Rochester quadrajet marine carburetor identification. html>kqym

Rochester quadrajet marine carburetor identification. Contact The Carburetor Doctor Inc. The primary side covers the forward half of the carburetor assembly. quadrajetpower. Another option is to go to the Rebuild Your Carburetor page for pricing, and instructions on how to ship your carburetor to us. BUICK (8) 1975-76, OLDSMOBILE (8) 1975-77, PONTIAC (8) 1975-76. 4 BARREL ROCHESTER QUADRAJET 4MV MARINE CARBURETOR FOR V6 4. 250. Best Quadrajet Parts IDENTIFY YOUR CARBURETOR 4 BARREL ROCHESTER QUADRAJET MARINE CARBURETOR FOR V8 7. Every Jet Marine Q-jet is remanufactured to the strictest quality standards; Remote and Electric Choke; Made in the USA. 4MC 4MV Instructions & Measurements M4MC (75 later) Instructions & Measurements. These carburetors are also manufactured with all new components. Made specifically for Volvo Penta Marine. Louis produced millions of quadrajets under license from GM from 1966 through 1979. E4MC AND E4ME Instructions and measurements. Example: 7028219 DG1938 . Rochester 4 Jet, 4GC Carburetor Numbers. It was designed to meet the requirements for better fuel economy, improved emissions, and increased power. These carbs where assembled using Unlike most other 4-barrel carburetors, the Rochester Quadrajet 4-barrel carburetor allows the throttle plates to be opened wider, making the carburetor more efficient. Find out where the carburetor number is on this carburetor. IF You Have Carburetors to Identify . 4 LITER 454 CID BIG BLOCK MERCRUISER ENGINE Rochester 4 Barrel Quadrajet With ELECTRIC CHOKE UPGRADE For 8 Cylinder Mercury Marine 454 CID / 7. rochester quadrajet (4MC, 4MV) carburetor kits. Aug 1, 2010 · From 1967 through 1972, the venerable Quadrajet carburetor was used on many Chevelles ordered with standard performance engines, and those applications will be Mar 19, 2015 · Roll Stamp Identification: By the mid 1960s, the Rochester Quadrajet was identified as the main carb unit to be used on GM cars requiring big bore power air flow. And because they… 1966 Rochester Quadrajet used on 327 Chevrolet engine with manual transmission, no. ca Toggle navigation Sep 23, 2018 · Rochester two-barrel carburetors enjoyed a long production run and were used on GM cars and trucks, Studebakers, Jeeps, and also on many Mercruiser, OMC and Volvo-Penta marine engines. Most other types are considered "square bore," with the primary and secondary venturis being roughly equal in size. It was particularly popular in General Motors vehicles but was also used by other manufacturers. The first three numbers are the Day of the Year the carburetor was built; the last number is the Year. These carburetors where assembled using only the highest quality components, They feature: All new Identification codes indicate the car or truck a carburetor was designed for and what transmission it was used with. I have a Rochester Quadrajet Marine Carburetor #17059286. com. 7 LITER MCM 260 1347-8292. Tune up your automotive and marine Rochester 4 barrel Quadrajet carburetor with our USA made premium carburetor rebuild kits. LP – liquid petroleum gas carburetor. Marine Quadrajet Carburetors. 2 Jet 2G 2GC 2GV Carburetor Numbers. Rochester Quadrajet Carburetor Manual CM242 Ebook carburetor service manual - 137 pages, 63 MBytes, pdf Detailed service information with operating principles, service instructions and diagrams. 4 LITER ENGINE. Apr 20, 2023 · The Rochester Quadrajet is a four-barrel carburetor that was first introduced in 1965 by the Rochester Products Division of General Motors. Meets or exceeds manufactures specifications Air cleaner to carburetor gasket Flange gasket (thick) Float bowl gasket Throttle body gasket Accelerator pump w/ethanol ready cup Viton tip needle & seat Float to seat clip (prevents sticking) Thermostat gasket Fuel inlet gasket Check ball Choke shaft seal Quadrajet 4 MC, 4 MV Carburetor Trouble Shooting E4MC, E4ME Adjustment Procedures Metering Rod Sizes Primary Jet Sizes. Free manual. I rebuilt it using a kit I ordered from you. The truth is, a properly tuned Quadrajet can be just as efficient and reliable as a bolt-on substitute performance carburetor. 800. 00. Aug 9, 2011 · IT IS IMPOSSIBLE TO IDENTIFY ROCHESTER CARBURETORS FROM CASTING NUMBERS ALONE! Carter built quadrajets: Carter Carburetor Company of St. Everything shown in the photo is included in the kit, additional parts may be purchased by choosing your carburetor type in our main catalog . Chevrolet Carb numbers. Reviews. DG 1938. 