Aspringis inserted in the power piston hole, then the piston. 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. FREE to our customers that buy a rebuild kit. 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. Adjust by bending throttle connector rod at upper angle (B). Recheck unloader settings with carburetor on the engine. Blowing out passages will not get them clean enough. Fig. Carburetors equipped with an adjustable bowl vent require adjustment. Watch on. Adjust by bending float arms, making sure both pontoons on each float are the same height. Servicing The Rochester Quadrajet Carburetor - MotorTrend Some have a coating to give it a better shelf life. The vacuum piston is no longer produced and can only be found as a NOS piece, or used. 1956-1957 Chevrolet Carter WCFB Carburetor Measure from toe B to air horn. Kit looked complete but I ordered the wrong one based on the pump and of course with it being opened, it cannot be returned. If a loss of rpm is noted, or if the engine dies, and air leak exists. 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 Carburetor This circuit provides a measured amount of fuel when needed on acceleration until the vacuum and main circuit can take over. Air Bled has the venturi tube pointing down into the bore. Access our free Idle Speed and Mixture Repair Guide for Chevrolet Corvette 1963-1982 through AutoZone Rewards. Carter WGD Adjustments - Mikes Carburetor Parts Inspiration for this arrangement was provided by the federal government through its exhaust emissions regulations. Take the top off and put the pump in the well all the way to the bottom. The bowl vent is used to vent the float bowl, otherwise a siphoning of the gas can occur. 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. Carter WCFB 4 Barrel Adjust Float - YouTube Gasket removed. There may be a blockage in the accelerator pump circuit which would also make it hard to pump.What is the carburetor number so we can make sure you have the correct pump?Polish the pump well with crocus cloth. 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. The suction along with the fuel weight pulls fuel through the intake check via the passage to the fuel bowl. Everyone Has Started an Engine in the . 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). 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 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 How To Replace the Carter WCFB 4 Barrel Fast Idle Spring? In this video I show you how to replace the fast idle spring on the WCFB carburetor. Carter WCFB 4 Barrel Carburetor Float System. When done you should see very little daylight around the valve. 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! Check any vents to make sure they are open. 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. Carter WCFB Fast Idle With carburetor installed and engine warmed up. Hold air horn upright with floats hanging. They sometimes need trimming. The Carter AFB uses weights, and therefore never goes out of adjustment. 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. It's highlighted yellow and will look something like this. The single step rods were used on some of the price leader carburetors (i.e. Adjust by bending lip of float, not float arm. Because the float is maintained in a level position, needle valve bounce is minimized and excess fuel entry into the bowl is prevented. 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. 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 Carter WCFB Metering Rods - YouTube This is caused by side strain on throttle lever due to misalignment and maladjustment of the carburetor interconnection rod. The metering rods must be installed after the pump adjustment or when leaner than standard rods are installed. Readjust dashpot plunger to move 1/16 inch on closing of throttle valves. With the thermostatic coil housing gasket and baffle plate removed, crack throttle valve and hold choke valve closed. Free shipping for many products! 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. The setups data is the same. 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. 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 1955 Cadillac Idle Air Mixture Circuit WCFB Carburetor Cutting Out on Left Hand Turn This is an electronic rebuild manual, no physical copy will be provided. 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. 5:04. We use a small bottle type of brush and spray silicon spray into the cylinder while we clean. Do not depress float lip against spring in needle, but let float rest of its own weight. They are staked in the hole. 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. Using the exploded view on reverse side as a guide, disassemble the carburetor far enough to permit thorough cleaning and inspec tion o! 