History The Rochester 2 Jet is a two barrel downdraft carburetor that was produced from 1955 until the late 1980's. It was used at various times in every GM car and truck line, as well as GM-built marine engines and by other manufacturers such as Brockway truck, Checker Motors, Dodge and Plymouth (1971, 318 engine), Kaiser and Jeep (Buick V6), Studebaker and White Motors Three Basic Types of Rochester 2 Jet 2G - Manual Choke 2GC - Automatic Choke 2GV - Divorced Choke (choke thermostat is mounted in the intake manifold) Tri-Power - The center carbs used on 1958 Cadillac, 1958 Chevrolet, 1957 and 1958 Oldsmobile, and 1957 and 1958 Pontiac used front fuel inlets. 1968 & later carburetor number stamped in. Rochester 2 barrel carburetor vacuum diagram. Vaporizers edit af chart1 jpg rochester quadrajet vacuum port questions chevelle tech rh chevelles com carburetor diagram small 2 jet rochester carburetor vacuum diagram free engine image for user manual download. Adjusting the carburetor is fairly simple and the adjustment screws are easy to access
Ford motorcraft 2 barrel carburetor diagram also vacuum diagram trouble in addition 1 barrel carburetor spacer moreover p c as well as rochester monojet carburetor together with moreover 2 jet rochester carburetor vacuum diagram further rochester monojet carburetor moreover carter afb carburetor along with 3ov64 does my dodge d need egr Exploded View of a Rochester 2G - 2GC - 2GV Carburetor Find the part you need by number: To request additional information or to obtain information on price and availability of any part shown above, please fill in our. Rochester 2 barrel carburetor vacuum diagram. Rochester 2 barrel carburetor vacuum diagram. In 1956 rochester produced a special high performance 2gc carburetor for the oldsmobile 88. Vaporizers edit af chart1 jpg rochester quadrajet vacuum port questions chevelle tech rh chevelles com carburetor diagram small 2 jet rochester carburetor vacuum.
Sep 17, I had my 63 locked up a few days ago, and noticed a little hose I have the stock sbc and the carburetor I have on it is like the stock 2 barrel Rochester, just Well theres only 3 vacuum lines you NEED to run the car. Fig. 7 Vacuum hose diagram for V8 engines, cu. in. with 2-bbl. carburetor. Click image to see an enlarged view https://www.carburetor-parts.com is happy to provide you with this instruction video of how to rebuild a 2 jet series Rochester carburetor. Parts for the 2. Rochester 2G, 2GC, 2GV, 2 Jet Carburetor Questions & Answers. User post questions to us in a variety of ways. Here is where we post the questions and problems and the possible solutions. When my car sits for a few days after driving, it will not turn over unless I squirt gas into the card In this video, I demonstrate how to disassemble a Rochester 2 Jet / 2 Barrel (2G 2GV 2GC) carburetor. I tried to give the best possible view that I could dur..
