Holley date codes.

Holley LIST 50265. Holley Part number:LIST 50265. Holley Date Code: 1575 May 1985. Holley Date Code: 1575 May 1985 per the experts. Ford Holley. Very nice used Holley carburetor that was removed from a 1985 Mustang GT 5.0.

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

Holley Technical Support 1801 Russellville Road Bowling Green, KY 42101 Phone: 270-781-9741 www.holley.com . Title // Author: IT DEPT Created Date:600: 37-119 37-933: 6-506 122-66: 134-9134-128: 125-65 0.025: Plain 108-83-2: 108-89-2 108-90-2: 108-27-2 134-101: 134-105 112-20: 1-1/4 1-5/16: 1-9/16Loading...Holley carburetor numbers are referred to as 'List' numbers. They are usually stamped on the carburetor body and preceded by the word 'LIST' or the letter 'R'. 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 ...Holley SniperTM makes no warranties of merchantability, of fitness for particular purpose, or that its products are approved for general use, or that its products are approved for general use, or that its products comply with laws, regulations, or ordinances in the state ... Created Date: 9/28/2016 3:05:22 PM ...

Note different throttle-linkage and presence of GM PN, Holley list number, and date code on airhorn. Photo by eBay. Advertisement. See All 111 Photos.Pour entire content of bottle into fuel tank then drive for at least 15 minutes and refuel when necessary. For best results it is recommended to add one bottle of CATACLEAN® LIQUID SCIENCE to approximately ¼ tank of fuel. Helpful?

Nov 26, 2003 · 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 ...

The Holley 1850-2 is a 600 CFM carburetor model 4160 . The 1536 is the date code and breaks down as a carb built in June of 1976. The 1536 is the date code and breaks down as a carb built in June of 1976.Date codesHolley carburetor 3139-1 4 bbl 3874898 er date code 1903 chevelle 396 chevy Holley date code chartPurchase holley 450 cfm matching tunnel ram 4 bbl carbs (2) list 9776 date code 0187 in lorena. Holley 1904 Carb Question - Page 4 - Ford Truck Enthusiasts Forums.Although Holley employees will take part in answering questions from time to time, your questions may or may not be answered by Holley personnel. ... Seems kind of stupid to have errors codes and not have any info available on Holley website or in manual as to what their application is. ... Date code: 20180830 FW Ver: 4.0 build 110 Profile #1 ...EFI - Fuel Injection. Carburetors. Carburetor Components. Fuel Pumps Regulators and Filters. Also in Air & Fuel Delivery. Air Cleaners. Air Scoops. Cold Air Intake. Fuel System Kits.163 means it was made in 1971, 6th month, third week. Still worth 2-3 hundred or more for a good core, even though it is a late date. 4296 was originally used on 69 L88 and ZL-1 427's. Jon N. ~ The person who doesn't listen to the media is the best informed.

Battery date codes are alphanumeric codes printed onto marine, automotive and other batteries that tell a user when the battery was shipped from the manufacturer. Battery date code...

Pre-72 Holley date codes. Jump to Latest Follow 1K views 2 replies 3 participants last post by RixLS6 Jan 31, 2007. C. CT Mark Discussion starter 1331 posts · Joined 2002 Add to quote; Only show this user #1 · Jan 31, 2007. Just trying to get confirmation on something. The ...

How to Tune Holley Terminator X for Beginners - Intro to Data Logging- In this video we go over the basic functions with in the data logging portion of the ...i've got a holley strip dominator intake for my sbc and it also has winters foundry snowflake and is date code 12-9 -75, you can see the snowflake on the lower r/side of the pic near the temp sensor port. the street dominator you have is a good open plenum intake for mild engine builds and like you mentioned it makes power right off of idle to 5000rpm .i ran that intake on a 350sbc i had in a ...The CIU display unit is the customer interface unit using together with prepayment meter to monitor energy and charge the credit. Using in conjunction with the MCU base meter, can be used by customers to query electricity consumption information and meter fault information. When the remaining amount of the meter is insufficient, the TOKEN code ...tech. news. Version 6 of Holley EFI's popular tuning suite has officially been released and with this revision comes a slew of race-focused updates. With a completely new Individual Configuration File (ICF) for drag racing transmission control, as well as a revised nitrous ICF, this update promises to be the best software yet! 600: 37-119 37-933: 6-506 122-66: 134-9134-128: 125-65 0.025: Plain 108-83-2: 108-89-2 108-90-2: 108-27-2 134-101: 134-105 112-20: 1-1/4 1-5/16: 1-9/16

