The discharge check is seated at this time to prevent air being drawn into the pump well. Carter WCFB 4 Barrel Carburetor Float System Outside top of early Carter tool box with correct decal. PDF Parts List Carter Carburetor Model Wcfb The lower edge of vent valve cap should be raised above surface of dust cover the distance listed in the. Blow through the intake check passage to be sure the passage is open. Be careful removing the intake check retainer. Carter WCFB Metering Rods - carburetor-parts.com If adjustment is required, remove dust cover and bend arm that operates the vent mechanism. *New Float6. 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. Disassembly2. Fast Idle or Idle at Cold Start has to be One of the More Important Adjustments on the Carburetor. Test the floats in hot water and if you get any bubbles then they are leaking. Be careful when removing the top of the carburetor that you don't force things and break the piston lever. Back out the throttle lever set screw (idle screw) to allow throttle valves to seat in the bores of the carburetor. This can be done by looking at the impression on bowl cover gasket. Blowing out passages will not get them clean enough. Carter WCFB 4 Barrel Carburetor Float System. Gasket between bowl and base is installed backwards (easy to do). The high speed air bleed and the secondary bleed tube also acts as an anti-percolator. 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. Blow air through the main discharge to make sure the passage is clear all the way to the pump well. I. DISASSEMBLY. One is in the secondary venturi and the other just above the throttle plate. Carter WCFB 4 Barrel Carburetor Float System. Look for breaks in the new gasket, or cracks around the threaded area.The needle could have been damaged while adjusting the floats. This box did not have a part number. REMANUFACTURED CARTER WCFB CARBURETOR 3696S For 1958-1965 Chevrolet They need to be centered in the bowl.Fuel could be leaking around the needle & seat. We will contact you as soon as this product is available. Carter WCFB 4 Barrel Adjust Float - YouTube Because the float is maintained in a level position, needle valve bounce is minimized and excess fuel entry into the bowl is prevented. Because the float is maintained in a level position, needle valve bounce is minimized and excess fuel entry into the bowl is prevented. Carter WCFB 4 Barrel Accelerator Pump Circuit - YouTube Should You Build Your Own Carter Carburetor? - Carb-O - MotorTrend Low fuel pump pressure always check you motors manual for the correct pressure. Everyone Has Started an Engine in the . but if it runs well you don't really need to make any adjustments. This check prevents excessive pressure in the discharge passage during acceleration. Be sure these ports are clear. 1956 Plymouth, Powerflite Transmission - Dashpot The dashpot has been eliminated. Also check for overheating of the engine, fuel lines too close to the manifold, or too much heat in the engine department. In this video I show you how to replace the fast idle spring on the WCFB carburetor. 41-98N Carter 2366S Carter 2505S Carter 2555S Carter 2655S Carter 2669S. 1956 Plymouth, Powerflite Transmission Dashpot, 1955 Pontiac Loading or Carburetor Flooding, 1956 Pontiac Hard Starting, Partially Warm Engine. Adjust by bending the connector rod at the lower bend (E). Adjusting the WCFB float level and float drop. Carter WCFB Specifications - Mikes Carburetor Parts 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. 1955 Pontiac - Loading or Carburetor Flooding Can't find the answer you're looking for? 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. Run a blunt object around the inside of the leather cup to make sure any coating is broken. Carter WCFB 4 Barrel Carburetor Aspringis inserted in the power piston hole, then the piston. Each size must be used in its own location. 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. Refer to the Adjustment Data Table for adjustment dimensions. 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 You need to run wire down all small passages. To correct, remove carburetor and tighten throttle lever by either peening end of shaft over, or soldering end of shaft to throttle lever. pump rod until the top of the pump arm is horizontal (or the screw that retrains it is perfectly vertical, if you prefer). Adjust by bending arm (J) on choke trip lever. Using the exploded view on reverse side as a guide, disassemble the carburetor far enough to permit thorough cleaning and inspec tion o! A WGD usually has a pump arm like that of a WCFB (IIRC). Clogged idle tube, or passages in the idle circuit. 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. Make sure the pontoons are centered and will not rub the bowl sides. Watch on. The Carter WCFB, 4 barrel carburetor metering rods are used to meter the fuel getting into the carburetor bore. I purchased from you a rebuild kit for Carter WCFB 4 barrel carb on my 1955 Chev. With choke valve held closed and fast idle adjusting screw C, or fast idle adjusting tang, on high step of cam. Gasket removed. Back out throttle lever set screw until throttle valves seat in bores of carburetor. The Carter WCFB carburetors have a square-ish body with a rectangular air horn that protrudes above the air. 