Rochester Model B and BC. Chevrolet B, BC car models up to 1956, trucks up to 1962; 2-Jet 2G, 2GC, 2GV 1955-1971 Rochester 2-Jet Small Bore (1-1/4) carburetor manual; 1956 Oldsmobile 2G Special Carburetor Service Manual; 1961-65 Buick, Oldsmobile and Pontiac 2GC (small bore) 1970-1990 Rochester 2-Jet Large Bore (1 1/2) Carburetor Manual; 4. The 2 ahead of the g means the carburetor has 2 bores 2 venturii and 2 separate but identical metering systems one for each carburetor bore. Vaporizers edit af chart1 jpg rochester quadrajet vacuum port questions chevelle tech rh chevelles com carburetor diagram small 2 jet rochester carburetor vacuum diagram free engine image for user manual download Rochester 2 barrel 2G 2GC 2GV 2GE Two Jet : Full Size View Parts Page Diagram: Rochester 2 barrel 2SE E2SE VaraJet : Full Size View Parts Page Diagram: Rochester 2 barrel M2MC M2ME E2ME E2MC DualJet : Full Size View Parts Page Diagram: Rochester TBI E-Mail firstname.lastname@example.org Rochester 2G, 2GC & 2GV, 2 Jet, 2 Barrel Carburetor rebuild kits and parts. US manufactured and ethanol ready. Gaskets, screws, accelerator pumps, jets, floats, choke parts, clips and small parts all available through the online catalog
If your Rochester Quadrajet or Dualjet Carburetor is Hesitating try this Trick
The two-barrel Rochester carburetor is designed with two adjustment screws, located in the front of the carburetor near the base. Adjusting the carburetor is fairly simple and the adjustment screws are easy to access. The idle fuel mixture screw on the left side and the idle speed screw on the right side should be. The Rochester 2G carburetor was introduced in 1955 and was used in various applications by all GM divisions through 1979. It is easily identifiable by the words 2 Jet on the air horn (lid). This carburetor was made in two base sizes. The original early size has center to center stud dimensions of 2 x 3-¼ and a bore size of 1. Carburetors - Quadrajet Vacuum ports - Anyone know the purpose of port N, Well, I have diagrams from 84 and 86 saved on my computer and went and. I've tried using a vacuum gauge and adjusting the air mixture screws, but I And help with a diagram showing what vacuum ports should be. chevelle tech, Rochester quadrajet vacuum port questions. engine the port going Olds vacuum identification and. Enter Carb Number For Rebuild Kits Pulloffs Chokes. Part# Description. Application: Order: Jets R2/4J-(jet size) 9.98 Pair Rochester 2 R2 Govenor thread size 3/8 x 24 - price each CUD4538 $ 4.99 Gasket - Base R2 1/4 thick Rochester 2 CUD4539 $ 3.99 Gasket - Base R2 C2.
Rochester carburetors were quite possibly the most widely used carburetor in the twentieth century, with over one million units produced by the Delco Carburetor Company, a division of General Motors. Rochester carburetors are known for their durability and simplistic design, yet even Rochester carburetors will. There are two different size throttle bores on Rochester two-barrel carburetors, one is 1 1/4 and the other is 1 1/2 inches. All two-barrel carburetors had a cfm range of 285 to 450 cfm, and the original 2G used a manifold-mounted thermal-spring assembly that connected to the choke via a linkage rod Some rochester b carburetors also had the last 4 digits of the carburetor number stamped on the bottom of the mounting flange. It will work on the following rochester models this kit has th. Rochester m new carburetor manualhand choke 7028001 7029007 7029012. Full size view parts page diagram. Rochester 2 barrel 2g 2gc 2gv 2ge two jet Rochester 2-Jet Carburetor Manual. cm042: Ebook carburetor service manual - 170 pages, 84 MBytes, pdf format. Complete service manual: Comprehensive factory service information for 1958-1969 large bore Rochester 2G, 2GC and 2GV carburetors. Includes theory, diagrams and complete overhaul procedures. Fast, secure e-book download
Rochester 2 Jet filter assembly. Here is an illustration showing how the filter is installed on the 2G, 2GC, 2GV carburetors. This may not be true on the late 70's carburetors. #16 is the return spring. #15 fuel filter. Usually bronze type Rochester Varajet II illustrated. Rochester Varajet II. This was not the most popular carb choice that Holden ever made, at least not with many mechanics. It is fitted to the Camira, Holden4 star-fire engine and Holden6 Blue engine. Common faults with these were Rochester 2-Jet Carburetor Manual. cm022: Ebook carburetor service manual - 141 pages, 35 MBytes, pdf format. 141 pages: includes factory service manuals, detailed adjustment settings and instructions and illustrations of all carburetor systems. A must-have for the serious restorer or rebuilder. The most complete resource available This carburetor was made by Rochester , The Rochester Products Division of General Motors was located in Rochester New York and built carburetors for GM vehicles since 1949 . It is a R2-2GV . This carburetor has a part number of 7041114 and used on 71 Chevy
The Rochester Varajet was a small, staged two barrel carburetor used from 1979 to 1987 in General Motors and AMC 4 and 6 cylinder applications. The 2SE model was a standard, non-feedback carburetor produced from 1979 onwards. It was used in US production in cars only in the 1979 and 1980 model years. Canadian and export production used this. . They also have an adjustable electric choke control spring and a vacuum choke pull off and a throttle idle control screw. Before any of these can be.
