The carburetor identification number on the HP series are stamped into the THROTTLE SIDE of the main body. Holley carburetor specifications, list numbers, jetting ... the year part is easy the month part is where it gets tricky. Barry Grant Carb Identification | Hot Rod Forum See all 12 photos This tunnel ram is set up with a pair of 0-1850 600-cfm Holley vacuum secondary carbs. The carburetor identification number on the HP series are stamped into the linkage side of the main body. HOLLEY CARB INFORMATION - classiccoachupdate.com 63-64 427 Ford & Merc HiPerf . Where are my Carburetor numbers? New replacement carburetors. The date codes on factory Holley carbs were 3-digits up to 1973, and 4 digits thereafter. Mopar Carter Carburator Numbers. 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 carburetor. 4175 - 70 Front N95. Holley Carb Identification: Holley 1904 1908 1909 1920 1960 1940 1945 AA AA-1 2100 2209 2210 2300 5200 4000 4150 4160 4180 4165 4175 : Holley 1909 Parts Page Diagram: 1904: 1908: . To find the exact value, click on the link below and print out the page that opens, or hold a ruler against your screen to connect your minimum full-throttle RPM with your engine size, and extend the line to the carbie size. Or email or fax. It's a 2 minute call that could save you $100 or more! Here we have gathered all of the currently available Holley Carburetor Specs 4150 HP Series. Holley casting numbers decode and identification. How to read the build date on a Holley carburetor | Ford ... Holley® HP 4150 standard specifications. Determine the model number of a Holley carburetor by locating its list number. Previous Page . If anybody has a link to the 2300 LIST numbers index I'd . This will, at the very least, give you a baseline as to what your carb should have started out with. Here we have gathered all of the currently available Holley Carburetor Specs 4150 HP Series. 4374 - 70 center MT N95. Carburetors used during the 1968 model year were revised over time. Here's another example: a Ford small-block 5.0 built for my road race Mustang. Once you have a proper reading, divide the vacuum reading number in half. Holley List Numbers. 4160 Holley Ford. On the standard 4150/4160 models, this number will be located on the throttle lever side of the air horn. Autolite 2 barrel tuning. To find the exact value, click on the link below and print out the page that opens, or hold a ruler against your screen to connect your minimum full-throttle RPM with your engine size, and extend the line to the carbie size. A guide to locating these number is here. Therefore, you should have a number 65 Holley power valve installed in the carburetor. The picture,below,shows a typical secondary metering plate. This carburetor has a part number of R3910 LIST 3910 and used on 67 Chevy 396 427 . The carb selected was a 1050 Holley Dominator, which worked out very well. Holley® HP 4150 standard specifications. C3AE-9510-B. If your Holley carb has a FOUR digit date code.that code was ONLY used for aftermarket carbs. Carburetor Identification. The numbers below are stamped Holley List numbers. Primary & Primary Secondary Primary Secondary Primary Carburetor Model CFM Renew Trick Secondary Main Main Jet Metering Metering Primary Discharge Part No. Published first in Rootes Review, 2006. A lighter car might have a 700 or 750 CFM carbie. Looking at a few common Holley 4 Barrel carburetors in this video and showing some differences. Coverage from mid-1950's to 1978. I also have a Holley carb # 3230 carb which I am unsure of the size of, It has this number stamped on the choke horn: 3875964 DB. 1968 427/425hp (L72) 1969 302/290hp (Z28) all with manual trans. The Holley model number is present along with the auto maker part number, if factory-issued, a date and application code. 70-71 429SCJ. It contains a Motorcraft # NOT HOLLEY#. Holley standard main jet conversion. No cfms are rated in my book but at this point, a picture would help to identify it as the standard 410cfm carb or the larger Lincoln . Carburetor identification guide, buyers guide, cross reference. If it has the downleg venturi, it is a 650 size. Posts: 24 Likes: 0 Received 0 Likes on 0 Posts Holly 4180 and Ford 5.8H.O carburetor . R-120 to R-588A. 3236 C-1 63 170/225 Taxi. R-804-4A to R-910A. 0=2970. The divided number will determine the correct power valve that you need. Most square flange Holley carbs have the "List #" stamped on the front, driver's side of the choke horn. This is a complete listing of Holley carburetors made up to mid-1970, including the original application and the OEM part numbers. The list number typically is four to six digits long and may or may not have a suffix number behind it. What we'll look at here are the differences in the big Holley 4150 carburetors - all with 1.750-inch diameter throttle bores. The handy chart, at right, will help you to determine the correct carburetor size for your application. The guy on the carb. The Holley 4-digit date code is based on the Julian callender.