Holley carb identification chart.

CONGRATULATIONS on your Holley® carburetor purchase! 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 1-270-781-9741, Monday through Friday, 8 a.m. to 5 p.m. CST. Controllers and Accessories. Direct Port Systems. Distribution Blocks, Filters, Adapters and Fittings. Electrical and Wiring. Fuel Pumps and Regulators. Gauges. Hose Lines and Tubing. Intercooler Sprayers. Microswitch and Solenoid Mounting Brackets. The Holley power valve identification is rated according to their opening ratings. For identifying power valves, the intake manifold vacuum for the carbureted engine blocks is expressed in inches of mercury (“Hg). Every power valve is identified by ratings ranging from 2.5 to 10.5” Hg.Air & Fuel Delivery /. Carburetor Components /. Jets Metering Rods Bleeds /. Main Jets.

Learn how to distinguish a Holley carburetor from other manufacturers by looking for the manufacturer's name, model number, and code number on the sides of the carburetor. Cross-check the model number with a Holley carburetor listing and find the specifications for your carburetor. Find out how to repair or rebuild your Holley carburetor with National Carburetors.

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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 …Holley 1901, 2 barrel carburetor identification. Find out where to look for the Holley LIST number so you can order the correct parts. Menu. BY CARB TYPE. AISAN; CARTER; ... Holley 1901 Identification. Search For. Search. Holley 1901 Identification. Use the LIST number anytime you order carburetor kits. 1901 With Spark Valve.The inlet machining for the HOLLEY ALUMINUM ULTRA XP fuel bowls is SAE -8 port straight o-ring (¾"-16). 3. Connect the fuel lines, throttle linkage, and return springs. Operate the linkage to ensure correct travel by fully opening and closing the throttle by hand, as well as with the accelerator pedal (with engine off).Classic Holley carbs have been a staple for rodders around the world for decades. They're calibrated for use on stock to mildly modified vehicles and have that classic Holley look. Holley's 0-1848-1 is calibrated and intended for small V8s. Plus, it is Gold Dichromate coated for durability and classic Holley looks. Don't trust your performance to just anyone, Holley is the only modular ...The inlet machining for the HOLLEY ALUMINUM ULTRA XP fuel bowls is SAE -8 port straight o-ring (¾"-16). 3. Connect the fuel lines, throttle linkage, and return springs. Operate the linkage to ensure correct travel by fully opening and closing the throttle by hand, as well as with the accelerator pedal (with engine off).

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Carburetor Number Primary Dry Float Adj. Secondary Dry Float Adj. Pump Cam Position Cam Index Vacuum Kick Vacuum Unloader Bowl Vent Auto. Choke Dash pot R1272A, -1A, R1482A 13/16" 3/4" #1 .060" Index R1273A., -1A, -2A, -2AAS, R1483A 13/16" 3/4" #1 .180" .060" Index .075" R1312A, -1A, R1748A, -1A, R1957A, - 1A, R1958A, -1A

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 …The list number on the front of the air horn (1850-2) indicates it was originally a basic, entry-level 600-cfm universal carb designed for mild, entry-level cruisers. …"A"). These, in turn, relate to the chart with which the metering plate specifications can be determined. SECONDARY IDLE FEED RESTRICTION Hole "B" Hole "A" SECONDARY MAIN METERING RESTRICTION Holley Secondary Metering Plates MAIN HOLE IDLE HOLE HOLLEY PART "A" "B" P/N STAMPED.052 .029 34R9716-34 34.055 .026 34R9716-3 3.059 ...The date codes on factory Holley carbs were 3-digits up to 1973, and 4 digits thereafter. 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). 1969 04A Van Nuys-built Z/28.hello i have a holley carb, that appears to be a double pumper, dual feed with electric choke, and i cannot identify it for the life of me, the numbers stamped on back of choke horn are 80570 and underneath that is 0596. on the inside top of carb it says 6R 3559. on side base plate it says 6104 , and on metering blocks on side in a circle it says 34r 123808 thank you for any help you have , 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.

