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DO NOT apply any pressure on the needle. Adjust by bending unloader lip on throttle shaft lever. Also check for overheating of the engine, fuel lines too close to the manifold, or too much heat in the engine department. It isn't unusual for the vacuum piston on the WCFB to become frozen in the cylinder where it resides. Measure float height as illustrated above. You will need to check your motors manual for the spec, but around 4 or 5 should be plenty. The bowl vent is used to vent the float bowl, otherwise a siphoning of the gas can occur. 1956 Chevrolet Corvette & Super Power Kit Engine Idle Speed, Idle Mixture and Throttle Linkage Adjustment Procedure. Using the exploded view on reverse side as a guide, disassemble the carburetor far enough to permit thorough cleaning and inspec tion o! You need to run wire down all small passages. Ultra-Sonic Cleaning3. This is an electronic rebuild manual, no physical copy will be provided. Disassembly2. Adjust by bending float arms, making sure both pontoons on each float are the same height. Back out the throttle lever set screw (idle screw) to allow throttle valves to seat in the bores of the carburetor. The accelerator pump circuit resides on the primary side of. Carter WCFB 4 Barrel Carburetor Float System Adjusting the WCFB float level and float drop. The Carter WCFB carburetors have a square-ish body with a rectangular air horn that protrudes above the air. With the thermostatic coil housing gasket and baffle plate removed, crack throttle valve and hold choke valve closed. Free shipping for many products! As for the pump not squirting.I suspect the pump well isnt filling up. From my experience it is the most complete and comprehensive source for all things carburetor, encompassing a massive spectrum of makes models and applications. Though fuel float bowl full, cant get gas into the accelerator pump chamber of the carb. GM Corvette 1963-1982 Idle Speed and Mixture Repair Guide 1955 Chevy Hard starting after flooding. Carter Carburetor Identification - Carburetor kits, parts and manuals Watch on. The download link can be found on your order confirmation email which you will receive as soon as you complete the order. Can't find the answer you're looking for? 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. Any bubbles indicates a leak.Make sure the 2 floats are the same height. Carter WCFB, 4 barrel carburetor manual. Hold in place and carefully tighten metering rod arm set screw (G). 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. One is in the secondary venturi and the other just above the throttle plate. Can't find the answer you're looking for? 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 Carter WCFB 4 Barrel Carburetor Float System. 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 . The most complete document I have found. 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! This can be done by looking at the impression on bowl cover gasket. A WGD usually has a pump arm like that of a WCFB (IIRC). Carter Carburetor Manual Refer to the Adjustment Data Table for adjustment dimensions. This box did not have a part number. How to Modify a Carter or Edelbrock Carburetor - Muscle Car DIY 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). 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? 1955 Pontiac - Loading or Carburetor Flooding This restricts the flow of fuel. The metering rods must be installed after the pump adjustment or when leaner than standard rods are installed. 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. The high speed air bleed and the secondary bleed tube also acts as an anti-percolator. Float adjusted wrong check float level.Float leaking heat up some water and immerse the float. Product information . Any pressure put on the needle will damage it. Turn knurled nut of gauge until finger on gauge just touches top of plunger shaft (A). You are flooding (getting too much gas in the float bowl), caused by these types of problems. Carter WCFB 4 Barrel Carburetor It should not be opened up. Press down on the vacummeter link (H) until the metering rods bottom in the carburetor body (J). Carter WCFB Archives - Mikes Carburetor Parts We will contact you as soon as this product is available. Test the floats in hot water and if you get any bubbles then they are leaking. Run a blunt object around the inside of the leather cup to make sure any coating is broken. Check the low speed jets to make sure they are clear (#44). When looking to replace your metering rod keep in mind that Carter used several different lengths of rods in the WCFB. 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. Could the float bowl actually be the problem? 