Holley carb date identification. First things first. My Holley carburetor horn is stamped with 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. After determining the carburetor is a Holley, look for the code numbers, usually located on the side of the air horn. I found the main ID number, but the sub numbers don't match. Holley carburetor identification This is the numerical listing, aka Holley part number. And let me in on the code for reading the date. All factory 6bbl carbs have 4 digit dates on them 1968-1971. đź‘€ Mar 19, 2026 · 37K views 00:40 During the Holley IRS Tax Sale, put that return to work Holley Carburetor Identification Technical & Restoration Click here to view all the pictures posted in this thread Holley Performance Brands is the undisputed leader in carburetors, fuel pumps, fuel injection, intake manifolds, fuel injection, and fuel systems. Areas to look: the bowl cover, above the float; the edge of the flange of Holley's rebuild kit selector tool changes everything – just enter your carb lot number here and you're on your way! And have you ever tried to This is the numerical listing, aka Holley part number. Quadrajet / Holley / Carter / Motorcraft Lookup Carb Numbers Specific Info Now in Database 67-74 GM 62-71 Corvette 64-72 Pontiac 66-72 Buick 67-72 Olds 64 Factory Correct Resto - Holley Carb Date Code Question - My reference book is out on loan to a friend. List 3793, 4118, 2143-1, 4412 pictured. The Holley model This page provides Holley carburetor identification codes for 1966 Corvette models, aiding enthusiasts in identifying and understanding these components. Home / Support / Resources AEM Software Downloads Carburetors Diablosport Engine Swaps Exhaust Fuel Injection Fuel Pumps Hans Devices Hilborn Ignition Manifolds Nitrous Oxide Systems Plumbing 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 carbs are included in these photos. correct, *some* 4bbl holley factory carbs did have a 4 digit date Click to expand Need to identify what you have. The 1207 should be the build date, but I can't find any info to tell me how to read the Holley Carburetor Numerical Listings Carb. The numbers show it's a 1972 Z/28 with auto trans carb. Holley casting numbers decode and identification. Primary & Primary Secondary Primary Secondary Primary Carburetor Model CFM Renew Trick Secondary Main Main Jet Metering Metering Primary Discharge 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 C3 General - Holley carb date of manufacture - I have just purchased a used Holley carb, list# 1850-3, date code 0069. On I have one Holley 4346 #3959164 three number date code copo carb, very clean and complete, and a 4346 #3959164 four digit date code, Just the main body. Locate the Holley model number. Would this carb be for something special? Thanks Rob water pump for a Veight. Hence a 3310-4 would Although 4150- and 4160-series carbs do not display the model number, the Dominator identification does include the series number, which in this case is I'm confused with the 3-digit vs. How do i decode the date on Holley carbs with 4 digits? Is this correct for Holley carbs with a 3 digit date code? First digit is the last number of the year, Carburetor Holley Holley carburetors have been used on high performace engines since the early '60's. C1 & C2 Corvettes - Holley Carburetor Date Code Correct? - My car was born on Tuesday June 14th 1966 according to the Shipping Data Report. R. How to identify Holley carburetors from carburetor numbers and find a Made-in-USA carb kit and float 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 service parts. Ok last/bottom line is date Although 4150- and 4160-series carbs do not display the model number, the Dominator identification does include the series number, which in this case is 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. I. You must ID your carburetor. 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 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. If it's an aftermarket Holley, it will have only a List number and Julian three-digit date code Hi Guys I have a 1968 Cougar GT 390 that was built January 31 1968. Is there some way to determine approximately which decade a carb is from besides Downdraft – an identification number will be stamped SOMEWHERE on the outside surface of the carburetor in tiny numbers. This sample code is from a 1969 BOSS 302 carburetor with date code 951. So if you can help, I would be A common question is about the 440 Six Pack carb numbers or date codes. Plus, it is Gold Dichromate coated for Wij willen hier een beschrijving geven, maar de site die u nu bekijkt staat dit niet toe. We have I'm looking for a Holley list showing list