How to clean a holley carburetor I make a few bucks cleaning out pilot jets for people who let gas sit in their carbs more than a few months. Install flange gasket over intake manifold studs on intake manifold, then install your new carburetor. This article offers a detailed step-by-step process for accurate testing, maintenance tips, and troubleshooting techniques. in the past but was wondering if anyone knows of a better way to do it. Aug 26, 2009 · On a Holley modular carb 4150/4160 the idle feed restriction sits in the metering block below the fuel in the float bowl level and clog in the same manner. This guide will help you identify and Holly Fuel Filter Service and Replacement Part of periodic carburetor maintenence involves replacing the fuel filter(s). The air bleed system plays a crucial role in the operation of the carburetor, determining the amount of air that will mix with each circuit in the metering block. Soak parts long enough to soften and remove all foreign material. DIY Holley Carburetor Metering Block Repair Tunnel Ram double pumper carbs Scotts Speed Shop “Jezebel Charger” 30. To make the carb more stable, place it on a stand that supports the carb by its baseplate-to-manifold mounting holes. Anybody got any tips on getting all that old gasket material off, looks like its gonna be a pain in the butt. Jan 28, 2005 · A tech article on rebuilding a Holley 600 Carburetor. Begin by spraying the outside of the carburetor with carburetor cleaner. May 6, 2025 · On carburetors equipped with 4 corner idle systems, proper Holley 4 corner idle air bleed matching becomes essential for achieving balance, clean idle quality, and a consistent transition from idle to main circuits. Fix rough idling, backfiring, and poor acceleration using household tools or ultrasonic cleaners. Don't forget to tighten once installed. Mar 29, 2021 · Hello guys I have a question. S. 1. 020", looking like a square) of the idle transfer fuel slot visible below the CLEANING AND CARE: Cleaning must be done with carburetor disassembled. The video explains the various jet sizes, and how they affect engine performance. Other is a 600 vacuum secondary. Illustrates the 3 styles and tips on installing. It might be better to stretch a garden hose to the farthest back corner of your property and rinse most of it off with water first. Although a parts cleaner certainly comes in handy, it’s highly recommended to use a dedicated solvent that is specifically designed for carburetor cleaning. This time I show you how I go through my carburetor and clean it out to make sure it works at its best for every race! Ensure proper maintenance of your Holley carburetor by following the essential steps for effective carburetor cleaning. It controls the air-fuel mixture. One year later (From Nov 6 2019 - Feb 9 2021) after cleaning my Holley carburetors with muriatic acid processes. 11. Keeping the carb clean and moving freely will ensure many years of top-quality performance. When an engine sits for a long period of time without be… Remove the existing carburetor by the following procedure: Carefully disconnect the fuel line. I tried putting some penetrating oil on the gasket material to soften it up, but it is like someone super glued these things on. My gut tells me the air bleeds route to locations 1B, 1E, 1F and 1I in the photo below (You are looking at the secondary side of the main body): EDIT Aug 22, 2023 · Holley carburetor paint is designed to protect and enhance the appearance of your Holley carburetor. The Discount Inboard Marine team is going to show you how to adjust your Holley carb today!With just a few simple steps and you'll be on your way to a smooth Oct 26, 2024 · Unlock the secrets of your engine with our comprehensive guide on checking vacuum in Holley carburetors. Cleaning & Inspecting Components Before replacing worn-out components, it’s important to clean and inspect each part of the carburetor. Discover troubleshooting tips, from adjusting spring tension to fine-tuning the air-fuel mixture, to ensure optimal efficiency and Apr 13, 2022 · Carburetor cleaning is the process of removing any dirt, rust, or particles that might be clogging up your carburetor. carcraft. Cleaning carburetors is a detailed and painstaking process, but there is no part that looks better cleaned up. I rebuilt my Holley two years ago and couldn’t justify the cost of the soak in cleaner to do 1 carb. In the context of racing carburetors, it helps to think of them as (4) one barrels. Do you think you need a tune up. Cover intake manifold carburetor flange with a clean rag or