We carry carburetor kits for all Rochester 2 Jet, 2G, 2GC & 2GV carburetor types. 2G is a manual choke carburetor, 2GC is a hot air choke type with the choke thermostat mounted on the carburetor, 2GV is a divorced choke, which means the thermostat is mounted in the intake manifold (not on the carburetor itself) and connects to the carburetor with a choke rod Figure 1 Model 4MV Figure 2 Model M4ME GENERAL DESCRIPTION The Rochester Quadrajet is a four barrel, two stage carburetor of down draft design. It has been proven to be dependable and a versatile performer as witnessed by its broad application and usage since its first introduc tion in 1965. Modern demands for greater fuel econom We stock Rochester, Holley, MerCarb, Weber, Carter, Solex and Zenith rebuilt marine carburetors. We also stock a large selection of vintage marine carburetors. If your marine carburetor is not listed above, click here to e-mail your boat information to us for a quote and availability Rochester carburetor numbers are stamped into the float bowl of the carburetor starting in 1968. Before that, they are found on a tag. Most 1967-down Rochester carbs have a triangular aluminum or brass tag retained by a screw attached to the top of the float bowl. 1965 to 1967 Quadrajets had a round 'bottle cap' tag on the front driver's side Varajet 2 Carburetor Diagram. The idle speed adjustment on a Varajet is the larger screw in the side of the carby on I'll have a dig around and see what i can come up with. Rochester Varajet II The two-stage carburetor, built almost entirely of aluminum , first came out on The Varajet models 2SE and E2SE, Figs. This screw is factory pre-set and.
Method 1Method 1 of 2:Adjusting the Air and Fuel Mixture. Locate the air filter and remove it. On most cars, you'll need to remove the air filter to expose to carburetor and adjust it. Open the hood and make sure the engine is off before locating the air filter and removing the assembly Rochester Quadrajet Carburetor Numbers: 1965-67 Quadrajets has carburetor number located on a round aluminum disc glued on driver side, next to Quadrajet logo. 1968-88 Carburetor number is stamped into drivers side of main body casting directly above the secondary throttle shaft. Two digit plant code and four digit julian date (DDDY) may also. - Rochester 2G/Two Jet Tech (2) - Rochester Quadrajet Tech (23) Search Our Articles. Search. Information. How to Buy a Carb Kit Safe, Secure Shopping (35+ years) car guys, driving, drag racing, tuning and restoring muscle cars. In 2006 we started offering carburetor parts for fellow enthusiasts, allowing one stop shopping for all their.
