Holley date codes.

Specialized Speed Dating - Specialized speed dating matches people belonging to particular groups, such as religion. Learn about specialized speed dating events. Advertisement Whil...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 ...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.Holley Date Code Chart: Reply Like. 09-18-2007, 07:29 PM #9 Dicecal. Melting Slicks . Member Since: Aug 2001. Location: Phoenix AZ. Posts: 2,846 Likes: 60 Received 40 Likes on 30 Posts Quote: Originally Posted by JohnZ. 0814 would be a service replacement, made the 81st day of 1974 or 1984 or 1994; Holleys made after 1972 used a 4-digit julian ...

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.

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 ...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 .

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.The biggest change was the jump between the 3259 and 3259-1 main number. The 3259-1 has design features to delay the opening of the secondaries until a higher primary flow rate is reached and close the secondaries sooner as compared to the 3259 design. This makes a List-3259-1 much more suitable for a little 289 than a List-3259.May 30, 2017 · Holley sells a new, 30cc metal pump arm, spring, bolt, and adjusting nut under PN 20-114 ($13.33 at Summit Racing). At some point in its life, the throttle lever came loose on the throttle shaft. 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...

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 ...

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.

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...IIRC, Holley used 3-digit date codes up to 72-73 time frame, then went to 4-digit date codes (year+Julian date). That would make that a 1975 July carb or thereabouts. Rhino: When Holly went to the four digit date code around 1972-73 the format they used was Julian Date + Year. The Julian Date was 3 digits and the year was a single digit.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...How do you read the date code on 69-76 rally wheels. and determine the month and year? This would be on stock, 15x8 rally wheels. Thanks! Reply Like. 09-23-2010, 10:12 AM #2 SoCalErv. Burning Brakes . Member Since: Oct 2006. Location: Native Californian CALIFORNIA. Posts: 1,081 Likes: 34 ...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 a bi-metal choke coil mounted to the ...

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 ... 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. 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. 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.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.HOLLEY 4557 CARB 983 DATE 1969 1970 454 LS6 396 L78 CHEVELLE 396 L78 CAMARO NOVA IT LOOKS PRETTY GOOD MAY OF BEEN REBUILT BEFORE. ... * Estimated delivery dates - opens in a new window or tab include seller's handling time, origin ZIP Code, destination ZIP Code and time of acceptance and will depend on shipping service selected and receipt of ...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...

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.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)

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.EC ~ 327-4bbl Spcl High Performance with manual transmission. F ~ Flint, MI. 0224 ~ February 24, 1965. DE ~ 283-2bbl 195hp with Powerglide transmission. F ~ Flint, MI. 0327 ~ March 27, 1965. EC ~ 327-4bbl Spcl High Performance with manual transmission - ironic engine assembly date. F ~ Flint, MI. 0330 ~ March 30, 1965.I have read conflicting information on what date codes were used for original and replacement Holley carbs during the 70's. I just purchased a carb that the seller stated up front is a factory replacement carb and not to be confused with a correct date coded carb that can be used on a numbers matching car. The stamping on the air horn reads ...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.1962 M-Code, Holley 2300-C List Number Stamp Location. Post by jrbudwig » Mon May 03, 2021 6:54 am. Hello Forum, Shortly after taking title to a 62 SR M-Code it was identified that two of the carburetors had "date codes" that were after the manufacturing date (March 1962) in addition to one of the carburetors was from a Galaxie. ...CFM 715 Holley. List Code 9029. Date Code 1435. Vac Secondaries. Dual Inlet Feed. This is a used carburetor and needs to be rebuilt, its been sitting around our shop for many years. This is not a marine certified carburetor. $90.00. Out of stock.Find many great new & used options and get the best deals for 1969 FORD 428 CJ #4345 HOLLEY CARBURETOR #C90F-9510-H (DATED 8A2) at the best online prices at eBay! Free shipping for many products! ... origin ZIP Code, destination ZIP Code and time of acceptance and will depend on shipping service selected and receipt of cleared payment. Delivery ...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...

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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.

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... If your Holley carb has a FOUR digit date code...that code was ONLY used for aftermarket carbs... The Holley 4-digit date code is based on the Julian callender.-The first three digits are the day of the year. (a littel math involved...sorry) 1-365 except for "leap-year...1-366.-The fourth digit is the LAST year of the DECADE. 1967/1977/1987/1997-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 ... 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), they retained the original metal tag, which has a 7L8 (November 8, 1967) stamp. I ...Re: 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.IIRC, Holley used 3-digit date codes up to 72-73 time frame, then went to 4-digit date codes (year+Julian date). That would make that a 1975 July carb or thereabouts. Rhino: When Holly went to the four digit date code around 1972-73 the format they used was Julian Date + Year. The Julian Date was 3 digits and the year was a single digit.Carburetor Reference Guide - MyMopar. 1963-1974 Carburetor Reference Guide. Carburetor Number. Carburetor Type. Application. 1963. 3236. C-1. 170 / 225 Taxi.The EIA program for assignment of Date Codes provides a standardized method to stamp or mark any or all products to identify the year and week of production. The Weekly Date Codes can be found below. This program follows the conventions defined in EIA-476-A (Source and Date Code Marking) and EIA-476-B (Date Code Marking) and follows the MIL-STD ...

Most Quadra jets are 600-650 CFM heres how to tell if it a 800 CFM body. Example: # 7028219. DG 1938. These numbers can be found on the side of the carb main body next to the throttle lever , 1965 to early 1968 was a round disc 1968 and later ones where stamped into the body on quadrajets. If the date code under the number is 4 numbers "1938 ...Holley Carburetor Model 2300-C Instruction Sheet 199R8338 TYPICAL VIEW The exploded view shown is typical of the model carburetor this kit will service. The view may differ slightly from the actual carburetor ... Date: 2-3-11 . Title: Holley Carburetor Model 2300-C Author: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: 1-9/16Holley Coupon Codes 2023. 16 Verified Coupons - last updated: October 22,2023. SUBMIT A COUPON. 12% OFF. 12% Off with Holden Promo Code. Verified • uses.Instagram:https://instagram. hair salon visalia calsu stadium layout1821 sam rittenberg blvdport robbery sneaky sasquatch 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, and then the letters A and B for November and December ... marlin 60 feed throat conversion kitrhythmstar heart monitor user manual Speed-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. frank ray move upstairs 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.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 ...