towel to prevent any foreign objects from falling into the engine. Blow all passages in castings with compress air and check carefully to insure thorough cleaning Oct 12, 2019 · Holley Needle & Seat tips. Carburetors are on almost all types of combustion engines. Aug 15, 2025 · When it comes to optimizing your vehicle’s performance, the Holley carburetor stands out as a popular choice among automotive enthusiasts. Please have the part number of the product you Cleaning a Carburetor in 8 Easy Steps!: The carburetor is the most common problem area in all small engines. Last year Workshop Jan 26, 2004 · Everytime I rebuild a holley carb the gaskets are stuck on really bad. Toolmanmike Dec 27, 2010 · I've got some oooooold holley carbs I got for free, one is from a '58 Edsel (thanks for helping me decode it!) 750 vacuum secondary that would actually be nice to use if I can rebuild it. Founded in 1991, it was also the first online forum for people to gather and talk about their Pontiacs. Jun 11, 2008 · You don't want it in any garage attached to your home. The amount of air bleeds a carburetor will have is dependent on the number of throttle bores and circuits the carburetor has. Drilling Metering Block For Adjustable Bleeds | Holley Carb Tuning | Holley Carburetor Secrets Modifying A Holley Carburetor For Screw in Air Bleeds Holley 4-barrel carb rebuild | 4150 / 4160 vacuum secondary carburetor up close and personal Holley Carburetor Fixing The Warp and Rebuild Part 1 KILL ALL Yellowjackets And Wasps For 1/2 Mile. The job is too delicate to just scrape them. Picked up this old Holley for cheap, rebuilding is easy but Id like this thing to look good sitting under the hood of my daily El camino. Examine linkage connection (throttle cable [rod] and kickdown cable [if applicable]) transfer to new carburetor in same location if possible. When the float sticks, the regulation of fuel is disabled, incapacitating the car with a flooding or lean condition, This is a good way to get a quick clean on a Holley Methanol Carburetor to keep everything from getting gel in it and destroying a good carb Subscribed 145 14K views 3 years ago #holley #carburator Holley Carburetor 600 Rebuild. Is there an easier way to get them off. Y'all got any advice? When To Clean Car Carburetor Cleaning your car carburetor is necessary to keep your car functioning properly and operating the way it ought to. Remove carburetor from intake manifold. What should I soak these in? Is there any trick to removing these screws? The last time I rebuilt a carb eons ago I broke a float post trying to chisel the needle seat out of Aug 12, 2002 · have a 20 year old holley 4160 carb off the boat. Also ensure that you are reaching full throttle. Holley recommends to never adjust or change the air bleed system on four-barrel carburetors. I. overall they are I finally discovered the easiest way to clean a carburetor quite by accident. Rinse the parts thoroughly with water and dry them completely before reassembling the carburetor and reinstalling it onto the engine. What is the platting the holley uses If you are replacing an existing Holley carburetor, you may need to purchase and install a throttle lever extension (Holley P/N 20-7) on the carburetor. Learn the critical role these components play in fuel delivery and how their misalignment can lead to performance issues like bogging and stalling. I clean the carb with carb cleaner first to remove any gums and grease. com/mroffandonThis is how i unclog tough jets on my carburetors. This durable base coat/clear coat system provides a chip-resistant finish and is available in a variety of colors, allowing you to customize the look of your engine. Thi May 3, 2022 · What's the process to clean a cast aluminum Holley 4010 or Edelbrock carb with the shiny finish? All seem to turn 5 shades of brightness over time: Big black spots, rough surfaces, dulling, etc. This works for both pressed seats as well as replaceable seats. This video explains how the air bleed system works and how to occasionally clean the system. Jun 29, 2010 · Has the carb been rebuild recently? If not, you will probably destroy the seals taking the carb apart and it only takes purchasing a few parts before you should just spend the $25 on a rebuild kit (you can order it from you local parts store, should be the 703-29 but you should contact holley and verify by the list # stamped on your carb). Like most people I googled but the results where not all that good or easy. I personally recommend replacing them once a year regardless of how often a vehicle gets driven. 