Holley carb date codes.

As for reading date codes on Holley carbs, there are 3 digit dates and 4 digit dates. The 3 digit dates lasted until about 1973. The first digit is the year. 6 = 1966, 0 = 1970. The second digit is the month. 2 = February, 9 = September, 0 (for 10) = October. The last two months used letters, A = November, B = December.

Holley carb date codes. Things To Know About Holley carb date codes.

4478 posts · Joined 2000. #2 · Apr 6, 2009. 3 digits are common Jeff as my 1969 Holley 4346 has a date code of 924 which represents (9)1969, (2)February, (4)4th week. To be honest I don't know if the 1965 carbs were coded the same as the 1969's. One might think it could be a 1970 carb from the fourth week of May (if you followed the same ...Features original GM part number 3923289 Holley list number 4053 - DZ on the front air horn, just like originals. This is a brand new in the box Holley carb. Gold iradite plating as factory units. Fresh to date technology with the right old school look. Tested and guaranteed, ready to rock!Apr 30, 2020 · It could be 1979, the four digit date code started in the seventies. Usually all the seventies carbs have slotted bowl screws, not the hex that's seen on later Holley's. It is a service carb for the 67 Corvette but correct in every way. I would not worry about it and just use it for yourself. The guy on the carb. forum explained the code like this- year-month-week. the year part is easy the month part is where it gets tricky. Jan.to Oct. is 1 thru 0 and Nov.-Dec. is A and B . A date code of 6B2 would be 1966-Dec.-2nd week. The complete # for this carb. is C3AF-9510-BJ List-2805 he thinks this could be from A 67 GT500 with 427 ,also ...

EC ~ 327-4bbl Spcl High Performance with manual transmission. F ~ Flint, MI. 0224 ~ February 24, 1965. DE ~ 283-2bbl 195hp with Powerglide transmission. F ~ Flint, MI. 0327 ~ March 27, 1965. EC ~ 327-4bbl Spcl High Performance with manual transmission - ironic engine assembly date. F ~ Flint, MI. 0330 ~ March 30, 1965.

Holley is home to the top automotive performance brands including Flowmaster exhaust, MSD Ignition, Holley EFI, Hurst Shifters, Accel plug wires, Hooker Headers and many more. 2300-EG Diagram. 2380-EG Diagram. Holley 5200 5210 5220 6500 6510 6520. Parts Page. Diagram. Holley 2280 6280. Parts Page. Diagram. Holley 4150 4160 4165 4175 4180 4190.

Here is a 1970 Chevelle Holley 4-barrel carburetor List number 3310-EH, Factory part number 3878261-EH. Date code 042 (second week of April 1970). Although this list number was used from 1965 to...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. The List number for the 4500 can be found on the top of the main body casting. Below the list number is a date code that will contain no more than four (4) digits. See Figures below.This carburetor was made by Holley , The Holley Brothers Company was started in 1905 in Detroit Michigan then became the Holley Carburetor Co . It is a H4-4160 . This carburetor has a part number of R3310-6 LIST 3310-6 and used on 750 Vacuum Secondary . Check here for specific Muscle car Info: Referenced by ; Holley R3310-6 or …Decoding the Ford Holley date code. Holley Carburetors with 3 digit Numeric date codes. This sample code is from a 1969 BOSS 302 carburetor with date code 951. 9 51. Year. 9 = 1969 . 0 - 9 9 5 1. Month . 5 = May . 1 - 9 = January through September . 0 =October A =November B =December 95 1. Week . 1 = 1st week .This one's date code is 764, which translates to it being manufactured in the sixth month (June), 4th week of 1967. (It doesn't have the center main body that "re-issued" carbs generally have and the date code is far earlier) I don't know that Holley stamped past date codes that early onto re-issue carburetor air horns either.

A divorced choke is where the heated bimetalic spring is mounted to the heat crossover on the intake. What carb are you trying to install an electric choke on? Like. D. david ahluwalia Discussion starter. 65 posts · Joined 2007. #3 · Dec 31, 2008. Holley 6210.