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. Disassembly2. As for the pump not squirting.I suspect the pump well isnt filling up. Maximum float buoyancy is generally accomplished when the float pontoons are at a 90-degree angle to the fuel valve. Carter WCFB 4 Barrel Carburetor Float System Adjusting the WCFB float level and float drop. The high speed air bleed and the secondary bleed tube also acts as an anti-percolator. This box did not have a part number. Put a straight edge across the dust cover as illustrated. Gasket removed as shown A. Carter built the first successful 4 barrel carburetor, the WCFB (Will Carter Four Barrel) which first appeared in 1953 on Buick cars. Carter WCFB, 4 barrel metering rod adjustment instructions. 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. Quick test to see if the accelerator pump is working. Outside top of early Carter tool box with correct decal. Make sure these are clear if you have percolation problems. 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. Ethanol gas does not have much if any lubrication. The piston is brass and can be damaged very easily. 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. We will contact you as soon as this product is available. Adjust idle screws D to produce a smooth idle of correct speed is obtained. Carter WCFB Accelerator Pump Quick test to see if the accelerator pump is working. 1956 Plymouth, Powerflite Transmission - Dashpot The dashpot has been eliminated. Carter WCFB Specifications - Mikes Carburetor Parts 19571958 Plymouth Fury Carter WCFB Carburetor *Remanufactured | eBay Seat the intake check by tapping lightly in the hole to form a good seal. parts. Carter used metering rods with a single step, 2-step, 3-step, and 4-step. When closing the throttle, the accelerator moves up in the pump well. The file is in PDF format, you can download and save/print a copy. It isn't unusual for the vacuum piston on the WCFB to become frozen in the cylinder where it resides. The accelerator pump circuit resides on the primary side of. I rebuilt a Carter WCFB carburetor with the lower auto choke setup. The most complete document I have found. *New Main Body Gasket8. The flat on top of the pump arm should be parallel to the straight edge. Disassembly2. 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. 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). Change the choke setting to index. 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? As the throttle is opened the pump moves down the pump well forcing the intake check closed and forcing fuel out the main discharge. Readjust idle to 500 RPM and fast idle to 1200 RPM On 1955 models set choke two points lean. 1956 Chevrolet Corvette & Super Power Kit Engine Idle Speed, Idle Mixture and Throttle Linkage Adjustment Procedure. Can't find the answer you're looking for? How to Adjust a Carter BBD 2 Barrel | It Still Runs The Carter carburetor has been around for a very long time. One is in the secondary venturi and the other just above the throttle plate. This allows air instead of fuel to be drawn off the pump jets. Includes theory, diagrams, detailed specifications, tune-up data and complete overhaul procedures. Refer to the Adjustment Data Table for adjustment dimensions. This E-manual is pictured with the Carter WCFB carburetor with the upper auto choke. This restricts the flow of fuel. Turn knurled nut of gauge until finger on gauge just touches top of plunger shaft (A). Measure float height as illustrated above. Make sure the air horn contacts the inner wall of the bowl. WCFB 4 Barrel Carburetor Float Adjustment Back out throttle screw so that the throttle valve close completly. To correct, remove carburetor and tighten throttle lever by either peening end of shaft over, or soldering end of shaft to throttle lever. Hold throttle valve wide open and close choke valve as far as possible without forcing. Some models have a pump relief check in the bottom of the fuel bowl. 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. Is there a pointed check weight in the main discharge hole. 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. Seat the discharge check by tapping lightly in the hole to form a good seal. Can't find the answer you're looking for? 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 the connector rod at the lower bend (E). There should now be 9/64 clearance between upper edge of choke valve and inner wall of air horn. This can be done by looking at the impression on bowl cover gasket. Tyler's Forgotten Car Rescue 22,933 views. Carter WCFB, 4 barrel carburetor manual. The fuel is also conducted through a passage in the air horn to the secondary needle seat. Adjust by bending unloader lip on throttle shaft lever. REMANUFACTURED CARTER WCFB CARBURETOR 3696S For 1958-1965 Chevrolet 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 . It needs about 4 lbs of pressure. Carter Carburetor Manual Place the choke housing toward the left and remove upper right main body to throttle body screw. Can't find the answer you're looking for? *New Float6. 1956 Plymouth, Powerflite Transmission Dashpot, 1955 Pontiac Loading or Carburetor Flooding, 1956 Pontiac Hard Starting, Partially Warm Engine. Any pressure put on the needle will damage it. *New Airhorn Gasket7. I have taken this carb a part and rechecked floats adjustments and blown out passages with compressed air thank you.