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. Mar 29, 2015 · This is is an often overlooked area to clean on the 2 and 4 bbl Holley 2300 and 4150 carburetors. Oct 2, 2025 · Holley recommends never adjusting or changing the air bleed system on four-barrel carburetors. CST. Should you need information or parts assistance, please contact our Technical Service Department at 1-866-464-6553, Monday through Friday, 8 a. They also give instructions on changing the jets for increased performance. Correct any sticking or binding conditions before proceeding. I'm pretty happy with the results and not having to pull the carb assembly. I need to soak it in "something" that will not damage the exterior finish of the carb but will clean the varnish out of the fuel metering blocks and fuel bowl. Holly Carburetor Flooding and Needle and Seat Fixes Holley carburetors are sometiInes known for flooding over in the event that a float sticks or sinks or debris contaminates the needle & seat, which prevents the needle & seat from fully sealing closed and shutting off the fuel flow when the float bowl is full. question 2: i flipped the carb over with the shooter off Nov 4, 2024 · Disassembling your Holley carburetor thoroughly is crucial for effective cleaning and inspection of each part before moving on to the next steps. These techniques apply to all Holley carburetors found on Ford 2000, 3000, 4000 and 5000 series t May 26, 2025 · How Do You Clean A Carburetor? Cleaning a carburetor is essential for enhancing engine performance and ensuring optimal fuel delivery. From rough idling to poor acceleration, a faulty carburetor can cause many headaches. this info can translate to any holley 4150 and 4160 style carbs. The basic operation of the Holley carburetor is as follows: Air enters the carburetor through the air cleaner and is mixed with fuel in the float bowl. Disconnect all linkage and return springs. Sep 17, 2008 · Kustomkarma I'm getting ready to rebuild a Holley 1904 glass bowl 1bbl to stick on my Ford 200, but was wondering what's the best way to clean all the crud off and out of it? I have used the gallon sized carb cleaner with the basket, spray can carb cleaner, kerosine, etc. They have brass plugs/threaded plugs that need to be drilled out and the airways cleaned. Most gasoline carburetors will have the butterflies adjusted with a small length (approximately . Jun 11, 2008 · Gunk made a “soak in” carb cleaner and it smelled too. If you are replacing an existing Holley® carburetor, you may need to purchase and install a throttle lever extension (Holley® P/N 20-7) on the carburetor. A technical video on how to rebuild you're Holley carburetor, and tune it for Street/Strip use! I go through the process step by step and add a couple tips in there as well for easier assembly. Jun 1, 2012 · How do you get your carbs (holley, stroms) clean and shiny? Early V8 (1932-53) Jun 19, 2025 · Knowing how to troubleshoot these problems is key. Installation of New Carburetor Set old carburetor and new carburetor side-by-side on work bench. Oct 4, 2021 · Holley 1920, 1 barrel carburetor idle system. If you prefer not to remove the carburetor from your vehicle, this guide offers a straightforward If your parking your Carburetor Powered Hot Rod for winter, Drain the Fuel bowls! Modern fuel is nasty and can corrode the bolts & bowls. m I asked you for your go to carb cleaning solutions and you didn't disappoint. Hopefully this will also work on my son's FZ1. Has anyone used any special acids or other chemicals to clean up the tarnish from years of use? I have access to a bunch of different acids. Rachel outlines a Holley carburetor rebuild on a Ford 2000. We use the K. May 24, 2013 · Hello guys I have a question and am seeking advice here from some of you experienced holley guys out there. I always show laying things out in the right order to p Nov 19, 2019 · A popular technique when addressing a carburetor related issue is to first return the carburetor to stock jetting, float level, and accelerator pump specs. You also need a few cleaning brushes of various sizes that should be dedicated to carb cleaning only to eliminate cross-contamination. Provided by https://www. Flooding, surging and many others. I took this picture last year and I'm hoping someone can help me locate the ports before I tear down my carburetor again. com, the official website for Car Craft Magazine. 