Carter WCFB 4 Barrel Adjust Float - YouTube I. DISASSEMBLY. Enter Carb Number. The metering rods must be installed after the pump adjustment or when leaner than standard rods are installed. Turn knurled nut of gauge until finger on gauge just touches top of plunger shaft (A). Install the pump connector rod (D) in the outer hole, long stroke. The flat surface of the pump arm should be parallel to the straight edge. Float drop not set, or fuel pump pressure too low. Measure from toe B to air horn. The setups data is the same. You need to run wire down all small passages. The main body is partitioned into two compartments (primary and secondary), each containing a double pontoon float and lever assembly and a needle valve and seat. It needs about 4 lbs of pressure. We will contact you as soon as this product is available. Air Bled has the venturi tube pointing down into the bore. Carter 2 Barrel BBD Adjustments Mikes Carburetor 21.5K subscribers Subscribe 7.9K views 1 year ago In this video we are going to show you how to do the various adjustments on both the Air. All late model WCFB carburetors have three different length bowl cover screws. Holding the rods down and seated in the bottom (J), revolve metering rod arm until finger on arm contacts lip (K) of vacumeter link. 1957 Desoto Adventurer Loose Throttle Lever Rear Carburetor. The Carter WCFB, 4 barrel carburetor metering rods are used to meter the fuel getting into the carburetor bore. The single step rods were used on some of the price leader carburetors (i.e. With choke valve held closed and fast idle adjusting screw C, or fast idle adjusting tang, on high step of cam. Install the pump connector rod (D) in the outer hole, long stroke. The piston is brass and can be damaged very easily. They know their stuff and provide technical assistance and guides in both paper and video formats. As the accelerator is released and the primary throttle plates are closed to the idle position, the upward movement of the pump plunger and attached spring bracket exerts tension on the spring and tends to stabilize the float in a level position. The metering rod adjustment should be done after the pump adjustment. Adjusting the WCFB float level and float drop. There should now be 9/64 clearance between upper edge of choke valve and inner wall of air horn. WCFB | Carter Carburetors, Parts & Rebuild Kits They are staked in the hole. Carter WCFB 4 Barrel Accelerator Pump Circuit Carter BB Carburetor Assembly Part 1 of 2 Rochester Quadrajet Idle Tube Removal Tunning Rochestor Quadrajet 4 barrel Carburetor Mark Osborne. Because the float is maintained in a level position, needle valve bounce is minimized and excess fuel entry into the bowl is prevented. b. Back out throttle screw so that the throttle valve close completly. Will Carter introduced the world's first 4-barrel carburetor, the WCFB (Will Carter Four Barrel) which raised air-flow to unprecedented levels. The WCFB carburetor which came on some of the earliest Once engine speed gets high enough, the carburetor vacuum is strong enough to pull fuel through the main jet and the accelerator pump circuit is no longer used. One caveatits my impression that the float bowl is full because when I disconnect the fuel supply line from fuel pump (to card), it has pressure on the line. I have repeated multiple times with same results. Carter WCFB Archives - Mikes Carburetor Parts 1963-64 Studebaker Carter AFB 1962-1965 Chevrolet 327 and 409 engine carburetor manual 1958-1968 Lincoln carburetor manual AVS 1966 Chevrolet 327 and Marine Carter AVS carburetors BB Ball and Ball Single Barrel downdraft manual: 1939-60 Chrysler, Dodge, Plymouth Carter BB, BB1, BB1A and BB1D updraft Carter BB for IHC BBD Disassembly2. Watch on. Adjust idle screws D to produce a smooth idle of correct speed is obtained. Carter Carburetor Manual Float adjusted wrong check float level.Float leaking heat up some water and immerse the float. William C. Carter was born in Union City Tennessee in 1884. The main body is partitioned into two compartments (primary and secondary), each containing a double pontoon float and lever assembly and a needle valve and seat. Back out the throttle lever set screw (idle screw) to allow throttle valves to seat in the bores of the carburetor. Carter WCFB Specifications - Mikes Carburetor Parts Press down on vacuum piston link C until metering rods bottom in the carburetor body. Some have a coating to give it a better shelf life. We use a small bottle type of brush and spray silicon spray into the cylinder while we clean. Can't find the answer you're looking for. He only had 5-years of formal education and in 1909, he founded the Carter Carburetor Manufacturing Co in St. Louis. 