Download was not the correct rebuild instructions for my WCFB carburetor, and the correct version was not available. The file is in PDF format, you can download and save/print a copy. We use a small bottle type of brush and spray silicon spray into the cylinder while we clean. Make sure the ball rattles. If a loss of rpm is noted, or if the engine dies, and air leak exists. 19591961 Chevrolet Carter WCFB Carburetor All These Part Numbers Interchange Into Our Part No. Hold in place and carefully tighten metering rod arm set screw (G). This can be done by looking at the impression on bowl cover gasket. You may even have to resort to finding a used WCFB carburetor. This is an electronic rebuild manual, no physical copy will be provided. Make sure there is a check needle below the main discharge. 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. They know their stuff and provide technical assistance and guides in both paper and video formats. 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. This is caused by side strain on throttle lever due to misalignment and maladjustment of the carburetor interconnection rod. Use a brass drift punch. Readjust dashpot plunger to move 1/16 inch on closing of throttle valves. The Carter WCFB, 4 barrel carburetor metering rods are used to meter the fuel getting into the carburetor bore. With mineral spirits in the float bowl, Raise the pump. 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. 41-108N Carter 2818S Carter 3059S What Has Been Done to This Carburetor?1. The Carter WCFB carburetors have a square-ish body with a rectangular air horn that protrudes above the air. Place the choke housing toward the left and remove upper right main body to throttle body screw. As for the pump not squirting.I suspect the pump well isnt filling up. The WCFB carburetor which came on some of the earliest 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 The item you are trying to purchase is currently out of stock.Please enter your name, email, and phone number below. Can't find the answer you're looking for. Carter WCFB Build Sheets Place the choke housing toward the left and remove upper right main body to throttle body screw. Is there a pointed check weight in the main discharge hole. Must be made after fast idle adjustment. You should feel some pressure and fluid should not be bypassing the check needle. 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 . He only had 5-years of formal education and in 1909, he founded the Carter Carburetor Manufacturing Co in St. Louis. All These Part Numbers Interchange Into Our Part No. 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. Please complete the fields below to send your friend a link to this product. If it is, tap gently with a hammer and the same brass drift punch to seat it, or replace the check weight. If the secondary throttle plate is staying open, then check the primary shaft dog and spring. Gasket removed. Test the fuel pump to be sure it isnt putting out too much pressure. The cfm of the Carter WCFB four-barrel carburetor is approximately 400. 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. FREE to our customers that buy a rebuild kit. Test the floats in hot water and if you get any bubbles then they are leaking. Change the choke setting to index. Carburetors equipped with an adjustable bowl vent require adjustment. 1957 Desoto Adventurer Loose Throttle Lever Rear Carburetor. Other 4 barrel carburetors such as the Carter AVS, Carter TQ, Rochester 4GC, and Rochester Q-Jet have a tensioned secondary spring. Blowing out passages will not get them clean enough. Run a blunt object around the inside of the leather cup to make sure any coating is broken. The accelerator pump circuit resides on the primary side of this carburetor. The piston is brass and can be damaged very easily. Some have a coating to give it a better shelf life. We will contact you as soon as this product is available. Anti-Rust "Dichromate" Finish**4. DO NOT apply any pressure on the needle. 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. 60 pages of great info. See figure 9F-2. Be careful when removing the top of the carburetor that you don't force things and break the piston lever. Fig. Adjust by bending throttle connector rod at upper angle (B). *New Float6. Put a straight edge across the dust cover as illustrated. You are flooding (getting too much gas in the float bowl), caused by these types of problems. The flat surface of the pump arm should be parallel to the straight edge. Most of the single step rods were steel. Fast Idle or Idle at Cold Start has to be One of the More Important Adjustments on the Carburetor. The lower edge of vent valve cap should be raised above surface of dust cover the distance listed in the. 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 ends of the connector rod should point to the throttle arm side. 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. Take the top off and put the pump in the well all the way to the bottom. When removing valves they should be marked so that they get put back the same way. 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. Back out throttle stop screw until throttle valves seat in bores. 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! Float drop not set, or fuel pump pressure too low. Fuel is puffing out nozzles on primary circuit at idle on primary carb of a dual carb set carbs were just rebuilt what is the cause. Coat threads of screw with sealing compound and install it. Probably not since only one butterfly is open. Older kits 30-70s. Buy REMANUFACTURED CARTER WCFB CARBURETOR 3696S For 1958-1965 Chevrolet Corvette 327 348: Carburetors . Adjust by bending lip of float, not float arm. What Has Been Done to This Carburetor?1. Make sure the pump relief check is clean. Check to see that slots in air cleaner gasket line up with vent tubes and do not rotate gasket during installation of air cleaner. Sometimes scraping around the edges with an awl will remove the staking. 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). This circuit provides a measured amount of fuel when needed on acceleration until the vacuum and main circuit can take over. 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). Check any vents to make sure they are open. Watch this. Rotate throttle stop screw E until engine idle at approx 500 RPM. Measure from toe B to air horn. *New Airhorn Gasket7. 1956 Chevrolet Corvette & Super Power Kit Engine Idle Speed, Idle Mixture and Throttle Linkage Adjustment Procedure. Add a couple drops of oil to the leather. WCFB Carburetor Cutting Out on Left Hand Turn. WCFB carburetors, althqugh basically all units are allke. 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. 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. 