Holley carb date codes.

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. ... 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:

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

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!Holley Dual Sync Distributor Timing Control 199R11369 Date: 7-28-17 . Author: Matthew D. Lunsford Created Date: 7/28/2017 2:22:34 PM ...If it's an original 1964 carb, the date code is three digits (3). They are year, month, and week of production. A date code of 432 is 1964, third month or March, second week of March. If the month is November the month code is A. If December, the month code is B. If the date code has FOUR digits, it was built in the mid-70's or later (more recent).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 intake, (not ...Thanks Chuck. My car is a late Feb. build so it would make sense for a Dec. carb build date. The letter threw me. I bought the intake/ carbs 4 or 5 years after the car and didn't pay any attention to the carb codes. It was the early '80's and I was a newbie. I guess I got lucky they were dated just right.

DaleM Discussion starter. 15631 posts · Joined 1998. #1 · Jan 31, 2013. Ran across a 3916143-CT Holley (supposed to be a 67 carb number) but has date code of 3092. From everything I've read Holley dates through 1972 are 3 digits and 73 and later are 4-digits. So what's with a 3092 date?This is a Corvette Carb for 1967 300 and 350HP 327 Engines w/AIR. It has an original date code of 743, which decodes as 7=1967, 4=4th month or April, and 3=third week. The metering block number you gave is correct for it. It should have a base with a huge port on the right rear just under the secondary Vacuum Pod.

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.Holley Carburetor List 4346. Used On L72, L78, L89, 427 and 396 High Performance. Date 013 3rd week January 1970. ... origin ZIP Code, destination ZIP Code and time of acceptance and will depend on shipping service selected and receipt of cleared payment. Delivery times may vary, especially during peak periods. ... 1968 Chevy Holley Carburetor ...

It originally came on a 1965 Z16 Chevelle. It was made the first week of May in 1970. A foreign car bought is an American job lost! Correct, this is for a used Holley carburetor List 3310. It has the GM part number on it of 3878261 EH which is correct for the 1965 Chevelle Z-16 with the 396 engine. However the date code on the carb is 051 which ...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 ...I have a question and I hope somebody here can help me out. I am cleaning out my garage and I found a Holley 3910 carb. The part # is 3916143 CT and the list # is 3910. The date code is 993. I called up Holley and the said that it was a service replacement for a 1967 302 or a 1967 396/375. The date code is the third week of September 1969.Lean idle when drive engaged. Lean spike/stumble on light acceleration when cruising. 327 Street Car Carburetor & Tuning Ideas. Holley Street Avenger on mystery SBC.3310=common Holley replacement carb. -1 indicates a revised carb, the date code is probably 1983. This would be sold at like summit or jegs, not a GM replacement type deal. Authentication and pre-purchase inspection service still available. PM me for more information. :thumbsup: Still looking for that elusive 76 Nova SS.

HOLLEY CARBURETOR LIST 3810 1967 CAMARO CORVETTE Date Code 6B1. 1966 Dec. 1st week GM #3906631-DA This is a rare find for an early 1967 Production car. This is completely restored to all original specs, color and plating. It will be run on a live test motor before it leaves our facility to ensure that you will have a trouble free installation.

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.

Very Nice Holley 650 cfm 4 Barrel Model 4150 Double pumper carburetor with manual choke. R4777-1, date code 1006. Bolt on and Go. CL. portland > clackamas co > for sale by ... R4777-1, date code 1006. Bolt on and Go. post id: 7743643630. posted: 2024-05-04 09:34. ♥ best of .Holley Carb Hunter's Guidance. Video. Staff Columnist. 01/09/2020. 10 hokkianese read Share Dear / Motor Life / Holley Carb Hunter's Guide; Holley Carb Hunter's Direct. Workforce Writer. 01/09/2020.Most companys do not use this when looking up carbs and kits. 6905 - 6968 Transmission Overdrive. 7000 - 7997 Transmission (Automatic or Manual) and Clutch. 8000 - 8499 Radiator and Grill. 8500 - 8689 Water Pump and Fan. 9002 - 9296 Fuel Tank. 9301 - 9420 Fuel Pump. 9421 - 9499 Manifolds, Clamps.Oct 12, 2017 · Original list number stamped with current date code; No choke for unobstructed airflow on 500 cfm outboard carbs; Remote choke for easy hook up original vehicle on 350 cfm center carb; Factory style metal throttle linkage; All OE vacuum hook-ups; 100-percent wet-flow tested by Holley technicians to assure it arrives ready to run 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.

