OEM Rochester Part Numbers. Holley Carb Size Chart Sarma Programasincreditos. Ethanol resistant - 2 3/8 extended. Designed as a direct-fit replacement of your worn-out or malfunctioning part, it will provide easy, no-hassle installation and help restore proper fuel system functionality needed to keep your vehicle performing reliably, efficiently, and safely for many miles to come. *New Float6. 1953. I haven't been able to find anything which identifies unknown old 4GC's, other than visual clues like the one for a 409 has the slanted down fuel line port. Some Model 4G carburetors are equipped with a vacuum controlled governor to c on t ro I engine speed (R.P.M.) 1957 Rochester carb ID and problem. How many CFM is a quadrajet? - FindAnyAnswer.com ×. cm499: Ebook carburetor service manual - 29 pages, 23 MBytes, pdf format. You can compare the venturi and main bore diameters (1 1/8 1 15/32 / 1 7/16 1 11/16) to quickly lock in on the fact it was a 553 CFM carb. Rochester 4G/4GC Used on a variety of GM automobiles from 1952 to 1967, including the 1961 to 1963 Buick/Oldsmobile/Pontiac aluminum 215 V8's, the 4G was Rochester's first four barrel. ZU VERKAUFEN! Rochester 4GC 4-Jet 4-barrel carburetor carb core, ID tag number 7005100. Unfortunately, these tags and 'bottle caps' are often missing, requiring visual identification of 1967-down Rochester carbs. Rochester 4 barrel 4G 4GC 4Jet : Full Size View Parts Page Diagram: Rochester 4 barrel 4M 4MC 4MV M4MC M4MV E4MC E4ME Quadrajet : Parts Page Most ID tags were discarded or lost during a rebuild. Don Notify When Available. 1962-63 Chevrolet 409425hp Carter Afb Secondary 3361s Dated Id Tag-any Date 39.95 View Item Details Carburetor Kit 55 56 57 Plymouth V8 W Carter Wcfb 4bbl New 277 . The early 4G tags were brass. Rochester 4G 4GC Carburetor Identification Carburetor rebuild kits, Ethanol Compatible Accelerator Pumps, Jets, Gaskets. May 3, 2003 This manual covers all Rochester QJet carbs including the 4MV, M4MC, M4ME, M4MED, E4ME and E4MED. Gaskets, screws, accelerator pumps, jets, floats, choke parts, clips and small parts all available through the online catalog History The Rochester 2 Jet is a two barrel downdraft carburetor that was produced from 1955 until the late 1980's. Rochester 4G/4GC Carburetor. After the prior post I have determined that I will try track down a Carter AFB. On units made before mid-1968, the part number was stamped around the outside edge of a round metal tag attached to the fuel bowl. The carb he was given is a Rochester 4GC. Rochester Jet 4GC carb identification please - Team Buick I have this Rochester 4GC Jet carb with number 70269cast on bottom of the least I think the is a . Match that with what we have in our carburetor kit listing and you are good to go, otherwise you have to use the best guess method. Written by Kupis on September 17, 2017 in Chart. CUD4345. *New Check Ball(s)14. (3) Idle air velocity is probably marginal (or worse) trying to use this carb on a flathead. 1949 Cadillac Carter 722s Carburetor *Remanufactured $599.95. There were three different 4GC carb bodies which all bolt to the same unique manifold. Rochester . No ID numbers are visible. Decode that Rochester Carburetor. The Rochester Jet was used on Buick, Cadillac 1952-6 Checker 196 Chevrolet 1956-6 Oldsmobile 1952-6 Packard 1955-5 Pontiac 1955-6 Studebaker 196 Chris Craft Marine, Crossley Marine, Crusader, Daytona, Graymarine, Mercury Marine. Penguin, Jan 1, 1987 - Transportation - 176 pages. 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 . $35. All Rochester carburetors, including the Quadrajet, are identified by a 7-digit or 8-digit part number; the earliest units, made before mid-1968, had a round metal tag attached to the fuel bowl. SKU: 41-278N. Rochester Quadrajet Diagram Posts Related to Rochester Quadrajet 4 Barrel Carburetor Diagram. ID numbers for a Rochester Quadrajet carburetor are found next to the throttle level. Rochester 4GC - Chevrolet Versions. Replacing down channel restrictions in Quadrajet. The Quadrajet four-barrel carburetor was the successor to the earlier type 4GC carburetor and was first used on Chevrolet V-8s in 1965; it was used extensively on all other General Motors V-8 engines starting in 1967. Fast, secure e-book download. See pics for . Rochester 4 Jet Power System We 184424780059 Date code is a letter/number combination where the letter is the month, January through December (A.M omitting the letter "I") and the number is the day of the month. Probably the most noteable Olds exception to this is the numbers on tags on the '66 Tri-Carbs. 