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! Nov 29, 2014 · For carburetors that have corrosion in them from small amounts of moisture, I soak them in household white vinegar. Understand how to interpret vacuum readings and ensure your carburetor Use the exploded view, for the model of carburetor you have, as a guide and follow the numerical sequence in general to disassemble unit far enough to permit cleaning and inspection. Holly Fuel Filter Service and Replacement Part of periodic carburetor maintenence involves replacing the fuel filter(s). Since then, it has become the mecca of Pontiac technical data and knowledge that no other place can surpass. See These Coat Disassembling the Holley 750 cfm vacuum secondaries 4160 / 3310-4 750 cfm carburetor for cleaning. WARNING: Carefully protect the open end of the fuel lines, so that no foreign particles can enter. Having all of the tools listed here prior to beginning service makes your work more efficient and less […] It will slide out if the carburetor body is flipped. Use the exploded view as a guide, and follow the numerical sequence in general to disassemble the unit far enough to permit cleaning and inspection. Remove the 4 hold down nuts and washers (if used). Dec 2, 2009 · Holley explains how the main jets on a four-barrel carburetor operate. Make sure to clean all carbon deposits in throttle bores and passages. Anyone have a suggestion on the safest way to achieve successful results? Afraid of using anything caustic for fear of destroying the pristine exterior The BEST method for cleaning carburetors - soda blast and ultrasonic How-To Motorcycle Repair 140K subscribers Subscribed We’re rebuilding a 2 barrel carburetor and showing you how to clean the parts and the paints and coatings you need to make it look great again. We'll rebuild one and gives some tips along the way. What is the safest way to soak an aluminum carburetor without risking any damage to the carburetor parts itself such as the metering blocks and the fuel bowls that contain such old gasoline vanish that even carb cleaner and a rough brush can't get rid off it and Jun 15, 2009 · I usually take the carb off the car , its only a 4 bolts and cotter key or 2 and some hoses to remove. carburetor-parts. 3 of 5 on rebuilding the Holley 4160 (List #1850 -10). Jul 16, 2017 · If you plan to disassemble a carburetor, it should be done with the carburetor removed from the intake manifold and placed on a clean workbench. The idle/pilot jet serves to provide metered fuel to the idle mixture screws and more importantly the low speed transition slots that are uncovered by the throttle plates at the initial How to clean your Holley or any other aluminum carburetor with 33% Muriatic acid without spending a ton of money with great results. Sep 13, 2009 · Re: Holley carb rebuild, pictures and some how to Good job. Clean all parts thoroughly with approved cleaning solvent or lacquer thinner. In this video, I'll cover the whole process from teardown and cleaning to reassembly. Understanding the common problems and their fixes can save time and money. May 12, 2023 · Carburetors, like any part of an automobile, require regular maintenance to perform their best. When it malfunctions, your vehicle can suffer. It was important to maintain the original finish. This also makes the disassembly job much easier. Holley 2300 - I have a newer 2300 on a 302, I can tell one of the idle passages somewhere is clogged, idles on about 4 cyl, runs great well above an idle, and is intermittant (sp?); Can I clean the debris out by removing the front Jul 5, 2012 · Cure The Bog And Sluggish Response On Your Holley Four-Barrel Carburetor, By Properly Adjusting The Accelerator Pump Assembly. I usually drain mine by putting a large funnel in the lawn mower gas can , turn the carb upside down over it and the gas will drain out of the 2 vent tubes. Explains how the idle system works. How to Re-Jet your Holley Carburetor at the track MintHillBilly DIY 44. Jun 8, 2024 · Are you looking to clean your carburetor without the hassle of removing it from your vehicle? In this comprehensive guide, we will provide you with a step-by-step process to effectively clean your carburetor without having to take it out. Today video is a how to video about painting your holley carburetor with wheel paint by duplicolor, you be supersized how it truns out. The float on a Holley carburetor manages the amount of fuel present in the body of the carburetor at any point, allowing the metering blocks and power valve to serve atomized fuel to the intake plenum. I need to re-do mine and I would like it to look new and not like I sprayed it with carb cleaner. All of the metal parts get cleaned by (1) soaking overnight in Chem-Dip, (2) rinsing with water, (3) drying with compressed air, and (4 Oct 30, 2022 · Learn about Holley carburetors troubleshooting where everything from basic troubleshooting tips to advanced diagnostics and tuning procedures are discussed in great detail. 