Rochester carburetors with a seven-digit part number starting with 700 through 704 were built before 1976. Eight-digit casting numbers began in 1976. These carburetor identification numbers start with 1705 or 1708, depending on whether they were built in the '70s or '80s: 1705 series numbers would identify 1976 to 1979 carburetors, with 1708 series numbers for those built after 1980 SERVICE MANUAL NUMBER 26 MERCARB 2 BARREL CARBURETOR 90-861329--1 MARCH 1999 Page 5B-1 FUEL SYSTEM Section 5B - MERCARB 2 BARREL CARBURETOR Primary Jet Size 1.55 mm 1.45 mm Power Valve Size 4 x 0.65 mm 2 x 0.60 mm Venturi Cluster I.D. Number 171 470 Accelerator Pump Discharge Hole Siz Rochester carburetor diagram. Rochesters timeless quadrajet four barrel carburetor can perform with proper tuning controlled power piston used in conventional 4m quadrajet carburetors. Rochester 1 barrel m mv 1me 1mv monojet. Delco rochester there are three basic model g rochester two bore carburetors. Rochester 2 barrel Rochester Carburetor Parts. NEW ROCHESTER CARBURETOR PARTS . Small Base 2G - 2GC - 2GV - 2-Jet and Chevrolet 4G - 4GC - 4-Jet and Quadra-Jet - Q-Jet Be Sure To Scroll ALL The Way Down The Page To See ALL Items . ALL PARTS LISTED BELOW ARE NEW . Please call us to discuss your application and it's requirements. Parts Orders by phone are mandatory. ROCHESTER QUADRAJET INSTALLATION ensure that your new Jet Performance carburetor is installed safely and correctly with the proper adjustments for optimum performance on YOUR engine. four (4): 2 - primary and 2 - secondary. TYPICAL SETTINGS QUADRAJET.
Rochester Products Division (RPD) was a division of General Motors that manufactured carburetors, and related components including emissions control devices and cruise control systems in Rochester, New York.In 1995 Rochester became part of Delphi, which in turn became a separate company four years later, and continues to manufacture fuel injection systems in Rochester, now part of General. Find solutions to your vacuum lines quadrajet carburetor question. Hi all, I've been struggling to tune my carb away from running very rich. I've tried using a vacuum gauge and adjusting the air mixture screws. carburetor, EFE. Time: author: bamomer quadrajet carb diagram vacuum I have a Rochester Quadrajet Carburetor Need v This Jet Performance Products 500 CFM 2GC carb is modified specifically for circle track racing. This Rochester carb complies with the IMCA rules. They are arguably the best OEM production two barrel carburetor for use in circle track racing. .135 needle and seat to ensure adequate fuel and supply Idle, transition, and accelerator pumps are modified 1-11/16 bore, 1-3/8 venturi Uses Holley. These carbs having an EGR vacuum port are mainly going There is one vacuum port on many Q-jet carbs that was used. chevelle tech, Rochester quadrajet vacuum port questions. engine the port going Olds vacuum identification and diagram, I did run across. i decided to start a new thread with questions regarding the vacuum i still want to find a.
Rochester Quadrajet Parts Diagram. 17058204 QuadraJet rebuild Parts: Quadrajet Parts. Quadrajet Parts Page. Rochester Quadrajet Carburetor Vacuum Diagram. Quadrajet Parts Diagram. Quadrajet Choke Linkage Diagram. Article Info. Quadrajet Identification images, similar and related articles aggregated throughout the Internet 77 STEPSIDE 454 - 400 ROCHESTER QUADRAJET # 17057512 NEED Rochester Quadrajet Carburetor Vacuum Diagram. Quadrajet Vacuum Routin We found that lots of people search Oldsmobile Rochester Carburetor Vacuum Ports Diagram on search engines like bing. Sep 06, · A ported vacuum source produces no vacuum signal at idle, but produces normal vacuum signal once the throttle blades are opened up just a tad. The ported vacuum source on the early Q-Jets is the port on the forward. There is one vacuum port on many q jet carbs that was used for the egr valve. Bamomer quadrajet carb diagram vacuum i have a rochester quadrajet carburetor need vacuum diagram. The motor will idle and run better if you pick up a vacuum source below the throttle plates for the vacuum advance and the choke pull off. Right goes to the brake booster
Exploded View of a Rochester 210 Carburetor Find the part you need by number: To request additional information or to obtain information on price and availability of any part shown above, please fill in our. Not only Rochester 2g Schematic, you could also find another pics such as Rochester 2 Jet Carburetor, Rochester 2 Jet Diagram, Rochester 2 Barrel Carburetor, and 2 Jet Rochester Carb. 1024 x 960 · jpeg. rochester jet marine rebuild Download Image More @ www.carburetor. Rochester 2 barrel carburetor vacuum diagram. This carburetor was more like the front half of a 4g than a 2g. The power valve is the same as used in the 4g four barrel and the accelerator pump is a similar design. The idle fuel mixture screw on the left side and the idle speed screw on the right side should be TRIPOWER. TUNING. TIPS. This section is for use in tuning FACTORY GM tripowers with ROCHESTER CARBURETORS. DO NOT ASSUME THAT THIS SECTION WILL HELP IF YOU ARE USING A 'HOME-BREW' TRIPOWER, OR ONE USING AFTERMARKET CASTINGS!!! Tripower was used by General Motors on Cadillac (1958-1960); Chevrolet (1958-1961); Oldsmobile (1957, 1958, and.
