Holley date codes - This link may help: http://www.holley.com/data/TechService/Technical/Carb Numerical Listing.pdf The date codes on factory Holley carbs were 3-digits up to 1973, …

 
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.. 502 bus schedule to pleasantville

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 ...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!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.Moving on, 0798 is our date code; Holley used a three digit up to 1973, after which they moved to the four digit code you see here. Decoding them is as follows: Three Digit - Example 763 > 7 - Year (1967) , 6 - Month (June) , …HolleyQuote. 1967 through 1969 Holley. The identification number and the date of manufacture are stamped into the forward vertical surface of the air horn. The three digit date code is broken down with the first number being the year of manufacture, the second number (or letter) being the month of manufacture (1 through 0 for January through October ...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 . 3 ADJUSTMENT SPECIFICATIONS: MODEL 2010 List Number Choke Index Pump Cam Position Dechoke Choke Qualify 82010, 82011, 82012 No. 1 82020, 82021 Index No. 1 .300" .175"-.225 ...Trying to determine to continue to use this Holley Carb currently on my 1966 K-code or to rebuild by original Autolite 4100 C40F AL for use. Holley Carb info. Here are several different numbers I pulled off of it: casted with 6R 3760 B on the top. Stamped with "LIST-4776-1 2455".Find many great new & used options and get the best deals for HOLLEY carburetor---3878261-EH- list3310 --date code 073 -Chevelle 396 Ho at the best online prices at eBay! Free shipping for many products!What type of carburetor are you looking for? 2-Barrel. 4-Barrel. Gasoline. Methanol. E-85. Automotive. Marine.Holley Product Registration. Thank you for purchasing product (s) from the Holley family of brands. Register your product to make your warranty return process as easy as possible. Some products even qualify for our 1 Year Extended Warranty. The current list of products that are eligible for our 1 Year Extended Warranty can be seen by clicking ...It may not be clear on the handheld but after updating the handheld firmware, turn off the ignition, wait a few seconds, and then turn it on again to proceed with the Sniper ECU firmware. 5) The Sniper and/or handheld are expecting the new firmware to be in a specific location/file folder.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: Dec 2021; Posts: 8; Share Tweet #1 Sniper backfire at intake during acceleration. 12-04-2021, 02:18 PM ...'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 ...Note the date code of 072 indicates it is a dealer service part since the date code is 1970, July, 2nd week. Another 3310 Holley (GM number 3878261EH) used on the 1965 396 L72 (Z16) engine. 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.My brother has a holley carb. that has a C3AF part # with a date code 6B2. My question is how to decode holley date codes? To me it would decode as 6=1966 …The Holley EFI 6.86" Pro Dash is customizable with a variety of gauge and indicator screens that can be ... GPS lock and to keep the current date and time. "Clean" = a connection that does not share the same connections as "dirty" sources such as coils, a starter, solenoids, fans, etc., that have a lot of electrical noise or solenoid ...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 R6830 LIST 6830 and used on 73-74 Ford trk . Check here for specific Muscle car Info: Referenced by ; Holley R6830 or LIST 6830 ...Find many great new & used options and get the best deals for GM HOLLEY LIST 6773 CARBURETOR DATE CODE 3176 at the best online prices at eBay! Free shipping for many products!While there are resources dedicated to decoding this code, it is unused by Holley when attempting to source a rebuild kit or service part. The second line contains the list number "3259-1". ... When searching for used carburetors, note that three-digit date codes are pre-1973. Service carburetors (dealer replacements) will also be stamped with ...ZIP Code 14470 is located in the city of Holley, New York and covers 65.075 square miles of land area. ZIP Codes cross county lines, and 14470 is primarily assigned to Orleans County. However, is also covers mailboxes located in Monroe County. According to the 2020 U.S. Census, there are 7,648 people in 3,255 households.The 3403 is likely the date code if it's stamped just below the LIST 2818. If so, it's a service replacement carburetor dated the 340th day of 1973, 1983, 1993, etc. ... Find yourself a 3310 "EH" Holley, 780 cfm. They were original equipment on the `65 Z16 Chevelle, and Holley sold about a bazillion service replacements.Holley uses the jullien date code, 1908 corresponds to the 190th day of a year ending in 8. After every major design change Holley changes the number after the dash (-), hence this carb was manufactured after their 7th revision. Last I saw they were the double pumpers were -9, but that was a couple of years ago.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.ZLP955. 