7026203 - number is on the blue 'bottle cap' visible on the throttle side Design The QJet is a large 4 barrel carburetor that has a small primary side for fuel economy and good emissions and a large secondary side for good performance. Examples of each form are as follows: Pre-76. To check your custom application or for a particular part number not listed on the website please call us at (800) 526 9952 Oct 7, 2015 · In most cases, these numbers can be used to identify the year and original application of the carburetor. They are a great upgrade from stock GM marine carburetors and arealso equipped with our industry first lean/rich adjustment allowing 15% +/- main circuit adjustment to allow for The Quadrajet is a four barrel carburetor, made by the Rochester Products Division of General Motors. Marine; Industrial; Zenith Model 28/228 Identification. If you’re looking for more information about Quadrajet carburetors, check here. From1965-1979 Most will have 7/8 inch 20 fuel inlet till 1971 and 1 inch 20 after . MARINE CARBURETOR ROCHESTER QUADRAJET 4 BARREL 350 5. For the most part, even numbers were used on automatic transmissions, and odd numbers on manual transmissions, but there were numerous exceptions. I assumed the carb needed to be rebuilt and the leaking was normal (from a drain in the carb) when flooded. The Quadrajet is known for its versatility, able to support a wide range of engines, from small V6s to big block V8s. The following information covers how to decode your Rochester Carburetor: The carbs are found in two forms, one produced prior to 1976, one produced after 1976. Rochester Quadrajet 4MV Carburetor Kit. It appeared to be flooding at idle and the fuel was leaking excessively from the throttle body linkages (on both left & right side). It was a popular choice in many American vehicles from the 1960s through the 1980s. These carbs where assembled using only the highest quality components, They feature: All new parts and gaskets including brand new choke pull-off, float, needle and seat ,ca Marine Carburetors; Carburetor Type; Marine Rochester; 4 Barrel Rochester Quadrajet - Divorced/Manifold Choke . By the mid-1960s Rochester carburetor numbers started to become mostly standardized. Our carburetor rebuild kits feature online exploded view instructions and adjustment specifications, quality gaskets, ethanol resistant accelerator pump components and hi-flow needle and seats. IT IS IMPOSSIBLE TO IDENTIFY ROCHESTER CARBURETORS FROM CASTING NUMBERS ALONE! Rochester part numbers and application: Virtually all Rochester carburetor numbers produced from 1949 through 1974 are included in the application listings on this website. 3 LITER ENGINE Rochester 4 Barrel Quadrajet With MECHANICAL or MANIFOLD CHOKE For 6 Cylinder 4. 7 liter (350). These numbers can be found on the side of the carb main body next to the throttle lever , 1965 to early 1968 was a round disc 1968 and later ones where stamped into the body on quadrajets. 70 - Prefix code. comOnce you find you Rochester Quadrajet Marine rebuild kit, made in the USA from high quality ethanol ready parts. The company is best known for the Quadrajet carburetor, which was originally designed in the 1960s and remained in production, with modifications to meet progressively tightening exhaust emission limits, into the 1980s. FREE carburetor manual. Rochester carburetor numbers are stamped into the float bowl of the carburetor starting in 1968. Sale price $385. The Carburetor Doctor has complete coverage for all Rochester, Carter, Weber and Edelbrock QJets for cars, trucks and marine applications with premium quality, Made-in-USA ethanol resistant parts. USA made carburetor parts for Automotive & Marine Rochester Quadrajet 4 barrel carburetors. M2 - marine carburetor with screws, brackets, levers, and shafts in brass. 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. Click on "View" and be taken to our picture identification page for the remanufactured marine carburetor you selected. 70 2 8 2 1 9. Master list of all Rochester numbers; Quadrajet numbers; Quadrajet parts visual guide; Rochester Carburetor Numbering System. Quadrajet Exploded View. You can look through our Quadrajet Parts Guide , our Quadrajet Carb Number List or call us at . This 4 barrel carburetor was used from 1965-1990 and replaced the Rochester 4 Jet. Marine carb spec The Rochester Quadrajet carburetor is a sophisticated four-barrel carburetor that plays a crucial role in mixing air and fuel for combustion in an internal combustion engine. 