Holley carb identification chart

Building Holley's Latest Giveaway. Jeff Huneycutt. 04/02/2024. tech. ADS Suspension 2021-2024 Ford Bronco control arm. New ADS Suspension Components for 2021-2024 Ford Bronco. Steven Olsewski. 03/28/2024. tech. Autocross Track days Road Racing. Coilovers: Choosing the Right Ones for Street or Track.

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 H4-4165 . This carburetor has a part number of R6853 LIST 6853 and used on 650 Spreadbore Aftermarket . Check here for specific Muscle car Info. Referenced by ; Holley R6853 or …Air & Fuel Delivery /. Carburetor Components /. Metering Blocks Plates and Conversion Kits.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.A chart showing illustrations of select North American birds is available on the National Audubon Society’s Guide to North American Birds webpage. Charts comparing physical feature...Annulars should be reserved for overly large venturi main body's like the 850 and 950 cfm, to gain response with these carbs on smaller motored applications. Here is a link on the holley 3310 carb and it has a lot of info on the sizes of the air bleeds and also the specs on the original primary metering block it had.

You know about cauliflower rice, but broccoli rice is the cousin that hasn't received as much attention. Yet. Make one of these low-carb recipes that uses the green vegetable in pl...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 ...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 ...Received 1,534 Likes on 1,036 Posts. New Holley 1850-12 replacement carb. Have a new Holley 1850-12 (replacement for the original 3367) that came on the car when I bought it. Ran good, but so rich that my garage door now has two black dots on it and the bumpers are black. It does not have adjustable needles nor sight plugs on the bowls.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 R4313 LIST 4313 and used on 69-74 IHC . Check here for specific Muscle car Info. Referenced by ; Holley R4313 or LIST 4313.Before I went to bed last night, I stepped on the scale. I was up 6lbs from my pre-dinner weight thanks to my immortal enemy, RICE. Yes, folks, I did... Edit Your Post Published by...Holley Dual Sync Distributor Timing Control 199R11369 Date: 7-28-17 . Author: Matthew D. Lunsford Created Date: 7/28/2017 2:22:34 PM ...

#dadmods #holley #carburetorFormerly MiShift Garage: Ready for a clear, quality breakdown of how to rebuild a 8BA Holley 94 carburetor? In this upload we add...This two-day-a-week diet plan sounds a lot easier than full-time calorie-counting: Just avoid eating carbs those two days and eat what you normally do the rest of the time. A recen...2. Place the new carburetor flange gasket, provided with the carburetor, in the proper position on the intake manifold. 3. 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 4.Holley Carb Identification. Have Holley Carb, guy I got it from said it was a Holley 750 double pumper. Numbers I found were 6R1717B, 8485 and 1947 on the extender plate things. 45R-1 on the feed lines. Was told it was rebuilt last summer. Other then that it has mechanical secondaries.Holley has swap systems available for 1972-1993 Dodge D/W-series trucks, first and second-gen Dakota, A, B, and E-body musclecars, Jeeps, and even the 1973-1987 Chevrolet C10. ... We've included a chart that lists all of the production valve spring installed heights to indicate the number of changes throughout the Gen III's evolution.4150 HP and 4500 DOMINATOR HP. CARBURETOR LIST NO. R7320-1. IDLE BLEED. INTERMEDIATE BLEED. HIGH SPEED. 28. CARBURETOR LIST NO. R7320-1.

Tom sizemore net worth.

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 ... This carburetor was made by Holley , The Holley Brothers Company was started in 1905 in Detroit Michigan then became the Holley ... 4150 HP and 4500 DOMINATOR HP. CARBURETOR LIST NO. R7320-1. IDLE BLEED. INTERMEDIATE BLEED. HIGH SPEED. 28. CARBURETOR LIST NO. R7320-1. 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 R4053 LIST 4053 and used on 66-70 Chevy 396 427 302 . Check here for specific Muscle car Info: Referenced by ; Holley R4053 or LIST 4053 ...I have an early Barry Grant Demon Carburetor on a 350 chevy motor in my coupe. I cant identify what type it is or how many CFM . There are no numbers, or markings other than a 6 cast into the rear top of the body. It is a dual feed, with vaccume secondaries and four corner idle screws. The base plate primary butterflies are stamped 156 for ...