5K subscribers Subscribe Jun 29, 2009 · i'm working on a old holley 1850 and when i split it apart the gaskets all ripped apart and are freaking glued to everything. Use a cleaning brush to help remove dirt and corrosion. How does the idle system work on the 1920? How to adjust the idle mixture. Nov 2, 2021 · Although a parts cleaner certainly comes in handy, it’s highly recommended to use a dedicated solvent that is specifically designed for carburetor cleaning. principle (Keep It Simple Stupid) and break down the details that are easy Rest the carburetor on a repair stand to avoid damage to the throttle plates during the renew procedures. To fix this, open up the idle and intermediate air bleeds and replace and reduce the diameter of the main air bleeds. However, to fully take advantage of all its benefits, you must know how to clean an Edelbrock carburetor. Be aware that Lengthy video on tuning the jets on your holley carb. It's important to maintain the cleanliness of the carburetor to ensure your engine runs smoothly. The vinegar is strong enough to clean out corrosion but won't eat up the carburetor as long as you don't leave it soaking for a couple of days! HOW TO SET HOLLEY IDLE MIXTURE AND IDLE SPEED | Holley Carb Secrets | Holley Carburetor After A long while I have put the most cohesive method of setting up the idle on your holley carb. Setting Feb 23, 2006 · Fuel Injection, Carburetion & Fuel System - Clogged Idle passage: what/how to clean. However, how do you know when to clean car carburetor? Jan 18, 2013 · Does anyone know how to clean the blemishes or even know how to polish this shiny finish? I contacted Holley via email pertaining to the 80576S carburetor. Disconnect and mark all vacuum lines and wiring (if any) to the carburetor. You can purchase a new stud from your Holley® dealer (Holley® P/N 20-67). into the Lawnmower carburetors, snowblower carburetors and other small engine carburetors share a common functionality; this is where gasoline and air mix before gas continues through the engine. That's the cleanest "dirty" carb I've seen in a long time. CRC Clean-R-Carb removes carbon build-up and deposits on injectors, alloy heads, cylinders, pistons and linkages eliminating the need to use wire brushes thus avoiding damage to soft metal alloys. Make certain the throttle body is free of all hard carbon deposits. Illustrates where the small idle passages are. Note: Make sure that you use WD-40 on all the bolt holes when you assemble the carb and it will Disassembling the Holley 750 cfm vacuum secondaries 4160 / 3310-4 750 cfm carburetor for cleaning. to 3 p. A clean carburetor will improve engine performance and ensure consistent fuel delivery. the process of rebuilding an e85 carburetor and gasoline carburetor are largely the same so I Jul 16, 2017 · Carburetor service requires a selection of conventional hand tools as well as a select number of specialty tools. It will also help the vehicle maintain efficiency in gas mileage and engine power. 2K subscribers Subscribed Holley 4150 4160, 4 barrel carburetor troubleshooting help. Learn why vacuum measurement is vital for diagnosing engine health and boosting fuel efficiency. THe answer I got from the Holley tech was "There is really nothing that can be used that I know of, however we do offer a recoloring service here at Holley. Note: Make sure that you use WD-40 on all the bolt holes when you assemble the carb and it will The carburetor on a vehicle, lawn mower or other machine is where gasoline and air mix before gas continues through the engine. If your car or truck is equipped with a Holley four barrel carburetor and stumbles upon acceleration, more than likely the carburetor needs an adjustment to the accelerator pump assembly. T Mar 10, 2021 · Holley 2210 & 2245 idle circuit. Dec 2, 2009 · Holley recommends to never adjust or change the air bleed system on four-barrel carburetors. Wash off in suitable solvent. From disassembling the carburetor to cleaning each component thoroughly, this article will guide you through the process for optimum performance. *Part 1* Holley Carburetor 650CFM Double Pumper list# 4777-2 Complete Rebuild with Indept Passage Cleaning Apr 1, 2011 · We show you step-by-step on how you rebuild your swap meet Holley carburetor. Thi May 7, 2023 · How does a Holley carburetor work? The Holley carburetor is a