4 Barrel Rochester Quadrajet- Electric Choke. N – special for Novi governors. 7 350 marine engine applications. May 14, 2010 · The 6th number indicates the division application. Some enthusiasts love them while others avoid them like the plague. Quadrajet M4ME Exploded View Secondary metering rod info . The 4M carb was set up internally to flow either 700 or 800 cfm depending on which casting was used. . Oldsmobile Carb numbers. These carburetors where assembled using only the highest quality components, They feature Carburetor Reference Sheet and Related Parts We Do Not sell rebuilt or refurbished Carbs or TBIs: Brand: Rochester Type: R4-4MV Quadrajet Qjet Number: 17059293: CU: MRINR4-Y40-2: General Reference Picture of a R4-4MV Actual Reference Picture: Disc: Crusader Marine Notes: Notes Cyl:8 Newcarb-MRINR4-Y40-2 Carburetor kits and parts for automotive and marine Quadrajet 4MC, 4MV carburetors. Example: # 7028219. CARBURETOR IDENTIFICATION Early Quadrajet carburetors (Figure 3) have the model number identification stamped on a circular tag pressed into a recess on the float bowl casting in a flat area on the throttle lever side. 5. The original unit was designated the model 2G and ranged from 285 CFM to… Nov 27, 2023 · First introduced by Rochester in the 1960s, the Quadrajet is a four-barrel carburetor that gained widespread use in American cars. 1968-88 Carburetor number is stamped into drivers side of main body casting directly above the secondary throttle shaft. Contact This carburetor will replace your original equipment marine 4MV Rochester 4 Barrel Quadrajet for 4. Chevrolet 1980, CHEV/GMC Truck 1985-89, Pontiac 1980 Accelerator Pump Cup = 21/32". I am not sure if it has a marine carb on it. Do all marine carbs use a j tube? The three main items, which seem to be of interest, are: (A) part number; (B) date code, and (C) plant code. They started making them in 1965 and ran threw 1974 trucks up to 1979. 00. 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 . Oct 2, 2012 · #1. 3 LITER 262 CID Marine V6 Engine Applications. Carburetor kits and parts for automotive and marine Quadrajet 4MC, 4MV carburetors Phone 800-460-2162 9 AM-3 PM Mon, Weds, Fri Email doc@carburetor. These carburetors where assembled using only the highest quality components, They feature: All new parts and gasket Dec 14, 2020 · Rochester Quadrajet 4 barrel carburetor identification. ID numbers for a Rochester Quadrajet carburetor are found next to the throttle level. ROCHESTER 4MV NEW QUADRAJET CARBURETOR 1967 327-350 $ 850 Rochester 4 Barrel Quadrajet with electric choke for 5. Its first application was the new-for-1965 Chevy 396ci engine . Rochester Quadrajet Carburetor Numbers: 1965-67 Quadrajets has carburetor number located on a round aluminum disc glued on driver side, next to Quadrajet logo. Rochester Number Indexes & Guides. DG 193 8 . M4 – marine carburetor, all brass. There should be a metal disc affixed to the carburetor for those in the 1965 to 1968 range, and the number was The Rochester Quadrajet was a standard production four-barrel carburetor used by every General Motors division for nearly 20 years. 8746 . Most Quadra jets are 600-650 CFM heres how to tell if it a 800 CFM body. MARINE CARBURETOR ROCHESTER QUADRAJET 17082403 FOR 454 CRUSADER 7. We also have more Quadrajet Marine Carburetors to choose from. Zenith Model 28/228 Nov 8, 2023 · In addition to our new Rochester Quadrajet® carburetors, we also offer two new marine carburetors. Ethanol Resistant High Quality This carburetor was made by Marine , . Here are a couple of Rochester numbers decoded as examples: 7026203 Quadrajet Carburetor Numbers 68 and later Date Code Most Rochester built Q-jets used a four-number Julian Date code. Before that, they are found on a tag. To aid in description and the proper identification of parts, the carburetor is divided into a primary and secondary side. Details. Later model Quadrajet CHANGE LETTER MODELS M 4M (EARLY) Figure 3 Carburetor Identification Tag -Early Models In 1965, though, General Motors's Rochester Products Division came up with something truly special: the Quadrajet carburetor. Most 1967-down Rochester carbs have a triangular aluminum or brass tag retained by a screw attached to the top of the float bowl. 8746 for assistance. OMC ROCHESTER 7040284 $ 460. The Rochester Products Division was a division of General Motors that manufactured carburetors and related components. These carburetors carry the exact same identification as their Rochester counterparts, and parts are directly interchangeable. 