Jul 1, 2008 · 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 ... 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.Classic Holley carbs have been a staple for rodders around the world for decades. They're the perfect performance upgrade for stock to mildly modified vehicles and have that classic Holley look. Holley's 0-80531 has the perfect calibration for GM's 502 crate engine. Dual feed fuel inlets assure you get all the fuel you need while its vacuum secondaries and electric choke make it amazingly ...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 R4166 LIST 4166 and used on 67-69 Chrysler . Check here for specific Muscle car Info: Referenced by ; Holley R4166 or LIST 4166 ...ericnova72. 22557 posts · Joined 2007. #2 · Apr 9, 2022. Nope, not a Speed Demon. not a Race Demon either. The smaller 1-9/16" "156" stamped primary throttle plates along with the thick wall booster rings in the secondary bores identify that carb as.... a Road Demon 625 cfm. Info comes from S-A Design's book "How to Tune and Win with Demon ...The number on the Holley is stamped in the front part of the choke housing. Take the air cleaner off, and it will be stamped there on the front vertical surface. It should read something like "List 1850-3" , or something similar. The power valve is located just inside, once the float bowl is removed.

Holley carburetor identification Holley specs hp series Holley numerical listings pdf. Holley carburetor identify. 3 holley carburetor identification begins with the list number locatedHolley carb identification Holley carb hunter's guideHolley carb identification number date sketchy pit avoid mods stop need list hotrod part.

CFM Requirement = (Engine Displacement x Maximum RPM) ÷ 3,436. For example: 351 ci x 6,500 rpm ÷ 3,456 = 660 cfm. Most high-performance street Clevelands need no more than a 650-cfm 4-barrel carburetor. It is when you get into high RPM and greater displacement that you need a larger carburetor (more CFM).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.With the choke housing swung out of the way, remove the 3 screws holding the secondary throttle diaphragm assembly. Remove the “C” clip at the throttle lever. Remove the secondary diaphragm cover screws. Tap the top of the housing lightly with a mallet to ease removal. Install the alternate secondary diaphragm spring.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.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. Carburetors & Accessories. After a breakthrough main body upgrade in the 90's that was so popular it spawned a whole line of carburetors and accessories that have been leading the aftermarket for almost the last 20 years. PROFORM's signature Race Series Purple is very recognizable, and just like everything bearing the PROFORM name ...The Carburetor Doctor has a full line of Holley carburetor rebuild kits, floats, choke thermostats, parts and service manuals for 1, 2, 3 and 4 barrel Holley carburetors from 1934 to today. We have carburetor parts for Holley automotive, marine, industrial and agricultural applications. Our kits are made in the USA and feature the highest ...“A”). These, in turn, relate to the chart with which the metering plate specifications can be determined. SECONDARY IDLE FEED RESTRICTION Hole “B” Hole “A” SECONDARY MAIN METERING RESTRICTION Holley Secondary Metering Plates MAIN HOLE IDLE HOLE HOLLEY PART “A” “B” P/N STAMPED.052 .029 34R9716-34 34.055 .026 …

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.

Autolite 2 barrel tuning. By John Logan. Published first in Rootes Review, 2006. The following holds true for any stock Ford carburetor, 2 barrel or 4 barrel. 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 ...