four-barrel carburetor, meaning it has four individual barrels or venturis that supply fuel and air to the engine. Holley lists the stock specs for all of these systems and much more in the catalog. Installation and Adjustment Instructions - 199R10688-1 CONGRATULATIONS on your purchase of the HOLLEY 2300 ALUMINUM ULTRA XP Series carburetor! We feel that you have purchased the finest performance carburetor manufactured today. Aug 24, 2010 · Do carb restorers blast the outside of the carb to make them look like new? Carb cleaner and boil out doesn't seem to do the trick. Remove original carburetor flange gasket and scrape the carburetor flange of the intake manifold clean exercising care not to drop pieces of gasket material into the intake manifold. #holley #carburatormore Mar 8, 2023 · Setting the idle mixture and speed on a carburetor isn't the most exciting or elegant subject, but it is a necessary adjustment that often is overlooked or worse, set up incorrectly. Also on a Holley the air bleed passages like to clog as well. Do you have a car or truck with a carburetor. Next, soak the carburetor parts in a carburetor cleaner for a few hours, then use a brush to scrub away any remaining debris. Wrap the end of the fuel line with a clean lint-free cloth. 7K subscribers 249 Jul 14, 2010 · Virtually every carburetor you come across will have these which make this a universal discussion. Have you noticed that on youtube that other videos show you how to clean th https://twitter. I put four of them to the test and well, I'm gonna be extremely brutal here. The parts soaked in it need to be rinsed in clean solvent (mineral spirits) which will assume the odor of the carb dip. Jul 16, 2017 · During any service or rebuild, take the time to ensure that every single component is absolutely clean and free of contaminants. Use a carburetor solvent, lacquer thinner, or denatured alcohol. Make sure to remove all gasket residue from carburetor, metering block/plate, and fuel bowls. m. Feb 11, 2011 · The PY Online Forums is the largest online gathering of Pontiac enthusiasts anywhere in the world. It is recommended to cover the manifold bores when the carburetor is removed to prevent unwanted debris from entering the engine. " All the most important steps for rebuilding any Holley 4 barrel carburetor are in this video. The air intake can dry out the gas in your carburetor, resulting in a sticky Nov 30, 2002 · I'm rebuilding a 3310 for a friend and want to clean up the outside of the carb to get it to look a little newer. The comm May 13, 2006 · It's time to clean out my carburetor, but I'm not really certain about the best method to clean air bleads (4150 series). Keeping a clean carburetor helps your machine work properly, prevents corrosion and saves the need for costly replacements. I just got done tanking everything and have it clean, but the body and especially the throat still have a lot of Part of periodic carburetor maintenance involves replacing the fuel filter (s). & Sat 9 a. When rebuilding Holley NH carburetors, there are three air passages that need to be cleaned. Want a cheep fix to make it run better. Here's an easy guide to setting their idle speed and fuel mixtu Nov 3, 2024 · Unlock your engine's potential with our comprehensive guide on adjusting vacuum secondaries in Holley carburetors. Sep 13, 2016 · Holley Carburetor: Part 2 of Idle Circuit Holley Carbs: How To's & Advice ,40 yrs of exp. Maybe some o Rest the carburetor on a repair stand to avoid damage to the throttle plates during the renew procedures. Understanding how to check the vacuum on a Holley carburetor is essential for maintaining peak performance and ensuring that your engine runs smoothly. Rebuilding a 0-4780 Holley double pumper carb. I was thinking maybe Eagle One etching mag cleaner? You put the stuff on a set of Westerns and they May 7, 2023 · How does a Holley carburetor work? The Holley carburetor is a four-barrel carburetor, meaning it has four individual barrels or venturis that supply fuel and air to the engine. If you have a Holley carburetor that needs a bit of love, here's a step-by-step guide on how to clean and rebuild it. Many specialty tools are available from Holley as well as popular aftermarket suppliers, such as Summit Racing and Jegs. Used a Vevor Ultrasonic cleaner 15L and Dawn dish soap for a eco friend Aug 18, 2022 · How To Clean A Carburetor Learning how to clean a car carburetor is easy. Step by Step Procedure installing a Fuel filter in a Holley Fuel Bowl. . Cleaning Tips Use How I clean a stuck needle valve in a carburetor. the florida