Codes on the Power Valve: Power Valve Ratings Identification: 2 and 5: 2.5 InHg: 3 and 5: 3.5 InHg: 4 and 5: 4.5 InHg: ... The stamps on the top of the Holley valve have a one digit indicating the date code for manufacturing. The number is not as significant as the valve opening code. ... Holley carburetors have power valves in the primary ...

I have a question and I hope somebody here can help me out. I am cleaning out my garage and I found a Holley 3910 carb. The part # is 3916143 CT and the list # is 3910. The date code is 993. I called up Holley and the said that it was a service replacement for a 1967 302 or a 1967 396/375. The date code is the third week of …If it's an original 1964 carb, the date code is three digits (3). They are year, month, and week of production. A date code of 432 is 1964, third month or March, second week of March. If the month is November the month code is A. If December, the month code is B. If the date code has FOUR digits, it was built in the mid-70's or later (more recent).This carburetor was made by Holley , The Holley Brothers Company was started in 1905 in Detroit Michigan then became the Holley Carburetor Co . ... This carburetor has a part number of R3837 LIST 3837 and used on 66-67 Chevy 3/8 tube in base . Check here for specific Muscle car Info: Referenced by ; Holley R3837 or LIST 3837 This Site Designed ...1957 Ford Thunderbird Holley 4160 Carburetor *Remanufactured. SKU: 43-236N. $749.95. Core. Core Deposit ($350.00) Out of Stock.Cruise-In VI Veteran. Holley 3810 date codes????? I have two Holley carbs. both numbered 3906631-DA list 3810. But the date codes are 943 and 984. I checked all of my books and only the 67 corvette is listed using this number, does anyone have info. on other Chevrolet applications using these numbers?.This carburetor was made by Holley , The Holley Brothers Company was started in 1905 in Detroit Michigan then became the Holley Carburetor Co . ... This carburetor has a part number of R3837 LIST 3837 and used on 66-67 Chevy 3/8 tube in base . Check here for specific Muscle car Info: Referenced by ; Holley R3837 or LIST 3837 This Site Designed ...

Numbers that are preceded by '6R' or other combinations of numbers and the letter 'R' are casting numbers referring to a particular part of the carburetor and cannot be used to identify the carburetor. click on a link below for kits, floats and other parts listed by carburetor number. Holley List Numbers. R-120 to R-1324; R-1343 to R-2345; R ...Hello all, I have a holley 3139 carb , from what I found so far, it seems to be a 65-66 396 carb. It has the 3874898 ER on the top, list 3139-1, and the date code of 5A5.The Holley power valve identification is rated according to their opening ratings. For identifying power valves, the intake manifold vacuum for the carbureted engine blocks is expressed in inches of mercury (“Hg). Every power valve is identified by ratings ranging from 2.5 to 10.5” Hg.HIGH PERFORMANCE CARBURETOR INSTALLATION AND ADJUSTMENT INSTRUCTIONS NOTE: ... Holley mechanical fuel pumps are recommended and will produce a 50% increase over 9 out of 10 stock factory pumps. Use of a Holley electric fuel pump at the rear of the car next to the fuel tank will help ... Revision Date: 5-6-13 . Author: Wendy Fleming Created Date:If it were an early built '66 car the carb would date would start with a 5 until Jan. of '66. Then the date would start with a 6. This particular carb was made as a correct replacement for this particular car. These carbs were built years afterward as replacements. Thus the '71 dateHolley Carburetor Identification Codes. ENGINE . HPI 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.I think the second carb was a service replacement carb for …

I'll show you how to read the Edelbrock carburetor Julian date codes so you know how old your carb is. Why is this important? The older the carb the potent...CFM 715 Holley. List Code 9029. Date Code 1435. Vac Secondaries. Dual Inlet Feed. This is a used carburetor and needs to be rebuilt, its been sitting around our shop for many years. This is not a marine certified carburetor. $90.00. Out of stock.

