Holley carb date codes

Bill Tichenor. 358 Posts. An Article About. Carburetor Installation and Tuning. Video. carburetor overview. video. A complete overview and explanation of the components and operation of the Holley 4150 vacuum secondary carburetor.

There seems to be a protein stand-in for nearly every type of carby vehicle you can think of. I am not on a no-carb, or even low-carb diet, but I am on a eat-as-much-protein-as-I-c...Find Holley Carburetor Numerical Listing Guide and get Free Shipping on Orders Over $109 at Summit Racing! The Holley Carburetor Numerical Listing Guide contains a complete list of all Holley carburetors, including automotive, farm, industrial, and marine, along with their corresponding repair kits. The listing consists of over 3,500 applications covering vehicles from 1957 to the present.The 0-4412 is designed as a stock replacement for 2BBL street applications as well as being mandated for some oval track racing sanctioning bodies. Whether you are looking for a replacement carburetor to replace your tired and worn factory 2BBL or one to push you to the finish line on Saturday night, the Holley 0-4412 Performance 2BBL is the perfect choice. The 0-4412 is easily the winningest ...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 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 0-4790 is the 500 CFM "Outboard" Six Pack Carburetor that Originally came on 1970-71 Chrysler 340 CID Engine Applications with an Automatic Transmission ...

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 List-4698. $90.00 ...There is only 1 item left in stock. Holley C9AF-M, 4150 Series ORIGINAL Carburetor as used on 1969 428 Cobra Jet equipped Mustang, Cougar, Torino and 1969/1970 Shelby GT500 with 4-Speed transmission. Correct C9AF-9510-M Stamping, Request date codes . Brand New RESTORED Carburetor, ready to run.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...Carbs include sugar, starch, and fiber. Some disorders affect how your body uses these nutrients, causing health problems. Learn more. Metabolism is the process your body uses to m...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 R3918 LIST 3918 and used on 67-69 Chrysler 440 . Check here for specific Muscle car Info: Referenced by ; Holley R3918 or LIST 3918 ...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...So who knows if your carb is correct for the applications you say it is it could possibly go for a lots of $ considering it's just a 40 yr old holley 4 barrel carb for rbld/resto. Scott. SCOTT. 1969 CHEVELLE SS396,ORIGINAL #'S MATCH,GOT IN 1978, (In 2001 rblt/bored original 396 .030 to 402)/M20/12BOLT/3:31'S.

The 3923289-DZ is the GM part number. The List 4053 is the Holley number and the 902 is the date code. The Holley List 4053 carburetor was used by GM on all 1968 Chevrolet models with the L78 396/375HP and L72 427/425HP engines. It was also used on 1968-1969 Z/28 Camaros with the 302 engine. The 902 date decodes as the 2nd week of October, 1969 ...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. ... I also have a Holley carb with numbers on the choke tower 3959164-GE List-4346 date ...Find Throttle Cable Brackets Holley Carburetor Manufacturer (application) and get Free Shipping on Orders Over $109 at Summit Racing! ... Estimated Ship Date: Monday 4/29/2024. BUILD IT WITH SUMMIT! ... Throttle Cable Brackets, Billet Aluminum, Black Anodized, Carburetor Base Mount, Lokar Style Cable, Model 4500 Series, Each. Part Number: HLY ...Dates are a great choice for a person with diabetes as they can help control sugar cravings, and they are low on the glycemic index, according to NBC News. The carbohydrates in dat...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 …

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With a 5/8" open-end wrench turn the adjusting nut clockwise to lower the float level. Conversely, turn the adjusting nut counter-clockwise to raise the float level. Tighten the lock screw. Restart the vehicle and let the engine idle stabilize. Shut the engine off. Remove the sight plug to reinspect the fuel level.Jun 29, 2022 · 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. In the case of the cross ram 4 cyls connect to one carb with a balance passage in between the plenums. What you need to do is start with a basic adjustment of each carb as follows: Set each idle speed screw about 1-1.5 turns from throttle blades lightly seated. Set each idle mixture screw about 2 turns out.Aug 6, 2013 ... Norm walks you though how to properly adjust the secondary circuit on a Holley 4 Barrel Carburetor. Vacuum Secondaries or Mechanical ...