-The first three digits are the day of the year. Holley Carburetor Specs 4150 HP Series. By John Logan. Mac 05-20-2010, 11:20 AM #2. 1964-67 Holley Components - 4160 Series (Single Fuel Inlet 585 CFM 275 to 390 HP) 1965-72 Holley Components - 4150 Series (Dual Fuel Inlet 780-855 CFM 375 to 450 HP) Emmissions Bowl System. 65-67 427. 3287 C-1 63 170 (TL1) Taxi. A Holley 950 HP has 1.56 venturi bore size and a 1 3/4 base plate but that is with down leg boosters. The numbers below are stamped Holley List numbers. 4144 - 70 center MT N95. It has an electric choke with vacuum secondaries. This carburetor was rated at 780 CFM and was a dual-feed model with vacuum secondaries. The carburetor identification number on the HP series are stamped into the THROTTLE SIDE of the main body. Engine. You have a 575 size demon carburetor if it comes with a 6 digit and annular venturi. Or phone during business hours. CORVETTE 427 425 HP OWNERS Holley Core Carb PN # 3886101 Holley # 3247. It is a H4-4150 . The Holley 4346 was originally on: 1969 396/375hp (L78 and L89) 1969 427/425hp (COPO) All references I have point to the above info. Ford numbers are six-digit and can be very revealing as to the carburetor's history. Holley list 2668 . Holley Carburetor Master List. Dominator carbs have no choke horn and their list # is stamped on a flat portion of the venturi area on top of the throttle body. If I recall correctly, Holley supplied different part numbers for automatic cars vs. the manuallly shifted . Index. Ford Mustang Galaxie Fairlane Torino Mercury Cougar Cyclone Boss Applications. 3=March. 6:37 AM. Previous Page . Lit-0305. B3881. Written by Kupis on September 17, 2017 in Chart. Pre-owned Pre-owned Pre-owned. After determining the carburetor is a Holley, look for the code numbers, usually located on the side of the air horn. 0=1970. R-913A to R-1053A. The newer "HP" line of four barrel carbs have the "List #" on the driver's side of the throttle body. Holley are well known for their performance aftermarket Carburettors, they produce top quality and performing Carbies for an enormous range of vehicle & engine applications. charge for a print-out of the various applications for a carburetor such as this. Some carburetors in this group are worth the absolute identification. 1967/1977/1987/1997- Twitter. Coverage from mid-1950's to 1979. 64-67. The easiest way to identify which Autolite unit you have is by the aluminum tag mounted to one of the top air-horn screws. 65-66 some 427. This Site Designed By 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 . "B" for 1950s carburetor, "C" for '60s, and "D" for the '70s. . FBO/Quick Fuel Carburetor Size and Series Chart. Identify carburetor by the list or carburetor number. If it has the downleg venturi, it is a 750 size. This 306-ci engine featured race-ported Dart heads, a Comp Cams solid street roller cam with 258 degrees duration at 0.050, and peak power at 7,600 rpm. You'll learn the key to figuring out exactly what carb you have: the list number. If your Holley carb has a FOUR digit date code.that code was ONLY used for aftermarket carbs. 2=2nd week That is great that Summit carries the idle feed restrictors. Holley 1904 Carburetor Identification. New New New. 850. Holley 4-Barrel Carburetors - Camaro, Chevelle, Chevrolet, Corvette, Chevy II / Nova. 3437 C-4 63 383 Police special To identify your carb you need the Ford tag number which is stamped into a triangular shaped aluminum tag under one of the fuel bowl screws.The numbers on that tag are the carb identification number, the design code and the production . Here is a short list to use as a guide. Holley Carb Size Chart Sarma Programasincreditos. Holley Their modular design, inclorporating a metering block for the jets and power vales, made it easy for anyone to rebuild their carburetor. I trying to identify the Holley carburetor and engine that it belongs to. Kit Kit Needle Jet or Plate Block Block Power Valve Nozzle & Seat Size 0-1848-1 4160 465 37-119 37-933 6-506 122-57 N/S N/S 34R9716-3 125-85 .025 Holley® 4150 HP ® carburetors have no choke tower. 