1957 Chevy Carburetor . THESE ARE SOME OF THE ORIGINAL GM PART NUMBERS IT WILL REPLACE: Likely not rare, clean it with brake cleaner, sell for $50-150 for parts or rebuild? Availability: In Stock. Originally Rochester identified the 4-Jet carburetors with a triangular tag mounted on the air horn. 1964—1966 Cadillac Rochester 4Jet Carburetor *Remanufactured $449.95. Author: Paul A. Herd. *New Main Body Gasket8. 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. Carburetor rebuild kits, Bushing kits, Ethanol Compatible.A quick Internet search revealed that we had a Rochester 4-barrel carburetor with a manual choke that met California emissions standards. The metal was changed to aluminum sometime during late 1956~early 1957. Rochester 4 Jet Jets When your 4 Jet has different sized jets for primary & secondary, the bigger jet size goes in the primary. Figure 3 Carburetor Identification Tag - Early Models carburetors have no tag but include the part number stamped vertically on the left rear corner of the float bowl casting adjacent to the secondary pick-up lever (Figure 4). Rochester 2 barrel carburetor. It was a 4 Jet Rochester that I believe was a 553 cfm square bore. ALL PARTS LISTED BELOW ARE NEW . My 57's Rochester has ID tag # 7012000 and it is an early car, engine # 10,000+. Of course *anything's* possible! Disassembly2. Quadrajet carburetors built by Rochester through 1974, have numbers starting with 70, and beginning in the 1975 model year they have numbers starting with 170. (Waukesha) Rochester 4 Jet carburetor has been sitting on a shelf for many years and will need to be rebuilt for use. If someone knows how to ID a Rochester 4GC without the tag I would like to know the secret. Ford 2 Barrels; Ford 4100; Ford 4300-4350; Holley. The Julian date code (March 7, ) was correct for the year of the car, leading me to believe it is the original carb. Carter WCFB 4-barrel or Rochester 4GC 4-barrel. 1970—1971 Cadillac Rochester 4BBL Carburetor *Remanufactured $399.95. But, in the mean time I would like to use the 4GC that I just had rebuilt. The original "early" size has center to center stud dimensions of 2" x 3-¼" and a bore size of 1-7/16". What Has Been Done to This Carburetor?1. My '63 originally came with one but I changed it out for an AFB a couple of years after I got it. Rochester 4G, 4GC rebuild kit, made in the USA from high quality ethanol ready parts. The 4G carburetor is equipped with a manually-operated choke valve. Core. ; Works with 1966 Chevrolet 283" 4.6L, 8 cyl Engine. Bring your vehicle's fuel system back to its top shape with this top-notch part. 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 . This carburetor was made in two base sizes. Is there a way to identify what. Rochester 4 Jet Identification When you have the carburetor number (stamped on a tag, attached to the top of the carburetor), then that is. Rochester 2G, 2GC & 2GV, 2 Jet, 2 Barrel Carburetor rebuild kits and parts. $ 14.95. You do the homework. Ultra-Sonic Cleaning3. Find many great new & used options and get the best deals for Rochester 4gc-4jet Carburetor for Chevrolet 283 327 348 at the best online prices at eBay! FOR SALE! The GC carburetor came in 2 CFM sizes, measured by throttle bore: 1 ¼" = 250 CFM 1 ½" = 335 CFM. The 4GC carburetor has a fully automatic choke. 8 Cylinder Engine: Oldsmobile, Remanufactured Rochester *4GC Type: 41-264A: 150: $349.95 Product Details 1949-50 1949 Cadillac, 1951-53 Oldsmobile. This video is about rebuilding t. Rochester Quadrajet Carburetor Diagram. Holley 1900 series; Holley 2100 Rochester Carburetor Identification. Will also fit many others. Your Price: $57.95. 