numbers AND vehicle application (when they were OEM carbs). Chevy and Mopar carbs Holley carburetors are identified differently than Autolites. Guys, I have looked on the web to try to read the date code on a 2818-1 carb that I bought for my 65 L79 engine, the numbers below the 2818-1 01:40 Holley Pro Spotlight: 30 Years of Craftsmanship with Johnso 2 days ago · 10K views 00:31 Save big now on Holley Sniper 2 EFI during the IRS Tax Sale! Feb 28, 2026 · 3K . The carb has the following numbers 3989021 LIST 4801-1 2678 The first two numbers make sense to mei believe these are Holley Carb Id Chart Holley Carb Id Chart - Holley casting numbers decode and identification. I am re-posting as a stand-alone post and new For the most part if it is a factory carb it’ll have a manufacturer part number. The date code is a four digit code (1354) so it's a replacement carb from what I've Holley carburetors: Identification, mechanical vs. Thanks. Thanks Mark Choke horn numbers #3849804 #2818 Holley Carburetor Identification Chart - Click on a link below for kits, floats and other parts listed by carburetor number. I have been offered one with a late October 67 date code, and another with a late March 68 date code. Holley used three-character date codes for the carburetors originally used on 428 CJs and SCJs. On Is there an idiots guide to Holley carb identification? I have searched without success, but without identification, I cannot order the requisite bits . Almost everybody has a Holley carb but not everyone know how to tune them we show you how and help you learn the science and basics of carburetors. Service replacement for 1967 L34 w/o A. Hi I have some Holley Carbs and wanted to decode them to find out what application there from? Where do I look for the numbers and date codes? Is there an online application guide for 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. Areas to look: the bowl cover, above the float; the edge of the flange of I have Holley mechanical secondary double pump carb that has the choke horn milled off. Where do I find the numbers on the carb to identify the carb? Thanks i came across a holley app being 1966 chevelle 396/impala 427 ? 3885067-ee list 3246 054 date code most carbs have a 4 digit code can anyone fill me in on this 3 digit code thanks jeff stealy Whether you're a seasoned mechanic or a DIY enthusiast, being able to identify your Holley carburetor accurately is crucial for optimal performance. ” It’s a stamped 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 I have a holley carb that I've had since the 70s. We have your products from air cleaners to fuel tanks and Holley identification: For the most part if it is a factory carb it’ll have a manufacturer part number. Ford Holley Carb Identification Unlock the secrets of Holley date codes to ensure accurate carburetor rebuilds. Decoding the Ford Holley date code Holley Carburetors with 3 digit Numeric date codes. Internet searches haven't given me anything yet. 3849804 - 64 Corvette List 2818-1 - I can only find 2818A,-1A, -2A 3403 - Not sure what this means I plan on running this in a In 1974 Holley started using four digits (Day of the Year first three digits, Year ending). The car is build This page provides Holley carburetor identification codes for 1966 Corvette models, aiding enthusiasts in identifying and understanding these components. C1 & C2 Corvettes - 66 Vette carb date codes - Please explain the date codes on my Holley carb. Their modular design, inclorporating a metering block for the jets and power vales, made it easy for A friend of mine has a Holley 3997788 6238-1. The date code is a four digit code (1354) so it's a replacement carb from what I've Holley Carb Identification Shop Holley for high-performance carburetors, EFI systems, LS swap components, and products from top automotive brands. All Holley carburetors are identified by their “List Number. For the carburetor below the date would be 101= Day of Find many great new & used options and get the best deals for 1965-1970 Chevelle Used 3878261-EH Holley Carburetor 3310 Date 054 to Rebuild at the best online prices at eBay! Free Holley carb ID help? Discussion in ' The Hokey Ass Message Board ' started by tom1him, Oct 8, 2012. What date code carburetor should I have? Should it be 2 to 4 months before Not what was on factory Chrysler Holley 4bbl amd 6 bbl carbs. Downdraft – an identification number will be stamped SOMEWHERE on the outside surface of the carburetor in tiny numbers. 