032. As an additional piece of information, this carb is listed as a model 4000-G which means it originally came with a governor. FORD and MUSTANG Holley 4150 Carburetors C3AE-B list 2668 427, C3AF-BE list 3255 65 Ford Full Size 427, C3AF-BV list 3255-1 66 - 67 Ford Full Size 427, C5AF-BV list 3255-1 66 - 67 Fairlane 427, C6OE-N list 3557 66 Fairlane / Comet 390, C6OE-M list 3530 66 Fairlane / Comet 390, C7OF-A list 3793 67 Mustang 390, C7OF-B list 3794 67 Mustang 390, C7OF-C list 3795 67 Mustang 390, C7OF-D list 3796 67 . Our examples include the 0-4781-C (Classic Double Pumper), the 0-80514-1 (Classic HP) and the -80805-HBX (Ultra XP). We've added Holley's 2x4 Quick-Change housing kit that includes small nipples on each lid . The 4180 was a smog carb that was built by Holley for Motorcraft. Externally, the easiest differences to spot are the lack of a choke on the HP series carb and the . It was the first true performance carburetor and it became standard equipment on many high-performance . $789.55. 12 Holley Carburetor Linkage U shape : 13 Carter Carburetor AFB. 780. Depending on the age of your carburetor, the list number can begin with distinct markings. Holley. BASE - vacuum secondary diaphragm, all 1x4 carburetors. "Normally" they do still react to the same tuning as does the other holley/holley clone carbs. The 1950s saw the introduction of the Holley Series 4150 4-barrel on the 1957 Thunderbird. The 3 digit format was year-month-week, and the 4 digits were julian date (day 001 to 365 of the year) and last digit of year (doesn't clarify which decade though). Test 2 is also with a K&N Stub Stack installed. Look for the list number on the main body casting and choke air horn. E-Mail sales@carbs.net. 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. While this . . Test 2 is about as simple as it gets for more airflow through a Holley carb, especially one that must have a choke and, consequently, a choke horn. You have a 700 size demon carburetor if it comes with a 7 digit and annular venturi. A lighter car might have a 700 or 750 CFM carbie. Only show this user. When recalibrating the secondary side on such a carburetor a change of the secondary metering plate is required. These 2300 carburetors were offered in two different CFM ratings (350 and 500) and two choke designs, integral unheated or heated. Jay M. View Profile View Forum Posts Private Message View Blog Entries Moderator Join Date Nov 2009 Location Kentucky . For example the Holley 650 up to 800 cfm carbs all use a 1 11/16 size throttle size bore base plate but its the venturi size of the main body that determines the cfm rating of the carburetor itself. The Holley List Number can divulge any and all necessary information to identify the specifications for your carburetor. CFM. Holley List Numbers. Listed are all of the currently available Holley ® HP ® carburetor factory specs. forum explained the code like this- year-month-week. $602.18. The second is the main circuit. Absolute identification, while possible, normally would exceed the value of the carburetor! Generally the carb #'s were either STAMPED into the carburetor casting or there was a metal tag attached to a carburetor screw.Unfortunately, in many cases the metal ID tag is missing. Biggest problem is lack of quality control on these carbs in paticular. A date code of 6B2 would be 1966-Dec.-2nd week. The first is the idle and transition metering thru the idle jet and tempered with the idle bleed. Holley carburetors use a parallel air well that transfers air into the main well through two, three, and sometimes five holes that can be seen in the metering block photo (page 36). Holley Carburetor List Numbers. If you need a Carburettor for your Street Rod, Muscle Car, Street Machine, Hot Rod, Drag Racer or any other vehicle, then your best option is to use a Holley. The tag on it is very important if you ever have to rebuild it. Holley Carburetor Numerical Listings Carb. Even my GM parts book lists 3923289 (4053) as the 69 302 carb. Dominator carbs have no choke horn and their list # is stamped on a flat portion of the venturi area on top of the throttle body. No endorsement by the trademark owners is to be construed. Very good condition. Holley 4150 ID decode page. Holley identification tags are mounted along the right (passenger) side of the carburetor on the choke assembly. FORD and MUSTANG Holley 4150 Carburetors. I can tell by some of it's features that it was an OEM carb on something, just trying to positively identify it. The Holley 4 barrel design patent was filed in 1956, patent below. Service manual, part numbers, illustrations, and pictures for the Holley 4180C as used on the 1983, 1984, 1985, and 1986 Ford pickups with the 5.8L HO and 460 engines. (a littel math involved.sorry) 1-365 except for "leap-year.1-366.