Quadrajet disassembly part 2 ""SUBSCRIBE!!!!!""
disassembling my 750cfm q-jet, for more questions comments or information
feel free to email me! i have tons of quadrajet and holley parts too.. let
me know what you need!! Thanks for watching!
Identifying Quadrajet vacuum ports
I always see a lot of questions about what various vacuum ports do on a
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
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.
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.
here is a technique for re-bushing the throttle shaft without drilling.
Rochester Quadrajet parts description and overhaul discussion
Carburetor Installation how to Help Video - Holley Carb DVD
Buy the "Holley Installation & Tuning" DVD
Holley Installation & Tuning DVD: Quick Start Tuning
Now that your new carb is installed, double check all the connections and
fire it up. You need to check for fuel leaks immediately. If detected, shut
the engine off and fix the problem.
If you buy a brand new Holley 4-barrel, this DVD now comes in the box with
every purchase. If you already own a Holley carburetor or would like to
learn about the internals of the all-time, most popular modular style
carburetor, this is the DVD for you.
It's the ultimate installation, tuning and troubleshooting guide for the
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troubleshoot any other brand of modular style and some one-piece style
Menus are full of bonus information and detailed animated tours of
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Get the full DVD with all of the interactive menus, detailed animated tours
of internals and accessory kits here...
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Rochester Quadrajet disassembly
Sorry about my raspy voice i had a killer cold! This video shows the basic
parts of the quadrajet.. feel free to email me for anymore information, i
have tons of spare Quadrajets and Holleys as well!! Thanks for watching!
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.