Holley date codes

A date code should appear below the list number. Older carburetors have a three-digit code, while carbs made after 1972 used a four-digit code. You can always call Holley’s tech hotline and ask a Holley technician to help decipher the date code, but remember, this number doesn’t have any particular use for you, so you really don’t need …

Holley LS Fest. 146,120 likes · 3,136 talking about this. Holley LS Fest is a celebration of everything and anything powered by the incredible GM LS engine!C1 & C2 Corvettes - 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?.Please be aware that this is a community forum. 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 2019; Posts: 565; Share Tweet #2. 07-30-2020, 02:07 PM. I think you ...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.Mar 7, 2009 · 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 . Example: C9AF-9510-N 2. The second line is Holley's "LIST" number. This is Holley's part number that corresponds to Ford's engineering number. 3. The third line is the date code. NOTE: For any factory installed carburetor this will be a three digit date code. A four digit date code means that the carburetor was sold in the aftermarket!! Four ...The code numbers of a Holley carburetor are usually located on the side of the air horn. You will find that the Holley model number of the carburetor is there, along with the automaker part number if it is factory issued, as well as a date and application code.

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.Can someone decipher Holley date codes? rhw. Fuel Injection, Carburetion & Fuel System. 2. 05-16-2007 09:25 PM. Date codes. camperspecial65. 1961 - 1966 F-100 & Larger F-Series Trucks. 2. 06-12-2004 05:54 PM. Back to Subforum. 1980 - 1986 Bullnose F100, F150 & Larger F-Series Trucks. View Next Unread.List 2818-1 GM # 3849804 Date code 482 (1964, August, second week) I have not altered or attempted to clean this carb. For a Restoration I could do damage. Carb is missing the vacuum secondary actuator, the choke flap, and accelerator arm. I have these parts available off some use older era correct Holley's.I have a question about the date coding on a Holley 600 cfm carburetor - C8OF-9510-D. Would a date code of 7B4 be correct for a 1968 Cougar XR7 GT produced on 12/19/1967? I understand that 7B4 means the 4th week of December 1967. ... 3 character Holley date codes are year month week. For month the characters 1 through 9 is …Significant new changes means something is wrong. • Check the fuel pressure and fuel system components for leaks and restrictions (wiring, plumbing & venting). • Use the appropriate amount of timing advance at idle. Stock cam - 20°, performance cam - 25°, radical cam - 30°.Sniper EFI Selector /. Holley 2300. The Holley 2300 carburetor was widely used in the 60s and 70s across several manufacturers. While 2-barrels were traditionally found under the hood of more economical cars, the Sniper 2300 can support up to 350 horsepower and 14.7 psi of boost while the Super Sniper 2300 can handle up to 650 hp and 21.5 psi ...

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.The code numbers of a Holley carburetor are usually located on the side of the air horn. You will find that the Holley model number of the carburetor is there, along with the automaker part number if it is factory issued, as well as a date and application code.1 - Chevrolet. 7 - 1967. 8 - 1968. 9 - 1969. 1 - Jan thru. 12 - Dec. There is another code near the valve stem that indicates the day of the month, 1 - 31. There are many other parts which are date coded. This is only a partial list.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 ...

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Date codes are found on the carburetor air horn. Expect to see three lines stamped in factory installed and service replacement Holley carburetors-Ford part number, Holley List number, and the ...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. ... Date code: 20090101 Firmware version: 0.0 Build 158 profile # 1.ANCO 31-Series Wiper Blade 22" & 22" Front (Set of 2) $17.24. Trending at $22.99. Find many great new & used options and get the best deals for Holley Carburetor List 3043 Date Code 043 at the best online prices at eBay! Free shipping for many products!Early Holley carbs used a three digit date, year, month, week. 782 would be a Holley made in 1967 (7), August (8), the second week (2). Later Holley's use four digits, three digit for the day of the year, and a forth for the year. 0131 is a Holley assembled on the 13th day of 1971. Some parts use a simple Julian date. 12-21-2013, 08:19 AM. On my NOS bottle, the date code is 09 ⇧ 1 1 (September, 2011). May God's grace bless you in the Lord Jesus Christ. '92 Ford Mustang GT: 385"/6.3L SBF, Dart SHP 8.2 block, Eagle 3.470" forged steel crankshaft & H-beam rods, Wiseco 4.200" forged pistons, Trick Flow Twisted Wedge 11R 205 CNC Comp Ported heads, 12:1 ... Sep 1, 2023 · The date code consists of four numbers. The carb date does not go by the Chrysler 10,000 day calendar. The first three numbers indicate the day of the year and the fourth number indicates the year. Therefore, a date code of 3619 from a 1970 440 Holley carb indicates the 361st day of the year (December 21st). The 9 indicates the year 1969 ...

