emissions

  1. DemarioM

    Quadrajet too rich!

    Good evening. I have an 85 c10 with a 305 in it. It's my dream since I was a child. The carburetor I've got is I quadrajet 17085226. I'm inquiring because I'm having a hard time passing emissions due to it's running too rich and, I don't know what else I can do to correct it. I'm pretty sure...
  2. J

    Emissions Question

    Hello everyone. My son and I are working on a 1978 K10. Through the course of its like the vapor canisters have had the vacuum nipple damaged and the canisters need to be replaced. It is a duel canister setup. I have tried to search the part numbers to no avail. Part number 17056582 does not...
  3. Pancake_Turtle

    Removing Smog on a 81 305

    Hello! I have a 1981 C20 with the 5.0 305 with a 4BBL carb. I have a new exhaust for it since the one on it rusted away. I got Headers to tips and want to put them on. I would like some pointers for removing the smog system. it seems overly complicated and I am new to all of this. Where do I...
  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...
  5. Coal creek Chris

    1989 V3500 Oxygen Sensor Wire Location?

    New to the forum. Have a emissions/wiring issue. Wondering if anybody could help me find the general area I should look in the engine bay for a single wire O2 sensor connector. Have an 89 V3500 7.4L that currently has no O2 sensor or cat installed. There is a threaded plug in the stock manifold...
  6. Ivan_Drago

    Pass Ca. Smog with new Top End?

    Hi All, first off I'd like to say hello and thank you all for making this Forum so great! This is my first post here and looking forward to many more as I learn more about the intricacies of my truck. So...with that here it is.. I've got a zero rust 1981 K3500 2door chassis cab with 55,000...

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