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Rochester on 253 let the secondaries open


 


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Why Quadrajet's are awesome part 1





Leaky RV carb
Carb in my RV leaking around accelerator jet. looking for ideas as to where the leak is starting and what needs to be fixed.





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 rebuild a Rochestor Quadrajet part 1
Introduction and beginning the disassembly process





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





Edelbrock Thunder Series Carb."Bogging Issues" Secondary Air Flap Needed Adjusted
GOT IT FIXED,IT WAS THE SECONDARY AIR FLAP IT NEEDED ADJUSTED HERE'S A LINK TO SHOW YOU HOW IT'S DONE How to Adjust the Secondary Air Flap http://www.youtube.com/watch?v=lkj4oL5CDg0





Rochester Quadrajet Marine Carburetor Rebuild Part 2 of 3
http://www.carburetor-parts.com is happy to provide this informational video about rebuilding the Quadrajet marine carburetor. You can buy marine kits here: http://www.carburetor-parts.com/SearchResults.asp?Search=marine+kit&Search. x=0&Search.y=0





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 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 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.





High speed idle cam discussion
Here's a look at where and how to adjust the high speed idle cam's adjustment.





1984 Chevy K20 50 to 70 mph
Punch it! I love to ear those secondaries open up on a four barrel carb. This truck reminds me of the sounds used in a lot of 80's tv shows and movies with car chases. I love it!





How to adjust Quadrajet/Dualjet fast idle
Quadrajet/Dualjet Rochesters have a fast idle adjustment screw that is separate from the base idle screw.Here's how to locate it. NOTE THAT THE CHOKE ITSELF MUST BE WORKING IN ORDER FOR THE FAST IDLE TO FUNCTION.





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.





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!





Which car is faster? Which Car is Faster?




Similar 1/4 mile timeslips to browse:

1982 Ford EXP : 8.600 @ 158.000
Larry/ Clinton Snead, Engine: 360ci Ford SB, Supercharger: NO Turbos: NO Tires: M/T Goodyear


1987 Audi 90 Turbo Quattro: 9.391 @ 151.400
F1Pisti, Engine: 2500ccm, Turbos: Garrett GT42RS Tires: M-H Racemaster 26.0/10.0-15


1990 Audi 90 : 10.780 @ 136.940
Jonathan Sczerba, Engine: 2.0L, Turbos: Precision 6765 T4 .81 A/R Tires: 255/50/17 BFG KDW2's


1991 Audi 90 89: 11.053 @ 124.000
Henri Puhmas, Engine: 2300, Turbos: turbonetics


2005 Lexus GS300 Turbonetics T62-1 Turbo: 13.078 @ 113.230
Jeff Tsai, Engine: 2JZ-GTE VVTi JDM Swap, Supercharger: N/A Turbos: Turbonetics T62-1 Tires: Michelin Pilot Sport 2: 295/30-19 & 265/35-19 @42p


1987 Ford EXP SC: 14.000 @ 95.000
Mike, Engine: 2.3 H.O., Supercharger: None Turbos: None Tires: Dunlop SP (front) Hankook K106 (rear)


1991 Audi 90 20V 7A: 14.060 @ 93.000
Erglis, Engine: 5R 20V 7A, Tires: 195/50/R15 Toyo


2006 Lexus GS300 AWD: 15.410 @ 88.710
NA,


1998 Lexus GS300 : 15.700 @ 89.600
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1988 Volkswagen Cabriolet : 16.320 @ 83.880
Nathan Sondelski, Engine: 1.8 8v CIS-E, Tires: 195/60 R14 Falken Ziex @ 20psi


1984 Volkswagen Cabriolet : 17.997 @ 74.751
Terry, Engine: 1.8l jh cis, Tires: 205/40/16


 


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