19571958 Plymouth Fury Carter WCFB Carburetor *Remanufactured | eBay Carter WCFB Adjustments Metering Rod Adjustment Back out throttle screw so that the throttle valve close completly. Check throttle linkage to make sure that primary throttle valves come to full wide open position. Using the exploded view on reverse side as a guide, disassemble the carburetor far enough to permit thorough cleaning and inspec tion o! Carter WCFB Accelerator Pump - Mikes Carburetor Parts 5:04. Must be made after fast idle adjustment. Gasket between bowl and base is installed backwards (easy to do). Blow through the intake check passage to be sure the passage is open. Can't find the answer you're looking for? Could the float bowl actually be the problem? Measure from center top surface of pontoons to air horn. Notice holes from which linkage rods are removed so they can They need to be centered in the bowl.Fuel could be leaking around the needle & seat. If the fuel bowl is not filling up enough to fill the pump well, then look at a sticking float needle. When replacing them hold them tight against the wall while tightening the screw. Carter WCFB 4 Barrel Carburetor Rebuild - YouTube The float lifter spring also provides better float and fuel level stability when operating on rough, washboard type roads.A balance passage connects the primary and secondary float chambers to provide fuel level control when the vehicle is accelerating, stopping, or rounding curves. Carter WCFB 4 Barrel Carburetor Float System. but if it runs well you don't really need to make any adjustments. It needs to go up and down easily.Is there aspringunder the power piston?Are the venturi cluster gaskets sitting flat and not curled over? Eckler's Premier Quality Products 57132129 Chevy Carburetor Rebuild Kit Carter WCFB Replacement Kit Includes All Gaskets, Seals, Check Balls, Springs, Accelerator Pump & Needle Valve Read more CARTER 4 Barrel WCFB DUAL CARBURETOR KITS & FUEL FILTERS 1961-65 CHEVROLET 1955-56 DESOTO April 18, 2018 Carter Carburetors Rebuild Kits Reinstall carburetor, align and readjust inter connecting rod to manufacturers specifications. Please complete the fields below to send your friend a link to this product. Adjusting the WCFB Metering Rods The Carter WCFB, 4 barrel carburetor metering rods are used to meter the fuel getting into the carburetor bore. You are flooding (getting too much gas in the float bowl), caused by these types of problems. When adjusting the screws doesn't change the RPM then it means there is a problem with either the air, or the amount of fuel. Test the floats in hot water and if you get any bubbles then they are leaking. Carter WCFB 4 Barrel Carburetor This is an electronic rebuild manual, no physical copy will be provided. 1952 Carter WCFBsetting idle - Discussion Forums The adjustment of the pump is important in order to get the required fuel. features a Carter carburetor identification page and a function that allows you to conduct a search by entering an identification number Factory Carter AFB CFM Ratings Chart Rebuild pics The April 15th, 2019 - The carbs with 1 1 4 venturies and 1 7 16 primary bores and 1 11 16 THE CARBURETOR SHOP / Carter carburetor special tools (note) The metering rods will fit into the jets loosely. Seat the discharge check by tapping lightly in the hole to form a good seal. At idle you are at maximum vacuum which makes the metering rods drop down into the main jets. The best-selling product Click now to browse 1957 LINCOLN ACCELERATOR PUMP CARTER WCFB FLUORELASTOMER CUP ETHANOL RESITANTIS we ship worldwide cch-rc.com, C $45.04 Free shipping for many products Find many great new & used options and get the best deals for 1957 LINCOLN ACCELERATOR PUMP CARTER WCFB FLUORELASTOMER CUP ETHANOL RESITANTIS at the . This restricts the flow of fuel. Carter WCFB Carburetor Troubleshooting The Carter WCFB and AFB designs fit easily beneath the low profile C1 and C2 hoods. You cannot go wrong with Mikes carburetor in any way. Adjust by bending arm (J) on choke trip lever. Carter WCFB 4 Barrel Carburetor Float System Adjusting the WCFB float