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1972 GTO

Quadrajet bogging down. Won't light 'em up quite yet. Gimme a couple of weeks with a new Petronix and adjustment of the floats and secondaries.


 


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!





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.





for Tim - Rochester tips





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





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: Ever since Charter "fixed" my internet and cable after the lightning strike, it hasn't worked right. Go figure. So, if you see this posted then I was finally successful in getting a video uploaded.





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!





1970 Pontiac GTO STK 89-ATL.mpg
WOW is the under-statement of the year when trying to describe this gorgeous 455 H.O. 4 speed 1970 Pontiac GTO. Professional frame-off restoration brought this ride back to absolute original condition. This baby is ready for your next show, cruise-in, or just a Sunday afternoon drive. This original GTO is one of a total of 7088 GTO's built with 455ci engines, which includes all years or production, 1970-74. The 1970 year production is the only high compression, 10.25:1, 455's made for the GTO. Producing 370hp, ground pounding 500ft-lbs of torque, these high output GTOs were and still are an absolute blast to drive. Equipped as you could have ordered one, besides the beast of an engine, this GTO boasts a Rochester Quadrajet carburetor, 4-speed M-21 (close ratio) transmission, dual Exhaust, 12 bolt 3.31:1 Saf-T-Trac rear end, power steering, power front disc brakes with rear drum brakes, deluxe AM pushbutton radio and rear window fan defrost system. Among other options such as two-speed windshield wiper/washer, front bucket seats with shoulder/seat belts, rear seat belts, console, clock, Rallye gauge cluster, courtesy lights, remote driver's mirror and even an electric trunk release. Wrapping your fingers around the factory wood-sport steering wheel and looking through the front windshield at the hood mounted tach as you push the accelerator, you'll be wishing the road never ends. 15x7 Rallye II wheels wrapped in radial tires with the original 14x6 wheels available keep you planted to the road. The great Exhaust note is achieved through the custom 2 1/2" tubes with an x-crossover connection and 2-chamber Flowmaster mufflers with resonators. The temp gauge closes out the modifications done to the car yet the original in-dash temp gauge system is still good. This factory Polar White GTO with the optional '69 Judge stripes add to the definite GTO muscle look. This girl is ready to go and we think your garage is begging for her to call your place home.





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





Everything you wanted to know about automatic chokes but were afraid to ask pt2
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.





1972 Pontiac GTO 455 FOR SALE flemings ultimate garage
http://www.flemingsultimategarage.com/1972-pontiac-gto-455--c-1121.htm 1 of only 235 built! Matching #'s 455cid big block V-8 - YC code, turbo 400 automatic, 12 bolt Saf-T-Trak posi rear, brand new Orange Flame paint, black bucket seat interior, factory console with Hurst his/hers shifter, new Rally II wheels w/ BFG radial T/A's, great sounding new dual Exhaust, new glass, all new interior, Endura front bumper, ram air hood, fast ratio power steering, beautifully restored, window sticker/ PHS docs, ultra rare, Just restored! http://www.flemingsultimategarage.com 301.816.1000 begin_of_the_skype_highlighting              301.816.1000       end_of_the_skype_highlighting





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.





Auto Repair & Maintenance : How to Adjust Carburetors
Idle speed and idle mixture are the two most common adjustments made to carburetors, and these adjustments start by warming up the vehicle to full engine-operating temperature. Find out how to perform a lean-drop adjustment with help from an ASE-certified master automobile technician in this free video on carburetors. Expert: Clark Mason Bio: Clark Mason is an ASE-certified master automobile technician. Filmmaker: Christian Munoz-Donoso




Which car is faster? Which Car is Faster?





Similar 1/4 mile timeslips to browse:

2007 Pontiac GTO Pro Stock: 7.361 @ 184.570
Michael Campolucci, Engine: KRE MR-1A 535,


1966 Pontiac GTO : 7.760 @ 178.000
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1969 Pontiac GTO Judge: 7.870 @ 175.940
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2005 Pontiac GTO F-1R Procharger: 8.958 @ 154.210
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2005 Pontiac GTO : 9.199 @ 151.050
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2004 Pontiac GTO SS Supercharged LQ9 408 ci : 9.746 @ 142.130
Fadi Tamour, Engine: LQ9 408 ci , Supercharger: Vortech V7 YSI Tires: 28/10.5/15


1968 Pontiac GTO : 9.824 @ 140.440
Louis Fishgold, Engine: Butler 505 CI, Tires: M/T 28 x 10.5


2004 Pontiac GTO : 9.929 @ 136.600
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1971 Pontiac GTO HO: 10.220 @ 129.030
JONATHON DAO, Engine: 467, Tires: GOODYEARS


2004 Pontiac GTO : 10.260 @ 134.000
Doc GTO, Engine: LQ9 370ci, Supercharger: TVS 2300 Tires: Hoosiers


1969 Pontiac GTO Judge: 10.360 @ 131.890
Don Carlson, Engine: 455 Pontiac Stock Bore & Stroke, Supercharger: No Turbos: No Tires: Moroso Drag, Firestone


2005 Pontiac GTO : 10.496 @ 130.350
Dan Knabb (aka, FraggerCrue), Engine: LS2, Tires: stock front, Hoosier 275/17 DRs


1970 Pontiac GTO Ram air iii: 10.520 @ 128.800
John D, Engine: 541 IA2 Pontiac, Tires: Hoosier 29.5X 12.5 x 15


2004 Pontiac GTO LS2: 10.587 @ 130.370
ETCO RACING DD Sr., Engine: LS2, Turbos: Pro Charger Tires: MT Drag Radials


2004 Pontiac GTO LS2: 10.622 @ 131.420
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1969 Pontiac GTO Judge: 10.650 @ 125.000
Kevin, Engine: 462 CID Pontiac, Supercharger: n/a Turbos: n/a Tires: Goodyear 30 x 12


2004 Pontiac GTO LS-2: 10.694 @ 126.510
ETCO RACING SD, Engine: LS2, Turbos: Pro Charger Tires: MT Drag Radials


2004 Pontiac GTO 5.7L: 10.770 @ 126.010
ETCO Racing Project DD, Engine: 5.7L LS-1, Supercharger: Procharger Tires: MT / Drag Radials


1967 Pontiac GTO Sedan: 10.800 @ 121.000
Nickv, Engine: 455, Supercharger: NA Turbos: NA


1964 Pontiac GTO : 10.800 @ 129.310
Jim, Engine: '68 Pontiac 428, Supercharger: No Turbos: No Tires: Firestone 29.5


 


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