.) and I plan on replacing all of the vacuum lines when I reinstall the carb. I was thinking yesterday - the charcoal canister needs...

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