Holley carb date codes - Carburetors built for performance! The Carburetor is the foundation of our expansive line of fuel system components! Whether you're looking for a 4 Barrel Double Pumper, Vacuum Secondary, Dominator, or 2 Barrel racing carburetor, we have a solution for you! From NASCAR To Your Car, NHRA to boats, Holley carburetors build power and perform out …

 
The carb build date codes were the same as the previous two years used on the #3447 carb ears and tags. Most of the production line #3705 carb tags did not have a stamped date code on them, so don't worry if your #3705 carb tags aren't date coded. ... Once they got the Holley carbs working even better than the #3861 Carter the new #3116 Holley .... Les schwab stanwood

C3 General - Holley carb. 1850-4 - I have Holley 1850-4 carb fitted to my 1980 with #3394 stamped under the 1850-4. I have googled Holley 1850-4 and came up with type 4160. ... I believe the 3394 is a date code. The Holley page vadmkat provided should help you decode that part. Cheers, Pete Reply Like 06-01-2008, 05:29 AM ...Ford Carb Identification: Ford Motorcraft Autolite 740 1100 2100 2150 4100 4300 4350: Full Size View 1100 1101 1250 Parts Page Diagram: Full Size View 2100 2150 Parts Page 2100 Diagram 2100 Late Diagram 2150 Diagram: Full Size View 740 Parts Page Diagram: Full Size View 2700 7200 Parts Page Diagram: Full Size View ...<p>Holley Carburetor 3139-1 4 bbl 3874898 ER Date Code 1903. Came from a local estate. untested. Linkages move freely. Comes as seen in the photos. Selling for parts or repair as will need rebuilt. Free shipping to the lower 48 states only. </p><br /><br /><p>tote 14 </p>C3 General - Holley carb date of manufacture - I have just purchased a used Holley carb, list# 1850-3, date code 0069. Does anybody know how to tell if this carb was manufactured on Jan. 6, 1969, 1979, 1989, 1999, or 2009? (I'm kinda being a wise-ass here, I'm pretty sure the carb was not made in 1969) I can't find...The Holley 4-digit date code is based on the Julian callender. 1-365 except for "leap-year...1-366. The fourth digit is the LAST year of the DECADE. "If you think you can do a thing or think you can't do a thing…you're right." Sorry rocherman, I have factory ford carbs with 4 digit date codes.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 . 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!The HP Ultra is an expensive carburetor, so Holley introduced a much more affordable Street HP 750 in the bright finish in either vacuum-secondary (PN 0-82750) or double-pumper (PN 0-82751 ...The HP Ultra is an expensive carburetor, so Holley introduced a much more affordable Street HP 750 in the bright finish in either vacuum-secondary (PN 0-82750) or double-pumper (PN 0-82751 ...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 1850-5 and used on 600 CFM . Check here for specific Muscle car Info: Referenced by ; Holley 1850-5 ...4478 posts · Joined 2000. #2 · Apr 6, 2009. 3 digits are common Jeff as my 1969 Holley 4346 has a date code of 924 which represents (9)1969, (2)February, (4)4th week. To be honest I don't know if the 1965 carbs were coded the same as the 1969's. One might think it could be a 1970 carb from the fourth week of May (if you followed the same ...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 eitherContains the latest V3 touch screen firmware. 3.5 in. Touchscreen Firmware - V4. Contains latest V4 firmware and installation instructions for the 553-108 3.5" Touch Screen. 3.5 in. Touchscreen Firmware - V5. Holley EFI V5 Firmware update for 3.5" TSLCD. 3.5 in. Touchscreen LCD User Manual.4 active coupon codes for Holley in May 2024. Save with Holley.com discount codes. Get 30% off, 50% off, $25 off, free shipping and cash back rewards at Holley.com.Tri-power carbs sets- We have collected there for years:::: Fully remanufactured for show and go with Warrranty -Many dated sets. 683,691,683, set 721,722,721 etc. dated sets call ---858-864-2883. Visit our NEW WEBSITE !!! Fully updated with online ordering !!!