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 Manufacturer CARTER : Brand CARTER WCFB : Model Carter 4 BBL WCFB : Item Weight 12 pounds : Country of Origin USA . Correct by removing any burrs or nicks. When closing the throttle, the accelerator moves up in the pump well. parts. They work fine when I push hard down on the piston. Use a brass drift punch. How to Adjust a Carter BBD 2 Barrel | It Still Runs The Carter carburetor has been around for a very long time. The metering rods must be installed after the pump adjustment or when leaner than standard rods are installed. This is an electronic rebuild manual, no physical copy will be provided. WCFB carburetors, althqugh basically all units are allke. 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. Once you get the piston out, clean, Carter WCFB Vacuum Piston the cylinder so that the piston move very free up and down. Float adjusted wrong check float level.Float leaking heat up some water and immerse the float. When I slow down to an idle, my engine runs rough. Tyler's Forgotten Car Rescue 22,933 views. 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 restricts the flow of fuel. Back off the idle screw so that the throttle plates close completely. Please complete the fields below to send your friend a link to this product. 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. a. BBS) and were basically an on/off condition similar to the function of a power valve. Seat the intake check by tapping lightly in the hole to form a good seal. You are flooding (getting too much gas in the float bowl), caused by these types of problems. Install the pump connector rod (D) in the outer hole, long stroke. 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? Adjust by bending lip of float, not float arm. Fig. The fuel is also conducted through a passage in the air horn to the secondary needle seat. They are not meant to fill the hole, only to restrict it. With throttle valves seated in bores, dust cover and gasket in place. When looking to replace your metering rod keep in mind that Carter used several different lengths of rods in the WCFB. The download link will expire in 30 days. Carter used metering rods with a single step, 2-step, 3-step, and 4-step. When that is the case, I bend the accel. Metering rods for the WCFB have been out of production for several years now. Make sure the pump relief check is clean. Ultra-Sonic Cleaning3. Other than that, great company to deal with. What Has Been Done to This Carburetor?1. The download link can be found on your order confirmation email which you will receive as soon as you complete the order. The metering rod adjustment should be done after the pump adjustment. You will need to check your motors manual for the spec, but around 4 or 5 should be plenty. Ideas?? The cfm of the Carter WCFB four-barrel carburetor is approximately 400. As the throttle is opened the pump moves down the pump well forcing the intake check closed and forcing fuel out the main discharge. The adjustment of the pump is important in order to get the required fuel. Carter Carburetor Manual Shorter and smaller overall than the 4GC Rochester, the WCFB was the right choice for dual-quads on a compact . It needs about 4 lbs of pressure. Notice holes from which linkage rods are removed so they can The setups data is the same. If hard starting still exists change the choke setting to one point lean. This is an electronic rebuild manual, no physical copy will be provided. Take the top off and put the pump in the well all the way to the bottom. Carter WCFB, 4 barrel metering rod adjustment instructions. Check the low speed jets to make sure they are clear (#44). THE CARBURETOR SHOP / Troubleshooting 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 flat on top of the pump arm should be parallel to the straight edge. 19571958 Plymouth Fury Carter WCFB Carburetor *Remanufactured | eBay Carter WGD Adjustments - Mikes Carburetor Parts The all-aluminum AFB (Aluminum Four Barrel) was a big innovation in 1957, and lives on today under the Edelbrock name. 1957 Lincoln Accelerator Pump Carter Wcfb Fluorelastomer Cup Ethanol Any pressure put on the needle will damage it. At idle you are at maximum vacuum which makes the metering rods drop down into the main jets. Make sure the air cleaner gasket does not block the bowl vents. Carter WCFB Carburetor Troubleshooting During high speed operation a vacuum exists at the pump 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. . Install the pump connector rod (D) in the outer hole, long stroke. Carter WCFB Accelerator Pump Quick test to see if the accelerator pump is working. Loosen the clamp screw A Press. 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 . Carter WCFB 4 Barrel Carburetor Float System Adjusting the WCFB float level and float drop. Carter WCFB Archives - Mikes Carburetor Parts Make sure manifold heat control valve is free. 1st check to make sure the fast idle linkage isnt holding the valves open. Though fuel float bowl full, cant get gas into the accelerator pump chamber of the carb. William C. Carter was born in Union City Tennessee in 1884. I have a 1952 Buick Roadmaster and just rebuilt the Carter WCFB carb, and I'm setting the idle according to the factory manual. 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. Carter WCFB 4 Barrel Carburetor Float System, Engine wont idle, or dies after the choke is opened, or runs better when choke closed.