Holley carb identification chart

Technical Information. Tech Service: (502) 781-9741. Holley Carburetor Numerical Listings. Carb. Primary & Primary Secondary Primary Secondary Primary Carburetor Model CFM …

Holley Replacement Carburetors are engineering to improve performance and keep you emission legal. The 0-6210 is a Model 4165™ Spread Bore designed to fit several applications. See application chart below in tech resources for specific details.Holley Carburetors 4 digit Numeric date codes. This sample casting number from a 1970 carburetor with date code 0995 . 09 9 5. Day of the year . 099 = 99th day of the year . 1 to 365 099 5. Year . 5 =5th year. 1975, 1985 or 1995 : More then likely this carburetor was built on the 99th day of 1975 .In Stock. Holley offers a variety of replacement and upgrade metering block and plates for your Holley Carburetor.Weber Carburetor Adjustments. Edelbrock Owners Manual. Service Bulletins Bulletins on all type of vehicles From NHTSA.GOV. TECH LINES. Holley tech line (270) 781-9741. Carter tech line 1-800-325-8886. Edelbrock tech line 1-800-416-8628. Weber tech line 1-800-733-2277 ext.7457. Demon tech line (706) 864-4712.Holley recommends the No. 1 position for idle speeds below 900 rpm and suggests moving to the No. 2 position for engines that idle above 900 to 1,000 rpm. Here’s a simple tip that can save tons of effort. Make sure the accelerator pump linkage moves the arm to the diaphragm as soon as the throttle is moved.4150 HP and 4500 DOMINATOR HP. CARBURETOR LIST NO. R7320-1. IDLE BLEED. INTERMEDIATE BLEED. HIGH SPEED. 28. CARBURETOR LIST NO. R7320-1.The number 5 designates an emission carburetor from California. The digit following the number 2 (or 5), will indicate the type of GM car it was originally installed. A 4 would mean it is for a Buick, a 5 …All Holley marine carburetors are developed to meet the U.S. Coast Guard's stringent specifications. Each has a special marine carburetor fuel-metering system calibrated specifically for the unique engine loads found on watercraft and J-style vent tubes to direct fuel and fumes back into the carburetor for safe operation in rough waters.

On this ID page you will be able to visually verify that you have selected the correct carburetor for your application and then place your order or call 1.800.250.8746. Our staff will verify you have ordered the correct marine carburetor from the carburetor information you fill out in the ordering process. All carburetors have a complete one ...Oct 27, 2023 · The Holley 4-barrel carburetor is one of the most famous pieces of speed equipment ever built. With an unbroken production run spanning more than six decades, this iconic design stretches through the vast majority of hot rodding’s entire history. It’s a legacy that includes all facets of custom cars, racing, and rodding. CARBURETOR PART NUMBER IS ON AIR HORN FLANGE 155 126 154 100 136 101 165 70 3 31 128 144 187 138 151 4 148 115 119 172 173 148 137 186 52—0 132—9 51 123 145 129 88 111 ... HOLLEY CARBURETION MODEL 4150 for Variable Parts Letter ILLUS.NO. 34-1 (CONTINUED) Refer to Numerical Listing Section Part Number or Reference Section 49R-425 50R-2The 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.For a correct carb date, you need to look for 3 digit that start with a 5. So if your car's birthday for instance March 2nd, 1965 then you want a carb dated 531 (5=1965, 3=March, & 1=1st week) or earlier. If you are concerned with NCRS then you look for something up to 6 month earlier than the build date is normally acceptable. Reply Like.Spring Cleaning Sale. Clearance. Home/. Air & Fuel Delivery. Air & Fuel Delivery. Holley is the source for your Air & Fuel delivery upgrades! From Carburetors to the latest in EFI Fuel Injection Systems and Fuel Pumps. We have your products from air cleaners to fuel tanks and everything in between.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 4779 and used on 750 CFM Double Pumper . Check here for specific Muscle car Info. Referenced by ; Holley 4779.Holley list 3310-1 date 0743Holley power valve chart Carburetor holley identifying 2300 forumsWho's good at id-ing holley carbs?. Holley catalog by holley performanceCarb dating: autolite and holley Numbers holley part list cfm parts listing copo nastyz28Holley catalog by holley performance. Check Details. Pit stop: holley carb identification ...

