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Fix quadrajet carb, 1987 Pontiac Grand Prix 305

Found a bad choke pulloff, causing the choke to be too rich. Let's see if that fixes it.


 


More Videos...


How To Adjust the Choke on Rochester Carburetor By Hopkins
This video shows how to set the Automatic Choke on a Rochester Carburetor with a 350 (small block) chevy Engine,





re-jet your Quadrajet (part 2)
rejetting a Quadrajet





Edelbrock Carburetors: Installation and Tuning - 03 Installation
EDELBROCK CARBURETORS INSTALLATION and TUNING Part # 0324 Rev 01/13





Understanding the Computer-controlled Quadrajet part 2
Continuing the examination of this carburetor so we can see what's different and what is the same.





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





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





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





Everything you wanted to know about automatic chokes but were afraid to ask
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.





for Tim - Rochester tips





Crazy Tony trying to start his 305 with a $25 quadrajet
who messes with a perfect running daily driver that they need to get to work in the morning just to try a 25 buck carb???? TONY!!!!!!!





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.





86 Monte Carlo SS - cleaning out the Quadrajet carb and flowmaster exhaust sound
This engine was pulled from the car in 1997 and left sitting in a crate until 2011. They left the fuel in the carb so as it evaporated it left deposits. Exhaust sound at 9:01 3 chamber Flowmasters, long tube headers. 2.25" pipes and I don't think there is a crossover tube.





Carburetor Electric & Manual Choke Tuning - Summit Racing Quick Flicks
Norm covers the basics of how to start a carbureted vehicle on a cold morning with either a manual choke or electronic choke. Learn the differences between an electronic and manual choke and how to properly find the right choke position. http://www.summitracing.com/redirect?banner=SocialYT4526





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.





How to diagnose a Quadrajet part 1
I get lots of questions about poor running issues. Here's how to check them out.





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