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 ... Original list number stamped with current date code; No choke for unobstructed airflow on 500 ...HIGH PERFORMANCE CARBURETOR INSTALLATION AND ADJUSTMENT INSTRUCTIONS NOTE: ... Holley mechanical fuel pumps are recommended and will produce a 50% increase over 9 out of 10 stock factory pumps. Use of a Holley electric fuel pump at the rear of the car next to the fuel tank will help ... Revision Date: 5-6-13 . Author: Wendy Fleming Created Date:Holley 4 Barrel Carburetor! Date Code: 613! Factory for 1966 Fords! Mustang, T-Bird, Galaxie, Fairlane! U.S. Only. Make Sure This Is the Carb. Holley 4 Barrel Carburetor! ... Read more about the seller notes "Vintage Holley! Date Code 1966! Storage Find! A Little Dirty and Dusty! Missing Choke Assembly, and Possible Other Parts!Holley LIST 50265. Holley Part number:LIST 50265. Holley Date Code: 1575 May 1985. Holley Date Code: 1575 May 1985 per the experts. Ford Holley. Very nice used Holley carburetor that was removed from a 1985 Mustang GT 5.0.Holley still offers original list number carburetors for highly collectible muscle cars. Over time these carburetors have been nearly impossible to find, but no longer. These are NEW nearly exact reproductions of the originals. List Number 0-4792 is the 350 CFM "Center" Six Pack Carburetor that Originally came on 1970-71 Chrysler 340 CID Engine Applications with an Automatic Transmission ...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 ...The HP Ultra is an expensive carburetor, so Holley introduced a much more affordable Street HP 750 in the bright finish in either vacuum-secondary (PN 0-82750) or double-pumper (PN 0-82751 ...1957 Ford Thunderbird Holley 4160 Carburetor *Remanufactured. SKU: 43-236N. $749.95. Core. Core Deposit ($350.00) Out of Stock.For sale is an original Holley four barrel carb list number # 3139-1 from a big block 60's Chevelle or Impala SS engine, date code 793, everything moves freely, it will need restored, $275 as...Hi, I am looking at a 3367 holley carb with a date of 042 I am confused I would think it would have started with a 5 or 6 or 7 ... 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). ...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 four digit holley date was used on service replacement carbs.Carburetor: Most of the earlier carburetors were built by Carter and had an identifier tag attached to a cover bolt. This tag had the part number and date code. On Holley carbs, the List Number is stamped on the drivers side air horn in front along with either a 3 digit or 4 digit date code.ment carburetors. Holley re-issued the 3259 in the 1980s, owing to a demand from Shelby owners restoring their cars. There are a number of ways to 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 ...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.Find many great new & used options and get the best deals for Holley Carburetor List 3113 C4AF9510-EH Date Code 465 Ford at the best online prices at eBay! Free shipping for many products!C3 General - Holley carb date of manufacture - I have just purchased a used Holley carb, list# 1850-3, date code 0069. Does anybody know how to tell if this carb was manufactured on Jan. 6, 1969, 1979, 1989, 1999, or 2009? (I'm kinda being a wise-ass here, I'm pretty sure the carb was not made in 1969) I can't find...Footage taken from Holley Carburetor Installation & Tuning DVD ... Carburetor Installation and Tuning carburetor tuning and ... Bradley Iger. 05/02/2024. tech. LS Fest LS Fest West 2024 LS Fest West. LS Fest West 2024: Dyno Challenge. 05/01/2024. Events. Join the Holley Family. Stay up to date with the latest releases, events, promotions and ...Holley Carburetors. Filter by Availability Filter Results Filter by Vehicle Individual Parts. Part Groups. Results 1 - 25 of 162 ... Estimated Ship Date: Today. Free Shipping; Holley 4150 Street HP Carburetors 0-82751.Hey guys I'm looking for an original Carb for my 69 Z/28. This is model 4053 dz someone is selling on at e-bay however the date code is 281. I thought the dates went by year/month/week. Can anyone tell me where I can find the info on Holley date codes? Also I believe my car was made in August of 69 what date on the carb would be appropriate?C1 & C2 Corvettes - Help with Holley carb date code - I have a 4160 style carb that came in a box when I bought my '66, 300HP, non-AIR, small block coupe last year that was alleged to be the original carb. I compared the info on the air horn to the data in the NCRS judging guide and everything checks out, except I...C1 & C2 Corvettes - 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...Mar 25, 2010 ... Holley Motorcraft Carb Identification. Jump ... Have Holley Carb, guy I got it from said it was ... Just picked up a Holley 80457-1/date code 3276.9.5" 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 List 1272 Carburetor Date Code ECZY 4150 Series at the best online prices at eBay! Free shipping for many products!Apr 17, 2009 · 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. Odd numbers - Manual Transmission DG Production Code. 193 8 Rochester produced carburetor Date Code 193 = 193 rd Day of the year 193 8 8 = Year 1968Other A 8 o MMCarter Produced carburetor Date Codes A= Jan B= Feb C= March ... is much better than a Holley or Eddy and when I turn the key it starts, runs and cruises nicely .Cruise-In VI Veteran. 