We would like to show you a description here but the site won't allow us.Holley Carb Date Codes / Vehicle Build dates. Jump to Latest Follow 6K views 1 reply 2 participants last post by FOXBROSRACING Feb 21, 2013. L. Lakeview Discussion starter 2 posts · Joined 2013 Add to quote; Only show this user #1 · Feb 21, 2013. I am trying to find a ...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 …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 ...the bottom number of the three is the date code, if after 1972 it would be four digits - prior to that it was usually three numbers (in cases of Nov and Dec the last character was an A or B). I simply can't tell what is stamped on there as the date code, although I agree it looks to be four digits. by the way, here is a handy Holley date code ...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.Find Throttle Cable Brackets Holley Carburetor Manufacturer (application) and get Free Shipping on Orders Over $109 at Summit Racing! ... Estimated Ship Date: Monday 4/29/2024. BUILD IT WITH SUMMIT! ... Throttle Cable Brackets, Billet Aluminum, Black Anodized, Carburetor Base Mount, Lokar Style Cable, Model 4500 Series, Each. Part Number: HLY ...There seems to be a protein stand-in for nearly every type of carby vehicle you can think of. I am not on a no-carb, or even low-carb diet, but I am on a eat-as-much-protein-as-I-c...Toyota Pickup 20R 22R Weber Carburetor Conversion Kit Manual Choke Kit. $349.00. Trending at $384.95. Find many great new & used options and get the best deals for 3923289 DZ 1968 Holley 4053 OEM Carb Date Code 813 Blocks F-5583 R-4519 at the best online prices at eBay! Free shipping for many products!

Find many great new & used options and get the best deals for 1968 HOLLEY CARBURETOR LIST #3795-1 C80-F 9510-C 783 DATE CODE 621 FORD 390 CI at the best online prices at eBay! Free shipping for many products! ... item 8 Holley Carb List 4742 R4742,1966 1967 1968 Ford 390 0749 Holley Carb List 4742 R4742,1966 1967 1968 Ford 390 0749. $200.00 ...

It gets about $200 for straightening out a carb like this one. Alternatively, Summit Racing sells a brand-new descendent of this carb for as low as $307.95 (PN 0 …May 19, 2014 · 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. Air & Fuel Delivery/. Carburetor Components. Carburetor Parts And Components. Holley offers a wide variety of replacement and performance enhancing components for your Carburetor. From replacement fuel bowls to power valves and jets and everything thing in between.Holley Carb decode. ... Holley 4150 type 780CFM Jets - F=70 ~ R=82 Vacuum Secondaries Best "WAG" - is it's a 1970 Ford/Merc. BB application (390/429) maybe even a HiPo unit. ... Rebuilding tranys for 20 years with over 50 Muncies to select from. If your looking for a certian date code I should be able to help. :beers: Save Share. Carb Number Carb Model Number CFM Renew Kit. Trick Kit: Needle & Seat Primary Main Jet Secondary Main Jet or plate Primary Metering Block Secondary Metering Block Home / Support / Carburetor Rebuild Component Selector. Carburetor list with kits: here (PDF) Enter your carburetor list number below. Carburetor Selector. Engine: Your …Carburetor. 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. ... 1938 - Date Code . Rochester Carburetors; Part Number: Carb Model: Year: Engine: Horse-power: Trans ...I have found two of them. One is list 3310 with the original 1965 Chevy part # 3878261-EH though the date code says it's a 1969 replacement for the '65 SS 396/375hp. The other one is list 3310-1 with no other codes. Both are 4150's, 780 cfm, down leg boosters, vacuum secondary's and have been unmolested. They have identical tuning and match ...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)

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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.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.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?. If I am reading the dates right they both are from 1969, Thanks! GregMeaning 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.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.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.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 ...Street Avenger carburetors are known to bolt on right out of the box and have great features such as a quick change vacuum secondary for easy fine tuning; optimized street calibrations; four vacuum ports for all necessary vacuum accessories; factory preset electric choke for easy start ups; built-in fuel filters; and an included fuel line kit so there are no unnecessary trips back to the parts ...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! ….