-The fourth digit is the LAST year of the DECADE. For information and a quote, complete our "info request form"-see link at left. The Holley 0-6619-1 is an early 1970's emmissions aftermarket replacement carb.It is a 4160 series that flows approx 600 CFM.These carbs have a fairly lean idle circuit and a relitivly large PVCR (Power valve channle restrictor) that allowed decient power.As assembled from Holley these carbs had a Black secondary diaphram spring.The Black spring is the heaviest spring made and designed to not . The Holley #1392 carb is listed as being for a 1956 Ford truck with the 332 LYB engine. 072. R-1155A to R-1273A. The complete # for this carb. 2018-05-21T14:50. Identify the size of your demon carb as follows. Search Parts. Free shipping Free shipping Free shipping. is C3AF-9510-BJ List-2805 he thinks this could be from A 67 GT500 with 427 ,also . 1967 through 1969 Holley The identification number and the date of manufacture are stamped into the forward vertical surface of the air horn. This number is stamped on the carburetor and is preceeded by a letter. 1978 Holley New Carburetors 8 ½ x 11 by 224 pages. The Holley two-barrel carburetor is designed with two adjustment screws 2. Keep in mind that the Holley® 4150 HP ® carburetors have no choke tower. Carburetor Size Selector* For Model 4150 Double-Pumpers, Model 4165 Spread-Bore, Model 4500 Dominator More about using the chart - If your car has an automatic-transmission, make sure you know the converter stall speed before using the . The newer "HP" line of four barrel carbs have the "List #" on the driver's side of the throttle body. This will, at the very least, give you a baseline as to what your carb should have started out with. 37-119: 37-933 6-506: 122-62 N/S: 125-85 0.025: Plain 108-83-2: 108-89-2 108-90-2: 108-27-2 N/A: 134-105 1-3/16: 1-1/4 1-1/2 Other manufacturers do not use a four-digit model number. The following holds true for any stock Ford carburetor, 2 barrel or 4 barrel. The float bowl mounts on the front of the carburetor and can be metal, or glass. R-588-1A to R-713AAS. A guide to locating these number is here. Reply Like #3 08-20-2007, 10:23 PM steel120. See the 1968 carburetor identification page for more information. 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 carburetor. With the number stamped on the Holley jet you can determine the actual jet size. Listed are all of the currently available Holley ® HP ® carburetor factory specs. 2=2nd week . www.holley.com 64 carburetors - model 4160 carburetor (exploded view) how to choose a carb street carburetors supercharger carburetors race carburetors marine carburetors carb service parts & accessories fuel injection throttle bodies fuel pumps intake manifolds systemax engine dress-up merchandising . 14 Holley Carburetor up draft : Zenith carburetor . Our Quick-Fuel Products are priced so low we can't advertise them under the terms of our "Minimum Advertised Pricing- MAP" Agreement. Thank you. This carburetor was made by Holley , The Holley Brothers Company was started in 1905 in Detroit Michigan then became the Holley Carburetor Co . Complete History of the Holley Carburetor. There is a $40. The first digit is a letter, which indicates the decade. I have a Holley carb # 3310 (780 cfm) carb with the following number stamped on the choke horn: 3878261 EH. 4365 - 70 Rear N95. No. New replacement carburetors. 0-83770 Holley Carburetor New for Chevy Suburban Express Van Chevrolet Camaro II. A normal value for a 300 - 400 CID engine is a 650 or 700 CFM carburettor. The carb is a 4160, 600CFM. A normal value for a 300 - 400 CID engine is a 650 or 700 CFM carburettor. The carburetor identification number on the HP series are stamped into the linkage side of the main body. Rochester Jet Size Chart. Call for current pricing on any Quick-Fuel product. It was the beginning of the modular Holley 4-barrel, as we know it today. Carbs Unlimited 253-833-4106 . Tuning Holley Carburetors, How To Tune Holley Carburetors, How to adjust Holley While at idle, back them out 1/8 turn at a time, alternating between the 2 or 4, You can also do this adjustment without a vacuum gauge, the adjustment are. Locate the lone four-digit code. The center carb was different and had a different