Holley offers a variety of replacement and upgrade metering block and plates for your Holley CarburetorPlacing the engine in gear will produce a slightly lower vacuum gauge reading. This is normal because a load has been applied to the engine. Place the transmission back into Park and allow the idle rpm to stabilize. The engine should now idle at the desired idle speed with the highest manifold vacuum.You can consult one of Holley’s carb selection charts. Based on 100-percent VE, if the chart indicates that the best size is, for example, 700 cfm, if the engine has around 85-percent VE. So, in theory, a better choice for that engine might be a carb size of 600 cfm.Here are the steps for calibrating the idle mixture: Progressively turn the idle-mixture screws in. Start with a quarter turn on each one and readjust the idle speed to an appropriate RPM. A big-cam engine needs a higher idle speed, which is usually about 1,000 rpm; a regular street cam needs about 600 rpm.Holley sells a new, 30cc metal pump arm, spring, bolt, and adjusting nut under PN 20-114 ($13.33 at Summit Racing). At some point in its life, the throttle lever came loose on the throttle shaft.

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Sort. Availability. In Stock. Categories. Marine. CFM. 450. Browse our Great selection of carburetors here at Quick Fuel Technology. Innovators in fuel systems. The Holley carburetor model 1904 is used on Ford standard and automatic transmission six cylinder passenger cars and six cylinder trucks beginning with the 1952 models. This carburetor has a venturi approximately 1 1/4" in diameter and a standard two bolt 1 1/4" mounting flange with a 1 7/16" throttle bore. The carburetor used in conjunction ...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 that has been in business for over 100 ...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.Oct 27, 2023 · The Holley 4-barrel carburetor is one of the most famous pieces of speed equipment ever built. With an unbroken production run spanning more than six decades, this iconic design stretches through the vast majority of hot rodding’s entire history. It’s a legacy that includes all facets of custom cars, racing, and rodding.

We have spoken about quite a few types of carburetors in previous installments of this column, such as Carter, Holley and Rochester.One carburetor, however, that we believe hasn't received its just due, is the Autolite or Motorcraft four-barrel.. Originally installed on the 312-cu.in. V-8 engines in 1957, the first-generation Autolite model was referred to as the 4100. Sort. Availability. In Stock. Categories. Marine. CFM. 450. Browse our Great selection of carburetors here at Quick Fuel Technology. Innovators in fuel systems. Carburetor Reference Sheet and Related Parts. 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 R4548 LIST 4548 and used on 65-68 Ford . Check here for specific Muscle car Info.DjD. 27013 posts · Joined 1999. #5 · Oct 21, 2002. 3310-1 is a 780cfm carb. It wasn't used in production by chevrolet in '69, I can't say for other years though. The 2 780's I am aware of are, the Z/28: List - 4053 DZ and the other was a List 4346 I believe... Both these carbs have a secondary power valve and the 4346 has a vent in the ...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 R1849 LIST 1849 and used on 57-64 Ford . Check here for specific Muscle car Info. Referenced by ; Holley R1849 or LIST 1849.The List number for a Model 2010, 2300, 4010, 4011, 4150, 4160, 4165, or 4175 carburetor can be found on the right side of choke air horn. The List number for the 4500 can be found on the top of the main body casting. Below the list number is a date code that will contain no more than four (4) digits. See Figures below.Street Avenger carburetors are known to bolt on right out of the box. The 350 CFM Street Avenger carburetor has great features such as optimized street calibrations; two vacuum ports for all necessary vacuum accessories; factory preset electric choke for easy startups; built-in fuel filters; and an included 3/8" fuel line connection so there are no unnecessary …For a correct carb date, you need to look for 3 digit that start with a 5. So if your car's birthday for instance March 2nd, 1965 then you want a carb dated 531 (5=1965, 3=March, & 1=1st week) or earlier. If you are concerned with NCRS then you look for something up to 6 month earlier than the build date is normally acceptable. Reply Like.Carburetor Reference Guide - MyMopar. 1963-1974 Carburetor Reference Guide. Carburetor Number. Carburetor Type. Application. 1963. 3236. C-1. 170 / 225 Taxi.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 of the box!

Learn how to identify Holley carburetors by list number, date code, and application. Find out where to look for service parts and rebuild kits for your vintage or modern Holley carb.

