How to debog your Quadrajet part 3

In the first two videos we looked at operational theory of the Quadrajet. In this episode we'll explore a couple mistakes the home mechanic often makes in an effort to improve the performance of this unit.

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How to understand automatic chokes part 1
UPDATE: Stop complaining about how much I talk. This was five years ago, get over it. Or, alternatively, make your own video. I've noticed many people drive vehicles with inoperative chokes. Even though chokes can be intimidating, repairing and adjusting them actually is very simple. So, stop pumping that accelerator and follow along as we look at how chokes work and how to repair them.





How to adjust Quadrajet secondary air doors
These take some trial and error to get them adjusted so that there is no bog, but it's not hard to do-here's how.





How to adjust carburetor mixture screws
Here's how to find and adjust the mixture screws on your carburetor. If you are doing an initial setting after rebuilding, turn each screw out 2-1/2 turns from lightly seated as a baseline to get the engine started. Note that metering-block style carbs such as Holley and Demon more often have one or 2 mixture screws in each metering block depending on the number of venturi. Also those may not be located at the bottom of the carb as in factory carburetors.





Detailed Quadrajet Carburetor Rebuild COMPLETE GUIDE
The most detailed and most popular Quadrajet rebuild video on YouTube will take the fear out of rebuilding your Qjet! After watching my highly detailed video you will be able to rebuild your quadrajet carburetor and get your vehicle running great and back on the road where it should be! The quadrajet rebuilt in this video is of the 1979 era. Some quadrajet carburetor designs vary from year to year however the process will be similar. Electronic Quadrajets from 1980-1990 might need specialized tools to set the MC Solenoid if needed otherwise the rebuild procedure is similar as well. How to replace the Throttle Position Sensor for 1980-1990 Quadrajet and Dualjet carbs: https://www.youtube.com/watch?v=jGEWxVGzdC8 → Subscribe to Classic Gbody Garage: http://www.youtube.com/c/classicgbodygarage?sub_confirmation=1 Classic Gbody Garage Social Media pages: → Join the Classic Gbody Garage Facebook group: https://www.facebook.com/groups/classicgbodygarage/ → Follow Classic Gbody Garage on Instagram: https://www.instagram.com/classicgbodygarage/ → Classic Gbody Garage Channel Home Page: https://www.youtube.com/classicgbodygarage




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