Tom, what are the rest of the numbers on the carb? They made MILLIONS of those 3310 carbs after the originals. Last swap meet I was at I saw a few dozen of them. I have a 3310, 3310-1 and 3310-2. Based on your date code of 161 that is a replacement carb. The 161 means 1971, June, 1st week. That is a good carb.From the picture I assume you have a 65 and I believe the List 2818 is correct for 305 and 365 HP 65's. For a correct carb date, you need to look for 3 digit that start with a 5. So if your car's birthday for …The top of the stamp shows the GM part number 3886101E1, the midportion is the Holley list number, 3247. The DATE CODE which you are asking about is the bottom area, on mine it is 612. If yours has a 4 digit stamp there, it is not original, it is a service replacement built later. The 3 digit code as in my 1966 Holley identifies 6 (the year ...1968 390-4V Holley 4150 carburetor, automatic C6 transmission - All 50 states. C8OF-9510-D stamped on the carburetor air horn. Holley list # 3796, 600 cfm. ... Carburetor - Holley 4150 - list #4088 600 CFM - Date Code 962 - 427 GT-E - Automatic Transmission - Core ~ 1968 Mercury Cougar GT-E. 1968 Mercury Cougar. 0 . Price: $817.97. Buy Details.In the case of the cross ram 4 cyls connect to one carb with a balance passage in between the plenums. What you need to do is start with a basic adjustment of each carb as follows: Set each idle speed screw about 1-1.5 turns from throttle blades lightly seated. Set each idle mixture screw about 2 turns out.Meaning this DZ carb date code 8A3 was installed on either a 68 Z or an early production run of the 69Z? This carb would not have been on a 68 Z since the 68 model year was over when it (carb) was born but would have been on a somewhat early 69 model year Z/28 or L78 Camaro. Logged. Chick. 68 Z/28 NOR 01B Orig motor/trans/rear.

Jan 7, 2006 · On a related note, my car was started the 4th week of May, 1968 (05D) and the carb is dated 833 like chedderboys. The 4053 carbs were built in batches and I've seen several 4053's with this date stamp. Now, I'm not sure when the batch before that was built, or the batch after that, but usually, the Holley carbs are a few days to several weeks ...

How to Become an Expert on EFI and Carbs: Holley Training. Dave Bellm. 01/05/2024. news. news Holley Training Class efi. Holley EFI Training: Don't Miss the Final 2023 Classes! David Bellm. 11/03/2023. ... Join the Holley Family. Stay up to date with the latest releases, events, promotions and more. Sign Up.