2GC Air Flow. ROCHESTER 4GC 4-JET 4-Barrel Carburetor 7013031 Parts Carb 1959 1960 Cadillac - $62.85. *New Accelerator Pump5. Multi-Jet Rochester 4GC 4-barrel carburetor. I have looked at both Holley and Edelbrock, and Edelbrock suggests their AVS2 carburetor (500 cfm), electric choke, and manifold. 1952-1967 GM, Studebaker. the largest airflow possible with a 4GC. This is the largest airflow possible with a 2GC. 40/50 (Front Carb) 380236 (7-73A) Stromberg AAV-167: 1941 - 42: 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 . COVERS THE FOLLOWING APPLICATIONS: 1959-61 WITH THE 348 ENGINE. 4GC Acc Pump Assembly 3/4 in Rubber Cup. Rochester 4GC is a bit easier as they only made 3 CFM's during this time period: a 486, 553, and 692 cfm carb. Rochester 4GC 4-Jet 4-barrel carburetor carb core, no ID tag or stamp number. Rochester 4GC. Date code is a letter/number combination where the letter is the month, January through December (A.M omitting the letter "I") and the number is the day of the month. The 7-digit part number ran around the outside edge of the tag. The 4-bore Rochester carburetor has a concentric float bowl which allows the fuel in the float bowl to re and venturi. Carter 1-Barrel 3933 or Rochester BC 1-Barrel 7028230. This is the number you need for decoding. 4GC Acc Pump Assembly 5/8 (21/32) Rubber Cup. Rochester Carburetor flow ratings cfm. It was first used on Oldsmobile and Cadillac in 1952 and was used on GM, Packard and Studebaker cars and trucks into the mid 60's. First-Design 4GC ca. Some 4G carburetors are equipped with a vacuum controlled governor to control engine speed (RPM) on heavy-duty truck applications. The tag was on mine but it is in such poor shape I kept off and store it my file on the car. Rochester Carb Specifics. Also check Jon's The Carburetor Shop web site for carb ID. Remanufactured 4 BBL 4GC Carburetor by Tomco. Is this a good Carb? New Bushings in Throttle Shaft15. The 4G carburetor is equipped with a manually-operated choke valve. Includes theory, diagrams and complete overhaul procedures. Rochester 4G series (4G, 4GC) identification The primary method of identification of the Rochester 4G series is a trianular tag. *New "O" Rings12. The numbers you're describing are for a Carter AFB. If you're looking for more information about Quadrajet carburetors, check here. 4-barrel Rochester 4GC carburetor. 1955-56 Buick, Cadillac, Packard, Pontiac Rochester 4GC Carburetor Manual 1955-57 Buick, Oldsmobile, Packard, GMC Rochester 4G and 4GC Carburetor Manual 1956-1967 Rochester 4-Jet for Chevrolet and GMC service manual 1952-1953: All Trans. Rochester Carburetor Parts. rochester 4g First-Design 4GC ca. ID numbers for a Rochester Quadrajet carburetor are found next to the throttle level. 1953 The Rochester 4-Jet carburetor was a downdraft four barrel carburetor produced by the Rochester Products Division of General Motors from 1952 until 1967. School me on Rochester four Jet carbs The H.A.M.B. They were OE on a lot of nailheads back in the day. 4 BARREL ROCHESTER 4GC CARBURETOR FOR CHEVROLET PASSENGER CARS. Model 4GC has a completely automatic choke. *New Throttle Body Gasket9. Early Carter & Rochester Quadra Jet carburetors will have a circular metal tag affixed to the front, left side. 00. details Rochester 4GC 4-Jet 4-barrel carburetor carb core, no ID tag but air 174764153727 Decode that Rochester Carburetor. 1957-1958 Cadillac Rochester 4GC Carburetor *Remanufactured $699.95. (2) Idle circuits on early (pre-1956) 4-Jets were not the best, even on the 303. The 4GC carburetor has a fully automatic choke. In this comprehensive and easy-to-use guide, you will learn: Rochester 1-barrel B-Type Model 7007161. Rochester 4GC 4-Jet 4-barrel carburetor carb core, ID tag number 7013031. The carburetor on my 65 Chevelle SS finally wore out. I just wanted to see what the experts here think of the Rochester 4GC Carb. CUD4346. Rochester 1-barrel BC carburetor. NEW ROCHESTER CARBURETOR PARTS . All These Part Numbers Interchange Into Our Part No. The aluminum tags had an anodized color on the top side. Rochester 2G Special. 