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?.072. 0=2970. 7=July. 2=2nd week . 1970 Z28 . 032. 0=1970. 3=March. 2=2nd weekI am sorry. I missed the date in the first post. I think about $300-400 in the condition it is now in. $500-700 for it in restored condition. Dependent on what the market will pay. A late 65 -- very rare. A 66 -- not as rare but still expensive. A 67 3 digit date will bring about the same as a 4 digit date service replacement in my opinion.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 1850-4 and used on 600 CFM . Check here for specific Muscle car Info: Referenced by ; Holley 1850-4 ...The List 2818 is the Holley number and the 302 is the date code. The Holley List 2818 carburetor was used by GM on 1964 Corvettes with the 327/365HP engine. The 302 date decodes as the 2nd week of October, 1963. That's right, this is a real deal production line installed carburetor! This carb is in good original condition as shown. 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. 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.Find many great new & used options and get the best deals for Holley MOTORCRAFT Ford Eshe 9510-ec List 50260-2 Date Code 1436 Carb Carburetor at the best online prices at eBay! Free shipping for many products! ... item 3 Ford Motorcraft C90F R 600 CFM Holley Carburetor List-4698 Ford Motorcraft C90F R 600 CFM Holley Carburetor …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 ... 2300-EG Diagram. 2380-EG Diagram. Holley 5200 5210 5220 6500 6510 6520. Parts Page. Diagram. Holley 2280 6280. Parts Page. Diagram. Holley 4150 4160 4165 4175 4180 4190. It has a date code of 054 (4th week of May 1970). The choke plate is missing and some linkages are missing. We suggest putting a rebuild kit in the carb. This carburetor will also work for many other applications including full size Chevrolets, Camaros, Nova Chevy II's, Chevelles, and others. "Keep Your GM Car All GM!"1150 cfm 429 boss carb, date code 041, missing choke plates other wise free and complete, needs rebuild, OBO. Marketplace. Browse all. Your account. Create new listing. Filters. Dearing, Kansas · Within 621 miles. Categories ... Holley carb. $700 $800 ...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 shippingDate codes and part numbers for 6-Barrel/Six-Pack applications. The carbs all have "list numbers" and date codes stamped on them. The date codes are 4 digits. The first three are for the day and the forth is the year. The "list numbers" for 1969½ carbs are as follows: Front outboard carb 4-speed and auto - List - 4393Date 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 ...Sled fulcrums, valve sizes, and that carb were straight Chevy knock-offs that worked better on the 429/460/515's and 302's351/400's than they did on the 396's and 427/454's and 509's 3310=common Holley replacement carb. -1 indicates a revised carb, the date code is circa 1983.Find many great new & used options and get the best deals for 1970 Corvette Lt1 Camaro Z28 Holley Carburetor 3972123 List 4489 Date Code 061 at the best online prices at eBay! Free shipping for many products!Can somebody explain to me how the date code works on a 1964 Holley carb for a 327365 HP ? Thanks, Matt. 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.Footage taken from Holley Carburetor Installation & Tuning DVD ... Carburetor Installation and Tuning carburetor tuning and ... Bradley Iger. 05/02/2024. tech. LS Fest LS Fest West 2024 LS Fest West. LS Fest West 2024: Dyno Challenge. 05/01/2024. Events. Join the Holley Family. Stay up to date with the latest releases, events, promotions and ...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 ...Topic: Holley date codes: Fastymz Moderator . Posts: 20708 ... Registered: Apr 2001: posted 06-14-2004 03:21 PM Does anyone know how to read Holleys date codes on the carbs ?-----SCOOP. oddly obsessed with big scoops on little Mustangs. 65 coupe,351w,C4,Big Boss 429 hood scoop,8" 3.40 TracLoc. My Pics. IP: Logged. R&J MOTORSPORTS Journeyman ...Hi All, Searching for info on the Holley carb for my 66 Chevelle 396/360. Quick backstory - bought new by my husband (passed in 2005), stolen in '72, recovered stripped a month later,rebuilt then with a '63 327 Corvette engine and still is. ... Here is a pic of my original unrestored Holley carb. Date code is '624" which decodes as 6=1966, 2 ...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. ... 1969 Camaro Z/28 Holley Carburetor DZ 4053, Original GM Original Used 3923289 Real original GM Holley carburetor. Correct Holley part number 4053 "DZ". Date code is 942 ...Ford and Mustang Holley 4150 carburetor. Holley casting numbers decode and identification. Correct list numbers and correct date codes for all holley ...