I have a 383 sbc I wrench on that only make 5" of vac @ idle in gear and the ifr's measure .034 w/a .062 air bleed,2 idle mix screws are out 1 turn from seated. This car drives around @ low speeds without surging or popping. Cam specs are 250/260 @ .050 w/a 106 lobe sep this will idle @ 600 out of gear if required.How To Identify Your Holley & Demon Carburetor. If you own a vehicle with a carburetor on it, sooner or later you’ll want to rebuild it or maybe replace some service …The Carburetor Doctor has a full line of Ford carburetor rebuild kits, floats, choke thermostats, parts and service manuals for 1, 2 and 4 barrels from 1957 onward. Ford began producing their own carburetors in 1957 with the 2100 and 4100 models. The 4100 is the 4 barrel version of the 2100. The first generation 2100 and 4100 were unique and ...Explanation of the identification and differences between a Holley 4250 and 4160 carburetors. author. Bill Tichenor. 358 Posts. An Article About. Carburetor Installation and Tuning. Video. Related Articles. Holley MoParty 2021 Mopar Plymouth. Holley MoParty 2021: Chris Britton’s 1970 Plymouth Barracuda Gran Coupe ...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 …Most Quadra jets are 600-650 CFM heres how to tell if it a 800 CFM body. Example: # 7028219. DG 1938. These numbers can be found on the side of the carb main body next to the throttle lever , 1965 to early 1968 was a round disc 1968 and later ones where stamped into the body on quadrajets. If the date code under the number is 4 numbers "1938 ...This instruction sheet contains the technical specifications required for recalibrating your carburetor. To locate your list number, use the examples in the …Carburetor Reference Sheet and Related Parts: Brand: Holley Type: H4-4160: Number: 80487: CU: H4-Marine: General Reference Picture of a H4-4160 Actual Reference Picture: Disc: Marine 4.3 Notes: Notes Cyl: Rebuild Kit: KT-19043: Check here for Muscle car Info. Check here for Holley parts. Float: 100-96: Acc Pump:

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How to id holley carburetors3 holley carburetor identification begins with the list number located on the air horn. the list Identifying a holley carb.Holley carb identification. Holley carb tune infoCarb dating: autolite and holley Some basic holley 4 barrel carburetor identification tipsHolley numerical listings pdf.U.S. stocks closed mostly lower on Wednesday, with the Nasdaq Composite dropping around 175 points. Here is the list of some big stocks recording ... U.S. stocks closed mostly lowe...The glass type of float bowl uses special screw clips. You must use these on the glass bowl, or it could break. The Holley 1920 float bowl will also work on the 1904, but the baffle will need to be removed 1st. The baffle simply slides in and out. A - 10-32×3/4 80D86. B - 8-32×1/2 80D45. Updated on 01/14/2022.The Holley power valve size chart includes values ranging from 5 to. Choosing the correct power valve size for your engine requires examining the vacuum level under load and picking a power valve that opens just as the engine requires more fuel. It's crucial to know your engine's vacuum requirements during idle, cruise, and wide-open throttle.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 4780 and used on 800 CFM Double Pumper . Check here for specific Muscle car Info. Referenced by ; Holley 4780.The carburetor identification number on the HP series are stamped into the THROTTLE SIDE of the main body. Holley Carburetor Specs 4150 HP Series. Here we have gathered all of the currently available Holley Carburetor Specs 4150 HP Series. This will, at the very least, give you a baseline as to what your carb should have started out with.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 ... Carbs Unlimited 253-833-4106. E-Mail [email protected]. This Site Designed By EagleServer ...Accelerator Pump Cam Selection And Installation On Holley Carbs. Bill Tichenor. 12/02/2009. 10 min read. Share. Carburetor Installation and Tuning. Support Video. Video. Accelerator pump cams on Holley carbs can be swapped out to deliver advanced or delayed accelerator pump delivery depending on your engine's normal idle …750 CFM Brawler Street Carburetor Mechanical Secondary. $579.95. Part# BR-67213 ….

