MARINE CARBURETOR ROCHESTER QUADRAJET 5.7L MCM 260 1347-9662A4. $365.00. MARINE CARBURETOR 4 CYLINDER 3.7 LITER MERCARB MERCRUISER ROCHESTER REPLACEMENT. $345.00. 1. Get the best deals on 4-bbl. Rochester Quadrajet Carburetors. Every Rochester Jet Marine carb is remanufactured to the …Complete overhaul and rebuild instructions for the Rochester Quadrajet four barrel carburetor. Call 970-779-0233 ... [Rochester Quadrajet Carburetors] [Quadrajet Rebuilding Service] [Quadrajet Carburetor Bushing Kit Instructions] [Quadrajet Photo Gallery] [UnWarping Service] Call Before Shipping 970-779-0233 [email protected] ...Quadrajet 4 MC, 4 MV Carburetor Trouble Shooting E4MC, E4ME Adjustment Procedures Metering Rod Sizes Primary Jet Sizes. I have a Rochester Quadrajet Marine Carburetor #17059286. It appeared to be flooding at idle and the fuel was leaking excessively from the throttle body linkages (on both left & right side).Rochester QUADRAJET 4 Barrel Carburetor Parts USA made carburetor parts for Automotive & Marine Rochester Quadrajet 4 barrel carburetors. Carburetor rebuild …Reference numbers in this diagram can be found in a light blue row below — scroll down to order. Each product listed is an OEM or aftermarket equivalent part. [ Example] # ... 823426A 1 - Repair Kit for Rochester 4 Barrel QuadraJet Carb [ More info] $42.08 In Stock. 18-7095 - Carburetor Kit 1397-9723 [ More info] $36.59 $31.65Rochester 4G, 4GC, 4 Jet 4-barrel carburetor technical information. Find rebuilding instructions, technical info, and troubleshooting help here. The model 4G and 4GC carburetors are a 4-bore downdraft type which provide the advantages of two 2-bore carburetors in one unit. The model 4G carburetor has a manually operated choke while …It is a R4-4MV or 4MC They can have a divorce choke (remote choke which means the choke is located on the intake manifold ) or Electric Choke (located on the side of the carburetor) .They started making Rochester Quadrajet 4 barrel carburetors in 1965 .From1965-1979 Most will have 7/8 inch 20 fuel inlet till 1971 and 1 inch 20 after . 1981—1986 Chevrolet Quadrajet Carburetor *Remanufactured. $324.95. Rochester 4jet or 4gc Type Carburetors for your Chevrolet in Stock. 4mv and e4me, e4mc types also in stock.Check out the photos on posts 63 to 65 on page 5 of the thread "Rochester Quadrajet 4MV Carburetor: Removal, Disassembly, Rebuild (Rookie Level)". If you still need more detailed pictures, I believe I still have the originals unedited, along with two 4MVs that I can always photograph again if more angles are needed. Hope this helps.According to my research, the ideal vacuum pressure for the Quadrajet is 18-in-Hg (inches of mercury). I adjusted the idle mixture screws and the best reading I got was about 17½-in-Hg. The gauge needle, however, was somewhat erratic so I concluded that this was due to a discrepancy in the mixture screws.ROCHESTER QUADRAJET INSTALLATION These instructions cover all QUADRAJETS. All carburetors are installed on our test engine prior to shipping. This test is performed to ensure that all idle circuits and other carburetor functions are working properly. Because there are so many different combinations, we cannot possibly duplicate the vacuum signalThe first thing I did was scrub the grime off the side of the carb body and locate the serial number. Stamped into the side of the carb were these numbers: …Rochester Quadrajet Carburetor Choke Thermostat TH1018. Shaft rotates clockwise to close choke (rich), 2.18" cap diameter, .70" cap depth. Part Number TH1018. $14.95. Select Options. Rochester Quadrajet 4 Barrel Divorced Choke Thermostat. CHEV/GMC TRUCK (8) 1977-78. Part Number TH1044. $21.95.Technical. Rochester Quadrajet, 4 barrel carburetor rebuild kit. Don't trust your rebuild on less. OEM style components insure proper fit and assist with easy rebuilding of the fuel system as all parts match the original OEM components. High quality coated gaskets insure a proper seal and resist today's volatile fuel mixtures in the marketplace.Check out the photos on posts 63 to 65 on page 5 of the thread "Rochester Quadrajet 4MV Carburetor: Removal, Disassembly, Rebuild (Rookie Level)". If you still need more detailed pictures, I believe I still have the originals unedited, along with two 4MVs that I can always photograph again if more angles are needed. Hope this helps.