Holley Carburetor: Booster Science Guide. July 27, 2015 by Muscle Car DiY. The design of the booster can have dramatic effects on the engine's output and fuel consumption. Having an understanding of boosters can put you in the position of being able to enhance high-RPM output without sacrificing low-speed output.The Holley power valve sizes are dependent on the vacuum reading, so the size can differ a lot. But to find the size, you first need to get the vacuum reading and divide it by two. A vacuum rating you might often get is 13, and if you divide it you’ll get 6.5Hg which is going to be your power valve size. But if the vacuum reading is for ...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.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.Help With Carb Identification Please 10-17-2015, 08:52 PM. Hi Guys. I have a Holley 4 barrel that I would like to identify. I have struggled to find a listing for the specs I have gathered, as it has had the choke horn machined off. (To all those that remove the choke horn - please stamp, engrave, scratch or chisel some kind of List # on the ...10. Quick Fuel Technologies offers a wide range of tools to handle this E85 conversion including metering blocks, E85 testing tubes and more. We will be using their 34-106QFT kit to swap our Gasoline blocks over to Ethanol blocks (larger metering wells) which still use Gasoline Main Jets and 6/32 emulsion bleeds. 1.Holley has been the world leader in carburetors for over 100 years. We are proud to announce the newest member of our carburetor family- the Street Warrior. The goal in designing the Street Warrior was to take all of those years of experience and build the ultimate performance street carburetor for your daily driver that would not break the …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.This carburetor was made by Holley , The Holley Brothers Company was started in 1905 in Detroit Michigan then became the Holley Carburetor Co . It is a H4-4160 . This carburetor has a part number of 1850-4 and used on 600 CFM . Check here for specific Muscle car Info: Referenced by ; Holley 1850-4 ...The ratio of the amount of fuel added by the power valve will change with each version Holley carburetor, but typically the power valve circuit will add anywhere from five to eight jet sizes-worth of additional fuel. ... Our accompanying chart shows a Holley 67 jet uses a .0663-inch diameter orifice which equals a flow area of 0.00353 square ...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 H2-2300 . This carburetor has a part number of R4412 LIST 4412 and used on 500 CFM . Check here for specific Muscle car Info: Referenced by ; Holley R4412 or LIST 4412 ...

We would like to show you a description here but the site won’t allow us.

Holley HP™ carburetors have been the standard in racing carburetors for nearly two decades. Powering the biggest names in NASCAR to the Saturday night racer, HP carburetors are the perfect choice for all types of motorsports. Classic HP carburetors are available from 390 to 1000 CFM and feature a contoured venturii inlet for balanced air flow, screw in air bleeds for precision tuning ...A guy brought me a box of Holley carbs that have been disassembled. There are several carbs there : a couple of 750 mech, 600 vac, and a couple of 450 mech. Plus spare parts gathered over the years. I need help matching the metering blocks to the correct carbs. I couldn't find the info on Holley's site. Found part #, but not the stamped …FINISH. standard shiny standard shiny. APPLICATION. 0-1850 or most any model 4160 with side hung float bowls. 0-1850S & 0-80457S. 0-3310 or most any model 4160 with center hung float bowls. 0-3310S & 0-80508S. www.holley.com.Description. Original Holley 3419 CARBURETOR date code 634. This is a Chevelle 396 engine Carburetor. The number above that in the picture is the General Motors id number 3886087-EJ. Restored to its original Holley color, all of the steel hardware has been re-plated to the original finish. Carburetor retains the factory Holley calibration.CONGRATULATIONS on your purchase of a Holley® 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 1-270-781-9741, Monday through Friday, 7 a.m. to 5 p.m. CST.You know about cauliflower rice, but broccoli rice is the cousin that hasn't received as much attention. Yet. Make one of these low-carb recipes that uses the green vegetable in pl...Placing 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.

Does walgreens refill printer cartridges.

Lehigh honors program.