I'll show you how to read the Edelbrock carburetor Julian date codes so you know how old your carb is. Why is this important? The older the carb the potent...Carburetor 2 Barrel for Ford 2150 W/Climate Choke For Many V8 Engines 302 351 US. Find many great new & used options and get the best deals for Holley List 3310-1 4 Barrel 780 CFM Carburetor Date Coded 3443 at the best online prices at eBay! Free shipping for many products!Carburetor# R4368A – Date 311-9 – Holley – 383-4 – B – E – Auto – 1970 – USED. Fits 1970 B body Dodge Charger, 500, Super Bee, Plymouth Sport Satellite, Road Runner, E body Dodge Challenger, R/T, SE, Plymouth Barracuda, Gran Coupe, ‘Cuda 383 models.May 26, 2011 · LOCATING THE LIST NUMBER: 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. The List number for the 4500 can be found on the top of the main body casting. Below the list number is a date code that will contain no more than four (4) digits. DaleM Discussion starter. 15631 posts · Joined 1998. #1 · Jan 31, 2013. Ran across a 3916143-CT Holley (supposed to be a 67 carb number) but has date code of 3092. From everything I've read Holley dates through 1972 are 3 digits and 73 and later are 4-digits. So what's with a 3092 date?Casting and date codes are also on each major component and many ancillary pieces. Cylinder heads have casting numbers with date coding like the engine block. ... Holley carburetors were first used on the '64 365-hp 327-ci engine. The 1965 350-hp and 365- hp small-blocks, and the 396-ci big-blocks used Holley 4-barrel carburetors. In 1966 and ...This carburetor was made by Holley , The Holley Brothers Company was started in 1905 in Detroit Michigan then became the Holley Carburetor Co . It is a H4-4160 . This carburetor has a part number of 1850-1 and used on 600 CFM . Check here for specific Muscle car Info: Referenced by ; Holley 1850-1 ...The "8" is 1968. The "E"= is the month of the year (A=Jan., B=Feb., C=Mar., D=Apr., E=May). So my date code would translate to May, 1968. Build date for my car is late May, 1968, making a very late year build. There is no knowledge or consistency in determining how soon the new carb could be installed or how long it might have sat on the shelf.Holley offers a variety of replacement and upgrade metering block and plates for your Holley CarburetorThe Holley manufacturing date code format is Year, month, week. from my research I discovered the year date is the actual year Holley made the carb. This is based and verified on the very first carbs being produced. The Holley 4053 part number 3923289-DZ began production for the 1968 Z/28, L78, L89, & the L72.The 65-69 book seems to indicate that a 1910 date code could be either 1970 or 1980, while the 70-75 book indicates that it is 1980. I'm guessing that since the change from 3 digit codes to 4 digit codes came in 1973, this carb is most likely of 1980 manufacture, which agrees with what the seller told you. FZ-28's MemberHolley List 3124 GM #3868826-cs Date Code 961 L78 19651/2 425hp 396 Corvette. About this product. About this product. Product Identifiers. Brand. Holley. Manufacturer Part Number. ... item 3 1965 CORVETTE 396 425 HP 3124 HOLLEY CARB WITH PEANUT BOWLS (5B2)SHOW RESTORED 1965 CORVETTE 396 425 HP 3124 HOLLEY CARB WITH PEANUT BOWLS (5B2)SHOW ...

Holley Carb for 1968-69 Chevrolet Camaro Z28 or a Chevrolet Chevelle, 396, 427. ... No Date code Stamped, Fuel Inlets for Original list number Carb's for a highly collectible cars. __ Goes on to say : "R4346AAS Carb..this carb. was made by Holley, The Holley Bro's Company was started in 1905 in detroit, MI. then became The Holley Carburetor Co ...Holley carb 3923289 DZ. ... Have a holley with the below numbers on the choke horn: Original GM carb: List-4053 8A1: 3923289-DZ ... With a 8A1 date (8 = 1968, the "A" stands for November, 1 = 1st week of November) for a 69 Z28 it would probably bring at least $250 just as a core.jimne1 Discussion starter. 3 posts · Joined 2009. #1 · Nov 16, 2009. I'm trying to understand the date code on a 3310-1 Holley. All I know is it is a true 780 CFM with downleg boosters and it came off of a GM car. Byeond that I'm stumped. The date code stamped beneath the 3301-1 is shown as 241. I have yet to find any reference that would ...Instagram:https://instagram. like volume measures crosswordguiliani networthfrank's pizza marshalls creek paafc harper's point 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 coupe last year that was alleged to be the original carb. I compared the info on the air horn to the data in the NCRS judging guide and everything checks out, except I... idylis 416710 partsbarger grill LOCATING THE LIST NUMBER: 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. The List number for the 4500 can be found on the top of the main body casting. Below the list number is a date code that will contain no more than four (4) digits. gatlinburg tn extended weather Holley carb date codes are easly to read. Holley used 3 digits till '73 i believe. Example below. 612 date code would be: 6 - year (1966) 1 - month (Jan) - Last two months would be Letters 2 - second week of month Reply Like 10-23-2021, 06:13 PM #13 ...68 Holley Carb Date Question. Jump to Latest Follow 1K views 5 replies 4 participants last post by Royce Peterson Feb 9, 2005. C. ccarney ...