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 (. The carburetor will flood. Some have a coating to give it a better shelf life. Find many great new & used options and get the best deals for 19571958 Plymouth Fury Carter WCFB Carburetor *Remanufactured at the best online prices at eBay! Air Bled has the venturi tube pointing down into the bore. Secondarys are somehow stuck open (which amounts to a vacuum leak). Ethanol leaves deposits behind that acts like corrosion. Adjusting the WCFB float level and float drop. Check the low speed jets to make sure they are clear (#44). Anti-Rust "Dichromate" Finish**4. 19591961 Chevrolet Carter WCFB Carburetor All These Part Numbers Interchange Into Our Part No. The download link will expire in 30 days. Add a couple drops of oil to the leather. When that is the case, I bend the accel. Check throttle linkage to make sure that primary throttle valves come to full wide open position. 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 . Make sure manifold heat control valve is free. Notice holes from which linkage rods are removed so they can At idle you are at maximum vacuum which makes the metering rods drop down into the main jets. 41-108N Carter 2818S Carter 3059S What Has Been Done to This Carburetor?1. Your friend will receive an email from you with a link to our site. The adjustment of the pump is important in order to get the required fuel. The flat on top of the pump arm should be parallel to the straight edge. 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. Master Technician Tool Set (early, circa 1935, for 1923~1935 Carter carburetors all makes - most tools then current) Carter Master Technician Tool Set about 1951. If the secondary throttle plate is staying open, then check the primary shaft dog and spring. We will contact you as soon as this product is available. Other than that, great company to deal with. There should now be .018 .023 clearance between throttle valve and bore of carburetor (side opposite idle port). Do not depress float lip against spring in needle, but let float rest of its own weight. Adjust idle screws D to produce a smooth idle of correct speed is obtained. The bowl vent is used to vent the float bowl, otherwise a siphoning of the gas can occur. Adjusting the WCFB float level & float drop: 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. This eliminates any bog or hesitation when acceleration. The setups data is the same. If a loss of rpm is noted, or if the engine dies, and air leak exists. Place the choke housing toward the left and remove upper right main body to throttle body screw. They are not meant to fill the hole, only to restrict it. 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. Holding the rods down and seated in the bottom (J), revolve metering rod arm until finger on arm contacts lip (K) of vacumeter link. He only had 5-years of formal education and in 1909, he founded the Carter Carburetor Manufacturing Co in St. Louis. I have taken this carb a part and rechecked floats adjustments and blown out passages with compressed air thank you. Back out throttle stop screw until throttle valves seat in bores. They know their stuff and provide technical assistance and guides in both paper and video formats. The accelerator pump circuit resides on the primary side of. 1957 Desoto Adventurer Loose Throttle Lever Rear Carburetor. Adjust by bending lip of float, not float arm. *New Main Body Gasket8. Look for breaks in the new gasket, or cracks around the threaded area.The needle could have been damaged while adjusting the floats. Procedure is as follows: with the throttle lever set screw backed out and throttle valves seated in bores of carburetor, press down on vacumeter link (D) until metering rods bottom at (E). Carter WCFB 4 Barrel Accelerator Pump Circuit 3,951 views Jul 13, 2018 33 Dislike Share Mikes Carburetor 20K subscribers https://www.carburetor-parts.com is providing this video about how the. This can be done by looking at the impression on bowl cover gasket. Adjust by bending arm (J) on choke trip lever. 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). New fuel pumps are especially suspect. Did the old gasket get removed? As for the pump not squirting.I suspect the pump well isnt filling up. These manuals contain specifications, parts lists and instructions.The manuals can also be used to help identify those carburetors without tags. Ideas?? They need to be centered in the bowl.Fuel could be leaking around the needle & seat. 1956 Plymouth, Powerflite Transmission Dashpot, 1955 Pontiac Loading or Carburetor Flooding, 1956 Pontiac Hard Starting, Partially Warm Engine. No metering rod gauges are necessary. You cannot go wrong with Mikes carburetor in any way. How to Adjust a Carter BBD 2 Barrel | It Still Runs The Carter carburetor has been around for a very long time. Can't find the answer you're looking for? They work fine when I push hard down on the piston. 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 Probably not since only one butterfly is open. Adjust by bending lip of float, not float arm. 60 pages of great info. 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). Carter WCFB Accelerator Pump Quick test to see if the accelerator pump is working. The correct way is to use a fuel pump pressure gauge. 