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 ...devices. Holley offers a USB cable with a sealed connector, PN 558-409 for applications were the USB cable will be plugged in, and the ECU is mounted in a dirty environment. HP ECU - The HP ECU has two main connectors: J1A - The first connector next to the USB connector is the "J1A" connector (34 pin). This connector is primarily an ...These carb tuning aspects are discussed on our "HOLLEY TUNING TIPS" webpage. THE FOLLOWING IS A PARTIAL LIST OF HOLLEY LIST #'S FOR SOME OF THEIR MOST POPULAR CARBS. IT IS NOT A COMPLETE LIST OF ALL CARBS MADE BY HOLLEY OVER THE YEARS. LIST # CFM STOCK JETTING POWER VALVE TYPE. 1850-2 600 (F)66, (R)plate 134-9 6.5 4160.Holley is home to the top automotive performance brands including Flowmaster exhaust, MSD Ignition, Holley EFI, Hurst Shifters, Accel plug wires, Hooker Headers and many more. ... 600 CFM STREET WARRIOR CARBURETOR. Motor Life. Fueling Your Motoring Lifestyle Tech, Features, News and Videos. Discover. Latest. LS Fest LS Fest West 2024 LS Fest ...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 ...This carburetor was made by Holley , The Holley Brothers Company was started in 1905 in Detroit Michigan then became the Holley Carburetor Co . It is a H4-4160 . This carburetor has a part number of 1850-5 and used on 600 CFM . Check here for specific Muscle car Info: Referenced by ; Holley 1850-5 ... 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 ... 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 carburetor identification Carb dating: autolite and holley Holley carb identification number date sketchy pit avoid mods stop need list hotrod part 39 4160 holley carb diagram Charts for Education 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. ….