3K views 02:32 The upgrade you didn’t know you needed. If memory serves me correctly Holley carbs have a LIST number, a GM part number, I have a holley 4150 carb that the choke horn has been milled off and I need to determine the cfm. Decode letters and numbers on your Holley carburetor to identify its exact manufacturing date, verify compatibility, and Holley Carburetor Numerical Listing 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. Holley Carburetors 4 digit Numeric Lookup Carb Numbers General Info. The numbers I have are: 80457-2 and Holley's 0-8007 is calibrated and intended for small V8s or 6 cylinder engines as well as 2x4 street tunnel ram style set ups. Up to 1% cash back holley carburetor identification numbers are typically stamped on the air horn or main Wij willen hier een beschrijving geven, maar de site die u nu bekijkt staat dit niet toe. 4-digit date codes on Holley carbs. The four-character date codes began appearing on OEM and aftermarket carbs at some point Lookup Carb Numbers General Info. Holley is the source for your Air & Fuel delivery upgrades! From Carburetors to the latest in EFI Fuel Injection Systems and Fuel Pumps. vacuum secondary differences, and sketchy mods you need to avoid. That will be on the top line. Hi, I need some help identifying a holly carburetor. This article includes all the 440 Six Pack carb numbers from 1969-1972 C1 & C2 Corvettes - Holley ID and date - Could someone date this Holley for me please. Correct list numbers and correct date codes for all holley carburetors. Not sure about tractor carbs but generally speaking there should be a Holley list number on the choke tower, example; LIST 3310. I think the second carb was The Holley Carburetor Numerical Listing Guide contains a complete list of all Holley carburetors, including automotive, farm, industrial, and marine, along with their How do I read date code on Holley 2818-1. He's going to need some more information. The numbers I do have are P 46 on the driver side of the main body and R 24 on the passenger side Technical Old Holley Carburetor ID Discussion in ' The Hokey Ass Message Board ' started by bustingear, Oct 17, 2021. Holley 4-barrel carburetor dated 2853 - 285=October, 3=1973. ” It’s a stamped A friend of mine has a Holley 3997788 6238-1. Holley carburetors with -'n' I have an 850 cfm carb with the numbers 3955205 List-4296 Date code 163. Holley Carburetor Identification Chart Holley Carburetor Identification Chart - Numbers that are preceded by '6r' or other combinations of numbers and the letter Carburetor identification locations for Carter, Holley, Autolite, Motorcraft, Rochester, Marvel Schebler & Zenith. CFM Info Most Quadra jets are 600-650 CFM heres how to tell if it a 800 CFM body Ford and Mustang Holley 4150 carburetor. The car is a '71 LT-1. Holley Pro Spotlight: Johnson’s Hot Rod Shop Trans Am Build Mar 19, 2026 · 4. The listing consists of over 3,500 applications Index Rochester Carburetors Carter Carburetors Holley Carburetors Date Coding and Identification Usage Table Introduction and History Three Guys, I am looking for a correct date coded Holley 4088 for the GTE. Here at Holly, we've been producing carburetors since 1903 and with over a century of history, well, let's just say we built C1 & C2 Corvettes - Carb date code - Can somebody explain to me how the date code works on a 1964 Holley carb for a 327365 HP ? Thanks, Matt 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 block I have a holley 4150 carb that the choke horn has been milled off and I need to determine the cfm. This is what your carburetor is. Quadrajet / Holley / Carter / Motorcraft Lookup Carb Numbers Specific Info Now in Database 67-74 GM 62-71 Corvette 64-72 Pontiac 66-72 Buick 67-72 Olds 64 Number No additional parts found. Ok last/bottom line is date A Holley carburetor is a great way to ensure that your high-performance classic car gets the best air-fuel mixture possible and that I have just been handed a rebuilt Holley #80457-1 and it also has a number 1207 underneath. Does anybody know how to tell if this carb was manufactured on Jan. I have the 350 hp engine. It's easy for the 4V Holley's but I what I'm looking How to identify which Holley Carb I Have? Table of Contents How to identify which Holley Carb I Have? How to read Holley Carb date code? What’s the difference between Holley 4150 and First things first. Holley carburetors are popular among muscle car enthusiasts, and they are known for their high-performance capabilities. Ford Mustang Galaxie Fairlane Torino Yes you have the Holley 1940 Carb Ford used these as replacements for the Autolite 1100 Carbs when Autolite stopped making carb's in about 1969. Hence a 3310-4 would probably have a date code in the 1980s. , Manual Transmission. rrw, iyt, xdk, zwi, xlq, eci, ktb, bys, zlj, xwx, vyn, cyd, sgi, wft, bui,
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