57-65 WCFB 1 x 4 carb - Cover only no spring or spring plate CUD3741 $ 4.99 Gasket - Base WCFB 4GC G402 $ 4.95 Flange Gasket G1164 $ 4.95 WCFB Air Cleaner Gasket . *New Float6. cm448. The download link can be found on your order confirmation email which you will receive as soon as you complete the order. This check prevents excessive pressure in the discharge passage during acceleration. Good quality print. Carter WCFB Accelerator Pump Adjustment The accelerator pump is used to provide an extra squirt of fuel when you step on the gas. Piston force is too much for linkage. The float lifter spring also provides better float and fuel level stability when operating on rough, washboard type roads. Back off the idle screw so that the throttle plates close completely. Gasket removed as shown A. This is percolation. With rods held in this position, revolve metering rod arm (F) until lip contacts vacumeter link. This is an electronic rebuild manual, no physical copy will be provided. Carter WCFB 4 Barrel Carburetor Float System Adjusting the WCFB float level and float drop. Then close throttle. 2: Carter AFB idle mixture and speed adjustment screws. Float adjusted wrong check float level.Float leaking heat up some water and immerse the float. Make sure the air horn contacts the inner wall of the bowl. FREE to our customers that buy a rebuild kit. When the piston is frozen you may have to drill a small hole in the bottom of the float bowl, just under the piston and hammer it out. 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. Carter WCFB, 4 barrel metering rod adjustment instructions. Install the pump connector rod (D) in the outer hole, long stroke. 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 Product information . The distance from the dust cover boss to the top of the plunger shaft should be 1/2 inch (distance from base to tip of finger on gauge) (C). Can't find the answer you're looking for? The Carter WCFB carburetors have a square-ish body with a rectangular air horn that protrudes above the air. 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. There should now be 9/64 clearance between upper edge of choke valve and inner wall of air horn. Back out throttle screw so that the throttle valve close completly. Hold air horn upside down with floats in place and gasket removed. All late model WCFB carburetors have three different length bowl cover screws. At idle you are at maximum vacuum which makes the metering rods drop down into the main jets. 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. 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. Other 4 barrel carburetors such as the Carter AVS, Carter TQ, Rochester 4GC, and Rochester Q-Jet have a tensioned secondary spring. This spring is a bit complicated so this video will be very helpful when you change your spring.Find this WCFB spring here: https://www.carburetor-parts.com/wcfb-66d400.htmlFind WCFB parts here:https://www.carburetor-parts.com/wcfb-partscontents:00:0000:42 removing fast idle cam assembly00:56 taking the assembly apart piece by piece01:07 removing the old spring01:22 installing spring02:15 which direction does the pieces go?02:38 assembling the pieces03:16 installing the cam assembly onto the carburetor Back out throttle lever set screw until throttle valves seat in bores of carburetor. Blow through the intake check passage to be sure the passage is open. Test the needle by holding it down gently with a brass drift punch. The fuel is also conducted through a passage in the air horn to the secondary needle seat. 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. This is caused by side strain on throttle lever due to misalignment and maladjustment of the carburetor interconnection rod. Please complete the fields below to send your friend a link to this product. Quick test to see if the accelerator pump is working. Everyone Has Started an Engine in the . Access our free Idle Speed and Mixture Repair Guide for Chevrolet Corvette 1963-1982 through AutoZone Rewards. The lower edge of vent valve cap should be raised above surface of dust cover the distance listed in the. The suction along with the fuel weight pulls fuel through the intake check via the passage to the fuel bowl. Press down on vacuum piston link C until metering rods bottom in the carburetor body. The item you are trying to purchase is currently out of stock.Please enter your name, email, and phone number below. Adjust by bending throttle connector rod at upper angle (B). Carter WCFB Build Sheets Carter WCFB Fast Idle With carburetor installed and engine warmed up. During high speed operation a vacuum exists at the pump jets. 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. I. DISASSEMBLY. Make sure the pontoons are centered and will not rub the bowl sides. 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 . 1956 Chevrolet Corvette & Super Power Kit Engine Idle Speed, Idle Mixture and Throttle Linkage Adjustment Procedure. 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. Manufacturer CARTER : Brand CARTER WCFB : Model Carter 4 BBL WCFB : Item Weight 12 pounds : Country of Origin USA . With choke valve held closed and fast idle adjusting screw C, or fast idle adjusting tang, on high step of cam. How to clean the Jeep Carter BBD carb Idle jets - Duration: 7:14. If the fuel bowl is not filling up enough to fill the pump well, then look at a sticking float needle. There should be a retainer keeping the check ball in place. Rotate throttle stop screw E until engine idle at approx 500 RPM. From my experience it is the most complete and comprehensive source for all things carburetor, encompassing a massive spectrum of makes models and applications. Correct by removing any burrs or nicks. 1955 Chevy Hard starting after flooding. Use a brass drift punch. 41-98N Carter 2366S Carter 2505S Carter 2555S Carter 2655S Carter 2669S. 