Holley date codes

Belts. 026x. «02» = February (01-12 = Jan-Dec) «6» = 196 6. x = Unknown (Poss A-Z may appear here, or blank (?)) York A/C Compressor. How to Read FoMoCo Date Codes Original Ford glass, sheet metal and other parts were usually date coded in one of several formats. To perform the most accurate.

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...Mar 20, 2024 · 03-20-2024, 10:10 AM. Use a laptop computer with the Sniper EFI software. Originally Posted by Danny Cabral. EFI Software & ECU Firmware Versions: EFI SOFTWARE: Click "Help" tab (top toolbar) & "About Holley Sniper EFI". ECU FIRMWARE: Click "Sync With ECU" & "Get ECU Info" (Key-on/USB connected). Date Code System Change. Prior to using Hermle movement date codes, early movements before the year 1987 have just the stamp of the year on the back of the clock movement, 81 just means 1981. From 1987 on they used letter codes instead of numbers to represent the year made. Such as the year 1988 is only marked with the letter A instead, and ...Holley’s reproduction units are extremely close to the original units and each still look like a 4150 Holley carb cut in half. Holley’s 500 cfm carb list number 0-4365-1 is the two “Outboard” Six Pack Carburetors that Originally came on 1969-70 Chrysler 440ci 390hp Engines. The original castings had the OE part number 3462373.Holley Coupon Codes 2023. 16 Verified Coupons - last updated: October 22,2023. SUBMIT A COUPON. 12% OFF. 12% Off with Holden Promo Code. Verified • uses.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.This is for One Good Used Original Holley Carburetor PN 3810 with GM# 3906631-DA, correct for the Chevrolet Corvette produced in 1967 with 327 CID and 300 or 350 HP. The date code of 8 B 3, (3rd Week of February, 1968) would suggest this is a service dated carb. It is rated at 585 CFM and has a vacuum secondary and choke that operates off of …Got some vocab words you need to learn? Try Quizlet, a free interactive learning tool. Got some vocab words you need to learn? Try Quizlet, a free interactive learning tool. Here's...

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.Best Holley promo code available is : 23WINTER. Save on every purchase with 25000 + shopping stores using our discount codes, coupons, deals & offers. Auto Replacement Parts Fuel Injection Car Parts. Save Big with HOLLEY Discounts. Save Up to 50% at Holley. ... Always Up-to-Date: Finding a great deal is only half the battle. You need to …The difference is in the front metering block. I have a '67 4-speed carb on my 390 GTA. It works fine, but I want the correct automatic version as listed in my signature (late '66 or early 1967 Holley LIST 3794 C7OF-9510-B for S code 390 GTA or just the metering block 5230). What is the date code on the automatic carb? WANTED PARTS: ☆ '67 ...Bulova date codes: 1924 - 1949 Between 1924 and 1949 Bulova used a date code symbol on their watch movements to indicate the year that movement was assembled. Between the same years many Bulova watch cases also had a serial number that started with the number corresponding to the year of production. The following table will help you date your vintage Bulova watch movement.20% Off Holley Performance Coupon Code: (4 active) May 2024. Edited by: John Caleb Pojas +. This page contains the best Holley Performance coupon codes, curated by the Wethrift team. Save up to 20% off at Holley Performance. 20% off: The best Holley Performance coupon code is 62YLLM. Last reported working 3 days ago by shoppers. [+] Show history.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.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 ...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 ...

Dec 13, 2014 · 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. 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%. 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.Holley date codes. 65slick. 416. 65slick. 416. Post Feb 27, 2013 #1 2013-02-27T11:14+00:00. Trying to figure out the date code on my Holley and ran across this site. Last # on my 4 diget date code is 3. Bounght my 83310-1 in 2003 even though its not on the list. Check out the link...

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Jan 19, 2017 · 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. 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.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 of boost.This is for One Good Used Original Holley Carburetor PN 3810 with GM# 3906631-DA, correct for the Chevrolet Corvette produced in 1967 with 327 CID and 300 or 350 HP. The date code of 8 B 3, (3rd Week of February, 1968) would suggest this is a service dated carb. It is rated at 585 CFM and has a vacuum secondary and choke that operates off of …The carb is a 4053 but is date coded to June 2, 1969. The carb need to be gone through and replated. Is the carbs date close enough to the build date of the car (and engine) to be considered normative practice or do I need to commence hunting for a later dated carb for the car to be "correct"? That date is fine for your car.Holley 0-80457S 600 CFM Street Warrior Carburetor. $312.00. Trending at $369.99. Find many great new & used options and get the best deals for 1972 Corvette Lt1 Holley 3999263 List 6239 Dated Dec 1971 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.1968 Holley 3923289 DZ Stamping Date code "833" (3rd week of March, 1968) 1969 Holley 3959164 GE Stamping Date code "935" (5th week of March, 1969) Chokes To aid in cold starting the engine, all 1967-1969 Camaro carburetors had automatic chokes that were controlled by a thermostatic coil located on the intake manifold or exhaust manifold. The ...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.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.Jul 1, 2011 ... Below the Holley list number is the three-digit date code, which can be deciphered as follows: The first number designates the year of ...Find many great new & used options and get the best deals for Holley 1850 - 4 Carburetor W/ Date Code 0157 at the best online prices at eBay! Free shipping for many products!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.

