If it is, tap gently with a hammer and the same brass drift punch to seat it, or replace the check weight. pump rod until the top of the pump arm is horizontal (or the screw that retrains it is perfectly vertical, if you prefer). Place the choke housing toward the left and remove upper right main body to throttle body screw. Hold a straight edge across top of dust cover housing, next to the pump arm. The mixture screw may be bent, or damaged. Fast Idle or Idle at Cold Start has to be One of the More Important Adjustments on the Carburetor. Carter WCFB Metering Rods - YouTube Fuel pump working as it should (pulsates and sprays gas each time cam lobe activates it). Other than that, great company to deal with. 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. 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. 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 Float System, Engine wont idle, or dies after the choke is opened, or runs better when choke closed. building a wcfb 2x4 setup | Hot Rod Forum I have repeated multiple times with same results. How to Modify a Carter or Edelbrock Carburetor - Muscle Car DIY This E-manual is pictured with the Carter WCFB carburetor with the upper auto choke. I have a 1952 Buick Roadmaster and just rebuilt the Carter WCFB carb, and I'm setting the idle according to the factory manual. The float lifter spring also provides better float and fuel level stability when operating on rough, washboard type roads. 1957 Lincoln Accelerator Pump Carter Wcfb Fluorelastomer Cup Ethanol Put some fluid in theaccelerator pumpwell and press down on the pump. Can't find the answer you're looking for? The well should fill with fluid. The single step rods were used on some of the price leader carburetors (i.e. The WCFB carburetor which came on some of the earliest cm448. This can be done by looking at the impression on bowl cover gasket. Disassembly2. The suction along with the fuel weight pulls fuel through the intake check via the passage to the fuel bowl. Also check for overheating of the engine, fuel lines too close to the manifold, or too much heat in the engine department. Refer to the Adjustment Data Table for adjustment dimensions. 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 . Carter WCFB Archives - Mikes Carburetor Parts Using the exploded view on reverse side as a guide, disassemble the carburetor far enough to permit thorough cleaning and inspec tion o! They sometimes need trimming. Back out the throttle lever set screw (idle screw) to allow throttle valves to seat in the bores of the carburetor. William C. Carter was born in Union City Tennessee in 1884. Carter WGD Adjustments - Mikes Carburetor Parts Carter WCFB 4 Barrel Carburetor Float System. To correct, remove carburetor and turn it upside down. With mineral spirits in the float bowl, Raise the pump. Can't find the answer you're looking for? Make sure there is a check needle below the main discharge. Solid fuel has the 2 tubes pointing up. Readjust dashpot plunger to move 1/16 inch on closing of throttle valves. 41-98N Carter 2366S Carter 2505S Carter 2555S Carter 2655S Carter 2669S. 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. The carburetor will flood. Measure float height as illustrated above. Most of the single step rods were steel. I purchased from you a rebuild kit for Carter WCFB 4 barrel carb on my 1955 Chev. The bowl vent is used to vent the float bowl, otherwise a siphoning of the gas can occur. 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. Check any vents to make sure they are open. 1956 Chevrolet Corvette & Super Power Kit Engine Idle Speed, Idle Mixture and Throttle Linkage Adjustment Procedure. You cannot go wrong with Mikes carburetor in any way. Carter WCFB 4 Barrel Carburetor Float System 1: Carter WCFB idle mixture and speed adustment screw location. Fig. Notice holes from which linkage rods are removed so they can 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 . Includes theory, diagrams, detailed specifications, tune-up data and complete overhaul procedures. What more could you ask for? Seat the intake check by tapping lightly in the hole to form a good seal. 19591961 Chevrolet Carter WCFB Carburetor All These Part Numbers Interchange Into Our Part No. They are not meant to fill the hole, only to restrict it. Air Bled has the venturi tube pointing down into the bore. Carter WCFB Metering Rods - carburetor-parts.com This restricts the flow of fuel. Will Carter introduced the world's first 4-barrel carburetor, the WCFB (Will Carter Four Barrel) which raised air-flow to unprecedented levels. A balance passage connects the primary and secondary float chambers to provide fuel level control when the vehicle is accelerating, stopping, or rounding curves. This check prevents excessive pressure in the discharge passage during acceleration. 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. 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. 1952 Carter WCFBsetting idle - Discussion Forums To correct, remove carburetor and tighten throttle lever by either peening end of shaft over, or soldering end of shaft to throttle lever. See figure 9F-2. Adjust by bending arm (J) on choke trip lever. 