Holley-Weber Carburetors. Holley 5200 (Ford) ... Rochester Model B History and ID. Zenith Model 28/228 Identification. Contact The Carburetor Doctor Inc. PO Box 4267 Tulsa, OK 74159 [email protected]. 888-664-6462. Go to contact page ©2005-2023 The Carburetor Doctor Inc.The Holley power valve identification is rated according to their opening ratings. For identifying power valves, the intake manifold vacuum for the carbureted engine blocks is expressed in inches of mercury (“Hg). Every power valve is identified by ratings ranging from 2.5 to 10.5” Hg. 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 present. Kit Identification - Holley 94, 2100, AA-1. We stock a full selection of rebuild kits for the Holley 94, 2100, and AA-1 carburetors. These carbs had tags on originally with the carburetor numbers. Some models will have identification markings on the carburetors themselves, but often times we have to compare the parts to be sure of the rebuild ...The improper apps appeared in the Holley lists in the late 60's, the older lists were correct. I think somebody condensed the lists when they changed formats and when they did that they also assumed that any engine of that size used that carb. The lists are also wrong for the 57 carbs used on 312's. Hawkrod Hawkrod 39 Ford Deluxe Coupe 59 Tbird 4301. Unless you are replacing an existing Holley® carburetor (which already has a lever extension arm), you may need to purchase and install a throttle lever extension (Holley® P/N 20-7) on the carburetor. Remove the throttle stud and nut from the original carburetor. You can purchase a new stud from your Holley® dealer (Holley® P/N 20-67).Demon Carburetors™, the first new design in racing carburetion in 40 years, 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 proper installation and tuning.The Holley power valve is a simple diaphragm with a tapered seat-valve that is exposed on the carb body side to intake manifold vacuum. With high manifold vacuum in a part-throttle situation, this low pressure “pulls” on the valve keeping it closed. As the throttle opens and the load increases, the manifold vacuum will drop.Kit Identification – Holley 94, 2100, AA-1. We stock a full selection of rebuild kits for the Holley 94, 2100, and AA-1 carburetors. These carbs had tags on originally with the carburetor numbers. Some models will have identification markings on the carburetors themselves, but often times we have to compare the parts to be sure of the rebuild ...

help identify the parts as you disassemble and reassemble the carburetor. Refer to the SPECIFICATIONS manual for the ... 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 …Chokes, Floats, Kits, Rebuilt Carbs, New Carbs Primary Pulloffs , Secondary Pulloffs: Main Holley Page : Base Plate : Holley Brand base plates: H25-46: 1850 Style Aftermarket Butterfly# 109 Pri. VERY LIMITED : H25-46: H25-73: Double Pumper Aftermarket 650-750 Butterfly# 172 Pri. Butterfly# 173 Sec. H25-73: H25-48: Double Pumper Aftermarket 800 ...NOMENCLATURE - MODEL 4150/4160 Ref. No. Description Ref. No. Description 1 Dashpot Nut 2 Dashpot Assembly 3 Da shpot Bracket Screw 4 Dashpot Bracket 5 Throttle Lever Extension Screw 6 Throttle Lever Extension Nut 7 Lockwasher Extension Nut 8 Throttle Lever Extension 9 Solenoid Bracket Screw 10 Solenoid Bracket Screw 11 Solenoid …4. Disconnect electric choke wires if equipped (identify if necessary). 5. Disconnect all linkage and return springs. 6. Remove the 4 hold down nuts and washers (if used). 7. Remove carburetor from intake manifold. 8. Cover intake manifold carburetor flange with a clean rag or towel to prevent any foreign objects from falling into the engine.Instagram:https://instagram. baton rouge rouseshii benefits centerhow to adjust the picture size on a vizio tvhottest celebrity bulges 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 ... Tips on identification of various carburetors . Carburetor Identification Service . Carter, Holley, Marvel, Marvel/Schebler, Rochester, Schebler, Stromberg, Zenith . Carter . Brass Series (A,C,G,H) – (1909 – 1922) 1 barrel updraft (have no information to further identify these units) tom selleck did he diecraigslist whittier rooms for rent Around 1938--9 there are bulletins fully detailing all carb circuit functions and a magnificent rebuild guide. There are also chart allowing identification of those internal parts that differ between models. I've got a circa 1939 Holley tech sheet for 8 and 12 models, and a fairly fat folder collecting all the info I have tripped over in my ...A friend of mine purchased this Holley carb which has the following numbers: C9AF-9510-J LIST 4609 It's supposed to be for a 428, but was curious exactly what it may have came on originally. Thanks! ... Cathy, although I can't ID your carb, I can tell you how I got the info on my Holley. I went to Holley's site and got the tech/customer svc ... climbzone promo code Air & Fuel Delivery /. Carburetor Components /. Carburetor Gaskets Adapters and Spacers /.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 0-8007 and used on Aftermarket Holley 390 CFM . Check here for specific Muscle car Info: Referenced by ; Holley 0-8007 ...