How to download Datalink II software from Holley.com; Data recording. Share How to download Datalink II software from Holley.com. Cameron Ferre. 04/29/2019. 10 min read ... Join the Holley Family. Stay up to date with the latest releases, events, promotions and more. Sign Up.

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. I talked to a couple of Holley reps back in 2010 trying to find out when ...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!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 …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: 1-9/16The 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 ...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 ...3310 was only used as a factory installed carb on the 1965 Z16 Chevelles, as far as I know. So a Dec. 1968 date code would be an over the counter speed part, either from Chev. or from Holley directly. Jeff Helms. -65 Z16 Survivor (Red/black/white int.) ( Survivor Z16 Picture album)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 ...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.

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Factory Reset Digital Dash 3.020. Load it on a USB drive, with NOTHING ELSE on the USB drive. Insert it into the Digital Dash USB cable, turn the power on. When the File has completed and the Digital Dash has loaded up. Power off, remove USB key, and then you can power back up again. Last edited by S2H; 04-10-2016, 10:25 PM .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. So if you can help, I would be happy. Thanks. 1374 = 137th day, year ending in 4, like 74, 84, 94. 2502 = 250th day, year ending in 2, like 82, 92 etc.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.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.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) , 3 - (Third Week)The Date Code begins with a letter designating the month the manifold was cast. A = January B= February and so on. The middle numbers designate the date and the Last number the year. ... I have a 1966 396 360 HP L 34 4 Spd. that came with a holley intake 3866948 how can this be 2 different manifolds with the same part # Leave a Reply Cancel reply.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 ... ….

327-4. 350-L79. H.D. 3-speed or 4-speed. A total of 116,551 6-cyl engines were installed; 49,608 194cid and 66,943 230cid engines. A total of 330,813 8-cyl engines were installed; 209,338 283cid, 46,230 327cid, and 75,245 396cid engines. There is no breakdown of engine type or size by specific series/model other than 6-cyl. vs. 8-cyl.C1 & C2 Corvettes - 1965 Corvette date codes/VIN & trim tags, stamp pad. ... ( lift, duration), roller tip rockers, correct Holley carburator, new correct air cleaner ...Update Agent 1.0 is used for Predator 2, inTune i1000, inTune i2 and inTune i3 and Trinity 2 programmers to receive software updates, add extended product warranties, and add additional vehicle licenses. This software for Windows allows you to open OBD-II Data Logs that you recorded with a DiabloSport tuner. Updated Dataviewer application for ...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: Oct 2017; Posts: 409; Share Tweet #2. 11-17-2019, 11:10 PM.For the Carb be careful of people selling a 4 digit date code as original as the are not. It is not just the carb center housing numbers also the primary bowl # stamped 6333 secondary 4519 look for any indication of grind out and re-stamp which is done a lot on the 4555 number. The numbers on the 4555 should look very close to this.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 PMDaleM. 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 …Jan 25, 2015 ... That's one thing that drives me crazy about Holley carb date codes. They're a 4 digit number, like 2356. The first 3 numbers are the day of ... Holley date codes, 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)., As of today, if you download the "Sniper EFI SD Card Contents" link for the support page for the Sniper EFI, you get firmware version fw_02_00_0310. If you look at the latest Sniper EFI Firmware Revision Log, the latest version should be FW_01_03_0500. I downloaded the version 2.0.31 and loaded into my Sniper ECU., 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 …, This whole search started when I tried to identify a Holley 2300 2V carb sporting a LIST - 8641. I can tell by some of it's features that it was an OEM carb on something, just trying to positively identify it. It's got a 1342 date code so I'm guessing it's the 134th day of 1962 or 1972. If anybody has a link to the 2300 LIST numbers index I'd ..., 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 ..., 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., 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 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. , 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., 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 ..., Oct 4, 2007 · 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. So if you can help, I would be happy. Thanks. 1374 = 137th day, year ending in 4, like 74, 84, 94. 2502 = 250th day, year ending in 2, like 82, 92 etc. , 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., 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 ..., 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., 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 ..., 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 of boost. Unlike its ..., Holley used 3-digit date codes on OEM production carburetors, and used 4-digit date codes on service replacement carburetors starting in 1970; the format of the 4-digit code is jjjy, where jjj is the julian date and y is the year so "3465" would be about December 10, 1975). The OEM 3-digit code is, Save up to 10% OFF with these current holley coupon code, free holley.com promo code and other discount voucher. There are 11 holley.com coupons available in May 2024. Greenpromocode.com. Stores; ... The code has expired. Check the expiry date of the code, as some of them run for a limited time or expire after a set period., 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., 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., 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., My understanding is that prior to 1973 Holley used 3 digit date codes, after that they were 4 digit. 3 digit codes are year (first digit), month (second digit) then week (third digit). So your 042 date code would be 1970, April, second week, 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., 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 ..., 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., 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 ..., 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. ... Holley can not guarantee an answer or timing on an answer. MSD 85551 date code W11. Is this covered for rust. it failed. Collapse. X. Collapse ..., 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., 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. I talked to a couple of Holley reps back in 2010 trying to find out …, 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., 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., Ken -- Thanks for posting the engine date decode sheet for the 430 engine. I'm trying to document the date code & part numbers for a Holley that The Old Cars Manual Project lists as being original for the 430 engine. Numbers stamped into the choke horn as follows: 5752426 List 1850 062, Nov 10, 2018 ... Need more info. What is the casting date on the block? Typically a 3 letter code ending in H in the early years means it came with a Holley ...