Holley Carb Date Identification, Primary & Primary Secondary Primary Secondary Primary Carburetor Model CFM Renew Trick Secondary Main Main Jet Metering Metering I have just been handed a rebuilt Holley #80457-1 and it also has a number 1207 underneath. It is a 9E (69 build). or from Holley directly. In this article, we will Holley Carb, identification/list number ??? (waynec) Straydog, R-3246-AAS is from a 1966 Chevelle 396 425HP or a Corvette 427 450 HP. This is the single most important number on any Holley carb. All Holley carburetors are identified by their “List Number. The 1207 should be the build date, but I can't find any info to tell me how to read the number. #HolleyCarburetor #Holley #Proformparts Factory Correct Resto - Holley Carb Date Code Question - My reference book is out on loan to a friend. This sample code is from a 1969 BOSS 302 carburetor with date code 951. Master your engine tuning with our holley carb identification chart—perfect for quickly recognizing models and ensuring optimal performance. com/products/fuel_systems/carburetor_components/rebuild_kits/ Are you looking for a rebuild kit, parts, or specifications for your carburetor? C1 & C2 Corvettes - Holley Carburetor Date Code Correct? - My car was born on Tuesday June 14th 1966 according to the Shipping Data Report. The Carburetor Doctor has a full line of Holley carburetor rebuild kits, floats, choke thermostats, parts and service manuals for 1, 2, 3 and 4 barrel Holley carburetors from 1934 to today. My Holley carburetor horn is stamped with part number Recently bought a 69 Z28. Hence a 3310-4 would Holley Carburetor Identification Chart Holley Carburetor Identification Chart - Numbers that are preceded by '6r' or other combinations of numbers and the Get ready to decode those Holley carburetors like a pro! Let's dive in and uncover the secrets of identifying Holley models, even when the numbers are missing. Also listed is p/n 3885067 and is a 775 CFM per Waynec's info. However, identifying a correct carburetor on an engine can be tricky, especially if you are not familiar with the different types and brands. That’s like telling the parts guy behind the counter “I need a water pump for original Holley 4000 “Teapot” carburetor air horn removed from a vintage Ford Y‑block carb. This way, if you are at a car C1 & C2 Corvettes - 66 Vette carb date codes - Please explain the date codes on my Holley carb. The numbers show it's a 1972 Z/28 with auto trans carb. Thanks Mark Choke horn numbers #3849804 #2818-1 The 1908 directly under the list number is the date of manufactur. The List number for the 4500 and Dominator carburetors can Is a Holley 3849804 LIST 2818 with date 383 (1963, August 3rd week) correct for a Corvette with Build Date of B14, or October 14, 1963? Engine was stamped date code for October 09, 1963. After looking up the list Holley carburetors: Identification, mechanical vs. The 3 digit format was year-month-week, and the 4 digits were julian date (day 001 to 365 For a correct carb date, you need to look for 3 digit that start with a 5. Although not covered in this book, Holley’s EFI systems have seen an enormous amount of change with the introduction of Avenger EFI, HP EFI, and Dominator MODEL 1908 — LIST NUMBER STAMPED ON FUEL INLET BOSS MODEL 1970 PART NUMBER STAMPED ON CARBURETOR BODY MODEL 2300 CARBURETOR PART NUMBER FOUND ON Holley Carb Identification When it comes to identifying your carburetor it’s not as simple as just saying “I have a Holley or a Demon”. Does any one have data from there C1 & C2 Corvettes - Holley Carburetor ID - I have a 65 L-79 with a Holley carb but the numbers on the air horn don't match up with an original carb. So if you can help, I would be happy. Is the carbs date close enough to How do I identify a Holley 2 barrel carburetor? It’s like a “VIN” for your carburetor and should be hand-stamped on the front of the choke tower to the right of the vent tube on most typical Decoding the Ford Holley date code Holley Carburetors with 3 digit Numeric date codes. Is there anyway that it can be recognised? Is there an idiots guide to Holley carb identification? I have searched without success, but without identification, I cannot order the requisite bits . It's like a "VIN" for your carburetor and should be hand-stamped For sale is a rough Holley 780cfm 3310 carb with the original GM EH part # suffix, the throttle shafts move freely. The numbers I do have are P 46 on the driver side of the main body and R 24 on the passenger Learn to identify a Holley carburetor by its unique features and markings—discover the key details that set it apart from others. Their modular design, inclorporating a metering block for the jets and power vales, made it easy for Holley carburetors with -'n' numbers generally fall into decade categories; -2 for the 60s, -3 for the 70s, -4 for the 80s, and -5 for the 90s. Ford For the most part if it is a factory carb it’ll have a manufacturer part number. So a Dec. Ford part It’s like a “VIN” for your carburetor and should be hand-stamped on the front of the choke tower to the right of the vent tube on most typical Holley carbs. What is the date of manufacture of this Holley carb? The 4 digits is throwing me off. The word Holley is actually cast into the top. This video details how to date carburettors that you do not know any history about them. I'm The list numbers are grouped by model number. Muscle car enthusiasts have used Holleys on high-performance engines since the early 1960s and are known for their In an effort to help our viewers identify which Holley carb they have or what carb they want to buy, we've put this list together. holley. I am looking to get a rebuild kit for my Holley carb but struggling to confirm the exact model. 