Find many great new & used options and get the best deals for Holley 3139-1 Carburetor 3874898 -ER ..Date Code 142 at the best online prices at eBay! Free shipping for many products!1930-1949 (the "NDC" years) In 1930 Gillette stopped using serial numbers on razors. So razors made from 1930-49 can be difficult to date precisely. However, blades made in those years were stamped with a date code: A for 1930, B for 1931, etc., plus 1-4 for the year quarter. So "A-1" means January-March 1930.For more information you can fill out a Technical Request form, download instruction sheets and manuals, or visit our Tech Support Library for videos and FAQ's. If you have sent an item in for repair and want to check its status, please call the respective tech line below. 1-866-464-6553.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.if the carb has a 4 digit date code it is not made is the 1960's and is worth less than a 60's made Holley 715. Four digit date date: first number is the year made, last three digits are the day of the year. ex: 7122 = carb made in 1977 (or 1987, or 1997, etc) and the 122nd day of the year. Z.Upload the SD card contents from the Holley website to your SD card. Put your old GCF into the new FW0101 folder, under the saved GCF folder. Take the SD card to your handheld. Turn the key on and update the ECU firmware. At that point the two should match. That's the best your gonna do with what Holley gives us. Holley Performance Rebuilds our OEM/Holley DZ-302 Carburetor. One of the best kept secrets (or worst, depending on who you ask) about Timeless Muscle Magazine, is the rather vast array of classic iron project cars we have in dire need of attention to restore them to their former glory. In addition to our ’68 Firebird and ’70 Chevelle SS, we ... Holley: Model identification and date code are stamped into the forward vertical surface of the air horn. The normal Holley date code can be deciphered as: 1st digit is last digit of calendar year, second digit indicates month ('1" through "9" for January through September, "0" for October, "A" for November and "B" for December) and third (last ...Archer1440. Currently VP9L OR's proofed by HK USA don't bear date codes except for the frame molding code inside the frame. You'll find the HK proof mark on the barrel next to the SN toward the muzzle end of the locking block (HK logo in a shield). 2020 and 2021 VP9L upper kits have the Ulm antler mark, date code, Nitro proof mark and ...Feb 4, 2005 · I have a Holley List# 3310, part# 3878261 EH and date code of 152. This should be for a 65 396 but do not understand date code, If I am reading it right is is 1971, May, 2nd week. Someone give me correct info on this.

'92 Ford Mustang GT: 385"/6.3L SBF, Dart SHP 8.2 block, Eagle 3.470" forged steel crankshaft & H-beam rods, Wiseco 4.200" forged pistons, Trick Flow Twisted Wedge 11R 205 CNC Comp Ported heads, 12:1 compression ratio, 232°-244° duration/.623" lift/114° LSA H/R camshaft, Trick Flow R-Series FTI Comp Ported intake, BBK 80mm throttle body ...