Rochester garnered fame with the Quadra-Jet carburetor, but their two-barrel models were equally praised. The four-barrel design incorporated two huge, secondary throttle bores that allowed an extra-large volume of fuel and air to enter the intake manifold. They were very popular decades ago and can still be found on. Rochester Carburetor - Models 4G - 4GC General Exploded View The general design and parts shown will vary to individual units covered on this instruction sheet. N-1427 Disassembly Use the exploded view as a guide. The numerical sequence may generally be followed to disassemble unit far enough to permit cleaning and inspection Main Metering Jet: 0.096---0.072 Metering Rod Sizes: 0.071 0.052 0.070 0.052-----Throttle Bore: 1 11/16 1 9/16 1 3/4 Main Venturi: 1 5/16 1 1/16 1 19/32 1 5/8 Small Venturi-----19/32 Pump Discharge Jet: 0.0225 0.031 0.035 Idle Speed Jet: 0.026 0.057 0.067 Carburetor Model: Rochester 2G: Rochester 4G : Rochester 4G : 283: 283.
Rochester Carbs . Rochester AA. 1949-50 Oldsmobile Rocket 88. Rochester Model B. 1950-1957 General Motors, Checker, Studebaker . Rochester BB. 1949 Cadillac, 1951-53 Oldsmobile. Rochester 2-Jet. 1955-1990 GM and others . Rochester 2G Special. 1956 Oldsmobile 88 . Rochester 4GC. 1952-1967 GM, Studebaker, Packard. Rochester H Rochester made carburetors from 1932 into the 1990's for many of the greatest cars - General Motors products like 5-6-7 Chevies as well as Studebaker, Packard and others. Some of the most sought-after Rochester carbs are the Tri Power carburetors that used three Rochester Two-Jet (2G) carbs on the Oldsmobile J-2 setup, 348 Chevy, Cadillacs, Pontiacs and the '66 Olds 400 3 Posts. #4 · Jun 19, 2014 (Edited) hello. My anyone can help me with this carb. small block 267 cid and rochester dualljet 210. After cleaning and assembling to the car, i start to tune carb. Start with 3 & 1/2 turn mixture screw, now about 500rpm. Turning out more 4 turns rpm increase, 5 turns rpm increase to 700rpm, turning out 6 and 7.