Rebuild and Spec Sheet (Holley 6500) Rebuild and Spec Sheets (Holley 5200) Rebuild and Spec Sheets (Holley 2280) Rebuild and Spec Sheets (Holley 2245) Rebuild and Spec Sheets (Holley 1945, 1946) Holley 1920 & 1904 Pump Relief HoleHolley Double Pumper® carburetors are a perfect performance upgrade for hot street cars and race vehicles. Double Pumper carburetors are an American icon when it comes to performance carburetors. From their roots as the premier carburetor on many factory muscle cars to powering thousands of vehicles across the finish line, the Double Pumper is a great choice whether you are burning up the ...Quote. 1967 through 1969 Holley. The identification number and the date of manufacture are stamped into the forward vertical surface of the air horn. The three digit date code is broken down with the first number being the year of manufacture, the second number (or letter) being the month of manufacture (1 through 0 for January through October ...10 min read. Share. news. products. Holley, the leader in performance carburetors and fuel systems, is proud to introduce the world’s first interactive carburetor selector. The number one tech question Holley …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 ...Carburetor and Manifold Combos. Factory Refurbished Carburetors. Performance 2 Barrels. Specialty Carburetors. View All. ... Holley MoParty 2021: A Blown 1964 Polara By An Old-School Hot Rod Builder. LIVN LO: Rob Johnson's Pro Street 1967 Chevrolet Impala SS. Blown, Small-Block, Ford-Powered, Big-Tire Mustang Runs 7s at Holley Hot Rod Reunion ...Exploded View of a Holley model 4360, C Carburetor. Find the part you need by number: To request additional information or to obtain information on. price and availability of any part shown above, please fill in our. Information Request Form.Identify your Carburetor by Model/Picture. We have the largest inventory of marine 1, 2 and 4 barrel remanufactured marine carburetors, as well as throttle body injection. Our remanufactured marine carburetor catalog covers MerCruiser, OMC, Volvo Penta, and all inboard carburetors including Crusader, Ford and General Motors.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 AFB (Aluminum Four Barrel) carburetor was produced by Carter for original equipment cars from 1957-1971. The AFB was then available as a high performance 9000 series carburetor up until the late 1990's. Weber is currently making the AFB now known as the Edelbrock.The accelerator pump controls response when pressing down on the gas pedal. Holley carb identification chart, Here are the steps for calibrating the idle mixture: Progressively turn the idle-mixture screws in. Start with a quarter turn on each one and readjust the idle speed to an appropriate RPM. A big-cam engine needs a higher idle speed, which is usually about 1,000 rpm; a regular street cam needs about 600 rpm., 4150 HP and 4500 DOMINATOR HP. CARBURETOR LIST NO. R7320-1. IDLE BLEED. INTERMEDIATE BLEED. HIGH SPEED. 28. CARBURETOR LIST NO. R7320-1., 1. ALUMINUM CARBURETORS. INSTRUCTION MANUAL LIT733-1. www.demoncarbs.com. 2. INTRODUCTION. Demon Carburetors™ have many unique features that make them the ultimate choice for performance enthusiasts, like yourself. This manual will discuss the special points and unique features of the Demon carburetors, and the correct procedures for their ..., Holley Blower Carburetors - Pit Stop. E-Mail: [email protected] Mail: Hot Rod Pit Stop, 6420 Wilshire Blvd., Los Angeles, Ca 90048 Fax: 323/782-2223 Message Board: Hotrod.Com. As we get into ..., Holley carbs come with a standard shooter size which differs by carb list#. If you are experiencing a bog or hesitation off idle, you can try a larger, higher # shooter size. The bog or hesitation may be caused by a momentary lean condition when the carb goes from the idle throttle postion to the main metering system. The shooters help richen ..., Installation and Adjustment Instructions - 199R10881. CONGRATULATIONS on your purchase of Holley Dominator Series carburetor! We feel that you have purchased the finest performance carburetor manufactured today. Should you need information or parts assistance, please contact our Technical Service Department at 1-866-464-6553 or 1-270-781-9741 ..., Holley Superchargers are designed for trouble-free installation and operation. However, since individuals who have little experience with engine tuning and modification do most installations, this information is provided so that you may identify the most common after installation problems. If, after exploring the suggestions, you still have a ..., Holley 2140 & 4000 Identification. Holley 4000 Identification - The carburetor number is located on the back side of the carburetor on the face of the flange. There may be multiple numbers, but the important one is the LIST number. I.E. LIST 1161. In a few cases the numbers after the list number can be significant. I.E. 1161-1A., 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 ..., 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 1850-1 and used on 600 CFM . Check here for specific Muscle car Info: Referenced by ; Holley 1850-1 ..., A 1967 440 Carter AFB carb with the date code of H6 indicates August 1966. In later years, like the 1974 440 Thermo-Quad carburetor, five numbers were used. The first three was the build day and the last two the year. A 1974 440 Carter carb (6460S) with a date code of 21173 indicates the 211th day of 1973., Zenith carburetors built from 1932 to about 1980 have a round aluminum or brass tag about the size of a dime riveted to the top of the carburetor. The inside number is the Zenith assembly number and the outer one is the OEM number. Later carbs sometimes have a stamped number, usually on the top part of the carb, or in many