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.These units showed up on thousands of Slant-Six Mopar vehicles, but they are a temperamental, leak-prone carburetor that I avoid.Loading...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 ...Jan 18, 2020 ... 1965 is indeed the date code. It was made on the 196th day of the year. It was made in a year ending in 5. Hard to say it it was 65, 75, 85, ... 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. 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.LOCATING THE LIST NUMBER: 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.On the air horn is a date code also. if it has the corect date code then it is a Z-28 carb, but if it's date after 1969 then it's a replacement carb. I have seen carbs with the DZ letters with date codes into the 70's. ... I have what i believe is a holley carburetor part number 4053 with a possible GM number of 3923289-DZ. Every book and part ...Technical Information. Tech Service: (502) 781-9741. Holley Carburetor Numerical Listings. Carb. Primary & Primary Secondary Primary Secondary Primary Carburetor Model CFM Renew Trick Secondary Main Main Jet Metering Metering Primary Discharge Part No. No. Kit Kit Needle Jet or Plate Block Block Power Valve Nozzle & Seat Size. 0-84781 4150 850 ... Holley carb date codes, 1957 Ford Thunderbird Holley 4160 Carburetor *Remanufactured. SKU: 43-236N. $749.95. Core. Core Deposit ($350.00) Out of Stock., A hot rod staple for over four decades! Dual feed fuel inlets assure you get all the fuel you need while its vacuum secondaries and manual choke make it amazingly universal. Plus, its classic Gold Dichromate finish provides serious muscle car looks and durability. The famed 0-3310 is one of the ten original inductees into the Hot Rod Magazine Speed Parts Hall of Fame! It was originally ..., 1966 Chevy 396 360hp Holley Carb List 3140-1 Date Code 593. About this product. About this product. Product Identifiers. Brand. Holley. Manufacturer Part Number. 31401. eBay Product ID (ePID) ... Carburetor-VIN: Q Holley 0-80457S. 4.8 out of 5 stars based on 198 product ratings (198) $387.95 New;, 8408 = Holley spec number 1710 = Date code That is a Holley model 4160. VERY common; any parts store would have or be able to get a kit. Holleys don't have a good rep when it comes to re-using old parts (gaskets etc). Suspect is a Ford "service replacement" as neither the Ford or Holley numbers show an OEM application., Fresh to date technology with the right old school look. This is the only version Holley carburetor double pumper carb ever to be installed by Chevrolet from the factory. Tested and guaranteed, ready to rock! Camaro 427 ZL-1 L88 COPO Holley 850 cfm carburetor, original GM part# 3955205 list #4296. This carburetor also fits 1969 427 L-88 Corvette., C1 & C2 Corvettes - Help with carb build date - I have a Holley carburetor that came in a box with my 67 coupe 327/350 which has a Holley Street Avenger on it now. ... The original production carb had a 3-digit date code; "0616" is a service replacement made the 61st day of 1976. Reply Like 09-20-2004, 01:33 PM ..., 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 , Carb Number Carb Model Number CFM Renew Kit. Trick Kit: Needle & Seat Primary Main Jet Secondary Main Jet or plate Primary Metering Block Secondary Metering Block, Original Holley DZ carb dated 874 or 4th week July 1968 for a late 68 or early 69Z. I had gotten this several years ago and it was in pieces missing, some choke items and the 5583 primary block it does have the original 4519 secondary block and I have found a NOS 5583 block and bought the missing choke pieces. this will need rebuilding but better to be restored as the new block does not match ..., Toyota Pickup 20R 22R Weber Carburetor Conversion Kit Manual Choke Kit. $349.00. Trending at $384.95. Find many great new & used options and get the best deals for 3923289 DZ 1968 Holley 4053 OEM Carb Date Code 813 Blocks F-5583 R-4519 at the best online prices at eBay! Free shipping for many products!, 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 ..., Have a Holley 4555 carb date code 051 off of my 70 LT1 vette that no longer has the original block so this carb needs to go to someone that needs it for a restoration. Carb has all its original parts such as the metering blocks, fuel bowels ect. All moving parts move freely, it has been sitting along time so it will need a kit. $750 includes ..., 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., The model # XXXXX my carb;carter AFB is 3461S. This # XXXXX XXXXX in all documentation books as the correct # XXXXX a 1963 Corvette, 327/340hp motor. My question has to do with the date code. The right front of my carb. has 3461S and right below this is BA3. The books say A3 is the date, A means January, the #3 means 1963., LOCATING THE LIST NUMBER: 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., 34 PICT-3 Carburetor w/ Gasket 12V Electric For VW Beetle 113129031K 34PICT3. $50.00. Trending at $63.00. Find many great new & used options and get the best deals for GM Chevrolet 4bbl Holley L-8149 Carburetor Date Code 018 at the best online prices at eBay! Free shipping for many products!, 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:, montgomg Discussion starter. 25 posts · Joined 2009. #1 · Nov 22, 2009. Recently bought a 69 Z28. It is a 9E (69 build). Has original engine. 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 …, That #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., The intake accepts Holley two-barrel carbs with "v" bowls (that's the cool cathedral style fuel bowl that was the hot setup in the Sixties). These carbs can have a maximum throttle bore size of 1.50-inches. The carb setup is based upon a 325 CFM Holley carb in the middle, flanked by a pair of 350 CFM carburetors., Needle & Seat Primary Main Jet Secondary Main Jet or plate Primary Metering Block Secondary Metering Block Power Valve Pump Nozzle Size, Primary Secondary, Most 64's should be 2818 and most 65s 2818-1. The different date codes are a factory carb, 3 digit, or replacement, 4 digit. The 3 digit is year, month, week: 302= 63 Oct second week. The four digit is julian date, year. 2828= 282d day of a year that ends in 8. Reply Like. 04-05-2010, 09:40 PM., Place the new carburetor flange gasket, provided with the carburetor, in the proper position on the intake manifold. Place the carburetor on top of the flange gasket on the manifold. Install the hold down nuts and snug down progressively in a "crisscross" pattern (60-80 in./lbs.), as shown in Figure 5. Figure 5., Holley Carburetor: List# 3367= This is the correct list number for a 1966 327ci 350hp engine. Date Code: 1590 Correct replacement carb for a 350HP 327 built June 8th the 159 day in 1980. Part Number: 3884505 - DA Ink Stamp: 47050 . I rebuilt the carburetor in December of 2013 using 68 primary jets,, Holley Carb Date Code. « on: April 11, 2016, 04:07:25 PM » What would be the date code on Nov or Dec 1968 holley carb? Tweet Logged. 69 Zee. Hero Member. …, 16 posts · Joined 2010. #1 · Jan 8, 2013. I am looking for the rebuild kit for a Holley List #3259 carb (date code 593). Does anyone know which kit number this is? Any suggestions for where I can get the rebuild kit? My research shows that this is the same carb used on the GT-350's. I bought this carb 20 years ago to put on my '65 A-code ..., Get the best Holley Performance Carburetor products at the right price. Order online or pickup at your local AutoZone store. ... 20% off orders over $100* + Free Ground Shipping** Eligible Ship-To-Home Items Only. Use Code: AZSPRING24. Menu. 20% off orders over $100* + Free Ground Shipping** Eligible Ship-To-Home Items Only. Use Code ..., 1957 Ford Thunderbird Holley 4160 Carburetor *Remanufactured. SKU: 43-236N. $749.95. Core. Core Deposit ($350.00) Out of Stock., Find many great new & used options and get the best deals for Holley 4777 Carburetor Date Code 212 Used with Electric Choke at the best online prices at eBay! Free shipping for many products!, 1969 Holley 4346 Carburetor 780 CFM, for 396 and 427 with GM # 3959164. 780 cfm delivers the needed fuel to give optimum response to your Chevy Big Block Camaro. Features original GM part number 3959164 Holley list number 4346. ... No date code stamping, so you can add whatever you like, if you choose; Exact size, shape, and details; Made in ..., 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 would ..., Holley Carb for 1968-69 Chevrolet Camaro Z28 or a Chevrolet Chevelle, 396, 427. ... No Date code Stamped, Fuel Inlets for Original list number Carb's for a highly collectible cars. __ Goes on to say : "R4346AAS Carb..this carb. was made by Holley, The Holley Bro's Company was started in 1905 in detroit, MI. then became The Holley …, Bill Tichenor. 358 Posts. An Article About. Carburetor Installation and Tuning. Video. carburetor overview. video. A complete overview and explanation of the components and operation of the Holley 4150 vacuum secondary carburetor.