level and float drop. Includes theory, diagrams, detailed specifications, tune-up data and complete overhaul procedures. Carter WCFB Metering Rods 4,292 views Jul 15, 2018 28 Dislike Share Save Mikes Carburetor 18.7K subscribers https://www.carburetor-part.com is providing this video about the Carter WCFB 4. If the secondary throttle plate is staying open, then check the primary shaft dog and spring. I have a 1952 Buick Roadmaster and just rebuilt the Carter WCFB carb, and I'm setting the idle according to the factory manual. Free shipping for many products! As the accelerator is released and the primary throttle plates are closed to the idle position, the upward movement of the pump plunger and attached spring bracket exerts tension on the spring and tends to stabilize the float in a level position. When closing the throttle, the accelerator moves up in the pump well. It isn't unusual for the vacuum piston on the WCFB to become frozen in the cylinder where it resides. To prevent fuel from being drawn through the pump circuit, the passage to the pump jets is vented by a cross passage to the carburetor bowl above the fuel level. Can't find the answer you're looking for? Recheck float adjustments. This E-manual is pictured with the Carter WCFB carburetor with the upper auto choke. Be careful when removing the top of the carburetor that you don't force things and break the piston lever. Check your auto manual for the spec, but somewhere around 4-5 lbs would be good.Be sure the power piston is not frozen in one position. THE CARBURETOR SHOP / WCFB and 4-GC floats Shorter and smaller overall than the 4GC Rochester, the WCFB was the right choice for dual-quads on a compact . Each size must be used in its own location. Ideas?? Gasket removed as shown A. Make sure the pontoons are centered and will not rub the bowl sides. As for the pump not squirting.I suspect the pump well isnt filling up. Rochester and Carter replacement parts are interchangeable. Tyler's Forgotten Car Rescue 22,933 views. Press down on the vacummeter link (H) until the metering rods bottom in the carburetor body (J). Back off the idle screw so that the throttle plates close completely. The ends of the connector rod should point to the throttle arm side. Check the low speed jets to make sure they are clear (#44). The cfm of the Carter WCFB four-barrel carburetor is approximately 400. This eliminates any bog or hesitation when acceleration. The mixture screw may be bent, or damaged. Complete service manual: Comprehensive factory service information (341 pages) for the Carter WCFB carburetor. Once you get the piston out, clean, Carter WCFB Vacuum Piston the cylinder so that the piston move very free up and down. Carter WCFB 4 Barrel Adjust Float. Your friend will receive an email from you with a link to our site. WCFB Carburetor Cutting Out on Left Hand Turn. Ethanol gas does not have much if any lubrication. PDF Carter Carb Identification Chart - annualreport.psg.fr With throttle valves seated in bores, dust cover and gasket in place. Adjust by bending throttle connector rod at deepest angle as shown. 1956 Chevrolet Corvette & Super Power Kit Engine Idle Speed, Idle Mixture and Throttle Linkage Adjustment Procedure. Refer to the Adjustment Data Table for adjustment dimensions. Clogged idle tube, or passages in the idle circuit. BBS) and were basically an on/off condition similar to the function of a power valve. Ethanol leaves deposits behind that acts like corrosion. Carburetors equipped with an adjustable bowl vent require adjustment. To correct, remove carburetor and turn it upside down. Access our free Idle Speed and Mixture Repair Guide for Chevrolet Corvette 1963-1982 through AutoZone Rewards. They sometimes need trimming. Buy REMANUFACTURED CARTER WCFB CARBURETOR 3696S For 1958-1965 Chevrolet Corvette 327 348: Carburetors . 