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 …Carbohydrates, or carbs, are naturally found in certain foods. For example, grains, sweets, starches, legumes and dairy all contain different amounts of carbs. Get up to speed on t...Jun 26, 2023 · Carb Date Numbers. The Six Pack Holley 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 3649 from a 1970 carb indicates the 364th day of the year (December 24th). The date code says January 23, 1998 (this carb was only introduced six years ago); the current versions have a bright zinc finish. Good all-around replacement ...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 isLoading...Carburetor Reference Guide - MyMopar. 1963-1974 Carburetor Reference Guide. Carburetor Number. Carburetor Type. Application. 1963. 3236. C-1. 170 / 225 Taxi.Find many great new & used options and get the best deals for Holley List 9834 Carburetor W/ Date Code - 1817 at the best online prices at eBay! Free shipping for many products!Carbohydrates or “carbs” get a lot of attention these days and it’s no secret that carbs can affect your blood sugar (blood glucose). You might be wondering if you should eat less ...20% OFF $125+ use code: GROW20 Online, Ship to Home Only. See Details. FREE SHIPPING on most orders of $35+ & FREE PICKUP IN STORE. ... Holley carburetors have powered every NASCAR(R) Sprint(R) Cup team and nearly every NHRA(R) Pro-Stock champion for four decades. Now, Holley EFI is dominating the performance world as well as our products for ...Holley Street Avenger 770 cfm Square Bore 4150 4BBL Carburetor - 0-83770. Part #: 0-83770. Line: HLY. Check Vehicle Fit. 90 Day Limited Warranty. Carburetor Type: 4150. CFM Rating: 770 cfm.ment carburetors. Holley re-issued the 3259 in the 1980s, owing to a demand from Shelby owners restoring their cars. There are a number of ways to 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 ...Find many great new & used options and get the best deals for Holley L-7455 450 CFM Quadrajet Carburetor Date Code 0117 at the best online prices at eBay! Free shipping for many products!Holley List #9188. Carburator is NOS, like new condition. Never bolted to an engine as far as I know. Holley Mfg Date Code 2350. Designed for Chevrolet 396 CID / 425HP. Holley List #9188. Carburator is NOS, like new condition. ... Holley Carburetors for 750, Holley Carburetors for 600, Holley Carburetors for 850; Additional site navigation ...General Q & A - holley 750 marine carb # R84018 Date code 2048 - (# R84018 Date code 2048 ) Is a this junk carb?? Does not look like a standard holley. We rebuild mine and still have problems. It pops and backfires in the mid-range. Vacum at idle is only 10-15 psi. Is vacum a problem? Is the power valve the problem?All Holley power valves are stamped on the side or, as in this case, the metal reinforcement near the center. You can see an "8" and a "5" making this an 8.5"Hg power valve. The stamps on the top are date codes. The range for standard Holley valves is from 2.5 to 10.5 "Hg (inches of Mercury).Carbohydrates, or carbs, are naturally found in certain foods. For example, grains, sweets, starches, legumes and dairy all contain different amounts of carbs. Get up to speed on t...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? 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 …First off the carb is a Holley 780 cfm could someone help de-code the numbers a little further? 3959164-GE List 4346 952 I have many more questions regarding this car that I will post. The fuel line size, rectangular port heads and the fact the car was Oct-Nov 69 build date. But let's start with the carburetor. thanks! 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. Carburetor 2 Barrel for Ford 2150 W/Climate Choke For Many V8 Engines 302 351 US. $103.99. Trending at $106.99. Find many great new & used options and get the best deals for 1979 Ford Truck Holley List 8343 Carburetor Date Code 0029 at the best online prices at eBay! Free shipping for many products!Holley Carburetor Identification Codes. ENGINE . HPC1 & C2 Corvettes - 3247 Date Code Decipher Help - Could someone help me decipher the date code of the 3247 Holley which is installed on my ... 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:For Holley carburetors, the two most common model numbers used in both auto and truck applications come the 4150 and 4160. Step 3: Now cross-check the model number with a Holley carburetor listing. Once you have found the Holley model number on the carburetor, it is time to now cross-check this model number with an existing Holley listing.