3654 posts · Joined 2011. #3 · May 19, 2014. ^^ x2. CRG's Carb page states "Service parts assembled 1973 or later will have four digit date codes" for Holley carbs, so it could be 73, 83 etc as Jon said. 1969 04A Van Nuys-built Z/28. Cortez Silver with dark blue interior and VE3. Sold Clippinger Chevrolet. Raced at Lions in LA.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 …Share. Tweet. #7. 09-10-2022, 07:57 PM. Shin, date code G 0 indicates the case was cast in July 1940. If it had been cast in 1950 the code would probably have had no letters, only numbers. For example a BT trans case cast in Jan 1950 had date code 1 0. For more info about these date codes and other BT trans case ID here's a link to a thread I ...Slash 10% Off Clearance! Unlock savings on Holley's select clearance inventory! Use the promo code for an extra 10% discount. Expires Saturday. 7 GET PROMO CODE.item 3 Vintage Holley Economaster 450 CFM 4 BBL CARBURETOR 7455 Date code 0917 GM Chevy Vintage Holley Economaster 450 CFM 4 BBL CARBURETOR 7455 Date code 0917 GM Chevy. $119.99 +$10.00 shipping. item 4 Carter AFB 4758 4761 400/500 CFM 2X4 Dual Quad Carburetors 4758S 4761S S Carter AFB 4758 4761 400/500 CFM 2X4 Dual Quad Carburetors 4758S 4761S S.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 farSpeed-Seal and Speed-Flex. Hardline. Also in Plumbing AN Fittings and Hose. Adapters. All Hose Groups. Application Specific Parts. Catch Tanks. Fuel System Components. Hose Ends.To keep this page up to date we utilize automated tools and a large team of editors to monitor every imaginable channel a Holley promo code could be discovered. Newsletters, social media posts, forums, deal websites, podcasts and radio ads- if there is a Holley promo code we will find it.Save $$$ w/ Holley Coupons: 36 Holley Coupons and Promo Codes tested and updated daily. Find the latest Coupon Codes and discounts for April 2024 on HotDeals.com. ... Expire Date Holley Promo Codes & Deals April 2024 - Up To 10% Off: 10% OFF: 14 Dec: Great Offer for Holley: 10% ~30% Off: 30% OFF: 05 Mar: 10-30% Off Holley Products + Free P&P ...And, today's best Holley coupon will save you 25% off your purchase! We are offering 34 amazing coupon codes right now. Plus, with 26 additional deals, you can save big on all of your favorite products. The latest promo code was added on April 23, 2024 and the latest deal was added on April 28, 2024.Apr 11, 2016 · Quote. 1967 through 1969 Holley. The identification number and the date of manufacture are stamped into the forward vertical surface of the air horn. The three digit date code is broken down with the first number being the year of manufacture, the second number (or letter) being the month of manufacture (1 through 0 for January through October ... If your tires were made before the year 2000, the date code will be only 3 digits - the first two digits again listing the week of the year, and the last digit being the last digit of the year of the tire's manufacture. This means a date code of "529" could mean the tire was manufactured in December 1999, or December 1989 - or even ...Holley 2bbl date codes ? Holley 2bbl date codes ? Started by johnshotrods, June 26, 2022, 03:30:38 PM. Previous topic Next topic. 0 Members and 1 Guest are viewing this topic. Print. Go Down Pages 1. User actions. johnshotrods. Trade Count: Small Block; Posts: 56; Logged; When searching for used carburetors, note that three-digit date codes are pre-1973. Service carburetors (dealer replacements) will also be stamped with a four-digit code similar to post-1973 units, the carburetor shown above was a service unit produced in 1978. 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.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.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.The ANSI compliance date on the data tag indicates compliance with ANSI Z21.10.1a-1985. where 1985 is the year revision for ANSI Z21.10.1a% compliance standard. This code is typically revised every 6-8 years, which indicates two common sense considerations... 1. This water heater cannot have been manufactured prior to 1985. 2.The date code will be right below it. Take care not to mistake the casting number and the list number - the casting numbers will be raised (not stamped) and alphanumeric. Invaluable information about the model, CFM, factory jets, power-valve size, and air bleeds can be discovered just by knowing your list number. ... If you need any Holley, ...Building Holley's Latest Giveaway. Jeff Huneycutt. 04/02/2024. tech. ADS Suspension 2021-2024 Ford Bronco control arm. New ADS Suspension Components for 2021-2024 Ford Bronco. Steven Olsewski. 03/28/2024. tech.These units showed up on thousands of Slant-Six Mopar vehicles, but they are a temperamental, leak-prone carburetor that I avoid.Examples of GE / Hotpoint Date Codes: For Maximum Resolution, Click on the Body of the Picture. For Example, the GE Dryer with SN: LR821547C was Manufactured in 2020, June. For Example, the GE Stackable washer and Dryer Model No.: GUD24ESSMWW with SN: RL059433C was Manufactured in August 2018 (F20-014).C1 & C2 Corvettes - Holley 2818 Date Code - I have two questions here. I'm found a Holley 2818 carb dated 4B3 for my 65 327/350 that has a F1215HT pad stamp. First, when a week number is determined, does it matter if it is a full or partial week? Looking at the December 1964 calendar below, is it safe to assume that...i'm trying to date a holley,are the 4 numbers under the list the date code?mine reads-4432-thanks any help bryan dfmIt will be like a 10 digit code with all the numbers meaning something but the date is the first thing indicated. 