1955 Chevy Hard starting after flooding. Fig. Hold air horn upside down with floats in place and gasket removed. Contact Us Home Blog FAQ's Technical Help My Account LoginRegister Examples of Carb Numbers search 0$0 Carburetor Parts by Make & Model Scroll to see more Aero Coach Carburetor Parts Alfa Romeo American Bantam American General American LaFrance American Motors Nash Rambler Auburn Audi Blow air through the main discharge to make sure the passage is clear all the way to the pump well. When done you should see very little daylight around the valve. Other 4 barrel carburetors such as the Carter AVS, Carter TQ, Rochester 4GC, and Rochester Q-Jet have a tensioned secondary spring. Adjust by bending unloader lip on throttle shaft lever. Solid fuel has the 2 tubes pointing up. You can also check the adjustment by measuring (F) which should be 18/64. A balance passage connects the primary and secondary float chambers to provide fuel level control when the vehicle is accelerating, stopping, or rounding curves. Correct by removing any burrs or nicks. If adjustment is required, remove dust cover and bend arm that operates the vent mechanism. Carter WGD Adjustments Float Level With bowl cover assembly inverted and float resting on pin in seated needle, and with gasket removed, the distance from the bowl cover to the top of float should be 7/64. How to clean the Jeep Carter BBD carb Idle jets - Duration: 7:14. They are not meant to fill the hole, only to restrict it. The adjustment of the pump is important in order to get the required fuel. Fig. The all-aluminum AFB (Aluminum Four Barrel) was a big innovation in 1957, and lives on today under the Edelbrock name. The idle mixture screws adjust the amount of air/fuel mixture that goes up to the venturi at idle. With choke valve held tightly closed, take slack out of linkage and tighten clamp screw on choke lever. 1955 Cadillac Idle Air Mixture Circuit WCFB Carburetor Cutting Out on Left Hand Turn See figure 9F-2. Disassembly2. Carter WCFB Parts Page - carburetion.com WCFB carburetors, althqugh basically all units are allke. How Do You Look up Carter Carburetor ID Numbers Online? - Reference.com I have taken this carb a part and rechecked floats adjustments and blown out passages with compressed air thank you. a. Ultra-Sonic Cleaning3. Use a brass drift punch. The bowl vent is used to vent the float bowl, otherwise a siphoning of the gas can occur. Adjust by bending throttle connector rod at upper angle (B). Fuel enters the primary side of the carburetor through a strainer screen at the fuel inlet and is directed to the primary needle valve and seat. Make sure the air cleaner gasket does not block the bowl vents. The fuel is also conducted through a passage in the air horn to the secondary needle seat. DO NOT apply any pressure on the needle. Carter Carburetor Identification - Carburetor kits, parts and manuals In my repeated attempts to get the accelerator valve to pump, the car has run for several minutes combinedplenty of time to get the float bowl full. Outside top of early Carter tool box with correct decal. Quick test to see if the accelerator pump is working. Make sure the air horn contacts the inner wall of the bowl. The Carter AFB uses weights, and therefore never goes out of adjustment. The well should fill with fluid. This is caused by side strain on throttle lever due to misalignment and maladjustment of the carburetor interconnection rod. A stand pipe is provided at both needle seats as an additional trap for foreign material that might prevent the needle valves from seating properly. Carter WCFB 4 Barrel Metering Rod - Mikes Carburetor Parts A stand pipe is provided at both needle seats as an additional trap for foreign material that might prevent the needle valves from seating properly. cm448 Carter WCFB Carburetor Manual - carbkitsource.com A bushing (sorry dont have size) can be permanently installed in the choke vacuum passage in main body casting provides a more positive seal at this point, and prevents fuel from leaking into this passage on left turns and stalling the engine because of too rich a mixture. It's highlighted yellow and will look something like this. When the engine gets hot and then is shut off, gas can sometimes overheat and then boil. intro Carter WCFB 4 Barrel Carburetor Rebuild Mikes Carburetor 21.5K subscribers Subscribe 51 Share 3.1K views 9 months ago Disassemble & assemble your Carter WCFB 4 barrel. See figure 9F-2.A float lifter spring, which is connected to the lever arm of the primary float and to a bracket on the accelerator pump plunger, is incorporated to stabilize primary bowl fuel level and prevent float bounce upon sudden stops, or on rough roads (these springs are nowhere to be found). Product information . Carter Metering Rod Technology - THE CARBURETOR SHOP Rotate screw C, or bend tang, until throttle valves are open the distance listed in, With throttle valves held wide open, there should be a clearance between upper edge of choke valve and the inner wall of air horn (. *New Float6. Can't find the answer you're looking for? Hold a straight edge across top of dust cover housing, next to the pump arm. Carter WCFB Carburetor E-Manual Download eWCFB, The file is in PDF format, you can download and save/print a copy, FREE to our customers that buy a rebuild kit. Fuel enters the primary side of the carburetor through a strainer screen at the fuel inlet and is directed to the primary needle valve and seat. If a loss of rpm is noted, or if the engine dies, and air leak exists. Rebuilding Carter BBD carburetor part 3 - Duration: 5:04. 