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.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.I have an early Barry Grant Demon Carburetor on a 350 chevy motor in my coupe. I cant identify what type it is or how many CFM . There are no numbers, or markings other than a 6 cast into the rear top of the body. It is a dual feed, with vaccume secondaries and four corner idle screws. The base plate primary butterflies are stamped 156 for ...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 ...All 1962 Max Wedge engines were equipped with a pair of Carter #3447 AFB four barrel carburetors. These were roughly a 600 cfm carburetor with small 1-7/16 inch primary and larger 1-11/16 inch secondary throttle bore sizes. They were great carburetors and perform well on street applications and race cars. You can tell a #3447 style carb at a ...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.If you're using two carbs, go about half of the stock value of 7 1/2 inches of vacuum Hg, which is in the 3 1/2- to 4 1/2-inch Hg range. While swapping power valves is a simple cure for an overly ...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 …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 5.8,451 1,134. Mar 27, 2011 #2. We've had both the car and the carb. Also the first "List 1850" - wonder how many brand-x owners with 1850s on top know they are running a Merc carb. The 5752426 is valuable to a 430/360 owner that needs one, not sure how many of those are left. Ours ran good, 1st year of the 430 before they made it weaker. Holley carb identification chart, The first step in identifying a Zenith carburetor is to find the model number. This is usually stamped on the side of the carburetor body or can be found on a metal tag attached to the carburetor. Some Zenith carburetors may also have the model number stamped on the throttle body. The model number and Zenith identification number are not the ..., 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. , Watch the above video as Holley's own Tom Kise walks you through the carb selection process to ensure you get the most bang for your buck. Additionally, a good place to start is the new Holley Carb Selector tool on our website. All you have to do is input a few pieces of information regarding your engine's configuration (displacement, maximum ..., 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 …, 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 …, Rochester Carburetor Numbering System. By the mid-1960s Rochester carburetor numbers started to become mostly standardized. Here are a couple of Rochester numbers decoded as examples: 7026203. ' 70': until 1975, all factory production Rochester numbers start with '70'. '2': 1960's carbs generally have a '2' in this place ('3' in this spot means ..., A guy brought me a box of Holley carbs that have been disassembled. There are several carbs there : a couple of 750 mech, 600 vac, and a couple of 450 mech. Plus spare parts gathered over the years. I need help matching the metering blocks to the correct carbs. I couldn't find the info on Holley's site. Found part #, but not the stamped ID numbers., 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 ..., 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. A Holley 950 HP has 1.56 venturi bore size and a 1 3/4 base plate but that is with down leg boosters., VW Carburetors 101: Carb Options and Selection. Carburetor Sizing. VW engines are notoriously under carbureted by nature of the original design. A stock VW carburetor is proportionally small in relation to VW engine size when compared to most (if not all) other car makes., May 6, 2020 · using the Holley Emissions Design/Street Performance carburetor recommended for your vehicle. WARNING: If you are using this carburetor with a GM overdrive transmission TH700R4 or a TH200R4, you must use a transmission kickdown cable bracket (Holley® P/N 20-95) and stud and kickdown throttle bracket (Holley® P/N 20-121). , 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 ..., 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 ..., Carburetor. Ford carburetors are identified by basic part number 9510. 428 CJ and SCJ engines came equipped with a 4 venturi (4v) Holley 4150 carburetor rated at 735 cfm. Factory carbs used vacuum secondaries with dual metering blocks -- none of the original carbs that I'm aware of used mechanical secondaries., THE CARBURETOR SHOP / FORD APPLICATIONS. Ford applications and repair kits. Year Engine Model Carburetor Type Number Kit. 1903 2 100 A Holley. 1903 2 100 A Schebler. 1904 2 100 A Holley. 1904 2 120 AC, C Holley. 1904 4 284 B Holley. 1905 2 120 C Holley., The most common issues with Holley carbs are flooding and incorrect fuel/air mixture. Some cleaning and adjustments usually solve the problem. Want more in-depth information? Check this how-to-guide on Holley carburetor problems, possible causes, and corrective actions. These tips apply to all Holley carbs from 4150 to 4160 to …, 750 CFM Brawler Street Carburetor Mechanical Secondary. $579.95. Part# BR-67213, The Trick Kit, while it costs more, includes a number of tuning components you can use to dial in your specific Holley carburetor. Things like an assortment of accelerator pump cams, various sizes of discharge nozzles, multiple reusable gaskets and a complete tuning manual are included. Basically, the Trick Kit is the very first place to begin ..., Factory Correct Resto - Tri-Power Carb Date Codes - I am currently going over a 1967 427/435 and I'm having a hellava time figurung out the date codes on the carbs. ... Holley started using 4-digit date codes in 1973; original '67 carburetors had 3-digit date codes that started with either a "6" (for 1966) or a "7" (for 1967). For 3-digit date ..., Learn how to distinguish a Holley carburetor from other manufacturers by looking for the name, model number, and code on the sides of the carburetor. Find out …, There is a very basic formula that can be used to get a solid baseline of what size carburetor based on the CFM's needed. CFM = Cubic Inches x RPM x Volumetric Efficiency ÷ 3456. John Dickey and Jeff Harris from AED Performance have helped many customers with their carburetor selection needs for over 30 years and understand sizing goes well ..., 3.250 in. Quantity: Sold individually. Holley 4160 Carburetors. Replace your old carburetor with original Holley performance 4160 carburetors. Budget-minded enthusiasts, like you, will be rewarded with maximum performance from your stock or mildly-modified engine. These Holley 4160 carburetors are easier to tune than full race carburetors with ..., 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 ..., Learn how to decode the four-digit date code on a Holley carburetor to determine its production date and year. Also, find out how to identify the carburetor …, 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., 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. , Learn how to distinguish a Holley carburetor from other manufacturers by looking for the name, model number, and code on the sides of the carburetor. Find out …, 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., 8,451 1,134. Mar 27, 2011 #2. We've had both the car and the carb. Also the first "List 1850" - wonder how many brand-x owners with 1850s on top know they are running a Merc carb. The 5752426 is valuable to a 430/360 owner that needs one, not sure how many of those are left. Ours ran good, 1st year of the 430 before they made it weaker., 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 ..., 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 ..., Holley HP™ carburetors have been the standard in racing carburetors for nearly two decades. Powering the biggest names in NASCAR to the Saturday night racer, HP carburetors are the perfect choice for all types of motorsports. Classic HP carburetors are available from 390 to 1000 CFM and feature a contoured venturii inlet for balanced air flow, screw in air bleeds for precision tuning ..., Holley carburetors used in a Ford factory application use either a three-character date code or a four-character date code depending on when the carburetor was produced. ... with the last digit used to identify the year within a non-specific decade. For example, "1999" could represent the 199th day of 1969, 1979, or 1989. Application Chart ...