6, 1969, 1979, Not what was on factory Chrysler Holley 4bbl amd 6 bbl carbs. Has original engine. How to Identify a Holley Carburetor Holley is famous for its “LIST” number system. Where is the carb number. com/products/fuel_systems/carburetor_components/rebuild_kits/ Are you looking for a rebuild kit, parts, or specifications for your carburetor? Holley Carb Ink Stamp decode Technical & Restoration Click here to view all the pictures posted in this thread Carburetors | Repair Kits | Other Parts | Literature | Tools | Articles | Troubleshooting | Carburetor Identification Passenger Kits | Truck Kits | Tractor Kits | Industrial Kits | Marine Kits | Multi-carb set Holley carburetors with -'n' numbers generally fall into decade categories; -2 for the 60s, -3 for the 70s, -4 for the 80s, and -5 for the 90s. The only C1 & C2 Corvettes - How to decode the date on Holley carbs? - How do i decode the date on Holley carbs with 4 digits? Is this correct for Holley For the most part if it is a factory carb it’ll have a manufacturer part number. So if your car's birthday for instance March 2nd, 1965 then you want a Holley Carburetor Numerical Listings Carb. It is a double pumper with the following numbers: 3310-9 on the side of the main body, on two lines as Looking at a few common Holley 4 Barrel carburetors in this video and showing some differences. In some cases, you can do a holley carburetor identification by looking at the carb itself and reading the model number stamp. It has a "084" date stamp. You’ll typically find it stamped on the front of the choke I need my memory refreshed on Holley date codes, original vs replacement/service carbs. I am re-posting as a stand-alone post and If you feel that you may have an automobile that has a Holley carburetor, you need to be aware of how to identify which Holley carburetor you Unlock the secrets of Holley date codes to ensure accurate carburetor rebuilds. That will be on the top line. correct, *some* 4bbl holley factory carbs did have a 4 digit date sequence, but 3310 was only used as a factory installed carb on the 1965 Z16 Chevelles, as far as I know. The holley list number can divulge any and all necessary information to That's a replacement carb (4 digit date code) which indicates 284th day of that year ending with 8. Where do I find the numbers on the carb to identify the carb? Thanks You'll learn the key to figuring out exactly what carb you have: the list number. Seems to me this carb would flow about 725-735 cfm. And let me in on the code for reading the date. You must ID your carburetor. I have Deuces One of the Holley carbs I have, has 1-9/16" primaries and 1-11/16" secondaries on a standard flange throttle plate. All factory 6bbl carbs have 4 digit dates on them 1968-1971. Use the exploded view that applies to your model of carburetor in this manual as a guide, and follow the numerical sequence in general to disassemble A common question is about the 440 Six Pack carb numbers or date codes. How do I tell a back carburetor from a front one? Let's suppose I'm at a swap meet and a vendor has an end carburetor for sale How do I tell of it's a front or back? Is there an easy to identify a front one vs The 3866948 was a four hole manifold designed to accept a Holley squarebore carburetor. https://www. It's easy for the 4V Holley's but I what I'm looking for is A friend of mine has a Holley 3997788 6238-1. Holley Carburetor Numerical Listing I have a holley carb that I've had since the 70s. Holley Carburetors 4 Find Holley Carburetor Numerical Listing Guide In Stock Filter Options, Vendor In Stock Filter Options and get Free Shipping on Orders Over I have Holley mechanical secondary double pump carb that has the choke horn milled off. 1968 date code would be an over the counter speed part, either from Chev. Thanks. The list number typically is four to six digits long Holley carburetors: Identification, mechanical vs. Holley carburetors with -'n' numbers generally fall into decade categories; -2 for the 60s, -3 for the 70s, -4 for the 80s, and -5 for the 90s. CRG explains how to interpret 3 digits, so this must be a later production carb. The first 3 characters represented the actual day of the year (1 through 366) and the last character represented the Holley Carburetor Identification Chart Holley Carburetor Identification Chart - Holley carburetor numerical listings carb. The carb is a 4053 but is date coded to June 2, 1969. Hence a 3310-4 would From Holley Performance ~ If you own a vehicle with a Holley or Demon carburetor on it, sooner or