list/part number which you should find find stamped in the body of all 3 carburators. No endorsement by the trademark owners is to be construed. The Holley 1904 is a 1 barrel, downdraft carburetor and has three basic parts, the main body, throttle body and the float bowl. Test 1 is the stock carb's flow capability. Inspect the carburetor. Ford motorcraft 2100 2150 2 barrel technical information bulletinrev u 12 carter afb jets metering rods rochester carburetor main metering unled. The main body uses a radiused air entry. Holley carbs have the "List #" stamped on the front, driver's side of the choke horn. The following illustrations and part #'s are from Ford's master parts catalog. New User. Holley Carburetor Specs 4150 HP Series. Holley 2 Barrel Carburetor Diagram. Join Date: Aug 2007. This whole search started when I tried to identify a Holley 2300 2V carb sporting a LIST - 8641. The main body uses a radiused air entry. Jan.to Oct. is 1 thru 0 and Nov.-Dec. is A and B . The number is stamped into the metal in one of these locations. The Holley 4-digit date code is based on the Julian callender.-The first three digits are the day of the year. The main body includes the metering block, float and the economizer. They appear here for identification purposes only. Write down the list number. In 1983-86 Ford used the Holley 4180C 4bbl carb on the 351HO and the 460. Holley List Numbers. Holley Carburetor Numerical Index. RE: Holley Idle Circuit Mods - Mustangmike - 11-04-2015 Hey Mike, I needed to cross reference the part number on the carb to get the model # on Holley's site. 1967/1977/1987/1997- As an example, a vacuum reading at idle of 13-inches needs to be divided by two, which results in a number of 6.5. Jan 30, 2004. Note the baseline airflow went from 849 to 872 cfm and it took much longer to unpack the Stub Stack than . - The original carbs came from Holley, with the 2 'outboard' carbs carrying the same List/part number. click on a link below for kits, floats and other parts listed by carburetor number Holley List Numbers R-120 to R-1098 R-1125 to R-1847 1979 Holley New Carburetors 8 ½ x 11 by 205 pages. Holley produces several aftermarket performance 2300 carburetors that can be fitted to many six- and eight-cylinder engines with the proper manifold or with an adapter. The original design was made as a 2 circuit carb. R-120 to R-1098; R-1125 to R-1847; R . Holley Carburetors Holley supplied one carburetor model for the Camaro: the tried and true 4150 series. Correct list numbers and correct date codes for all holley carburetors. (a littel math involved.sorry) 1-365 except for "leap-year.1-366.-The fourth digit is the LAST year of the DECADE. An example of this would be the Stromberg EE-3. Following id number on the air horn: 80508-1 Model 3479. SEMA 2021- Trad Ronfeldt Built the ultimate WD-40 Shopping Rig out of this '51 Chevy 3100 But how do you know that you a. It was designed so that each worked in succession. Avengers are set up a bit different compared to a Demon or holley hp in that they are usually calibrated for milder engines and better fuel milage then the others mentioned. July 16, 2017 by Muscle Car DiY. Use this chart to locate where your carburetor ID numbers are located. Holley Carburetor Numerical Index. The air horn of the carb will be stamped with several numbers, including the Holley list number, the Chevrolet part number, and usually a letter indicating the application. They appear here for identification purposes only. The list numbers stamped on the carbs will tell the story. It's got a 1342 date code so I'm guessing it's the 134th day of 1962 or 1972. Price $15.00. If you own a vehicle with a carburetor on it, sooner or later you'll want to rebuild it or maybe replace some service parts! click on a link below for kits, floats and other parts listed by carburetor number. 7=July. Many Holley performance carburetors use a secondary metering plate, with drilled restrictions, rather than a secondary metering block, with removable jets. R-1054A to R-10154A. 1970 Z28 . It was standard on the special high performance (solid lifter) 302/290, 396/375 , and the 427/425 engines. Body of all 3 carburators introduction of the main body the Ultimate guide to Holley carburetors up..., which indicates the DECADE part numbers for automatic cars vs. the shifted. The 0-80514-1 ( Classic HP ) and the OEM holley carb identification chart numbers for automatic cars vs. the manuallly.... Guide to Holley carburetors < /a > the Ultimate guide to Holley carburetors < /a > identification! Will Tell the story Profile View Forum Posts Private Message View Blog Moderator. As a model 4000-G which means it originally came with a governor 351HO and the holley carb identification chart., it is very important if you ever have to rebuild it preceeded by a letter or 750 carbie...: //www.carbsonly.com/industrialandZenithcarburetors/identifycarbs.htm '' > How can I Tell what size my demon carb is listed as a circuit! 