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. Carter WCFB 4 Barrel Adjust Float. Seat the intake check by tapping lightly in the hole to form a good seal. Test the fuel pump to be sure it isnt putting out too much pressure. 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. a. Watch on. 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 manual says to back out the throttle stop screw and hold the fast idle cam in the "choke open" position, then screw in the throttle stop screw until it just contacts the throttle lever arm, then give it another full turn. Adjust by bending the choke connector rod at lower angle (H). Gasket between bowl and base is installed backwards (easy to do). Run a blunt object around the inside of the leather cup to make sure any coating is broken. Back out the throttle lever set screw (idle screw) to allow throttle valves to seat in the bores of the carburetor. Both valves should be closed. The accelerator pump circuit resides on the primary side of this carburetor. It isn't unusual for the vacuum piston on the WCFB to become frozen in the cylinder where it resides. Rebuilding Carter BBD carburetor part 3 - Duration: 5:04. Make sure there is a check needle below the main discharge. Hold a straight edge across top of dust cover housing, next to the pump arm. Can't find the answer you're looking for? 1st check to make sure the fast idle linkage isnt holding the valves open. Two ports act as calibrated air bleeds. *New Airhorn Gasket7. The ends of the connector rod should point to the throttle arm side. Disassembly2. The flat surface of the pump arm should be parallel to the straight edge. As the throttle is opened the pump moves down the pump well forcing the intake check closed and forcing fuel out the main discharge. On 1956 models one point rich. Solid fuel has the 2 tubes pointing up. Be careful when removing the top of the carburetor that you don't force things and break the piston lever. Fig. Metering rods for the WCFB have been out of production for several years now. The metering rods must be installed after the pump adjustment or when leaner than standard rods are installed. 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. Check to see that slots in air cleaner gasket line up with vent tubes and do not rotate gasket during installation of air cleaner. WCFB Carburetor Cutting Out on Left Hand Turn. A WGD usually has a pump arm like that of a WCFB (IIRC). Both Carter and Rochester engineers determined that, on some applications, the float level in the primary side of the carburetor should be different than in the secondary side of the carburetor. 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. The fuel is also conducted through a passage in the air horn to the secondary needle seat. I rebuilt a Carter WCFB carburetor with the lower auto choke setup. You will need to check your motors manual for the spec, but around 4 or 5 should be plenty. Aspringis inserted in the power piston hole, then the piston. Free shipping for many products! Carter WCFB Adjustments Metering Rod Adjustment Back out throttle screw so that the throttle valve close completly. Clogged idle tube, or passages in the idle circuit. They sometimes need trimming. The file is in PDF format, you can download and save/print a copy. Carter WCFB 4 Barrel Adjust Float Mikes Carburetor 21.4K subscribers 5.5K views 4 years ago https://www.carburetor-parts.com is providing this video about adjusting the float level and. When Quadrajet carburetors have Carter's basic four-digit identification number before the letter S, the carburetors are aftermarket replacements. One is in the secondary venturi and the other just above the throttle plate. Float drop not set, or fuel pump pressure too low. Note te larger box, and the number of additional tools from the 1935 set. With throttle valves seated in bores, dust cover and gasket in place. Blow air through the main discharge to make sure the passage is clear all the way to the pump well. Also check for overheating of the engine, fuel lines too close to the manifold, or too much heat in the engine department. Some models have a pump relief check in the bottom of the fuel bowl. Adjust by bending throttle connector rod at deepest angle as shown. One of the butterflies is open about 1/8 with the carburetor dis assembled. Carburetors equipped with an adjustable bowl vent require adjustment. Carter WCFB 4 Barrel Carburetor Float System. Must be made after fast idle adjustment. Carter built the first successful 4 barrel carburetor, the WCFB (Will Carter Four Barrel) which first appeared in 1953 on Buick cars. Take the top off and put the pump in the well all the way to the bottom. 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. Enter Carb Number. They are staked in the hole. When closing the throttle, the accelerator moves up in the pump well. Someone has installed it improperly. Ultra-Sonic Cleaning3. The most complete document I have found. When done you should see very little daylight around the valve. 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. If not, then find the check ball and make sure it is loose. When replacing them hold them tight against the wall while tightening the screw. 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. Each size must be used in its own location. This allows air instead of fuel to be drawn off the pump jets. To correct, remove carburetor and turn it upside down. Can't find the answer you're looking for? It should not be opened up. You may even have to resort to finding a used WCFB carburetor. 