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. I'm not much on Corvette info, perhaps there's some other explanation of the carb. For instance, a Holley was used in 1971 on the 330 HP 350 cid engine, lesser engines got the Q-jet.Jan 31, 2013 · DaleM Discussion starter. 15631 posts · Joined 1998. #1 · Jan 31, 2013. Ran across a 3916143-CT Holley (supposed to be a 67 carb number) but has date code of 3092. From everything I've read Holley dates through 1972 are 3 digits and 73 and later are 4-digits. So what's with a 3092 date? 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.The carburetor is correct as far as the 3874898 and the list 3139 stampings, but the date code, or at least what I think is the date code is stamped very lightly as "122". ... From 1965 through 1972 Holley used the 3 digit date code where the first digit was the year, the second digit was the month, and the third digit was the week.9.5" POWER VALVE ASSEMBLY WITH GASKET FORD 2100 2150 4100 MOTORCRAFT AUTOLITE. $9.99. Trending at $19.98. Find many great new & used options and get the best deals for Holley 4bbl Carburetor Ford D9te 9510 BKA List 8346 at the best online prices at eBay! Free shipping for many products!

HOLLEY 3418-1 with 711 date code. Jump to Latest Follow ... I FOUND A HOLLEY #3886091 list#3418-1 with 711 date code.Is this an assembly line carburetor ?..THANK YOU..... Save Share. Like. Sort by Oldest first Oldest first Newest first Most reactions. Administrator jsvette.

3540 posts · Joined 2004. #6 · Feb 8, 2005. The 3310 was manufactured in July 68, but it is definitely not a "universal" model. The GM part number indicates it is a GM part made by Holley to GM specs. In this case, it is a service replacement carb for a Z16. See page 143 of Alan Colvin's "Chevrolet by the Numbers 1965-69".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.One of the most common questions is their list numbers or date codes. Let’s answer, what are the 440 Six Pack carb numbers? The following are the 440 Six Pack …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...Holley Performance Products is an automotive performance company based in Bowling Green, Kentucky.It was founded in 1896 in Bradford, Pennsylvania, by George Holley and Earl Holley.When the company was based in Michigan it was a major producer of carburetors for many Detroit-built automobiles.. Later they manufactured carburetors for both street and racing applications such as the Holley ...This carburetor was made by Holley , The Holley Brothers Company was started in 1905 in Detroit Michigan then became the Holley Carburetor Co . ... This carburetor has a part number of R3837 LIST 3837 and used on 66-67 Chevy 3/8 tube in base . Check here for specific Muscle car Info: Referenced by ; Holley R3837 or LIST 3837 This Site Designed ...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.Holley 2300 Identification – Where to find the Holley LIST number. The LIST number is used to match the correct carburetor parts. There are a several carburetor kits for the Holley 2300, so it is important to find the carburetor number and matching the carburetor number with one of our kits will insure you get the correct carburetor …

I have a 71 LT-1. As you guys know, it came with a holley carb. List #4801. I was recently made aware that there are 3 numbers stamped on the side. 1)GM part number. 2)Holley List number. 3)Date code (3 or 4 digit) The question i have is the date code, can anyone shed light on the date code. The differences between the 3 digit/4 digit.