1955 Pontiac - Loading or Carburetor Flooding Servicing The Rochester Quadrajet Carburetor - MotorTrend Everyone Has Started an Engine in the . Hold air horn upright with floats hanging. With mineral spirits in the float bowl, Raise the pump. Note te larger box, and the number of additional tools from the 1935 set. This is an electronic rebuild manual, no physical copy will be provided. Place the choke housing toward the left and remove upper right main body to throttle body screw. The main body is partitioned into two compartments (primary and secondary), each containing a double pontoon float and lever assembly and a needle valve and seat. Be sure these ports are clear. Recheck unloader settings with carburetor on the engine. Older kits 30-70s. WCFB 4 Barrel Carburetor Float Adjustment 41-108N Carter 2818S Carter 3059S What Has Been Done to This Carburetor?1. With rods held in this position, revolve metering rod arm (F) until lip contacts vacumeter link. Look for breaks in the new gasket, or cracks around the threaded area.The needle could have been damaged while adjusting the floats. *New Airhorn Gasket7. While holding the parts as indicated above, rotate the metering rod arm B until the finger on the arm at D contacts the lug on the vacuum piston link C. Primary & secondary float will probably have different measurements. Carter WCFB 4 Barrel Carburetor Float System. How To Replace the Carter WCFB 4 Barrel Fast Idle Spring? There should be a retainer keeping the check ball in place. Inspiration for this arrangement was provided by the federal government through its exhaust emissions regulations. One of the butterflies is open about 1/8 with the carburetor dis assembled. The Carter WCFB carburetors have a square-ish body with a rectangular air horn that protrudes above the air. The most complete document I have found. Can't find the answer you're looking for? Carter WCFB 4 Barrel Carburetor Float System At idle you are at maximum vacuum which makes the metering rods drop down into the main jets. With the thermostatic coil housing gasket and baffle plate removed, crack throttle valve and hold choke valve closed. Fast, secure e-book download. The item you are trying to purchase is currently out of stock.Please enter your name, email, and phone number below. *New Accelerator Pump5. In this video I show you how to replace the fast idle spring on the WCFB carburetor. The correct way is to use a fuel pump pressure gauge. parts. 2: Carter AFB idle mixture and speed adjustment screws. Each float on the float assembly should be at the same height and centered so that they dont rub the side of the float bowl. In this video we are going to show you how to do the various adjustments on both the Air Bled and the Solid Fuel type of BBD carburetors. Change the choke setting to index. If not then clean it and try again. cm448. Make sure the pump relief check is clean. Carter WCFB, 4 barrel carburetor manual. THE CARBURETOR SHOP / Troubleshooting The balance passage also tends to prevent flooding in the event one of the needles should temporarily become stuck open by maintaining equal fuel level between the two float chambers. Founded by William Carter in 1909, the Carter Carburetor Company produced units such as the AVS, AFB and 385-CFM WCFB for dozens of years. Coat threads of screw with sealing compound and install it. Fuel enters the primary side of the carburetor through a strainer screen at the fuel inlet and is directed to the primary needle valve and . Download was not the correct rebuild instructions for my WCFB carburetor, and the correct version was not available. Carter WCFB Metering Rods - YouTube With engine running, check for an air leak at front left corner of carburetor between throttle body and bowl by squirting carb cleaner at this