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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...


Understanding computer-controlled Quadrajets part 1 of 3
Here are a series of videos that talk about the E2ME/E4ME computer-controlled Dualjets and Quadrajets found on 80's GM products.





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.





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.





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.





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.





Choke Adjustment 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,





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





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





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





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.





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!





for Tim - Rochester tips





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 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!





Electric Choke adjustment: rich and lean extremes
In this video, I am purposely changing the rich/lean adjustment wildly in order to show the effect. Your actual adjustments would not be this extensive, but if your engine is loading up and not running very well, the choke or an aspect of it's systems may be the culprit.





Which car is faster? Which Car is Faster?




Similar 1/4 mile timeslips to browse:

1972 BMW 2002 : 8.580 @ 156.592
Tero.Laukkanen, Engine: 2.2l -16 valve, Turbos: Turbo.... Tires: M / T ET street


1967 BMW 2002 2.1 turbo: 12.250 @ 120.000
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1975 BMW 2002 : 14.008 @ 98.450
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1975 BMW 2002 tii: 15.500 @ 95.000
Jose Martinez, Engine: 2002, Supercharger: no Turbos: no Tires: 205X50


1976 BMW 2002 : 17.466 @ 75.320
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1986 GMC Safari : 17.575 @ 75.500
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