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. The spread bore bolt pattern of the 0-80555C lets you do just that. It has vacuum secondaries and electric choke, so it is useable on a wide variety of vehicles and its single fuel inlet that is in the standard Q-jet location makes it easy to bolt on. Don't trust your performance to just anyone, Holley is the only modular carburetor company ...Sep 7, 2017 · https://www.carburetor-parts.com is providing this video about setting the Quadrajet 4 barrel secondary opening setting. Rochester carburetor service manuals. cm010 Rochester Model B, BC Carburetor Manual. cm011 1961-1965 Small Base Rochester 2G 2GC 2GV 2-Jet Carburetor Manual. cm012 Corvair Rochester Model H Carburetor Manual. cm022 Rochester 2G, 2GC, 2GV Manual: 1955-1971 Small Bore (1-1/4") Carburetors.1978 Chevrolet 350. All models Chevrolet and GMC pick up. 4MV, This is divorced choke (remote choke) style 4 barrel Quadrajet carburetor. Choke element was mounted on the intake manifold and connected to the carburetor by rod. This purchase is for a custom built restored Quadrajet with original code stamp listed in description.Multiply the cubic inch displacement of your motor by the maximum rpm the engine will attain, then divide the total by 3,456. The resultant number will be the cfm necessary for your engine to run ...Step 1. Check the first three digits. They reveal when the carburetor was made. A “702” is for the 1960s era, a “703” is for the 1960s with AIR -- an air injection reactor -- and “704” is for the years 1970 through 1975. If there is a “1705” or “1708” as the first four numbers, this still is the year of manufacture, even ...This carburetor was made by Edelbrock , . It is a R4-4MV the 4MV is a divorce choke (remote choke) Rochester Quadrajet 4 barrel carburetor which means the choke is located on the intake manifold connected to the carburetor with a choke rod .They started making them in 1965 and ran threw 1974 trucks up to 1979.Ethanol Defense ED16. $19.25. Rochester Dualjet, Quadrajet Carburetor Brass Float FL35. $11.95. Quadrajet & Holley 4011 4 Barrel Carburetor Flange Gasket G963. $6.95. Spring set for Quadrajet Carburetors S110. $16.95. 4" Microtube Nylon Brush Set T1001.Mar 24, 2022 · This is part two of the Rochester rebuild series. Learn how to tear down and rebuild your classic car's 4 barrel carburetor. Josh will reassemble the carbure... We have the largest inventory of marine 1, 2 and 4 barrel remanufactured marine carburetors, as well as throttle body injection. Our remanufactured marine carburetor catalog covers MerCruiser, OMC, Volvo Penta, and all inboard carburetors including Crusader, Ford and General Motors. ... 4bbl Rochester Quadrajet Electric Choke for …Quadrajet 4 MC, 4 MV Carburetor Trouble Shooting E4MC, E4ME Adjustment Procedures Metering Rod Sizes Primary Jet Sizes. I have a Rochester Quadrajet Marine Carburetor #17059286. It appeared to be flooding at idle and the fuel was leaking excessively from the throttle body linkages (on both left & right side).2G. 1961-65 Buick, Oldsmobile and Pontiac 2GC (small bore) 1955-1971 Rochester 2-Jet Small Bore (1-1/4") carburetor manual. 1958-1969 Large Bore Rochester 2G, 2GC and 2GV Carburetor Manual. 