point. These diagrams include: Fig. How to Modify a Carter or Edelbrock Carburetor - Muscle Car DIY A fuel pump cannot be tested by unhooking the line and seeing if gas comes out. Carter WCFB Metering Rods - carburetor-parts.com The suction along with the fuel weight pulls fuel through the intake check via the passage to the fuel bowl. It should not be opened up. During high speed operation a vacuum exists at the pump jets. 1956 Plymouth, Powerflite Transmission Dashpot, 1955 Pontiac Loading or Carburetor Flooding, 1956 Pontiac Hard Starting, Partially Warm Engine. If not, then find the check ball and make sure it is loose. GM Corvette 1963-1982 Idle Speed and Mixture Repair Guide The discharge check is seated at this time to prevent air being drawn into the pump well. This is percolation. I rebuilt a Carter WCFB carburetor with the lower auto choke setup. Rotate throttle stop screw E until engine idle at approx 500 RPM. A float lifter spring, which is connected to the lever arm of the primary float and to a bracket on the accelerator pump plunger, is incorporated to stabilize primary bowl fuel level and prevent float bounce upon sudden stops, or on rough roads (these springs are nowhere to be found). Hold throttle valve wide open and close choke valve as far as possible without forcing. Also make sure one isnt rubbing on the side. Maximum float buoyancy is generally accomplished when the float pontoons are at a 90-degree angle to the fuel valve. building a wcfb 2x4 setup | Hot Rod Forum Carter built the first successful 4 barrel carburetor, the WCFB (Will Carter Four Barrel) which first appeared in 1953 on Buick cars. With choke valve tightly closed, tighten fast idle adjusting screw (K) (on high step of cam) until there is the clearance as listed on carburetor specification page between throttle valve and bore of carburetor, side opposite idle port. As the spring fatigues, the air valve will open too soon, creating an instantaneous lean condition, and a bog. Someone has installed it improperly. This can be done by looking at the impression on bowl cover gasket. When looking to replace your metering rod keep in mind that Carter used several different lengths of rods in the WCFB. Secondarys are somehow stuck open (which amounts to a vacuum leak). Metering rods for the WCFB have been out of production for several years now. Watch this. Good quality print. Adjust by bending the connector rod at the lower bend (E). Gasket removed. Measure float height as illustrated above. The carburetor will flood. Carter WCFB Rebuild Kit Selection Carter WCFB Build Sheets Carter WCFB Adjustments Carter WCFB 4 Barrel Carburetor Float System Carter WCFB Accelerator Pump BY CARB TYPE GENERAL TROUBLESHOOTING FAQs INJECTORS PURCHASE PARTS MANUALS BLOG When that is the case, I bend the accel. Though fuel float bowl full, cant get gas into the accelerator pump chamber of the carb. Home - Carburetor Manual Ebooks The accelerator pump circuit resides on the primary side of. Carter WCFB Adjustments - Mikes Carburetor Parts It will be very helpful as I try to improve my performance and emissions of my 57 Corvette street machine. Place the choke housing toward the left and remove upper right main body to throttle body screw. Adjust by bending lip of float, not float arm. Blowing out passages will not get them clean enough. 1956 Plymouth, Powerflite Transmission - Dashpot The dashpot has been eliminated. You may even have to resort to finding a used WCFB carburetor. *New Main Body Gasket8. What Has Been Done to This Carburetor?1. Probably not since only one butterfly is open. This box did not have a part number. Should You Build Your Own Carter Carburetor? - Carb-O - MotorTrend The accelerator pump is used to provide an extra squirt of fuel when you step on the gas. Coat threads of screw with sealing compound and install it. Can't find the answer you're looking for? You should feel some pressure and fluid should not be bypassing the check needle. Can fill the accelerator chamber with a syringe (through top open passages of forward barrels where choke butterfly is) and the jets will spray gas into forward chambers (and will idle and accelerate for about 15 seconds)but when that gas is depleted, the spraying stops. Carter WCFB, 4 barrel metering rod adjustment instructions. There should now be .018 .023 clearance between throttle valve and bore of carburetor (side opposite idle port).