From Holley date codes. First digit is the last number of the year. Second digit is the month. Third digit is the week of the month. Your date code "123" could be a 1961 or '71 carb, third week of Feb. The only mention I see of that carb number is for use on a 1964-'65 Corvette w/a 327.Expiration dates on food are tricky. They mean different things on different foods. Understanding the difference could save you money. Keep this information handy so you don’t thro...The carb was installed at the St Louis plant so a typical correct carb would be dated about 2-4 weeks prior to the cars assembly date. Holley date codes went to 4 digit code around 1970 Last edited by Donald #31176; 03-07-2009 at 12:25 PM .Although Holley employees will take part in answering questions from time to time, your questions may or may not be answered by Holley personnel. Thus, Holley can not guarantee an answer or timing on an answer. ... Join Date: May 2014; Posts: 722; Share Tweet #2. 01-17-2022, 04:57 PM. Timing at 12° not high enough. Timing at cruise is too high ...EFI - Fuel Injection. Carburetors. Carburetor Components. Fuel Pumps Regulators and Filters. Also in Air & Fuel Delivery. Air Cleaners. Air Scoops. Cold Air Intake. Fuel System Kits.The Holley carb is a 2 barrel 500 cfm 4412-5 with a date code of 2644. I am trying to get a rebuild kit for it. None of the local parts stores have a listing for it. One of them said it was a 2300 and sold me that kit. The metering plate gasket is wrong and the power valve is totally different. I see a few on ebay that say they are the right ...

Below the list number is a date code that will contain no more than four (4) digits. See Figures below. Figure 1 Figure 2 Figure 3 Figure 4 Figure 5. EXPLODED VIEW - MODEL 2010. NOMENCLATURE - MODEL 2010 Ref. No. Description Ref. No. Description 1 Choke Lever and Swivel AssemblyFast Idle Cam Plate Screw 2 3 Fast ...

Holley Carburetor Numerical Index. Holley carburetor numbers are referred to as 'List' numbers. They are usually stamped on the carburetor body and preceded by the word 'LIST' or the letter 'R'. 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 ...C1 & C2 Corvettes - Holley date code - Hello newly registered to the site but I have been using it and all the technical knowledge that is available here… thank you very much! From my research I have an early (September) St Louis 1965 conv. 327/350hp. The car appears very original under the hood but I am learning how...1702 posts · Joined 2006. #1 · Feb 28, 2009. Have a guy trying to sell me an original Holley DZ carb but I'm not sure the date code is correct. Here are all the numbers on the choke horn: 3923289-DZ. LIST-4053. 0523. Correct or service replacement? '74 with roller 454, TH400 3K stall and Ferd 9 w/ 4.20s".1 mpfi fuel injection system part numbers 550-903 thru 905, 550-916 thru 918 & 550-926 thru 931 handheld tuning and reference manual - 199r11761DaleM. 15636 posts · Joined 1998. #2 · Feb 4, 2006. The number after the 3310- are revisions but I'm only aware of up to -4, not -11. The -1 was a rated at 780 and was a model 4150 while the -2, -3, & -4 were rated at 750 and were 4160 models. Date code looks to be January 10, 19x5 or 2005. Holley date codes are the 1st three …All Holleys through 1972 had 3-digit date codes (year, month, week of the month); all Holleys after 1972 had 4-digit Julian date codes (day of the year, year). Any Holley on a Corvette with a 4-digit date code is a later Service replacement.For a correct carb date, you need to look for 3 digit that start with a 5. So if your car's birthday for instance March 2nd, 1965 then you want a carb dated 531 (5=1965, 3=March, & 1=1st week) or earlier. If you are concerned with NCRS then you look for something up to 6 month earlier than the build date is normally acceptable.Item description from the seller. Lemans type carb with cathedrel style bowels. Fresh rebuild with fresh hardware,dye chromate main body,meter blocks, & bowls. Has been run on engine test stand and adjusted and leak checked. Meter block #4137 pri and #4841 sec. 780cfm, date code 581, 1st week AUG 1965. Seller assumes all responsibility for this ...For tech support questions. ask our experts at 1-866-404-6141. Shop the official site of DiabloSport's industry-leading automotive performance tuners & programmers at Holley.com!The date code still resides at the end of the Tire Identification Number. The first two digits of the date code are the week of production and the last two are the year of production. This helps to clear up the single-digit year confusion that existed before 2000. So, a tire with a date code of 4823 was built in the 48th week of 2023.

#1 · Mar 23, 2015. A friend of mine has a Holley 3997788 6238-1. The numbers show it's a 1972 Z/28 with auto trans carb. The date code is a four digit code (1354) so it's a replacement carb from what I've researched and the "4" is the year of manufacture. Is there a way to tell what year? 74? 84? etc. Also, any idea of it's value?

Dec 02, 2017 #1. I've got a 3310-2 with a date code of xxx4. I'm assuming 1974 or 1984, but I cannot seem to find any information on what years the "-2" version of the 3310 was in production. Does anyone know when the "-3" carb replaced the "-2"? Just curious. tuner. 2,111 70. Site Admin. Dec 02, 2017 #2.

