Drag Racing 1/4 Mile times 0-60 Dyno Fast Cars Muscle Cars

The Infamous Quadrajet Moan

Making a full-throttle pull on the chassis Dyno with our 1972 Pontiac Trans Am with 455 H.O. engine.


 


More Videos...


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!





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





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





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





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.





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.





Rat Rod vs Lamborghini Aventador! Roadkill Episode 5
On this episode of Roadkill, HOT ROD's David Freiburger and Mike Finnegan spend 24 crazy hours with a 1930 Model A Rat Rod and a 2012 Lamborghini Aventador to find out which wildly impractical, larger-than-life car attracts the most attention. Roadkill appears every fourth Friday on the new Motor Trend channel. http://www.youtube.com/motortrend Subscribe now to make sure you're in on all the action! http://www.youtube.com/subscription_center?add_user=motortrend Facebook - http://facebook.com/motortrendmag & http://facebook.com/hotrodmag Twitter - http://twitter.com/motortrend Google+ - https://plus.google.com/101867967859016552744/posts Website - http://www.motortrend.com & http://www.hotrod.com





1973 TRANS AM 455 BRUTAL POWER BIG RED
FORSALE BY WWW.TRANSAMFLORIDA.COM





Tri-Power - Rebuilding The Carburetors [S2 Ep. 5-1]
When it comes to classic hot-rod components, nothing gets people going like a multi-carb setup. And the king amount these is the Tri-power. Long admired for their stellar performance and macho attitude, the tri-power has become a hard thing to find. So why find one? Why not build your own? Today on GEARZ, Stacey walks you through the process of building your own tri-power out of old derelict parts. After that, Stacey pulls out the big Mopar guns and shows what it takes to put together a six-pack. If multi-carbs are your deal... you?re gonna love this show! Then Stacey gets down and dirty and shows you how to build some simple, ultra strong axle dollys by using some old scrap metal like the kind laying around YOUR garage. Who said gearheads aren't into recycling?





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.





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





for Tim - Rochester tips





Rochester Quadrajet, the results!
Two mishaps, the first shown here, the choke coil I got was wound backwards, it made the choke butterfly wind up TIGHTER as the engine warmed up. I swapped on the one from the old carburetor fast enough, the second mishap made me feel like a crud and what did I mess up later that evening. The car would not start leaving the Etobicoke -Queensway show. It was not getting gas. We got it running by priming the carburetor, and boy, was I ticked at myself. In the end it was not my fault it looks like. The new accelerator pump umbrella and rod was a very poor and frail design, the umbrella came detached and stayed at the bottom of the of the pump well, and was a distressed mess. The maker will get a note from me. The upshot? The old assembly went in, all is perfectly fine, the slight tip-in hesitation is gone now too. Stupid lack of pride it seems these days making parts for even simple things like an old carburetor.





1974 Trans Am Super Duty 455 Four-Speed FUN
This is a very rare 1974 Pontiac Trans Am Super Duty. Less than 1,000 of this 455-powered, specially built monsters were produced from 73-74. Today they command ever increasing prices approaching six figures.





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.




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