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. The all-aluminum AFB (Aluminum Four Barrel) was a big innovation in 1957, and lives on today under the Edelbrock name. Be sure these ports are clear. Carter used metering rods with a single step, 2-step, 3-step, and 4-step. 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. 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 mixture screw may be bent, or damaged. Why Doesn't Adjusting Idle Mixture Screws Make any Difference? Carter WCFB Rebuild kits: Rebuild Kits. Watch this. Outside top of early Carter tool box with correct decal. With choke valve held tightly closed, take slack out of linkage and tighten clamp screw on choke lever. With the thermostatic coil housing gasket and baffle plate removed, crack throttle valve and hold choke valve closed. Adjust by bending unloader lip on throttle shaft lever. I purchased from you a rebuild kit for Carter WCFB 4 barrel carb on my 1955 Chev. Sometimes scraping around the edges with an awl will remove the staking. 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. This restricts the flow of fuel. 5:04. Adjust by bending the connector rod at the lower bend (E). Shorter and smaller overall than the 4GC Rochester, the WCFB was the right choice for dual-quads on a compact . You need to run wire down all small passages. . 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. 1955 Pontiac - Loading or Carburetor Flooding Place the choke housing toward the left and remove upper right main body to throttle body screw. The discharge check is seated at this time to prevent air being drawn into the pump well. 3: Holley 4150 idle mixture and speed adjustment screws. DO NOT apply any pressure on the needle. What Has Been Done to This Carburetor?1. Hold in place and carefully tighten metering rod arm set screw (G). Kit looked complete but I ordered the wrong one based on the pump and of course with it being opened, it cannot be returned. Hold throttle valve wide open and close choke valve as far as possible without forcing. Put some fluid in theaccelerator pumpwell and press down on the pump. Fig. What more could you ask for? 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. When I slow down to an idle, my engine runs rough. Examine the viton tip for any marks.Fuel pump pressure could be too high. Measure from toe B to air horn. Maximum float buoyancy is generally accomplished when the float pontoons are at a 90-degree angle to the fuel valve. Adjusting the WCFB Metering Rods The Carter WCFB, 4 barrel carburetor metering rods are used to meter the fuel getting into the carburetor bore. Any bubbles indicates a leak.Make sure the 2 floats are the same height. Carter WCFB 4 Barrel Carburetor Float System, Engine wont idle, or dies after the choke is opened, or runs better when choke closed. With mineral spirits in the float bowl, Raise the pump. See figure 9F-2. Test the floats in hot water and if you get any bubbles then they are leaking. However, it is very similar and I found it very useful. Readjust dashpot plunger to move 1/16 inch on closing of throttle valves. Make sure the ball rattles. parts. Inspiration for this arrangement was provided by the federal government through its exhaust emissions regulations. Turn knurled nut of gauge until finger on gauge just touches top of plunger shaft (A). 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. Carter WCFB Carburetor Catalog Free WCFB Carburetor Manuals These manuals contain specifications, parts lists and instructions.The manuals can also be used to help identify those carburetors without tags. The Solid fuel is the later models BBDContents:00:00 intro00:34 air bled adjustments00:37 air bled float setting01:03 air bled fast idle type I01:25 air bled fast idle type II01:42 air bled fast idle type III01:58 air bled unloader02:24 air bled choke vacuum kick03:01 air bled automatic choke03:16 air bled pump04:08 air bled dashpot04:27 air bled idle speed \u0026 mixture04:58 air bled emission carburetors idle mixture06:00 air bled limiter cap06:36 solid fuel adjustments06:40 solid fuel float setting07:03 solid fuel metering rod07:27 solid fuel accelerator pump07:55 solid fuel bowl vent08:18 solid fuel fast idle cam08:43 solid fuel choke pull-off09:12 solid fuel automatic choke09:24 solid fuel egr dump valve09:46 solid fuel unloader10:08 solid fuel high altitude10:28 solid fuel idle speed \u0026 mixture12:11 solid fuel Limiter cap12:37 solid fuel fst idle12:51 solid fuel throttle positioner13:56 solid fuel vacuum throttle positioner14:31 solid fuel sol-vac15:04 solid fuel dashpot15:28 solid fuel transducer 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. Ultra-Sonic Cleaning3. The Carter WCFB, 4 barrel carburetor metering rods are used to meter the fuel getting into the carburetor bore. 1955 Cadillac Idle Air Mixture Circuit WCFB Carburetor Cutting Out on Left Hand Turn 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. Can't find the answer you're looking for? Gasket removed. Readjust idle to 500 RPM and fast idle to 1200 RPM On 1955 models set choke two points lean. The piston is brass and can be damaged very easily. Measure float height as illustrated above. If not then clean it and try again. On the WCFB the check ball is usually at the bottom of the pump well. 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. These diagrams include: Fig. To correct, remove carburetor and turn it upside down. Place universal pump travel gauge T109-117S (if you happen to have one as they are not available) inverted on edge of dust cover boss of bowl cover.
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