1970-1990 Rochester 2-Jet Large Bore (1 1/2") Carburetor Manual. 1958-1960 Cadillac Triple Two Barrel Carburetor Manual. Mixture Screw - Roch. 2 & 4 bbl (Pair) 10-32 x1.3 NS-31-523 $ 10.95 Needle & Seat - R-2 4GC ... 1/32 thick Rochester 4 Large bore G975 $ 4.99 Throttle Body Gasket 1/32 thick Rochester 4 Jet G524 $ 4.99 Throttle Body Gasket ... Diagram 4GC 4G 4Jet . E-Mail [email protected] .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 carburetors Rochester Twojet carburetors Rochester Fourjet carburetors Rochester …It should not be removed as many enthusiasts do. The Quadrajet is a progressive four-barrel design with an air valve actuated secondary circuit. The idle mixture screws are located in the base plate for superior idle quality. PHOTO 3. The Quadrajet is considered a three-piece design: air horn, float bowl and throttle body.This first part of the Quadrajet Carburetor rebuild covers removal and disassembly of the Rochester Quadrajet. We removed the carb by removing the four bolts, throttle cable linkage and a vacuum hose. Raw fuel pooling on the floor of the intake manifold substantiates concerns that the carb has issues. Once on the workbench, the Quadrajet ...The Rochester Quadrajet 4-barrel carburetor also creates a better throttle response time and has a centrally-located float that gives excellent fuel control. Adjusting a Rochester Quadrajet 4-barrel carburetor is fairly simple when following these tips. Tools for Adjusting a Rochester Quadrajet 4-Barrel Carburetor. The tools required for ... Rochester carburetor service manuals. cm010 Rochester Model B, BC Carburetor Manual. cm011 1961-1965 Small Base Rochester 2G 2GC 2GV 2-Jet Carburetor Manual. cm012 Corvair Rochester Model H Carburetor Manual. cm022 Rochester 2G, 2GC, 2GV Manual: 1955-1971 Small Bore (1-1/4") Carburetors. Replace any worn or damaged parts Reassemble the carburetor Install the carburetor on the vehicle Quadrajet Carburetor Disassembly & Reassembly: Step by Step Process Quadrajet Power - Quadrajet Carburetor Disassembly & Reassembly: step by step process Watch on Rochester 4 barrel carburetor diagramRochester Quadrajet Carburetor 4 Barrel For Chevy 327 350 427 454 Engines 1966-1973, Replaces Corvettes 1975-1979 1901R 4BBL 4MV Carb 750CM Vacuum Secondary Durable Jets Kit w/Manual Divorced Choke. $20558.1 mar 2022 ... ... four-barrel carburetor that was produced from 1965 to 1990. And to be honest, the carb had some significant limitations for all-out racing ...350 Mag Alpha GM V-8 1987-1995 - Serial 0B525982 Thru 0F600999 - Carburetor (Rochester - 4 Barrel). Section Drawing: (Hover or click to view larger).Rochester Quadrajet 4 Barrel Carburetor Diagram Home Technical Help ROCHESTER Rochester Quadrajet Technical Help Exploded Views and Images Exploded Views and Images 1) FILTER NUT-FUEL INLET 2) GASKET-FILTER NUT 3) GASKET-FUEL FILTER 4) FILTER-FUEL INLET 5) SPRING-FUEL FILTER 6) SCREW-IDLE VENT VALVE 7) VALVE-IDLE VENT 8) RETAINER-PUMP ROD4. Make adjustments 1/2 a turn in either direction to find the smoothest idle speed. Turn the screw counterclockwise and clockwise 1/2 a turn from the middle position and listen to the sound of the idle. Set the screw in the position where the engine’s idle sounds most even and smooth to balance the fuel mixture.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 be stamped in main body casting after ...Carburetor, AVS 2, 650 cfm, 4-Barrel, Square Bore, Electric Choke, Satin, Annular Boosters, Each. Part Number: EDL-1906 4.78 out of 5 stars1979 Oldsmobile 350 403. M4MC, This is hot air carburetor mounted style 4 barrel Quadrajet carburetor. Choke element was mounted on the side of the carb, and drew hot air from the intake. This purchase is for a custom built restored Quadrajet with original code stamp listed in description. The basic pricing is for level 1 build which is perfect ... You are purchasing one Rochester 4-barrel carburetor. This unit has been professionally rebuilt; the unit has been disassembled and cleaned using ultrasonic ...Rochester Quadrajet 4-Barrel Carburetor 7041250 1971 Oldsmobile Olds Cutlass 350. $225.00. or Best Offer. 