1982 GT. 351w (.060), ported & polished heads with 1.94/1.60 valves, 10.3 comp, stealth intake, 274XE cam, Holley 750 dp, Mallory dist., shorty headers, flowmasters, 4:10 gear, c-4 with 3700 stall converter, subframes, electric fan.4 digit Holley date codes started in 1973. From 1963 to 1972 they were 3 digits. Your date code 0814 translates as follows: 081 is March 21st, 4 is 1974. Your carb is a replacement or newer car take off manufactured on March 21st, 1974. Not original to the car. Sorry!Zip Code. Email. Product Information. Part Number. Purchase Date. Install Date. Place Purchased. I would like to receive updates about products and services, promotions, special offers, news and events from Holley, Inc. ... news and events from Holley, Inc. Submit. The current list of products that are eligible for our 1 Year Extended Warranty ...Holley started using four digit date codes in 1973. So I second what Velox said about the year of manufacture being 1978, 1988, etc. Holley has made special production runs of various carburetors over the years. I have an undated List 3810 that was purchased new in 2006.devices. Holley offers a USB cable with a sealed connector, PN 558-409 for applications were the USB cable will be plugged in, and the ECU is mounted in a dirty environment. HP ECU - The HP ECU has two main connectors: J1A - The first connector next to the USB connector is the "J1A" connector (34 pin). This connector is primarily an ...3. Match an all-numerical code with a "month, day, year" sequence. If the code you're reading is comprised of 6 digits, it most likely is a month-day-year code. Read these codes as MMDDYY, where "MM" refers to the month, "DD" refers to the date, and "YY" refers to the year.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.It will be like a 10 digit code with all the numbers meaning something but the date is the first thing indicated. 1982 GT. 351w (.060), ported & polished heads with 1.94/1.60 valves, 10.3 comp, stealth intake, 274XE cam, Holley 750 dp, Mallory dist., shorty headers, flowmasters, 4:10 gear, c-4 with 3700 stall converter, subframes, electric fan.Definitely a 1970 engine. Look at the actual date code on the other side of the block. It will have the day/month/yr on it. Plus the pad under the passenger side motor mount will have a VIN#. Yea these numbers were on the driver side. I will check those other places tomorrow.ZLP955. 3654 posts · Joined 2011. #3 · May 19, 2014. ^^ x2. CRG's Carb page states "Service parts assembled 1973 or later will have four digit date codes" for Holley carbs, so it could be 73, 83 etc as Jon said. 1969 04A Van Nuys-built Z/28. Cortez Silver with dark blue interior and VE3. Sold Clippinger Chevrolet. Raced at Lions in LA.Tweet. #1. 7" Digital Dash Freezing. 09-29-2016, 11:40 AM. Having an issue with my 7" Digital Dash. When the car is running, the screen will freeze and switch between layouts. If the power is just on to the car, the screen won't throw fits. Anyone seen this? I have tried resetting it back to factory with same results.There is a GM Part No, Holley List No and Date. I am not familiar wiht the other number. The date code for assy line is a three digit date. The first digit is for the year, the second digit is for the month 1-9 = Jan-Sept and 0=Oct A=Nov B=Dec, the third digit is the week of the month. 5A3 would represent 1965 - Nov - third week.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 ...The 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.Correct Holley Date Code for Build. I'm restoring my '69 Camaro Z/28 (Garnet Red, Ralley Sport, Endura, Black Vinyl Top, Deluxe Black Interior w/ Fold Down Rear Seat). My Ol' Z has a 09C Build Date (September 19th, 1969 to be precise). Unfortunately, the original Holley 4053 went away way back in 1974 (or so).Holley. Holley carburetors have been used on high performace engines since the early '60's. Their modular design, inclorporating a metering block for the jets and power vales, made it easy for anyone to rebuild their carburetor. ... and a date code. The stamping or part number decodes as follows: Example: #70 2 8 2 1 9 DG 1938 70 - Prefix code ...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: Apr 2020; Posts: 10; Share Tweet #1 Pin-Out Wire Colors 05-02-2020, 04:48 PM ...Below the list number is a date code that will contain no more than four (4) digits. ... Holley® Performance Products 1801 Russellville Road Bowling Green, KY 42101 1-270-781-9741 1-866-464-6553 www.holley.com 199R10013 Revision Date: 1-24-14. Author: Wendy Fleming Created Date: 1/24/2014 9:23:25 AM ...F. FOXBROSRACING. 