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 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. The accelerator pump circuit resides on the primary side of. Press down on vacuum piston link C until metering rods bottom in the carburetor body. but if it runs well you don't really need to make any adjustments. Will Carter introduced the world's first 4-barrel carburetor, the WCFB (Will Carter Four Barrel) which raised air-flow to unprecedented levels. They are not meant to fill the hole, only to restrict it. New fuel pumps are especially suspect. The high speed air bleed and the secondary bleed tube also acts as an anti-percolator. When done you should see very little daylight around the valve. Back off the idle screw so that the throttle plates close completely. The Carter WCFB and AFB designs fit easily beneath the low profile C1 and C2 hoods. Adjust idle screws D to produce a smooth idle of correct speed is obtained. A balance passage connects the primary and secondary float chambers to provide fuel level control when the vehicle is accelerating, stopping, or rounding curves. Hold a straight edge across top of dust cover housing, next to the pump arm. Blow air through the main discharge to make sure the passage is clear all the way to the pump well. There should now be .018 .023 clearance between throttle valve and bore of carburetor (side opposite idle port). Loosen the clamp screw A Press. It will be very helpful as I try to improve my performance and emissions of my 57 Corvette street machine. Make sure these are clear if you have percolation problems. 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. You cannot go wrong with Mikes carburetor in any way. You can also check the adjustment by measuring (F) which should be 18/64. The adjustment of the pump is important in order to get the required fuel. Good quality print. *New Main Body Gasket8. Quick test to see if the accelerator pump is working. Each size must be used in its own location. At idle you are at maximum vacuum which makes the metering rods drop down into the main jets. 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. Press down on the vacummeter link (H) until the metering rods bottom in the carburetor body (J). 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. 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). They work fine when I push hard down on the piston. Also check for overheating of the engine, fuel lines too close to the manifold, or too much heat in the engine department. Manufacturer CARTER : Brand CARTER WCFB : Model Carter 4 BBL WCFB : Item Weight 12 pounds : Country of Origin USA . Some models have a pump relief check in the bottom of the fuel bowl. This is an electronic rebuild manual, no physical copy will be provided. Can you help me out? There should now be 9/64 clearance between upper edge of choke valve and inner wall of air horn. 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. Adjust by bending throttle connector rod at deepest angle as shown. They need to be centered in the bowl.Fuel could be leaking around the needle & seat. One is in the secondary venturi and the other just above the throttle plate. If not, then find the check ball and make sure it is loose. Product information . A WGD usually has a pump arm like that of a WCFB (IIRC). From my experience it is the most complete and comprehensive source for all things carburetor, encompassing a massive spectrum of makes models and applications. With choke valve held closed and fast idle adjusting screw C, or fast idle adjusting tang, on high step of cam. Adjusting the WCFB Metering Rods The Carter WCFB, 4 barrel carburetor metering rods are used to meter the fuel getting into the carburetor bore. 1956 Plymouth, Powerflite Transmission - Dashpot The dashpot has been eliminated. Carter WCFB 4 Barrel Carburetor Float System. I rebuilt a Carter WCFB carburetor with the lower auto choke setup. Carter WCFB Fast Idle With carburetor installed and engine warmed up. Check throttle linkage to make sure that primary throttle valves come to full wide open position. (note) The metering rods will fit into the jets loosely. You need to run wire down all small passages. Someone has installed it improperly. 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. They are staked in the hole. I. DISASSEMBLY. Ethanol gas does not have much if any lubrication. 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. Ideas?? Seat the intake check by tapping lightly in the hole to form a good seal. Recheck unloader settings with carburetor on the engine. Recheck float adjustments. Gasket between bowl and base is installed backwards (easy to do). Can't find the answer you're looking for? Air Bled has the venturi tube pointing down into the bore. Back out the throttle lever set screw (idle screw) to allow throttle valves to seat in the bores of the carburetor. Back out throttle lever set screw until throttle valves seat in bores of carburetor. Clogged idle tube, or passages in the idle circuit. Adjust by bending lip of float, not float arm. cm448: Ebook carburetor service manual - 341 pages, 272 MBytes, pdf format. The vacuum piston is no longer produced and can only be found as a NOS piece, or used. 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 With choke valve held tightly closed, take slack out of linkage and tighten clamp screw on choke lever. Could the float bowl actually be the problem? On the WCFB the check ball is usually at the bottom of the pump well. Carter WCFB 4 Barrel Carburetor Float System. 5:04. 1956 Plymouth, Powerflite Transmission Dashpot, 1955 Pontiac Loading or Carburetor Flooding, 1956 Pontiac Hard Starting, Partially Warm Engine. pump rod until the top of the pump arm is horizontal (or the screw that retrains it is perfectly vertical, if you prefer). Look for breaks in the new gasket, or cracks around the threaded area.The needle could have been damaged while adjusting the floats. Can't find the answer you're looking for? Kit looked complete but I ordered the wrong one based on the pump and of course with it being opened, it cannot be returned. Check the low speed jets to make sure they are clear (#44). Turn knurled nut of gauge until finger on gauge just touches top of plunger shaft (A). To correct, remove carburetor and turn it upside down. Measure from center top surface of pontoons to air horn. Carter WCFB 4 Barrel Carburetor Float System. Be sure these ports are clear. parts. 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. b. When that is the case, I bend the accel. When looking to replace your metering rod keep in mind that Carter used several different lengths of rods in the WCFB. Make sure the air horn contacts the inner wall of the bowl. I have repeated multiple times with same results. Test the needle by holding it down gently with a brass drift punch. Christen Press Engaged, Articles C