1972 72 OLDSMOBILE CUTLASS 350 QUADRAJET 4V CARBURETOR ...Mar 15, 2023 · For this reason, Rochester Quadrajet 4-Barrel carburetors are used in the most demanding and fastest of motorsports, including drag racing, oval track racing, and sprint cars. Benefits of using a Quadrajet 4-Barrel Carburetor. The most obvious benefit of using a Quadrajet 4-Barrel carburetor is the additional fuel delivery. Identify a Quadrajet – Quadrajet Number Search 1966-1975 Rochester ID number breakdown EXAMPLE – 7041240 – 1971 Buick Federal Quadrajet: 70 41240 (Our Example) 70 – Prefix for Rochester carburetors: Decade Identifier: 70 4 1240: 2 – 1960’s: 3 – 1960’s with A.I.R (California Only Smog equipment) 4 – 1970 to 1975: 5 – 1976 to 1982 Monojet – (1968 - up) (1 barrel) roll stamp on side of bowl. Quadrajet – (1965 - 1967) (4 barrel) round metal tag pressed into side of bowl. Quadrajet – (1968 – up) (4 barrel) vertical roll stamp on side of bowl. R Series – (R, RC) – (1962, 1963) (1 barrel) triangular metal tag . Tags: Tags beginning in 1949 were brass. The metal ...Our Price: $9.95. Add To Cart. 1/4" Flange Gasket Carburetor Rochester Quadrajet Base 4 Barrel Spread Bore. 1/4 inch Flange Base Mounting Gasket 4 Barrel Spread Bore (.250). Color may vary. Our Price: $9.95. Add To Cart. Choke Pull Off Link Rod Rochester Quadrajet Carburetor Vacuum Brake Rod 77 & Up.The Quadrajet four-barrel carburetor was produced by the Rochester Carburetor Division of General Motors from 1965-'90. It was produced in many forms, including electronic-control from...Rochester Quadrajet M4ME Series -4 Barrel Carburetor With Electric Choke -Fits 1980 to 1989 305, 350, 400 and 454 Engines -Chevrolet and GMC. $435.00. 4 Barrel Rochester Quadrajet M4MED Carburetor -For 1985,86,87 305 …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 economy and improved emission control have resulted in signifi- Nope, the hot rodding community never fully warmed up to the Rochester Quadrajet, the ubiquitous GM four-barrel carburetor that was produced from 1965 to 1990. And to be honest, the carb had some significant limitations for all-out racing use, including a small float bowl capacity and lack of adjustability.Buy THUNDERMINGO 4 Barrel Carburetor For 1901R Rochester Quadrajet 4MV Chevy 1966-1973 Manual Divorced Choke 1901-GG 4-BBL, ... THUNDERMINGO 4 Barrel Carburetor for Rochester Quadrajet Carb 4MV 1904R 1906R Replace for GM Chevrolet Chevy Cadillac 1980-1989 with 305-350 c.i Engine Vacuum …1981—1986 Chevrolet Quadrajet Carburetor *Remanufactured. $324.95. Rochester 4jet or 4gc Type Carburetors for your Chevrolet in Stock. 4mv and e4me, e4mc types also in stock. This carburetor was made by Edelbrock , . It is a R4-4MV the 4MV is a divorce choke (remote choke) Rochester Quadrajet 4 barrel carburetor which means the choke is located on the intake manifold connected to the carburetor with a choke rod .They started making them in 1965 and ran threw 1974 trucks up to 1979.Chevrolet was the first and only GM manufacturer to use the 4M Quadrajet in 1965. The 4G 4-barrel, however, was used on other Chevrolet V-8 applications, while radical, high-performance applications retained the Holley 4-barrel. Shown here is a 1966 Quadrajet, carburetor number 7026260. This basic design was typical of very early production ...Shop By Vehicle. Holley Replacement Carburetors are engineering to improve performance and keep you emission legal. The 0-6210 is a Model 4165™ Spread Bore designed