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 *New Accelerator Pump5. On 1956 models one point rich. 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! 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. Anti-Rust "Dichromate" Finish**4. Make sure the ball rattles. Gasket between bowl and base is installed backwards (easy to do). parts. 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. a. If the fuel bowl is not filling up enough to fill the pump well, then look at a sticking float needle. When I slow down to an idle, my engine runs rough. Carter WCFB Accelerator Pump Quick test to see if the accelerator pump is working. 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. The fuel is also conducted through a passage in the air horn to the secondary needle seat. Did the old gasket get removed? 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). Two ports act as calibrated air bleeds. Also make sure one isnt rubbing on the side. What Has Been Done to This Carburetor?1. Install the pump connector rod (D) in the outer hole, long stroke. With carburetor installed and engine warmed up. Sometimes scraping around the edges with an awl will remove the staking. Ultra-Sonic Cleaning3. The metering rods must be installed after the pump adjustment or when leaner than standard rods are installed. Home - Carburetor Manual Ebooks GM Corvette 1963-1982 Idle Speed and Mixture Repair Guide Carter WCFB 4 Barrel Adjust Float. 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. Rotate throttle stop screw E until engine idle at approx 500 RPM. 2: Carter AFB idle mixture and speed adjustment screws. Adjust by bending unloader lip on throttle shaft lever. Why Doesn't Adjusting Idle Mixture Screws Make any Difference? WCFB | Carter Carburetors, Parts & Rebuild Kits Is there a pointed check weight in the main discharge hole. 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. When looking to replace your metering rod keep in mind that Carter used several different lengths of rods in the WCFB. Ideas?? 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 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. 1956 Plymouth, Powerflite Transmission Dashpot, 1955 Pontiac Loading or Carburetor Flooding, 1956 Pontiac Hard Starting, Partially Warm Engine. 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 you help me out? cm448 Carter WCFB Carburetor Manual - carbkitsource.com Product information . If not then clean it and try again. Adjust by bending lip of float, not float arm. Once you get the piston out, clean, Carter WCFB Vacuum Piston the cylinder so that the piston move very free up and down. Make sure the air cleaner gasket does not block the bowl vents. 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). The adjustment of the pump is important in order to get the required fuel. This is an electronic rebuild manual, no physical copy will be provided. The accelerator pump circuit resides on the primary side of. How To Replace the Carter WCFB 4 Barrel Fast Idle Spring? 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. Carter WCFB, 4 barrel metering rod adjustment instructions. I have taken this carb a part and rechecked floats adjustments and blown out passages with compressed air thank you. Good quality print. THE CARBURETOR SHOP / Carter carburetor special tools 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. Though fuel float bowl full, cant get gas into the accelerator pump chamber of the carb. Aspringis inserted in the power piston hole, then the piston. There should be a retainer keeping the check ball in place. These diagrams include: Fig. The cfm of the Carter WCFB four-barrel carburetor is approximately 400. Buy REMANUFACTURED CARTER WCFB CARBURETOR 3696S For 1958-1965 Chevrolet Corvette 327 348: Carburetors . Ultra-Sonic Cleaning3. With choke valve held closed and fast idle adjusting screw C, or fast idle adjusting tang, on high step of cam. Carter WCFB Accelerator Pump - Mikes Carburetor Parts This allows air instead of fuel to be drawn off the pump jets. 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. Disassembly2. Must be made after fast idle adjustment. 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 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. 1955 Chevy Hard starting after flooding. Carter WCFB Fast Idle With carburetor installed and engine warmed up. Fig. Use a brass drift punch. When removing valves they should be marked so that they get put back the same way. Kit looked complete but I ordered the wrong one based on the pump and of course with it being opened, it cannot be returned. Carter WCFB 4 Barrel Carburetor Rebuild - YouTube Take the top off and put the pump in the well all the way to the bottom. This circuit provides a measured amount of fuel when needed on acceleration until the vacuum and main circuit can take over. Be careful when removing the top of the carburetor that you don't force things and break the piston lever. If the secondary throttle plate is staying open, then check the primary shaft dog and spring. The piston is brass and can be damaged very easily. If a loss of rpm is noted, or if the engine dies, and air leak exists. 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