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How to rebuild a Rochester Quadrajet part 3

Finishing up the disassembly.


 


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How to rebuild a Rochester Quadrajet part 4





How to rebuild a Rochester Quadrajet part 2
Continuing the disassembly process.





How to rebuild a Rochester Quadrajet part 5





How to rebuild a Rochester Quadrajet part 6





How to measure and adjust Quadrajet float level
I have had several requests for this, so here you go: 1. The airhorn has to be removed to do this, but the carburetor does not have to be removed from the engine. 2. Some data says to measure from the toe(end that is opposite from the hinge), some say 5/16 inward from the end, etc. I suggest following the specs for your particular carburetor. 3. With the float in the raised position and the inlet needle lightly seated, measure from the top of the float to the top edge of the carburetor with NO gasket in place. If you have to adjust the float, bend at the area that has the cutouts, 4, If you are experiencing flooding issues then it is an excellent time to install a new needle/seat and float and that should cure flooding problems that are not choke-related.





750 vs. 800cfm Rochester Quadrajets-how to tell them apart
There exists a ton of misinformation regarding the actual airflow capacity of the Rochester Quadrajet. Not many people know how many variations there are or how to tell them apart. Here is a simple video explaining how to identify each size based on casting design. I will cover the "cfm-limited" carbs in a separate video.





How to rebuild a Rochester Quadrajet part 7





How to rebuild a Rochestor Quadrajet part 1
Introduction and beginning the disassembly process





How to de-bog your Quadrajet part 1
Sorry guys, I got the videos a bit out of order. The Rochester Quadrajet has gotten a bad rap over the years, often called a Quadrabog or Quadrajunk. In fact, this is a great multipurpose carbureter once you understand how they work and what not to do to them. In this clip I introduce you to the Quadrajet and begin explaining the theory of operation of these units. Enjoy!





Quadrajet air leak fix and warped air horn repair tutorial.
How to identify a Quadrajet with a warped air horn without diss assembly or running it on a car. These tips would have saved me time and money which is why I made this video. I also discus how to repair a warped air horn and prevent your air horn from warping in the first place. If you have a whistling noise just off idle then you got some work to do. You will never get your engine tuned right, your cold start performing or decent fuel economy unless your four barrel carburetor is just right. Special thanks to Cliff Ruggles for his book Rochester Quadrajet carburetors and to my brother Adrian who spent hours on tuning and fitting. See this video for description of the technique I used to straighten a warped air horn. http://www.youtube.com/watch?v=l_SgQiVf3_0&feature=youtu.be here is a technique for re-bushing the throttle shaft without drilling. http://rmcavoy.freeshell.org/Q_Jet_bushings.html





Decoding a Rochester Quadrajet part 2: Breaking down the numbers
In this clip we'll learn how to decipher the Identification number and julian date code on the Rochester Quadrajet.





Quadrajet Electronic Carburetor Rebuild - Teardown Part 1
http://www.carburetor-parts.com. Mike's Carburetor Parts has provided this video about the Rochester Quadrajet, electronic version. Part 1 of the tear down video.





re-jet your Quadrajet (part 1)
rejetting a quadrajet





Clean a Carburetor Without Rebuilding it and Save Money
Do you own a car or truck that has a carburetor. Are you trying to get your car to pass a smog check. Do you think you need a tune up. Have you noticed that on youtube that other videos show you how to clean the carburetor choke, but that does not clean anything inside the carburetor. So the other videos don't really help you make your car run better. My video: In this example the Holley 2150 2 barrel carburetor, on a 1979 FORD 302 or 5.0 litter engine. How to clean a carburetor cheaply and without having to remove it from the engine. This is a way that I avoided having to rebuild my carburetor due to it not working correctly. The problem that I had with mine was that when I gave it the gas it had a dead spot. In other words I'd be going along and give it the gas and it would cough and stall. A friend showed me that by only squirting carburetor cleaner into the fuel bowl and running the engine that it would clean it out. I tried what he told me to do. I ran about half a can of carb cleaner through the carburetor with the engine running and then went for a drive. I got down the road about a mile and entered into the freeway. There was a car coming fast and I was not up to speed and I gave it the gas and it stalled like it used to. I put the transmission into 2nd gear and floored it and that blew out what ever was plugging it up and it has run like new since. This solved the problem I was having, does it sound like a problem you have. Give it a try. If you try this and it works then you have fixed your problem for under 5 dollars, and won't spend hundreds of dollars having a mechanic work on your car. It also helps if you do this before going for a smog check, it will help you pass. automóvil carburador limpio automóvel





How to adjust Quadrajet/Dualjet fast idle
Quadrajet/Dualjet Rochesters have a fast idle adjustment screw that is separate from the base idle screw.Here's how to locate it. NOTE THAT THE CHOKE ITSELF MUST BE WORKING IN ORDER FOR THE FAST IDLE TO FUNCTION.





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