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





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.





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





Edelbrock Foundries and Manufacturing
Edelbrock produces all of our cast items right here in the USA at our two state of the art foundries. You can be assured that when you are purchasing an edelbrock casting it is the best quality available. Check it out from start to finish.





How to adjust carburetor mixture screws
Here's how to find and adjust the mixture screws on your carburetor. 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.





quadrajet-cam
See 1976 Chevrolet pickup with Rochester quadrajet upgrade on SBC 350 V8. We removed the hood, mounted a camera looking down on the air horn, and took it for a spin, running wide open on an uphill grade. See how the secondary air valve responds to rpm drop at each upshift of the THM. Also included is a smoking burnout.





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!





Identifying Quadrajet vacuum ports
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 direction. Remember that there were many different Qjets over the years and vacuum port locations and number will vary. This video is representative of 1975-90 carbs. Enjoy!





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.





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.





How to clean motorcycle carburetors
Longtime viewers will see this as a refresher, but it does have some new tips not included in my previous carb videos





Rochester Carburetor Trick!
If your Rochester Quadrajet or Dualjet Carburetor is Hesitating try this Trick!





Motorcycle Mikuni CV Carburetor Cleaning for Suzuki, Honda, Yamaha Tutorial
Links below. Step by step instruction on how to disassemble, clean and assemble Mikuni CV Carburetors for Suzuki, Honda, Yamaha motorcycles... I hope you find this tutorial informative if long. For parts for your Vintage Japanese Motorcycle, please visit http://z1enterprises.com These guys always have the best prices and fastest shipping. Thank you for watching. Anti Seize Lubricant http://amzn.to/1bKe5HH





Setting the timing and adjusting the carb
Set the timing by ear, and got the idle slowed down so I could do a little adjusting on the carb. I'll do more when it's cold, so I can set the choke and all. Love the way it's sounding..





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: Ever since Charter "fixed" my internet and cable after the lightning strike, it hasn't worked right. Go figure. So, if you see this posted then I was finally successful in getting a video uploaded.




Which car is faster? Which Car is Faster?





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ISH,


 


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