201 posts · Joined 2010. #2 · Feb 21, 2013. as close as 3 weeks to build date, as far as 6 months before. holley built there carbs in batches. This is an older thread, you may not receive a response, and could be reviving an old thread. Please consider creating a new thread.Holley promo codes, coupons & deals, May 2024. Save BIG w/ (44) Holley verified discount codes & storewide coupon codes. Shoppers saved an average of $13.13 w/ Holley discount codes, 25% off vouchers, free shipping deals. Holley military & senior discounts, student discounts, reseller codes & Holley.com Reddit codes.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.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 ...If you’re a savvy shopper looking to save money on your next pizza order, then you’ve come to the right place. Papa coupon codes are a great way to get discounts and deals on your ...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 . 3 ADJUSTMENT SPECIFICATIONS: MODEL 2010 List Number Choke Index Pump Cam Position Dechoke Choke Qualify 82010, 82011, 82012 No. 1 82020, 82021 Index No. 1 .300” .175”-.225 ...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.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 farThat #4801 LT-1 Holley on Ebay dosen't have the evaporative emissions front fuel bowl on it. EVERY 1971 Chevy had evaporative emissions equipment on it (only us lucky people in California had it in 1970.) Date code would work for you but hardware is NOT right for carb.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... Flasheart May 22, 2014, 12:24am 1. Guys, I am looking for a correct date coded Holley 4088 for the GTE. I have been offered one with a late October 67 date code, and another with a late March 68 date code. The car is build date April 8 1968. Fortunately, when the original owner replaced the carb (The current carb on the car is a Holley 3310-2 ...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. I'm wondering about the 7 weeks between when the carb. was date stamped and the Build Date of the Corvette. Or you could look at it as 6 weeks to engine stamping.Date codes on Holley FE Carburetors Date codes on Holley FE Carburetors. my68gt. 109. my68gt. 109. Post Sep 26, 2012 #1 2012-09-26T17:13+00:00. My 68 Mustang GT Fastback (S code) I purchased quite a few years back and recently restored is all original except for the Holley carburetor (appears to be a "period" service replacement). I have begun ...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.Apr 4, 2022 · 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. 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.holley carb date code? Jump to Latest Follow. 2K views 5 replies 4 participants last post by Jim Mac Nov 25, 2021. Jim Mac Discussion starter. 12597 posts …Find out the Six Pack carb numbers and date codes in my article, 440 Six Carb Numbers and Holley Date Codes. Mopar 440 Carburetor Identification and Numbers; 413 Max Wedge Carburetor Specs; Also, check out the 426 Hemi fuel pump specifications. My uncle had two Hemi carburetors on the shelf in his garage. Every time we visited him I would ...

The Sniper EFI broadcasts data channels to the Holley EFI 7" Digital Dash via CAN bus connection. Parameters not connected to the Sniper EFI can be monitored on the digital dash using the optional I/O harness part number 558-432. Use of the I/O harness will also allow two ground switched outputs from the dash. ... Created Date: 8/11/2017 12 .... Frontier flight attendant pay scale

holley date codes

The 4-digit date code indicates that it was NOT a factory GM installed carburetor but is an aftermarket over the counter replacement carb. ... I belive Holley 3310, 3310-1 are 780 CFM VS with secondary meterig block and 3310- 2 on up are 750 CFM VS with secondary metering plate.D: 1970's. E: 1980's. F: 1990's. All Ford carburetors have the number '9510' in them. An example of a complete carburetor number as it might appear on a tag: D3TF-9510-CC. D means the 70's decade, 3 means 1973. In our lists, we abbreviate this number as D3TF-CC because all carbs have a '9510' number. Ford, Autolite, Motorcraft carburetor numbers.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 ... Holley started using 4-digit date codes in 1973; original '67 carburetors had 3-digit date codes that started with either a "6" (for 1966) or a "7" (for 1967). For 3-digit date codes, the first digit is the year, the second is the month of the year, and the third is the week of the month.'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 ...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: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 orHolley 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.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.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.If your tires were made before the year 2000, the date code will be only 3 digits - the first two digits again listing the week of the year, and the last digit being the last digit of the year of the tire's manufacture. This means a date code of "529" could mean the tire was manufactured in December 1999, or December 1989 - or even ....

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