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

for Tim - Rochester tips


 


More Videos...


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





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.





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.





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!





How to debog your Quadrajet part 3
In the first two videos we looked at operational theory of the Quadrajet. In this episode we'll explore a couple mistakes the home mechanic often makes in an effort to improve the performance of this unit.





New quadrajet set up
New air-gap manifold and custom/rebuilt q-jet. Sounds good but I still need to set the timing on the distributor and the carb is tuned already. Hope you like, nothing to fancy just a few revs and walk around...the Exhaust is true dual no x/h pipe and it has cherry bomb glasspacks(3 inch)





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,





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 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.





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





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.





Rochester Quadrajet Marine Carburetor Rebuild - Part 3 of 3
http://www.carburetor-parts.com is happy to provide the informational video about rebuilding the Quadrajet marine carburetor. Buy carburetor parts for this carburetor at: http://www.carburetor-parts.com/SearchResults.asp?Search=marine&Search.x=0& Search.y=0





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.





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





Why Quadrajet's are awesome part 1





Which car is faster? Which Car is Faster?




Similar 1/4 mile timeslips to browse:

1986 Chevrolet Chevette : 8.990 @ 149.450
Carl Randall, Engine: 406SBC, Tires: Mickeys 10.5 X 15


1976 Chevrolet Chevette : 9.860 @ 136.500
Mark Sullens, Engine: 355 Chevy, Tires: 14x32 Mickey Thompson, Hoosier fronts


1970 Chevrolet Chevette : 10.295 @ 130.460
Chris Druyor, Engine: 540cid Chevrolet, Supercharger: n/a Turbos: n/a Tires: Mickey Thompson ET street 28x12.5


1985 Suzuki GSX GS1150ES: 10.300 @ 135.000
Luke, Engine: 1229cc 16v DOHC,


2007 Suzuki GSX 1400: 11.575 @ 116.420
Barry,


1994 Suzuki GSX katana 750f: 11.842 @ 114.760
scott, Tires: michelin pilot 160/ 60/ zr17


2002 Suzuki GSX 600F Katana: 11.892 @ 111.910
Jimmy Graves, Jr., Engine: Stock, Supercharger: N/A Turbos: N/A Tires: Maxxis 120/60-17 F, Bridgestone BT021 160/60-17 Re


1990 Suzuki GSX 750F: 11.977 @ 113.020
Ricky Cole, Engine: 749cc, Tires: Dunlop 208ZR 160/60-17


1983 Chevrolet Chevette Scooter: 11.990 @ 114.000
carl miller, Engine: 4.1 buick v6, Supercharger: none Turbos: none Tires: bf goodrich drag radials


1997 Suzuki GSX Katana 600cc: 12.020 @ 110.830
Megan (Star Power), Engine: Stock,


2005 Suzuki GSX GSX600F-K5: 12.336 @ 106.200
Jared, Engine: 600cc, Tires: Metzeler Z6 Roadtec


2007 Suzuki GSX 1400: 12.408 @ 111.840
Mark,


1992 Ferrari 348 TB: 13.420 @ 107.500
Jonas Wikstrom, Engine: Stock, Tires: GoodYear Eagle F1


2006 Suzuki Boulevard S50: 13.957 @ 91.130
Mojo,


2007 Suzuki Boulevard C90: 14.455 @ 90.560
Jim Murray,


1971 Fiat 125 Special: 15.180 @ 90.400
Lucerosport, Engine: 1608 cc DOHC (1633 cc), Supercharger: no Turbos: no Tires: Toyo proxes street tires


1971 Fiat 125 : 15.620 @ 89.070
Dhave,


 


©2015 DragTimes - Disclaimer - Contact Us