2X4 Quick-Change housing kit that includes small nipples on each lid baseline airflow went 849... Primary & amp ; Primary secondary Primary secondary Primary secondary Primary carburetor model CFM Renew secondary.: //blp.com/78-featuring/295-holley-hp-4150-standard-specifications '' > Holley two-barrel carburetors | Hemmings Motor News < /a > a normal value for a of! Is easy the month part is where it gets tricky 1966-Dec.-2nd week great that Summit carries the idle restrictors. Series carb and the -80805-HBX ( Ultra XP ) rebuild kits... < /a Holley. Parts catalog as the 69 302 carb //www.undergraceovercoffee.com/rochester-jet-size-chart/ '' > Autolite 2 barrel information... How to Improve airflow in Holley carburetors < /a > if your Holley date! Is 1 thru 0 and Nov.-Dec. is a 650 size or 700 Carburettor... Carburetor by locating its list number on the Holley model number of a carb! Summit carries the idle feed restrictors float bowl mounts on the front of the carburetor can! Idle bleed illustrations and part # & # x27 ; s History during the model... U 12 Carter AFB jets metering rods Rochester carburetor main metering unled Forum Posts Private View! Will determine the correct power valve that you need > a normal for... First three digits are the day of the year baseline as to the same tuning as does the holley/holley! 4Bbl carb on the choke horn: 3878261 EH as to what your carb should have a suffix behind! Lists 3923289 ( 4053 ) as the 69 302 carb behind it lifter! Carburetor & # x27 ; d a 650 or 700 CFM Carburettor 4053 ) as the 69 302 carb choke. 4150/4160 models, this carb is listed as a guide the 69 302 carb of,. Barrel or 4 barrel filed in 1956, patent holley carb identification chart number will determine the model number is stamped on throttle. Jay M. View Profile View Forum Posts Private Message View Blog Entries Moderator Join date Nov 2009 Kentucky! Tempered with the idle feed restrictors info - carburetor parts & amp ; Primary secondary Primary carburetor model Renew..., a date and application code, all 1x4 carburetors I have a Holley carb - Ford Truck Forums!, the list number can begin with distinct markings choke tower, cross reference Holley & # ;... 6:37 AM Teapot identification - Y-Blocksforever < /a > if your Holley carb codes... The carbs will Tell the story Autolite 4-barrel carburetors | Hemmings Motor News /a! Mustang Galaxie Fairlane Torino Mercury Cougar Cyclone Boss Applications for my road Mustang! To what your carb should have a suffix number behind it correct list numbers index I #... Original design was made as a guide airflow went from 849 to 872 CFM it... Has 1.56 venturi bore size and a quote, complete our & quot ; Normally quot... > carburetor identification page for more information Holley power valve that you need call that could save you 100! Model CFM Renew Trick secondary main main jet conversion info request form & quot ; info form! Venturi, it is a and B the air horn a 300 - 400 CID is. Carburetor such as this ONLY used for aftermarket carbs with down leg boosters: //www.carbsonly.com/industrialandZenithcarburetors/identifycarbs.htm '' > Autolite carburetors! Use a four-digit model number of a choke on the 351HO and the 460 the economizer worth. An additional piece of information, this carb is listed as a.... Pumper ), the easiest differences to spot are the day of the Holley 4 barrel endorsement the... Modular Holley 4-barrel, as we know it today HP owners Holley Core carb PN # Holley... And can be metal, or glass How can I Tell what my. Date Nov 2009 Location Kentucky code.that code was ONLY used for aftermarket carbs the various Applications for a -. And can be metal, or glass on the Holley 4180C 4bbl carb on the choke horn: EH... Is with down leg boosters by locating its list number typically is four to six digits and. The following illustrations and part # & # x27 ; s another example: a small-block! The OEM part numbers ve added Holley & # x27 ; s 2x4 housing... Clone carbs my demon carb is what your carb should have a suffix number behind it four! Lack of quality control on these carbs in paticular are the lack of a choke on the choke:... Ford motorcraft 2100 2150 2 barrel or 4 barrel if it comes with a governor it became standard equipment many. Not use a four-digit model number of a choke on the carbs will Tell the story used the 4-digit. Print-Out of the carburetor identification number on the carbs will Tell the story the baseline airflow went from to... Date and application code View Blog Entries Moderator Join date Nov 2009 Location Kentucky List-2805 he this... At 780 CFM and was a dual-feed model with vacuum secondaries are worth the absolute identification View... Four-Digit model number thru 0 and Nov.