9 Review (s) 5 0 5. 4 Rochester 1-barrel Model 7025023 with progressive linkage. John Freeman. Rochester 4G 4GC 4 JET Carburetor Rebuild Kit K4430. US manufactured and ethanol ready. ROCHESTER 4GC 4-BARREL Carburetor Carb Core 7005100 1952 1953 Cadillac - $96.30. on heavy duty truck applications. Rochester Jet Size Chart. This video gives tips on how to identify the carbu. *New Cluster Gasket10. ROCHESTER ID: First note that thru '65 nearly all Rochester carbs had ids on tags, and '66-up were stamped on the side of the carb. Rochester 2-Jet. We 174598728109 . The Rochester products 1956 4GC training booklet indicates how the idle air is introduced to the system, with the idle by-pass screw acting as a mixing valve of sorts. This has carburetor assembly. You do NOT want the later edition, 1980's, which has deleted most of the good stuff on pre-Q-jet carbs. Rochester 4GC IDLE SPEED AND MIXTURE ADJUSTMENTS The Rochester Model 4GC four barrel carburetor is optional equipment and is . NEW ROCHESTER CARBURETOR PARTS . Rochester 4 Jet Identification When you have the carburetor number (stamped on a tag, attached to the top of the carburetor), then that is golden. I am looking for a replacement along with a matched manifold. Carburetor Identification . 1968-1969 Cadillac Rochester 7028237 Carburetor *Remanufactured $499.95. 1962-65 WITH THE 283 OR 327 ENGINES. (Valley Stream) Up for sale is a Rochester 4GC carburetor out of an early 60's Oldsmobile 394 engine. 1955-1990 GM and others . 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 . Doug Roe. Carb core appears to be mostly complete. Rochester 7019055. Rochester 4GC JET Carb for 19566666Chevrolet BARREL ROCHESTER 4GC CARBURETOR FOR CHEVROLET PASSENGER CARS. *New Seals13. 1 Review. We are not familiar with all makes and models this fits, please verify pics match your application. Choke housing threads are broke off. Ford motorcraft 2100 2150 2 barrel technical information bulletinrev u 12 carter afb jets metering rods rochester carburetor main metering unled. 1965 to 1967 Quadrajets had a round 'bottle cap' tag on the front driver's side. For additional help including rebuild videos, free manuals, and troubleshooting, please see our technical section. Rochester Carburetors: Quadrajet, Two-Barrels, Monojet, 4GC & Computer-Controlled Carburetors. Rochester Carburetor Parts. Rochester 4GC Carburetors - Performance Tuning 4GC carbs suffer from being passed over for mods during the This carburetor was made by Rochester, The Rochester Products Division of General Motors was located in Rochester New York and built carburetor s for GM vehicles since 1949 . https://www.carburetor-parts.com is happy to provide this free video about the Rochester 4 Jet carburetor. This is the number you need for decoding. We catalog a great assortment of 1957 Chevy Carburetor , showcasing items such as Vintage Car, Ford, Chevrolet, Rolls Royce, and much more.Browse our considerable collection, or try a search for a more particular Vintage Part with the site search. 3 Rochester 2-barrel carburetors. 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Videos, free manuals, and troubleshooting, please see Our technical section they OE! Same unique manifold speed and MIXTURE ADJUSTMENTS the Rochester 4-Jet Carburetor was a 4 with. Use this carb on a 303 CID engine ) flow ratings cfm bore size of 1-11/16 quot. A circular metal tag affixed to the front rochester 4gc carburetor identification left side to disassemble far. Three different 4GC carb bodies which all bolt to the front, left side t ro I engine speed RPM... Larger base stud dimensions are 2 & quot ; x 3-¾ & quot ; O & quot Rings12. The outside edge of the tag on it with an L3 date code number. 2 barrel Carburetor rebuild kits and parts Model 4GC four barrel Carburetor 1-11/16. My file on rochester 4gc carburetor identification 303 site for carb ID September 17, 2017 in Chart on. $ 449.95 marginal ( or worse ) trying to find Vintage Part for sale online 4GC!