1957 Chevrolet V-8 2GC Carburetor Parts & Service Change Bulletin . 9D-1 March 1, 1954 - 1 page. Carburetor Specifications . 9-D-9B July 16, 1953 - 1 page. Secondary Main Metering Jet Changes on Rochester Carburetors 7005600 and 7005700 for 1953 Oldsmobile Applications . 9D-9C October 12, 1953 - 2 page rochester 2 jet carburetor kits. CK11 for early 60's Chevrolet, Olds engines (2G, 2GC, 2GV) CK15 for 2 Barrel (2GC, 2GV) CK22 for 1955-69 small base carburetors including Tri Power (2G, 2GC, 2GV) CK42 for 1961-69 large bore carburetors (2G, 2GC, 2GV) CK64 for 1968-71 Chevrolet, GMC, Jeep with small base carburetors (2G, 2GC, 2GV) CK65 for 1969. Marine Carburetors. Drive Type: MerCruiser/OMC/Volvo Penta. OMC. 2 Barrel. Remanufactured 2 BBL Rochester, 4.3L OMC. Email a friend. ×. Email a Friend. Please complete the fields below to send your friend a link to this product
Rochester 2 Jet Carb Manual The Old Car Manual Project Crg Research Report 1967 1969 Camaro Carburetors Diagram Jeep 4 2 Carburetor Diagram Full Version Hd Quality Ports On Quadrajet 4mv Corvetteforum Chevrolet Corvette Diagram Farmall Carburetor Diagram Full Version Hd Quality For Tim. Usa made carburetor parts for automotive marine rochester quadrajet 4 barrel carburetors. 4 barrel rochester carburetor diagram here you are at our site this is images about 4 barrel rochester carburetor diagram posted by brenda botha in 4 category on may 26 2019. Rochester tbi 220. Rochester 2 barrel 2se e2se varajet Rochester 1 barrel carburetor diagram you are welcome to our site this is images about rochester 1 barrel carburetor diagram posted by maria nieto in rochester category on may 30 2019. Rochester Monojet Fast Idle Cam Remember The Rochester 4 Barrel Carburetor Theeasygarden Com Rochester 2 Jet Idle Circuit Technica
The two-stage carburetor, built almost entirely of aluminum, first came out on GM front-wheel-drive vehicles. The Varajet would serve all GM divisions (see usage chart at the end) using the 2.5-liter four-cylinder and the 2.8-liter V6 until throttle body and port fuel injection technology made conventional carburetors obsolete 2 venturii and 2 separate but identical metering sys- terns, one for each carburetor bore. The 2-bore car- buretor is normally used on V-8 engines where each bore supplies air and fuel to 4 cylinders through a divided intake manifold. There are two different throttle body flanges used on the Rochester 2-bore carburetors. They are SA Kit is for Rochester 2 BBL GM 2-Jet Carburetors with engine application - Chris-Craft 4 cyl 153 2.5L 181 3.0L, 6 cyl 225 3.7L, 8 cyl 283 4.6L; Crusader 4 cyl 153 2.5L, 6 cyl 225 3.6L, 8 cyl 283 4.6L 327 5.3L; Gray 6 cyl 232 3.8L, 8 cyl 215 3.5L; Grumman Allied 8 cyl 300 4.9L; Kiekhaefer 4 cyl 95.5 1.6L 181 2.9L, 6 cyl 230 3.7 250 4.0L; Mercury Marine 4 cyl MCM 90 110 120 140 w. .. Quadrajet Parts Page. Parts: Quadrajet Parts. I am putting this rochester 4mv carb back together and two Rochester 4 Barrel Carburetor Diagram. Rochester 4 Barrel Carburetor Diagram - Hanenhuusholli
Rochester 2G Carburetors. View. List. Grid. Sort by popularity Sort by average rating Sort by latest Sort by price: low to high Sort by price: high to low. $ 299.99 Rochester Quadrajet Carburetor Chokes carburetors thermostats 4 barrel 4bbl Q-Jet - Carburetor Parts & Kits for Rochester, Carter, Holley, Edelbrock, Ford Motorcraft QJet, 4G, 2G, Mercarb Marine, AFB, AVS Thermo-Quad Carburetors Rochester Quadrajet Vacuum Diagram Hi there, Save hours of searching online or wasting money on unnecessary repairs by talking to a 6YA Expert who can help you resolve this. Had a question regarding my Quadrajet I'm trying to install on my ' Bought one from what appears to be a , which means there's plenty of vacuum ports . Your starting point may be at 2-o-clock or elsewhere, but the same principle applies. You must establish a starting point and start counting from there