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 ...They had 450 cfm 4 bbl carbs to be used with the intakes for best mpg. If you could go from 12 to 15 mpg you were happy. Some folks really drove @ 55 mph, they were looking for max mpg at low rpms on the freeways. Some claim to be getting 20 plus mpg.Holley EFI 686in Pro Dash. Pro Dash CAN IO Setup Overview. Contains firmware update information for both 12.3" and 6.86" Holley EFI Pro Dash products. Updated - 2021-10-12. Pro Dash Firmware V6 Build 260. Pro Dash Firmware for Sniper, Terminator X, and Holley EFI for 12.3" and 6.86" Dashses. Get help from other Gear Heads!Area codes list for the United States, state New York, Holley. Reverse phone lookup, search by area code or region. Local time and map of HolleyOn 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 ...Date codes are found on the carburetor air horn. Expect to see three lines stamped in factory installed and service replacement Holley carburetors-Ford part number, Holley List number, and the ...Holley date code question. Is the date code 0953 correct for 1967? aka HurdRep, Denver Dave and keeper of various 55 and 57 Chevys, , 67SS396 Convertible, , 40 Ford, 51 Mercury and a real 32 Ford three window coupe, for balance. 095=day of year. 3=Final digit in year manufactured.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. Announcement. Collapse. No announcement yet. MSD 8546 Date Code. Collapse. X. Collapse. Posts; Latest Activity;

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When the code extends to four or five digits, the initial one or two digits denote the year. So, 3156 would be read as June 5, 2023, while 22156 signifies June 5, 2022. To swiftly decode the three digits representing the date, you can refer to this helpful Julian calendar.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.Find many great new & used options and get the best deals for 3923289 DZ 1968 Holley 4053 OEM Carb Date Code 813 Blocks F-5583 R-4519 at the best online prices at eBay! Free shipping for many products! ... Holley 0-4412S 500 CFM Performance 2BBL Carburetor. $456.95. Trending at $469.95. Keihin PWK 38mm Air Striker Carburetor For YZ250 RM250 ...The first two numbers stand for the year, while the last three numbers represent the day of the year. [9] For example, if the code was 11322, you would know that the food was manufactured on the 322 day of 2011, or November 22nd, 2011. 4. Look for a 3-digit numeric code on perishable foods.Technical Information. Tech Service: (502) 781-9741. Holley Carburetor Numerical Listings. Carb. Primary & Primary Secondary Primary Secondary Primary Carburetor Model CFM Renew Trick Secondary Main Main Jet Metering Metering Primary Discharge Part No. No. Kit Kit Needle Jet or Plate Block Block Power Valve Nozzle & Seat Size. 0-84781 4150 850 ...01-14-2015, 09:52 PM. There are no visual indicators without a laptop or a Holley Digital Dash. If certain sensors failed it would just run like crap, others it may not run at all, and some would make little to no difference if the tune was spot on. You can create a warning output that can be triggered by numerous things.Congratulations on finding Take advantage: up to 45% discount at Holley Girl, a once-in-a-lifetime offer. For now, you can have access to Take advantage: up to 45% discount at Holley Girl. You will save $37.9 on average in Take advantage: up to 45% discount at Holley Girl. Don't forget to check the expiration date of Coupon Codes so you don't ...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.I think the second carb was a service replacement carb for the copo's due to the four digit date code.Holley Coupons can help you save $21.58 on average. You get a discount on 20% OFF when you buy Holley's goods from holley.com. According to statistics, a person who participated in 20% Off Srp at Holley saved an average of $21.58. Coupon Codes are widely used to give you discounts on whatever you buy. 10%.Do you think your partner may have a compulsive sexual behavior disorder (CSBD)? In this article, we detail what CSBD is, how it is treated, and advice on how to cope. Dating someo...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. ….