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 .... Harry hines party supplies

holley carb date codes

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.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.One of the most trusted carburetors of all times -the 1850! Its 600 CFM of airflow, vacuum secondaries, single fuel inlet and mechanical choke makes it amazingly universal. The 1850C has a Gold Dichromate finish for corrosion protection and classic Holley looks. Don't trust your performance to just anyone, Holley is the only modular carburetor company …Apr 2, 2014 · 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. Logic seems to indicate that the 19th would be the 3rd week of December using Sunday as the first day of a week in the count. Thanks! Steve Date codesCarburetor holley identifying 2300 forums Holley list 3310-1 date 0743Holley date code codes carbs ing good who translates 346th. Holley carb code date chart dating autolite ford offlineHolley reverse reversing idle Holley pump investigation mapping thorough questions list transfer calibration camsPit stop: holley carb …C8OF AA List 4174 Carb. Original Ford Holley 4 Barrel carburetor. C8OF-9510-AA List 4174 834. 1968 1/2 428 Cobra Jet Mustangs, Cougars and 1968 Shelby GT-500KR 4 speed. 834 date code, breaks down as the 4th week of March, 1968. Metering blocks are stamped 5673 and 5671. Still retains the original tag mounted to the bowl vent tube, not the choke ...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 four digit holley date was used on service replacement carbs.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 H4-4150 . This carburetor has a part number of R4296 LIST 4296 and used on 850 CFM . Check here for specific Muscle car Info. Referenced by ; Holley R4296 or LIST 4296.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. So you should look for the lone four-digit code.The part number and date code of this original Holley carburetor is 3659 954, dated the 4th week of May 1969. There have been no alterations or modifications, and there are no cracks or repairs. ... Carburetor Repair Kit Holley 37-485. $52.73. Trending at $57.99. Carburetor Replace for Volkswagen 34 PICT-3 98-1289-B 113129031K 1600cc. $51.99.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!Find many great new & used options and get the best deals for Holley 4118-S Ford 4 Barrel Carburetor - Date Code 1283 at the best online prices at eBay! Free shipping for many products!https://www.holley.com/products/fuel_systems/carburetor_components/rebuild_kits/ Are you looking for a rebuild kit, parts, or specifications for your...The guy on the carb. forum explained the code like this- year-month-week. the year part is easy the month part is where it gets tricky. Jan.to Oct. is 1 thru 0 and Nov.-Dec. is A and B . A date code of 6B2 would be 1966-Dec.-2nd week. The complete # for this carb. is C3AF-9510-BJ List-2805 he thinks this could be from A 67 GT500 with 427 ,also ...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!1702 posts · Joined 2006. #1 · Feb 28, 2009. Have a guy trying to sell me an original Holley DZ carb but I'm not sure the date code is correct. Here are all the numbers on the choke horn: 3923289-DZ. LIST-4053. 0523. Correct or service replacement? '74 with roller 454, TH400 3K stall and Ferd 9 w/ 4.20s"..

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