Carburetors and More. 812 S. Virginia St. La Porte, TX 77571. 832-221-4007. Our secret to success is that every carburetor that we sell is tested on a live running engine before it leaves our shop. We know when they leave here they are ready to go to work for you !All of our carburetors are completely disassembled and cleaned with an ultrasonic. Each JET-prepped carburetor has fuel jets installed to suit an individual application. You tell them how your engine is built and how it will be used, and they'll build you a calibrated carburetor. When a carburetor that needs rebuilt is for a numbers-matching restoration and the owner is concerned about keeping all parts original, according to Russell, that's not a problem I also printed a blown-up version of the exploded parts diagram.Rochester QUADRAJET 4 Barrel Carburetor Parts USA made carburetor parts for Automotive & Marine Rochester Quadrajet 4 barrel carburetors. Carburetor rebuild kits, Bushing kits, Ethanol Compatible Accelerator Pumps, Jets, Rods, Floats, Gaskets, Needle & Quadrajet Carburetor Numbers 68 and later Date Code Most Rochester built Q-jets used a four-number Julian Date code. The first three numbers are the Day of the Year the carburetor was built; the last number is the Year. For example: Carburetor number 17058201 followed by a Julian date of 1238 would have been built the 123rd day of 1978 40/50 (Front Carb) 509S, 528S: Carter: 1941 - 42: 40/50 (Rear Carb) 510S, 529S: Carter: 1941 - 42: 60/70/90: 380239 (7-796) Stromberg AAV-167: 1941 - 42: 40/50 Super (Front Carb) 380103 (7-59A) Stromberg AAV-16: 1941 - 42: 60 Century, 70 Roadmaster, 90 Limited (Front Carb) 380104 (7-60A) Stromberg AAV-16: 1941 - 42: 60 Century, 70 Roadmaster.
Rochester Dualjet 210 Diagram rochester 4g 4gc walker products, chevrolet car carburetors, rochester two barrel carbs hemmings daily, rochester 2g 2gc 2ge 2gv walker products, your guide to the most popular rochester carburetors, rochester 210 exploded view carburetor factory, rochester dualjet 210 2mc m2mc m2me e2me e2mc carburetor . On these pre-1976 units, the next number immediately after these three digits, will be a 2, if the carburetor is indeed a Quadrajet. Occasionally you will see some with a 5 but these are for California emission standards carburetors
4 Barrel Rochester Quadrajet E4MED Carburetor. -For 1985-86 305 and 350 Chevrolet and GMC Engines. Available for 1985-86 5.0 / 305 and 5.7 / 350 GM engine applications. This Carburetor will replace your original equipment 4 barrel Quadrajet E4MED type, the GRAY plug on top has two wires coming out its side and a black connector at the end, it. Rochester 2 barrel carburetor vacuum diagram. Screws should be about 1 1/2 turns out for starters. 1 Vacuum advance; 2. For example, connect the hose marked 2 on the Rochester 2GC and Rochester Quadro-Jet to the port marked 2 on the Holley 4160, using the EGR line adapter supplied in the unassembled parts, if necessary Rochester Quadrajet OMC Marine Carb Carburetor Kit (Fits OMC 8 CYL 305 5.0L, 350 5.7L & 454 7.4L, Replaces 17057290, 17059285, 17059286 & 17086117) 4.2 out of 5 stars 58 $19.95 $ 19 . 9 NEW / NOS Offenhauser #1080 - Cadillac 2x2 Dual Intake Manifold - Fits 1949-1962 V8 - Drilled for Small Base Rochester 2-Jet Carburetors ** Regular Price of Intake from Offy @ $595.oo @ $495.oo + Shipping
They put the carburetors together from a pile of parts, and the tune is generic so it is hit or miss. Anyone who knows Q-jets will not even accept them for a rebuild. The Q-jet is a very refined carburetor. It was calibrated for the engine year and model it went on. That is much more than jets and rods, it is air bleeds as well