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. The list number typically is four to six digits long and may or may not have a suffix number behind it. The date code will be right below it. Take care not to mistake the casting number and ...Save $$$ w/ Holley Coupons: 33 Holley Coupons and Promo Codes tested and updated daily. Find the latest Coupon Codes and discounts for May 2024 on HotDeals.com. Deals. Coupons. Stores. Travel. Mother's Day Sale ... Expire Date Join Holley.com Today and Receive Additional Offers: $10.09 Average Savings: 06 May: Great Offer for Holley: 10% …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.06-10-2021, 09:00 PM. Very much agreed. I'd love for Holley to develop a software/hardware process that would allow Sniper users to add inputs for stuff that's actually important (and helpful for troubleshooting) such as fuel pressure, oil pressure, oil temperature, etc. I'd pay for this capability. 1987 IROC-Z Camaro.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. ... Date code: 20180830 FW Ver: 4.0 build 110 Profile #1 TPS Calibrated: Yes HEFI type: HP And other info on GCF file and time stamps ...The average last frost date is a crucial piece of information for gardeners, farmers, and anyone involved in outdoor activities. It helps determine the optimal time to start planti...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.Korbi. Nov 30, 2003 #10. 3 digit Ford Holley date codes are YEAR/MONTH/WEEK. With the January month being 1 and 0 being October. Finally A and B for Nov and Dec. There are a few exceptions, some carb models date codes start with A for January ending with M for December. The last digit in the date code is the Week it was manufactured.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. The list number typically is four to six digits long and may or may not have a suffix number behind it. The date code will be right below it. Take care not to mistake the casting number and ...There is a date code on it too that line has a A… not sure what that is for, then 7L22 which is 1967,November 22nd. ... Check the metering block numbers and for any damage. There is a big Holley book that lists all the metering block numbers and other parts for each carb list number. Save Share. Like. Ron Miller Discussion starter Holley date codes, Milwaukee uses a six-digit code engraved on the battery. The first four digits represent the manufacturing date, while the last two digits represent the year. For example, the code "1234 20" means the battery was manufactured on the 123rd day of 2020. If the code is "0518 18," it means the battery was manufactured on the 5th day of 2018., I managed to obtain a copy of a page of the original engineering data sheet from Holley dated November 17, 1964. They were released to manufacturing December 2. Original, S1MS three digit date code carbs like yours are quite rare. It seems there were some date codes produced in greater numbers than others., CouponAnnie can help you save big thanks to the 18 active coupons regarding Holley. There are now 4 discount code, 14 deal, and 4 free shipping coupon. For an average discount of 25% off, shoppers will get the full reductions up to 55% off. The best coupon available right now is 55% off from "Score Free 3-Day Shipping on Orders More Than $25 at ..., Vintage 1969 Holley 4604-S 3-BBL Carburetor Date Code 982 Yenko Baldwin 427. VintageParts NOS and Used. (5013) 100% positive. Seller's other items. Contact seller. US $99.99. 0 bids., How do I read date code on Holley 2818-1. 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 are "0619" some of the information I have seen give the front number as the year & others give the last number as the year, Thanks in advance for any help. Don., C1 & C2 Corvettes - Holley Carburetor Date Code Correct? - My car was born on Tuesday June 14th 1966 according to the Shipping Data Report. My Holley carburetor horn is stamped with part number 3367 and the date code is 663. If I am reading this correctly, the carb would have been produced in 1966, the 6th month and..., I have a Holley List# 3310, part# 3878261 EH and date code of 152. This should be for a 65 396 but do not understand date code, If I am reading it right is is 1971, May, 2nd week. Someone give me correct info on this., To check and/or change the screen resolution of you desktop, click on the "Start" button on the task bar, select "Settings" and then "Control Panel" and finally "Display". The Display Properties dialog box will be displayed. Next click on the "Settings" tab in the Display Properties dialog box., Again a service part with a date code of 142, or 1971, April, 5th week. Holley 3230 4-barrel carburetor dated 502 - 5=1965, 0=October, 2=2nd week. Original equipment for 1966 …, 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. Announcement. Collapse. No announcement yet. MSD 8546 Date Code. Collapse. X. Collapse. Posts; Latest Activity;, four digit date code is one. Holley went to Julian dates composed of four numbers: the first 3 digits are the day of the year, the fourth digit is the last digit of the year. For instance, a date code of 