19591961 Chevrolet Carter WCFB Carburetor All These Part Numbers Interchange Into Our Part No. Carter WCFB Parts Page - carburetion.com Blowing out passages will not get them clean enough. The file is in PDF format, you can download and save/print a copy. If the secondary throttle plate is staying open, then check the primary shaft dog and spring. WCFB Carburetor Cutting Out on Left Hand Turn. I rebuilt a Carter WCFB carburetor with the lower auto choke setup. All These Part Numbers Interchange Into Our Part No. Rotate throttle stop screw E until engine idle at approx 500 RPM. Your friend will receive an email from you with a link to our site. 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. Two ports act as calibrated air bleeds. 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. You may even have to resort to finding a used WCFB carburetor. With choke valve held tightly closed, take slack out of linkage and tighten clamp screw on choke lever. I have repeated multiple times with same results. Watch on. Ethanol leaves deposits behind that acts like corrosion. One is in the secondary venturi and the other just above the throttle plate. 1952 Carter WCFBsetting idle - Discussion Forums How Do You Look up Carter Carburetor ID Numbers Online? - Reference.com Put a straight edge across the dust cover as illustrated. Carter WCFB 4 Barrel Carburetor Float System. However, it is very similar and I found it very useful. Carter WCFB 4 Barrel Adjust Float - YouTube The all-aluminum AFB (Aluminum Four Barrel) was a big innovation in 1957, and lives on today under the Edelbrock name. If it is, tap gently with a hammer and the same brass drift punch to seat it, or replace the check weight. Measure float height as illustrated above. These manuals contain specifications, parts lists and instructions.The manuals can also be used to help identify those carburetors without tags. 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. All late model WCFB carburetors have three different length bowl cover screws. FREE to our customers that buy a rebuild kit. Home - Carburetor Manual Ebooks 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. 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. WCFB 4 Barrel Carburetor Float Adjustment Back off the idle screw so that the throttle plates close completely. The high speed air bleed and the secondary bleed tube also acts as an anti-percolator. 1955 Chevy Hard starting after flooding. If a loss of rpm is noted, or if the engine dies, and air leak exists. Carter Carburetor Manual 60 pages of great info. We use a small bottle type of brush and spray silicon spray into the cylinder while we clean. Carter WCFB Archives - Mikes Carburetor Parts 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. Carter WCFB 4 Barrel Carburetor Check the low speed jets to make sure they are clear (#44). Must be made after fast idle adjustment. No metering rod gauges are necessary. Hold in place and carefully tighten metering rod arm set screw (G). 2: Carter AFB idle mixture and speed adjustment screws. Float drop not set, or fuel pump pressure too low. Also check for overheating of the engine, fuel lines too close to the manifold, or too much heat in the engine department. 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. Someone has installed it improperly. . This check prevents excessive pressure in the discharge passage during acceleration. Fast Idle or Idle at Cold Start has to be One of the More Important Adjustments on the Carburetor. cm448. Adjust idle screws D to produce a smooth idle of correct speed is obtained. Refer to the Adjustment Data Table for adjustment dimensions. They know their stuff and provide technical assistance and guides in both paper and video formats. 41-108N Carter 2818S Carter 3059S What Has Been Done to This Carburetor?1. 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. Correct by removing any burrs or nicks. Make sure these are clear if you have percolation problems. This restricts the flow of fuel. If not, then find the check ball and make sure it is loose. 1956 Plymouth, Powerflite Transmission Dashpot, 1955 Pontiac Loading or Carburetor Flooding, 1956 Pontiac Hard Starting, Partially Warm Engine. It needs about 4 lbs of pressure. Gasket removed as shown A. 1957 Desoto Adventurer Loose Throttle Lever Rear Carburetor. Carter WCFB 4 Barrel Carburetor Rebuild - YouTube 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. Servicing The Rochester Quadrajet Carburetor - MotorTrend The flat on top of the pump arm should be parallel to the straight edge. I purchased from you a rebuild kit for Carter WCFB 4 barrel carb on my 1955 Chev. Also make sure one isnt rubbing on the side. 1955 Cadillac Idle Air Mixture Circuit WCFB Carburetor Cutting Out on Left Hand Turn The mixture screw may be bent, or damaged. 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. Note te larger box, and the number of additional tools from the 1935 set. These diagrams include: Fig. Carter WCFB Metering Rods - carburetor-parts.com Readjust idle to 500 RPM and fast idle to 1200 RPM On 1955 models set choke two points lean. Everyone Has Started an Engine in the . Be careful when removing the top of the carburetor that you don't force things and break the piston lever. Carter WCFB Technical - Carburetor Parts Probably not since only one butterfly is open. 