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. Carburetor rebuild kits, Bushing kits, Ethanol Compatible Accelerator Pumps, Jets, Rods, Floats, Gaskets, Needle & Seats and Rochester Quadrajet Carburetor Tech info. The carb is a rochester quadrajet but it does not have a j tube. 4 LITER V8 Engine Applications. 7 LITER 350 CID MERCRUISER ENGINE Rochester 4 Barrel Quadrajet With ELECTRIC CHOKE UPGRADE For 8 Cylinder Mercury Marine 350 CID / 5. 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. www. O – offset throttle shaft (only in case it differs from the standard). 1965 to 1967 Quadrajets had a round 'bottle cap' tag on the front driver's side. "8" is Checker and Marine. Its last application was on the 1990 Oldsmobile 307 V8 engine, which was last used in the Cadillac Brougham and full size station wagons made by Chevrolet , Pontiac , Oldsmobile 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 rod We have the largest inventory of marine 1, 2 and 4 barrel remanufactured carburetors, and throttle body injection for MerCruiser, OMC and Volvo Penta I/Os and all inboard engines including Crusader, MasterCraft, Pleasurecraft, Ford Marine, GM Marine, Chrysler Marine, Gray Marine, Chris Craft, and more. These carburetors where assembled using only the highest quality components, They feature: All new parts and gaskets i Carburetor Identification: Rochester 2 barrel M2MC M2ME E2ME E2MC DualJet Rochester 4 barrel 4M 4MC 4MV M4MC M4MV E4MC E4ME Quadrajet : Parts Page Diagram Rochester Quadrajet marine Carburetor Kit. We offer a carburetor identification service. There were several styles of Rochester two-barrels manufactured since the carburetor’s 1955 release. Tri carb units were dropped from assembly except for the Corvette engine by 1967. "70" will appear on all late '60's Rochester Carburetors. PO Box 4267 Tulsa, OK 74159 doc@carbdoc. They started making Rochester Quadrajet 4 barrel carburetors in 1965 . 0 liter (305) and 5. Will replace your original remote choke style 4 barrel Quadrajet if you wish to upgrade to electric choke or from a 2 to four barrel carb using a GM spread bore style intake manifold. M3 – marine carburetor with brass bowl and iron barrel. Check out our growing list of Used Rochester Carburetor Parts 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) . Quadrajet Kit Installation Instructions. We strive to Oct 26, 2019 · Quadrajet Power LLC explains the code stamp location and meaning from 1965 to 1989. Sep 24, 2021 · I have a Rochester Quadrajet Marine Carburetor #17059286. I bought 1987 Bayliner trophy as a project boat. The Rochester Quadrajet 4-barrel carburetor also creates a better throttle response time and has a centrally-located float that gives excellent fuel control. Get the best deals on 4-bbl. Rochester B, BC, BV Carburetor Numbers 4 BARREL ROCHESTER QUADRAJET MARINE CARBURETOR FOR V8 5. Zenith Model 28/228 Identification. Pontiac Carb numbers . Although it never deviated far from its original basic design, the Quadrajet underwent several modifications over the years, proving its versatility over a wide variety of applications. 4 BARREL ROCHESTER QUADRAJET 4MV MARINE CARBURETOR FOR MCM 454 V8 454 ENGINE WITH MECHANICAL or MANIFOLD CHOKE For 8 Cylinder MCM 454 Mercury Marine 454 CID / 7. P – pump (14 and 16 models) If your carburetor was not listed in our Marine Carburetor Catalog Spreadsheet page, or on this carburetor lookup page by model/picture you can call 1. 7 LITER V8 Engine Applications. 17059298 Rochester marine carburetor. Sep 23, 2018 · A lot of good and bad has been written about the use of a Rochester Quadrajet carburetor as a replacement four-barrel. MARINE CARBURETOR ROCHESTER Mercruiser Marine Carburetor Rochester Quadrajet $ 460. Add to cart Quick view. Also describes design and chokes. Apr 28, 2016 · All Rochester Quadrajet carburetors are identified by a seven- or eight-digit GM part number. This section is essentially a complete 2-bore carburetor containing a float system, adjustable idle system, main metering system, pump system, power Description. The last number indicates the exact application. The part number will be stamped on a round tag pressed into the driver’s side of the bowl (center section) of all original 1965 – 1967 quadrajets; as well as some very early production original 1968 quadrajets. Fuel inlet comes straight into the front of carburetor. 0 305 AND 5. 3 LITER 262 CID V6 marine engine applications. eqvahai vdjx toj kqym zpwgbm gfm dysvguyd woe ockm tdwdaor