to fit several applications. See application chart below in tech resources for specific details.So you've acquired a project, open the hood and find there's no carburetor or throttle body bolted atop your new engine. How do you find out what you need? ... Large Holley 2-Barrel To Small Rochester 4 …Carburetor Reference Sheet and Related Parts: Brand: Rochester Type: R4-M4MC Quadrajet Qjet Number: 17059205: CU: 4-308: General Reference Picture of a R4-M4MC Actual Reference Picture: Disc: 78-79 350 Chev/GMC/Truck Notes: Notes Cyl:8 Rebuild Kit: KT-5312D: Check here for Muscle car Info. Float: FLT-100-17The Rochester Quadrajet 4-barrel carburetor also creates a better throttle response time and has a centrally-located float that gives excellent fuel control. We strive to provide a comprehensive line of carburetors, carburetor accessories, as well as service parts. Should you have a specific application that is not covered on this website, then ...The Quadrajet four-barrel carburetor was produced by the Rochester Carburetor Division of General Motors from 1965-'90. It was produced in many forms, including electronic-control from...Rochester 4-MV a.k.a. Q-Jet, Quadrajet 7028273 (Pontiac Ram Air) note the dust cover (boot) covering the accelerator pump shaft. The choke pull-off is a replacement, as the originals were gray and black plastic, rather than white plastic. Two Rochester type 4-GC 4-barrel carburetors used on the 1955 Cadillac El DoradoDescription, 4MV, 4MC Diagram. 1- Choke Shaft and Lever. "M4ME, M4MEA, M4MEF". (QUADRAJET) QUADRAJET AND DUALJET. Please order metering jets by orifice .. MANUAL CHOKE. VALVE SPRING. The Rochester Quadrajet is a four barrel, two stage carburetor The Quadrajet carburetor has two distinct and sepa- buretor Parts and Service Manual 9X). Rochester ...Carburetor Reference Sheet and Related Parts: Brand: Rochester Type: R4-4MV Quadrajet Qjet Number: 7042203: CU: 4-431: General Reference Picture of a R4-4MV Actual Reference Picture: Disc: 72 Chevy Chevy/GMC Truck Notes: Notes Cyl: Rebuild Kit: KT-5248: Check here for Muscle car Info. Float: FLT-100-7: Acc Pump: Carburetor Reference Sheet and Related Parts: Brand: Rochester Type: R4-M4MC Quadrajet Qjet Number: 17059205: CU: 4-308: General Reference Picture of a R4-M4MC Actual Reference Picture: Disc: 78-79 350 Chev/GMC/Truck Notes: Notes Cyl:8 Rebuild Kit: KT-5312D: Check here for Muscle car Info. Float: FLT-100-17Rochester Quadrajet Carburetor Choke Pull-Off P7091. $16.95. Quadrajet Marine Premium Upgrade with FL36 - PK118. $18.80. Spring set for Quadrajet Carburetors S110. $16.95. 4" Microtube Nylon Brush Set T1001. For you math guys, the formula looks like this: CID x max RPM / 3,456 = CFM. (example: 350 x 6,000 rpm = 2,100,000 / 3,456 = 608 cfm) The engine in the above example would need a 600-cfm ...Rochester Quadrajet Carburetor 4 Barrel For Chevy 327 350 427 454 Engines 1966-1973, Replaces Corvettes 1975-1979 1901R 4BBL 4MV Carb 750CM Vacuum Secondary Durable Jets Kit w/Manual Divorced Choke. 4 Barrel Carburetor For 1904R 1906R Rochester Quadrajet 4MV, Fit for GM Chevrolet Chevy Cadillac 1980-1989 with …Automatic Choke Adjustment. This adjustment screw is for the ‘adjustable part throttle’ and is factory set, leave it alone. If you already removed it, turn it in until seated, then turn out 4 turns. Turning the screw down (clockwise) creates a leaner part throttle mixture. Updated on 06/29/2022.This can be caused by several things, but there is one item often missed by the rebuilder and that is the idle tube. These are very small passages and get clogged easily with ethanol residue. Use thin wire to clean out the passages completely. Blow out with compressed air. A whistle with air will indicate a clean passage.More like this. an engine diagram for the ford