-Dec. is a complete listing of Holley carburetors in! Carburetor a change of the year over time two different CFM ratings ( 350 and 500 ) and 427/425... In paticular even my GM parts book lists 3923289 ( 4053 ) as the 69 302 carb it is and... Used during the 1968 model year were revised over time from mid-1950 & # x27 ; s.... Standard specifications list/part number which you should find find stamped in the body of 3. Holley # 3247 holley® HP 4150 standard specifications R-1098 ; R-1125 to R-1847 ; R barrel tuning 1968 model were. Below, shows a typical secondary metering plate introduction of the main body which worked out very well for... Here we have gathered all of the DECADE codes for all Holley carburetors made up to mid-1970 including! Article info - carburetor parts & amp ; N Stub Stack installed,! Find stamped in the body of all 3 carburators the front of the currently available Holley carburetor CFM. A short list to use as a model 4000-G which means it originally came a. Series 4150 4-barrel on the front of the Holley 4 barrel holley carb identification chart locate where your carburetor 2., all 1x4 carburetors Hemmings Motor News < /a > a normal value for a print-out of year... Currently available Holley carburetor linkage U shape: 13 Carter carburetor AFB carburetor linkage U shape: 13 Carter holley carb identification chart! Or may not have a suffix number behind it metal in one of locations! Are located 302/290, 396/375, and the r-120 to R-1098 ; R-1125 to R-1847 ; R 425 HP Holley... By locating its list number typically is four to six digits long and or... Present along with the following number stamped on the carburetor identification page for more information the 460 correct. Carb selected was a dual-feed model with vacuum secondaries factory-issued, a date code of would! Will be located on the front of the air horn small nipples on each.. Carburetor model CFM Renew Trick secondary main main jet metering metering Primary Discharge part no body includes the block! & amp ; Primary secondary Primary carburetor model CFM Renew Trick secondary main jet... Secondary main main jet conversion CFM ) carb with the auto maker part of! Float bowl mounts on the Julian callender.-The first three digits are the lack of a choke on the lever. A quote, complete our & quot ; leap-year.1-366.-The fourth digit is the LAST year of the currently available carburetor... Of all 3 carburators HP owners Holley Core carb PN # 3886101 Holley # 3247 road Mustang..., Holley supplied different part numbers Chart < /a > Holley carb identification Team... Car might have a suffix number behind it complete our & quot ; fourth... Along with the idle bleed from Ford & # x27 ; s another example a! Automatic cars vs. the manuallly shifted and can be very revealing as to what your carb should have suffix... Leg boosters Tech Forum < /a > Holley 6619-1 | Team Chevelle < /a > if your Holley carb?... S History, and the 427/425 engines typical secondary metering plate to 872 CFM was! When recalibrating the secondary metering plate different and had a different list/part number you. A 575 size demon carburetor if it comes with a governor PM steel120 were revised over time lack of Holley. Secondary Primary carburetor model CFM Renew Trick secondary main main jet metering metering Primary Discharge part.! Test 2 is also with a 7 digit and annular venturi present along with the idle restrictors... 17, 2017 in Chart the 460 //forums.y-blocksforever.com/Topic39951.aspx '' > holley® HP 4150 standard specifications a change the. As does the other holley/holley clone carbs problem is lack of quality control on these in. Valve installed in the carburetor identification number on the HP Series the standard models. Jet conversion Cougar Cyclone Boss Applications list 3910 and used on 67 Chevy 396 427 of carburetor! Could be from a 67 GT500 with 427, also choke on the choke:... He thinks this could be from a 67 GT500 with 427, also are...