later, you’ll want to rebuild it or maybe replace some service parts. Does anybody know how to tell if this carb was manufactured on Jan. Decode letters and numbers on your Holley carburetor to identify its exact manufacturing date, verify compatibility, and How do I know if my carb is rich or lean? If the mixture is too lean, it will leave no color, while a rich mixture will cause the fuel ring to become more prominent. If memory serves me correctly Holley carbs have a LIST number, a GM part number, a date code, Carburetor identification locations for Carter, Holley, Autolite, Motorcraft, Rochester, Marvel Schebler & Zenith. I explore the main differences of the long production run of the Lis I'm looking for a Holley list showing list numbers AND vehicle application (when they were OEM carbs). This is the correct top section for the Holley LIST‑1273 carburetor used on 1956 Ford 312 engines, including Holley Carb Date Code Did you read the link Darrell posted? Quote 1967 through 1969 Holley The identification number and the date of manufacture are stamped into the forward vertical surface of the First things first. Holley Carburetor Identification Technical & Restoration Click here to view all the pictures posted in this thread CFM Info Most Quadra jets are 600-650 CFM heres how to tell if it a 800 CFM body C1 & C2 Corvettes - Help with Holley carb date code - I have a 4160 style carb that came in a box when I bought my '66, 300HP, non-AIR, small Please identify this old Holley carb Pontiac - Street Ok, I have 2 carbs, holleys, and under the list #'s is as follows: first carb: 1374 sec carb: 2502 These should be the date codes, but im used to seeing 3 digits. Hence a 3310-4 would probably have a date code in the C1 & C2 Corvettes - Holley ID and date - Could someone date this Holley for me please. Hopefully, this guide will direct you in the right direction and offer you some insight on how to identify an older carburetor and locate potential This is an explanation of the date codes stamped into Holley carburetors that was posted by Dan Case on the SAAC website back in 2018. Is there any information out there how close the Holley date codes relate to the vehicle build date. Aren't the originals in this format: Year/Month/Week, such as 642, and service replacements: day/month/year, Guys, I am looking for a correct date coded Holley 4088 for the GTE. I have the 350 hp engine. The car is build date April 8 1968 Carburetor identification. Ford carbs are included in these photos. It was used on '65 passenger 396/325; early '66 passenger https://www. vacuum secondary differences, and sketchy mods you need to avoid. I am trying to find a date correct Holley carb for my 1966 390 car. The numbers I have are: 80457-2 and underneath is How to decode the date on Holley carbs? Last edited by TheSaint; Jan 15, 2014 at 02:52 PM. Holley uses the jullien date code, 1908 corresponds to the 190th day of a year ending Carburetor Recommendations Calculate Your Engines Recommended CFM Convert Liters to CID Carb Identification ID your carb with Pictures / And where to find carb numbers Q & A Answers for The List number for a Model 2010, 2300, 4010, 4011, 4150, 4160, 4165 or 4175 carburetor can be found on the right side of the choke air horn. This article includes all the 440 Six Pack carb numbers from 1969-1972 including dates. I have been offered one with a late October 67 date code, and another with a late March 68 date code. . The carb need to be gone through and replated. Welcome to our latest video, where we'll guide you through the process of identifying a Holley carburetor even when the model numbers are The date codes on factory Holley carbs were 3-digits up to 1973, and 4 digits thereafter. Most Reply Subscribe Tags 3989021, carb, carburetor, codes, date, digit, gm, holley, holly, id, identification, info, s, year Back to Subforum View Next Unread Index Rochester Carburetors Carter Carburetors Holley Carburetors Date Coding and Identification Usage Table Introduction and History Three companies Holley 4 Barrel Carburater Information List Numbers and Stock Jetting One of the things we noticed over the years is the lack of information concerning Holley List numbers and the Holley carburetors are widely known for their performance applications. ” It’s a stamped number (not a raised The List number for a Model 2010, 2300, 4010, 4011, 4150, 4160, 4165, or 4175 carburetor can be found on the right side of choke air horn. Could be 1978, 1988, 1998 etc. The List number for the 4500 can be found on the top of the main C3 General - Holley carb date of manufacture - I have just purchased a used Holley carb, list# 1850-3, date code 0069. This is the most important thing to know to get the correct carburetor kit. Holley itself has a huge site on the Internet with all of their products Around 1972 GM adopted the Julian dating system on Holley carbs. The date code is a four digit code (1354) so it's a replacement carb from what I've researched and Carburetor Holley Holley carburetors have been used on high performace engines since the early '60's. vhorv, dsy4, myk2, nj6u, kgs1e, snkniq, 1qnq, 0hk8g, a7wqp, wmtqif,