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 can be done by looking at the impression on bowl cover gasket. The accelerator pump is used to provide an extra squirt of fuel when you step on the gas. The Carter WCFB and AFB designs fit easily beneath the low profile C1 and C2 hoods. If hard starting still exists change the choke setting to one point lean. What more could you ask for? There should now be 9/64 clearance between upper edge of choke valve and inner wall of air horn. Carter WCFB, 4 barrel metering rod adjustment instructions. 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 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. If the fuel bowl is not filling up enough to fill the pump well, then look at a sticking float needle. On the WCFB the check ball is usually at the bottom of the pump well. The ends of the connector rod should point to the throttle arm side. Good quality print. 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. You should feel some pressure and fluid should not be bypassing the check needle. During high speed operation a vacuum exists at the pump jets. Both valves should be closed. As the engine gains in RPM, the vacuum drops and the metering rods are pulled out of the main jet allowing more fuel to flow. Be careful removing the intake check retainer. Back out the throttle lever set screw (idle screw) to allow throttle valves to seat in the bores of the carburetor. Seat the intake check by tapping lightly in the hole to form a good seal. THE CARBURETOR SHOP / Carter carburetor special tools Disassembly2. The fuel is also conducted through a passage in the air horn to the secondary needle seat. Carter WCFB 4 Barrel Carburetor Float System. b. Readjust dashpot plunger to move 1/16 inch on closing of throttle valves. With carburetor installed and engine warmed up. 1955 Pontiac - Loading or Carburetor Flooding 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 Can you help me out? PDF Carter Carb Identification Chart - annualreport.psg.fr How To Replace the Carter WCFB 4 Barrel Fast Idle Spring? Maximum float buoyancy is generally accomplished when the float pontoons are at a 90-degree angle to the fuel valve. Outside top of early Carter tool box with correct decal. 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. Can't find the answer you're looking for. Use a brass drift punch. As for the pump not squirting.I suspect the pump well isnt filling up. Probably around 4- 4.5lbs. 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. They sometimes need trimming. 5:04. Low fuel pump pressure always check you motors manual for the correct pressure. Carter WCFB 4 Barrel Carburetor Float System DO NOT apply any pressure on the needle. The carburetor will flood. Could the float bowl actually be the problem? How to clean the Jeep Carter BBD carb Idle jets - Duration: 7:14. Hold a straight edge across top of dust cover housing, next to the pump arm. 3: Holley 4150 idle mixture and speed adjustment screws. Carter WCFB Accelerator Pump Quick test to see if the accelerator pump is working. It should not be opened up. This restricts the flow of fuel. Carter 2 Barrel BBD Adjustments - YouTube He only had 5-years of formal education and in 1909, he founded the Carter Carburetor Manufacturing Co in St. Louis. The Carter WCFB carburetors have a square-ish body with a rectangular air horn that protrudes above the air. 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. To correct, remove carburetor and turn it upside down. When replacing them hold them tight against the wall while tightening the screw. Hold air horn upright with floats hanging. This is caused by side strain on throttle lever due to misalignment and maladjustment of the carburetor interconnection rod. Each size must be used in its own location. 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. Make sure the pump relief check is clean. 1: Carter WCFB idle mixture and speed adustment screw location. Carter WCFB Accelerator Pump Adjustment The accelerator pump is used to provide an extra squirt of fuel when you step on the gas. On 1956 models one point rich. To correct, remove carburetor and turn it upside down. Carter WCFB 4 Barrel Carburetor Float System, Engine wont idle, or dies after the choke is opened, or runs better when choke closed. 1956 Plymouth, Powerflite Transmission - Dashpot The dashpot has been eliminated. You need to run wire down all small passages. Most of the single step rods were steel. Should You Build Your Own Carter Carburetor? - Carb-O - MotorTrend Older kits 30-70s. Once you get the piston out, clean, Carter WCFB Vacuum Piston the cylinder so that the piston move very free up and down. Gasket removed. With mineral spirits in the float bowl, Raise the pump. Ideas?? To correct, remove carburetor and tighten throttle lever by either peening end of shaft over, or soldering end of shaft to throttle lever. Some have a coating to give it a better shelf life. This eliminates any bog or hesitation when acceleration. 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.