0311 would mean that it was built on the 31st day of the year (Jan - uary 31st) and the year is either 1971, 1981 or 1991. A date code of, 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 Inc. (NYSE: HLLY ), the largest and fastest growing platform in the enthusiast branded performance automotive aftermarket category, today announced the date for the release of its third quarter 2022 financial results. Third Quarter 2022 Results Holley will host a conference call and live webcast on Monday, November 14, 2022, at 4:30 p.m. (Eastern Time) to discuss the Company's third ..., Date codes marked 0016 - 1986: (built from January 1st of 2006 (001) through the 198th day of 2006 (July 17th) ... many took advantage of the situation to rip Holley off. Holley was originally sending out the carbs on receipt of complaint and issuing a call tag with the carb. Turns out many of the original claimants never had a carb and were ..., Very Nice Holley 650 cfm 4 Barrel Model 4150 Double pumper carburetor with manual choke. R4777-1, date code 1006. Bolt on and Go. post id: 7743643630. posted: 2024-05-04 09:34. ♥ best of . Avoid scams, deal locally Beware wiring (e.g. Western Union), cashier checks, money orders, shipping., Buy Holley HOL 0-4412S 0-4412S Model 2300 500 CFM 2-Barrel Manual Choke New Carburetor ... shipping from Amazon.ca was painless in fact it arrived 4 days earlier than the original estimate arrival date. i love my truck now..... until the wifey comes home from work then she is the special one..... Read more. Report. See more reviews. Top., March 7, 2024 by Mike McMaken. Holley does offer a military discount. It provides 10% off on all products purchased on the Holley website to active duty and retired military personnel. See 3,000+ New Gun Deals HERE., 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 , How do I read date code on Holley 2818-1. 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 are "0619" some of the information I have seen give the front number as the year & others give the last number as the year, Thanks in advance for any help. Don., No one wants to purchase food that is out of date. Although examining the food for signs of spoilage is one way to check its quality, understanding how to read food expiration date..., Author: Topic: Holley date codes: Fastymz Moderator . Posts: 20708 From: Reno Nv USA M&M#1240 Registered: Apr 2001: posted 06-14-2004 03:21 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: Sep 2014; Posts: 56; Share Tweet #1 LSx Injector Harness Diagram/Wire Color 02-14-2016, 06:59 PM ..., Sniper EFI Software/Installer v1.3 Build:50 - Windows Vista,7,8,10 Compatible. Sniper EFI Firmware Revision Log. Sniper EFI ECU and Handheld Firmware Revision Log. Sniper EFI - V1 SD Card Contents. This files contains SD Card Contents for Sniper 1 applications utilizing V1 Firmware., Our date code converter is here to help. It supports numerous formats mentioned in our How to Read Expiration Dates article and their variations. Simply enter the code (like 052124 or 13156) into the input below and click the button to see the converted date. Convert., Find many great new & used options and get the best deals for Holley Parts Carburetor 3310-1 6R2762 Date Code 2772 No Reserve at the best online prices at eBay! Free shipping for many products!, Where do I look for the numbers and date codes? Is there an online application guide for Holley Carbs? Thanks Josh . 1969 L-78 SS/RS Project ... I have a Holley List# 3310, part# 3878261 EH and date code of 152. This should be for a 65 396 but do not understand date code, If I am reading it right is is 1971, May, 2nd week. Someone give me ..., 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 ..., That's right, Black Friday, Cyber Monday and four solid days of deals. From Friday, November 25th through Monday, November 28th, 2022, if you were holding out for great deals from Holley's family of brands, now is the time to act! Take a look at just a sampling of the items that you can find deals on this weekend:, Most of the individual parts on your Camaro have a date code to indicate the time of manufacture. Here are some of these codes. You will also find casting and parts codes on many of these parts. ... CARBURETOR, HOLLEY. 972: Year: Month: Week: 7 - 1967 8 - 1968 9 - 1969: 1 - Jan thru 0 - Oct N - Nov D - Dec: 1 - 1st week 2 - 2nd week 3 - 3rd ..., Date codesMax power for holley 12-1800 Holley carburetor 3139-1 4 bbl 3874898 er date code 1903 chevelle 396Holley 3139-1 carburetor 3874898 -er ..date code 142. Vitamins without iron, healthy snacks for weight loss, holley carb cfmHolley 3140 1 4 bbl 3868864 es date code 594 Holley 2300, 2300g, 2300mg exploded diagramsPhscollectorcarworld ..., Find many great new & used options and get the best deals for Holley Parts Carburetor 3310-1 6R2762 Date Code 2772 No Reserve at the best online prices at eBay! Free shipping for many products!, 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., Apr 15, 2013 ... there will be the number 3447SA and next to that or below that stamping there will be a date code stamped on the same ear. For example a carb ...