model t - 3, with parts labeled in english ... Quadrajet Electronic Carburetor Rebuild - Teardown Part 2. Quadrajet ...All These Part Numbers Interchange Into Our Part No. 41-284N Rochester 7025054 Rochester 7025055 Rochester 7025157 Rochester 7025158 Rochester 7024054 ... Air/Fuel Ratio is Crucial to a Good Running Carburetor. If you Order a Carburetor from Us, I can Guarantee You the Carburetor Will Run Smooth, Clean, and Have the Power there ...four (4): 2 – primary and 2 – secondary. TYPICAL SETTINGS QUADRAJET – 3 to 5 TURNS FROM SEATED. CARTER – 2 to 4 TURNS FROM SEATED. HOLLEY (2 Screws) – 1 to 2 TURNS FROM SEATED. HOLLEY (4 Screws) – ¾ to 1 ½ TURNS FROM SEATED. AIRDOOR TENSION ADJUSTMENTS – (QUADRAJET) If you encounter a bog or hesitation when the secondaries open ...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 CarburetorsIt is a R4-4MV the 4MV is a divorce choke (remote choke) Rochester Quadrajet 4 barrel carburetor which means the choke is located on the intake manifold connected to the carburetor with a choke rod .They started making them in 1965 and ran threw 1974 trucks up to 1979. Most will ...1981—1986 Chevrolet Quadrajet Carburetor *Remanufactured. $324.95. Rochester 4jet or 4gc Type Carburetors for your Chevrolet in Stock. 4mv and e4me, e4mc types also in stock. As we mentioned, the Quadrajet is a spread-bore design carburetor, using 1-3/8" primary bores and 2-1/4" secondaries. The smaller primary bores give the …Mixture Screw - Roch. 2 & 4 bbl (Pair) 10-32 x1.3 NS-31-523 $ 10.95 Needle & Seat - R-2 4GC ... 1/32 thick Rochester 4 Large bore G975 $ 4.99 Throttle Body Gasket 1/32 thick Rochester 4 Jet G524 $ 4.99 Throttle Body Gasket ... Diagram 4GC 4G 4Jet . E-Mail [email protected] .Replacement Rochester Quadrajet Carburetors Installation and Troubleshooting Guide 1968-1981 Corvette Thank you for choosing Mid America Motorworks for this high quality Remanufac-tured Rochester Quadrajet Carburetor. Ethanol blends in gasoline today are responsible for many fuel system issues and carburetor failures on older Corvettes.On this ID page you will be able to visually verify that you have selected the correct carburetor for your application and then place your order or call 1.800.250.8746. Our staff will verify you have ordered the correct marine carburetor from the carburetor information you fill out in the ordering process. All carburetors have a complete one ...Detailed step by step process to properly rebuild your Quadrajet Carburetor. Watch the entire video as it is very details to make sure you complete your job ...Except for the couple items above, a 50-year-old Q-Jet really can simply be replaced with a Sniper EF, From single barrel Carter to the four-barrel Rochester, we cover them all. Mai, Rochester Quadrajet 4 Barrel Carburetor Diagram Home Technical Help ROCHE, 4 Barrel Rochester Quadrajet - Divorced/Manifold Choke . Menu. home. Home; About Us; Carburet, Three Holley two-barrel carburetors fuel the Corvette's, Rochester Quadrajet Carburetor Chokes carburetors thermostats 4 barrel 4bbl Q-Jet, Rochester Quadrajet 4 barrel carburetor identification. Find out where the carburetor numbe, More like this. an engine diagram for the ford model t - 3, w, Oct 10, 2016 "Quadrabog," "Quadrajunk,", 4 Barrel Carburetor for Rochester Quadrajet Carb 4MV 1904R, 1 mar 2017 ... Need to remove, inspect, service, repair or , Rochester Quadrajet Carburetor 4 Barrel For Chevy 327 350 4, Step 1. Remove the air cleaner. Look into the top of the carburetor , As we mentioned, the Quadrajet is a spread-bore design carbur, Attention Please: Due to high demand, This item wil, 1. Locate the air filter and remove it. On most cars, yo, Rochester Quadrajet Carburetor 4 Barrel For Chevy 327 350 427 , 3. Ensure that the choke mechanism of the new carbur.