Step 2. Locate the Holley model number. After determining the carburetor is a Holley, look for the code numbers, usually located on the side of the air horn. The Holley model number is present along with the auto maker part number, if factory-issued, a date and application code. Locate the lone four-digit code.

2702 posts · Joined 2009. #2 · Feb 23, 2012. carb date 0502. according to "holley carb date code". 050 is feb. 2= 1962,, 1972. 1982, 1992. This is an older thread, you may not receive a response, and could be reviving an old thread. Please consider creating a new thread.identify these newer carburetors. The 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 eitherFind many great new & used options and get the best deals for Holley List 7985 4 BBL 4160 Carburetor Date Code 2269 at the best online prices at eBay! Free shipping for many products!1967 Holley 3916143 CT Stamping Date code "742" (2nd week of April, 1967) 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)Jan 14, 2024 ... Welcome to our latest video, where we'll guide you through the process of identifying a Holley carburetor even when the model numbers are ...Holley Carburetor List 3418-1 Corvette 1969 L-88. $ 799.00. Restored Holley List 3418-1 for 1969 L-88 Corvette. This carb will be back in stock soon, please contact for completion date and date code. Out of stock. SKU: HOL-3418-1 Category: Carburetors-Restored. Description. Real original GM Holley carburetor. Correct Holley part number 4053 'DZ'. Date code is 942, second week April 1969. Exact fit for all Camaro small block Z/28 models. Would maybe need a rebuild before using. 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. You get the picture I'm sure. The 4 digit date codes started coming in around 1973.The reputation of carbohydrates greatly mirrors a Game of Thrones character: first they’re good, then they’re evil, then they’re vindicated, then they’re the devil. Let’s sort out ...Find many great new & used options and get the best deals for Holley 750 CFM Carburetor List 3310-2 Date Code 0939 at the best online prices at eBay! Free shipping for many products! ... Holley 750 CFM Carburetor List 3310-2 Date Code 0939. 4.2 10 product ratings. tinmanparts (218) 100% positive feedback; Price: $28.00The 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 .Oct 25, 2013 · 1967 Holley 3916143 CT Stamping Date code "742" (2nd week of April, 1967) 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)

Have a holley with the below numbers on the choke horn: Original GM carb: List-4053 8A1: 3923289-DZ. Did a search on this: 1968 Jan 68. Looked like it could have been on a 396 375 hp car also?? Came off a running car 6 months ago. Looks like super rare opional painted Vacuum and main body edition.Vintage HOLLEY CARBURETOR CARB List 7455 Date code 0548. Loft carb box 1 carb 5 Vintage HOLLEY CARBURETOR CARB List 7455 Date code 0548. Loft carb box 1 carb 5 Skip to main content. Shop by category. Shop by category. Enter your search keyword. Advanced: Daily Deals; Brand Outlet; Gift Cards ...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!Instagram:https://instagram. kaiser in dublincraigslist jobs new orleans lacub cadet zero turn won't startmiles to chattanooga tennessee Once you get into Holley science, the carburetor is easy to understand, build, and tune. There are two basic types of Holley four-barrel carburetors—the 4150 and 4160—easily identified at ...This two-day-a-week diet plan sounds a lot easier than full-time calorie-counting: Just avoid eating carbs those two days and eat what you normally do the rest of the time. A recen... freelance news hollister cajim's auto salvage sebring florida Holley 3923288 List 4053 date code 942. I have been cleaning out my garage a little at a time. I'm up (or down) top my inventory of Holley carburetors. Among the many that I have is this one that has the following information on the choke horn: 3923288-DZ List 4053 942 Primary metering block #5583 with 68 jets in it and secondary metering block ... illinois plate replacement 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.Find many great new & used options and get the best deals for HOLLEY Double Pumper 4BBL CARB R84024-1 Date Code 1693 650 CFM Parts or Rebuild at the best online prices at eBay! Free shipping for many products!