397 posts · Joined 2012. #2 · Apr 15, 2020. Was used on hiperformance Big Block cars, not just Camaros as well. There is no date code on the horn, below the p/n. Most likely a warranty carb. Restored $750-$1000. Some go higher. Needing complete restoration and finishing, maybe $250.Below the Holley list number is the three-digit date code, which can be deciphered as follows: The first number designates the year of manufacture, represented as the last digit of the calendar ...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? Would seem to be 309 (November) and the 2 for 1972. Were service replacement carbs built after some date given a 4-digit date codeDate codes and part numbers for 6-Barrel/Six-Pack applications. The carbs all have "list numbers" and date codes stamped on them. The date codes are 4 digits. The first three are for the day and the forth is the year. The "list numbers" for 1969½ carbs are as follows: Front outboard carb 4-speed and auto - List - 4393Re: Holley 3310 date code. Joe; The 3310 was originally installed on the `65 Chevelle Z16, but it also became an over-the-counter universal replacement carb as well, and is still produced by Holley today, although the current version has little in common with the original version save for the LIST number.Holley Double Pumper® carburetors are a perfect performance upgrade for hot street cars and race vehicles. Double Pumper carburetors are an American icon when it comes to performance carburetors. From their roots as the premier carburetor on many factory muscle cars to powering thousands of vehicles across the finish line, the Double Pumper is a great choice whether you are burning up the ...List 4345. 09-20-2020, 07:09 AM. Just picked up a '69 Cobra with 428 CJ and factory correct Holley C90F-9510-H. List 4345. I can't seem to find this particular carb in the "Holley Numerical Listing" index. I guess what I'm most interested in is the stock vacuum secondary spring color (and other details given in the index).date code that will contain no more than four (4) digits. See Figure 1 below. Figure 1 DISASSEMBLY: Rest the carburetor on a repair stand to avoid damage to the throttle plates during the renew procedures. Use the exploded view, for the model of carburetor you have, as a guide and follow the numerical sequence in general to disassemble unit farUnreal. 7608 posts · Joined 2001. #2 · Dec 1, 2003. In 68 (which could have a 67 date) the 4053DZ was used on Z/28, L78 b/b Camaro, Chevelle and Nova, as well as L72 Impala. In 69 it was a Z/28 only carb. The L72 and L78 used a 4346, which is essentially the same carb with (I think) different jets. The vacuum ports on the base plate are ...Step 2. Locate the Holley model number. After determining the carburetor is a Holley, look for the code numbers, usually located on the side of the air horn. The Holley model number is present along with the auto maker part number, if factory-issued, a date and application code. Locate the lone four-digit code.

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). model 885 - number on plate, mounted on air horn body. number may also be found on tag as shown here model 1909 part number stamped on throttle body flange or 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 ...Instagram:https://instagram. lkq erdman ave inventorydoes vuse have diacetylrare breed tv costamazon syncbank payment C1 & C2 Corvettes - Holley date code make sense? - I've owned mt 67 for several months and am still learning. I've been looking at all the codes and numbers trying to verify what I have. So far everything looks good. I looked at the holley 3810 carb on the car and it looks like the date code is 6O4 which from what ice...Online dating site eHarmony.com announced a new service that might seem counterintuitive for an online dating site: human matchmaking. It’s called eH+, and offers a one-year contra... flagship cinema ocean city marylandhonda b124 Ford and Mustang bellhousings flywheels. 427 Tunel Port, 427 Cammer SOHC, Mustang Boss 429 BOSS 351 and BOSS 302 parts ID decode and date code decoding Shelby Ford Mustang 289 302 351 390 406 427 428 429, K code hipo, cobra jet, Boss, Intake manifold, Exhaust manifolds valve covers gaskets, classic race vintage images pictures.Description. Service Holley 4053 CARBURETOR date code 892. This is a Camaro carburetor. The number above that in the picture is the General Motors id number 3923289-DZ. Restored to its original Holley color, all of the steel hardware has been re-plated to the original finish. Carburetor retains the factory Holley calibration. main event lexington ky opening date The Holley code tells when it was actually cast. It is common that a 1963 design has a casting date of 1968. This is the numerical listing, aka Holley part number. This is what your carburetor is. List 3793, 4118, 2143-1, 4412 pictured. Ok last/bottom line is date code. Early versions had a three digit code.Interior. 976 Mulsanne Blue. 979 Bridgehampton Blue. 982 Donnybrooke Green. 992 Laguna Gray. 975 Marlboro Maroon. 993 Corvette Bronze. 974 Monza Red.May 21, 2019 · C1 & C2 Corvettes - 3247 Date Code Decipher Help - Could someone help me decipher the date code of the 3247 Holley which is installed on my (Sept 65 build) 66 427/450 L-72. The part number verifies that it is correct for a 66 427 but the date code stamped on the air horn is not a correct 3 digit number as per the...