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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!


 


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How to de-bog your Quadrajet part 2
The Rochester Quadrajet has gotten a bad rap over the years, but it's actually an excellent carburetor once you understand how they work. Often referred to as "Quadrabog" or "Quadrajunk", many of the issues these units suffer stem from neglect, or "modifications" that do more harm than good. Being a spreadbore, air-valve secondary design, the Quadrajet is capable of flowing 750 or 800 cfm of airflow, eliminating the need to buy different carburetors when your set-up changes. In addition, the small primaries make for great drivability and fuel economy. In this clip, I'll discuss theory of operation on the secondary side, since that's where most problems arise. So, leave your preconceived notions at the door and let's see what makes these carburetors tick.





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





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.





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.





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 minimize engine bog with a Quadrajet carb
this is to minimize engine bog when the pedal is to the metal. do not over tighten, very small spring...you want to try 1/4 turns or 1/2...q-jets are good if tuned properly. also when you are tightening screw it will have tension on it so keep the screwdriver firm. 1986 gmc sierra single straightpipe to cherrybomb. you will need a small flathead screwdriver and a 3/32 allen key. be sure not to tighten to much or else your vacuum secondary flaps wont open.





Idle Mixture Adjustment on 4 Barrel and 2 Barrel Carburetors
Setting Idle Mixture and Idle Speed on Carburetors with Idle Mixture Screws to Pass the Smog or Emissions Test with a Tachometer





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





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





Adjusting High Idle on a 4 Barrel Rochester
Adjusting the high idle on a 4 barrel Rochester Carburetor.





Rochester Quadrajet Marine Carburetor Rebuild - Part 3 of 3
http://www.carburetor-parts.com is happy to provide the informational video about rebuilding the Quadrajet marine carburetor. Buy carburetor parts for this carburetor at: http://www.carburetor-parts.com/SearchResults.asp?Search=marine&Search.x=0& Search.y=0





Cleaning Catalytic Converters With Soap and Water -EricTheCarGuy
This is my second attempt to clean a catalytic converter, this time with soap and water. I've heard this method can work so I thought I would give it a try. One that that's important with these techniques is to do the procedure properly. On both my first attempt with this one and my last attempt with lacquer thinner, I didn't do the procedure properly and as a result I was not successful. I speak to those points in the video. So, if you have a catalytic converter code and it's not all broken up inside, you might consider trying this technique. You really don't have anything to loose if you do. Related Videos. Cleaning Catalytic Converters with Lacquer Thinner: https://www.youtube.com/watch?v=ZlPadYU2mPg Scotty Kilmer Cleaning Catalytic Converter Video: https://www.youtube.com/watch?v=5icTmYItwiE How To Diagnose a Catalytic Converter: https://www.youtube.com/watch?v=9VZ5K8n5jj0 How To Diagnose Exhaust Restrictions: https://www.youtube.com/watch?v=d-jp1IIJVVk How To Fabricate Exhaust Parts: https://www.youtube.com/watch?v=legLIPEuCfw How To Find Exhaust Leaks: https://www.youtube.com/watch?v=wYVjkyLdID4 How To Fix Exhaust Rattles: https://www.youtube.com/watch?v=-tzQclY43IA Using a Torch To Remove Exhaust Parts: https://www.youtube.com/watch?v=LPlndTrPK6A Increasing AC Performance by Cleaning Your Condenser: https://www.youtube.com/watch?v=r_em9lm69HQ Related articles. Idle issues: http://www.ericthecarguy.com/faq/solving-automotive-idle-problems Performance issues: http://www.ericthecarguy.com/faq/solving-automotive-performance-issues Getting Better MPG: http://ericthecarguy.com/faq/finding-and-fixing-the-causes-of-poor-mpg Discussion about this Video: http://www.ericthecarguy.com/kunena/18-The-EricTheCarGuy-Video-Forum/52923- cleaning-catalytic-converters-with-soap-and-water#108020 The best place for answers to your automotive questions: http://www.ericthecarguy.com ETCG FAQ Page: http://www.ericthecarguy.com/faq EricTheCarGuy code lookup: http://www.ericthecarguy.com/obd-code-lookup Facebook: https://www.facebook.com/EricTheCarGuy?fref=ts Twitter: https://twitter.com/EricTheCarGuy Google+: https://plus.google.com/100195180196698058780/posts Information on Premium Membership: http://www.ericthecarguy.com/premium-content-streaming-etcg-content Stay Dirty ETCG Due to factors beyond the control of EricTheCarGuy, it cannot guarantee against unauthorized modifications of this information, or improper use of this information.  EricTheCarGuy assumes no liability for property damage or injury incurred as a result of any of the information contained in this video. EricTheCarGuy recommends safe practices when working with power tools, automotive lifts, lifting tools, jack stands, electrical equipment, blunt instruments, chemicals, lubricants, or any other tools or equipment seen or implied in this video.  Due to factors beyond the control of EricTheCarGuy, no information contained in this video shall create any express or implied warranty or guarantee of any particular result.  Any injury, damage or loss that may result from improper use of these tools, equipment, or the information contained in this video is the sole responsibility of the user and not EricTheCarGuy.





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





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!





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