humidity has taken it's toll and the linkages on it are rusty and the body itself has that white powdery stuff on it. check out my channel for more videos and be sure to show The Pine-Sol carburetor soak is a proven carb cleaning technique documented by many other creators BUT I wanted to see how it compared to an ultrasonic cleaner filled with Pine-sol. Keeping a clean carburetor helps your engine work properly, prevents corrosion and saves the need for costly replacements. I put all the disassembled parts into a clean paint can filled it with new “Mineral Spirits”, put the lid on it and let it sit for a few days. The carb in question is a proform 750 race series carburetor that was designed as an e85 carburetor. This video explains how the air bleed system works and how to oc 3 of 5 on rebuilding the Holley 4160 (List #1850 -10). A Holley carburetor is vital for your engine’s performance. I'm rebuilding a set of Holley 4160 Carburetors for a friends Rat Rod. com 1. Figure 1—Carburetor torque sequence (all Holley® carburetors) NOTE: With the engine turned off, have an assistant slowly press the accelerator pedal to the floor, while you watch the throttle for any sticking or binding. Installation and Adjustment Instructions CONGRATULATIONS on your purchase of Holley carburetor! We feel that you have purchased the finest performance carburetor manufactured today. Remove the throttle stud and nut from the original carburetor. I always spray my metering block The mechanical secondary carburetor is best on a lighter car with radical camshaft and a lower gear and manual transmission or on a car that is going to be used for racing purposes. Nov 3, 2003 · Holley 600 vacuum secondary carburetor (4160) doesn't have removable secondary jets It has a metering plate. If youve never rebuilt a holley before you may want to look at some of the books that are availible on the subject. Years ago, I made a rebuild video which was not great. n carburetor model sizes and fuel types. To begin, apply carburetor cleaner to all metal parts to eliminate carbon buildup, dirt, and grime, with special care on jets and tiny passages that often clog. I know how to build holleys but the problem I have had over the last week and costing me over a hundred dollars in metering blocks is getting crazy. That stuff is nasty nasty nasty to the eyes. Nov 15, 2017 · If the idle jet/circuit is really badly clogged, chances are the air/cleaner will just blow out the air pilot jet and not clean out the jet obstruction. Mar 12, 2025 · Learn how to clean a carburetor like a pro with 5 easy steps. Find all the details inside Kit Car Magazine. Too many people have no idea how jetting even works so this video is to A familiar carburetor comes back into the shop for a rebuild! Dad takes you through what needs to be done when a carburetor has a pile of fuel cell foam run Jul 25, 2024 · Upgrading to an Edelbrock carburetor is an excellent way to enhance your vehicle’s power and efficiency while ensuring reliability. to 6 p. Carburetors can be scary to some people. You haven't gotten there yet, but one tip I want to be sure gets pointed out is the safety glasses or goggles whenever you are using the carb cleaner (either the spray or the dunk style). On most Holley carburetors, the filters are located in a cavity inside the float bowls just behind the fuel May 21, 2015 · I'm needing to clean an expensive (and rare) Holley carb for a vintage muscle car. To clean a Holley carburetor, start by removing it from the engine and disassembling it. This process is NOT compatible with all carbs. Rebuilding a carb doesn't have to be hard, or complicated. A fuel system cleaner additive can be used to clean the inside of the carburetor by adding it to a full tank of gas. Here's the proper way to handle this basic task. Should you need information or parts assistance, please contact our Technical Support at 1-866-464-6553 or 1-270-781-9741, M-F, 8 a. The carburetor is where the fuel mixes with the air to be burnt. Various stand […] When Holley calibrates it's street oriented carburetors from the factory, they do it with the intention of the carb functioning properly on a high vacuum engine When you toss a choppy cam. To print a copy of this article or save a copy for reference please click on this link: Holley Filters PDF. This video will show what effects that the muriatic acid had on my carbs one year Holley, Edelbrock, Carter and Rochester carbs all have remarkably similar tuning procedures. Only at www. The air intake can dry out the gas in your carburetor Worked on a carb clean and rebuild.