cases, an …, Air & Fuel Delivery /. Carburetor Components /. Metering Blocks Plates and Conversion Kits., There is a nomenclature list for each model of carburetor. Use the nomenclature list to help identify the parts as you disassemble and reassemble the carburetor., Carburetor and Manifold Combo comes with gaskets, bolts, and air cleaner for a complete installation!, carburetor bowl hdl-ley on models aai and 2110 number is stamped on tag. on model 852 number appears on plate mounted on air horn body. (on new units the number is stamped on float bowl. ) model 4000 list number stamped on throttle body flange model 1901 list number stamped on throttle body flange model 1920 list number stamped on carburetor …, products. Holley, the leader in performance carburetors and fuel systems, is proud to introduce the world’s first interactive carburetor selector. The number one tech question Holley technical service receives is: What carburetor do I need? Holley’s interactive carburetor selector will give you the answer after asking a series of simple questions., If you need any Holley, give our sales team a call on 07 3808 1986 or email. Want to find a part/List number or word easily once you click on the attachment? Once the attachment is opened, Hold CTRL button & hit the F key or press F3: Now enter the part number or word and hit ENTER. Carb Number Carb Model., Tighten the Holley carburetor fuel bowl screws to 25-30 in./lbs. of torque in a clockwise direction. Periodically, recheck the torque of the fuel bowl screws at regular maintenance intervals. REMOVAL: 1. Identify, label, and disconnect the vacuum lines to the air cleaner. Labeling these connections will help ensure that they will, Most of the King Demons start with a number 9 which is the first number to identify. I don't know if your carburetor is the same as a Holley Dominator or not as that is what a King Demon is like. Here is an example to identify it. 3282010bc 3= race demon 28= venturi size 2= 1 11/16 butterfly size 01 = booster type 0 = gasoline bc= blower ..., Holley list 3310-1 date 0743Holley power valve chart Carburetor holley identifying 2300 forumsWho's good at id-ing holley carbs?. Holley catalog by holley performanceCarb dating: autolite and holley Numbers holley part list cfm parts listing copo nastyz28Holley catalog by holley performance. Check Details. Pit stop: holley carb identification ..., Holley engineers have taken the state-of-the-art Gen 3 Ultra carburetors and created a budget friendly version that is perfect for street/strip applications as well as all out bracket or sportsman drag cars. The new Holley SP Dominator carburetors feature the patent pending Gen 3 main-body which is 5/16" taller than the previous generation! This new height allowed for larger radius air entries ..., Many Holley performance carburetors are equipped with what is called four-hole or four-port idle mixture control. These carbs employ two more idle mixture screws on the secondary side of the carburetor. The adjustment procedure is exactly the same except that all four idle mixture screws are adjusted instead of just two., Holley Carb Jetting Calculator. Rochester quadrajet jet chart Carburettor jet sizing Mikuni result. Drilling jet size chart. Rochester carburetor identification chartS&s super e jetting chart / s&s cycle installation: super e carburator Wmv carburettors mercuryJet size carburetor calculator., CLICK ON THE LINKS BELOW FOR A PRINTABLE BOLT PATTERN DRAWING OF STANDARD CARBURETOR DIMENSIONS. THESE ARE SCALED TO SIZE AND CAN BE LAID ON YOUR EXISTING INTAKE TO VERIFY FITMENT! . BBD / Small Bore. 2GC Large Bore. GM 2-BBL (TBI) Holley 2300 2-BBL. Spreadbore (Holley 4175/4175) Street Demon., When reassembling the carburetor use the adjustment specifications list to make the necessary adjustments for the list number of your carburetor. Since this instruction sheet cannot contain all the pertinent information required to rebuild your carburetor, Holley recommends the HOLLEY - REBUILDING AND MODIFYING book by Jeff William’s P/N …, Holley Double Pumper® carburetors are a perfect performance upgrade for hot street cars and race vehicles. Double Pumper carburetors are an American icon when it comes to performance carburetors. From their roots as the premier carburetor on many factory muscle cars to powering thousands of vehicles across the finish line, the Double Pumper is a great choice whether you are burning up the ..., Tooth Identification - Tooth identification is made difficult by the fact that there's no central database of dental records. Learn about tooth identification and how it's done. Ad..., Earls Classic Hose and Hose Ends. Speed-Seal and Speed-Flex. Hardline. Also in Plumbing AN Fittings and Hose. Adapters. All Hose Groups. Application Specific Parts. Catch Tanks. Fuel System Components. , July 16, 2017 by Muscle Car DiY. The 1950s saw the introduction of the Holley Series 4150 4-barrel on the 1957 Thunderbird. It was the beginning of the modular Holley 4-barrel, as we know it today. It was the first true performance carburetor and it became standard equipment on many high-performance automobiles., CARB Standards in Other States - Several other states have either adopted, or are in the process of adopting, the strict emissions standards CARB has mandated. Read more about CARB..., A. Artie@TFS Discussion starter. 6 posts · Joined 2004. #1 · Jan 30, 2004. I have a Holley carb # 3310 (780 cfm) carb with the following number stamped on the choke horn: 3878261 EH. 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., Holley, through research ... included. If your carburetor has a two-stage power valve, use the chart and drawings below to determine ... Identification Stamp Replacement Single Stage Power Valve Identification Stamp 5 …