60 pages of great info. If adjustment is required, remove dust cover and bend arm that operates the vent mechanism. Adjust by bending throttle connector rod at upper angle (B). The idle mixture screws adjust the amount of air/fuel mixture that goes up to the venturi at idle. When replacing them hold them tight against the wall while tightening the screw. Place the choke housing toward the left and remove upper right main body to throttle body screw. The single step rods were used on some of the price leader carburetors (i.e. Measure from toe B to air horn. The Carter WCFB, 4 barrel carburetor metering rods are used to meter the fuel getting into the carburetor bore. 1952 Carter WCFBsetting idle - Discussion Forums Some models have a pump relief check in the bottom of the fuel bowl. Carter WCFB Adjustments - Mikes Carburetor Parts Rochester and Carter replacement parts are interchangeable. This is percolation. Be sure these ports are clear. 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. With rods held in this position, revolve metering rod arm (F) until lip contacts vacumeter link. Carter WCFB Accelerator Pump Quick test to see if the accelerator pump is working. 1956 Plymouth, Powerflite Transmission Dashpot, 1955 Pontiac Loading or Carburetor Flooding, 1956 Pontiac Hard Starting, Partially Warm Engine. It will be very helpful as I try to improve my performance and emissions of my 57 Corvette street machine. Carter WCFB 4 Barrel Accelerator Pump Circuit 3,951 views Jul 13, 2018 33 Dislike Share Mikes Carburetor 20K subscribers https://www.carburetor-parts.com is providing this video about how the. Is there a pointed check weight in the main discharge hole. The fuel is also conducted through a passage in the air horn to the secondary needle seat. 41-98N Carter 2366S Carter 2505S Carter 2555S Carter 2655S Carter 2669S. Probably not since only one butterfly is open. The well should fill with fluid. This eliminates any bog or hesitation when acceleration. It needs about 4 lbs of pressure. 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 I have a 1952 Buick Roadmaster and just rebuilt the Carter WCFB carb, and I'm setting the idle according to the factory manual. Measure from center top surface of pontoons to air horn. Back out throttle stop screw until throttle valves seat in bores. 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. *New Float6. Check throttle linkage to make sure that primary throttle valves come to full wide open position. THE CARBURETOR SHOP / WCFB and 4-GC floats The mixture screw may be bent, or damaged. Adjusting the WCFB float level and float drop. The item you are trying to purchase is currently out of stock.Please enter your name, email, and phone number below. With choke valve held tightly closed, take slack out of linkage and tighten clamp screw on choke lever. Carter carburetors fitted with air bleed idle mixture adjustment also have fuel emulsion mixture needles, but these are sealed at the factory to limit the amount of fuel admitted during idle. (note) The metering rods will fit into the jets loosely. They are staked in the hole. 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. Why Doesn't Adjusting Idle Mixture Screws Make any Difference? Carter WCFB 4 Barrel Carburetor Float System, Engine wont idle, or dies after the choke is opened, or runs better when choke closed. With carburetor installed and engine warmed up. Access our free Idle Speed and Mixture Repair Guide for Chevrolet Corvette 1963-1982 through AutoZone Rewards. Rebuilding Carter BBD carburetor part 3 - Duration: 5:04. If not then clean it and try again. Carter 2 Barrel BBD Adjustments - YouTube Fast, secure e-book download. Take the top off and put the pump in the well all the way to the bottom. They need to be centered in the bowl.Fuel could be leaking around the needle & seat. Make sure the air horn contacts the inner wall of the bowl. Sometimes scraping around the edges with an awl will remove the staking. Complete service manual: Comprehensive factory service information (341 pages) for the Carter WCFB carburetor. The suction along with the fuel weight pulls fuel through the intake check via the passage to the fuel bowl. Correct by removing any burrs or nicks. Carter WCFB Technical - Carburetor Parts 2: Carter AFB idle mixture and speed adjustment screws. Look for breaks in the new gasket, or cracks around the threaded area.The needle could have been damaged while adjusting the floats. Coat threads of screw with sealing compound and install it. Check your auto manual for the spec, but somewhere around 4-5 lbs would be good.Be sure the power piston is not frozen in one position. 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. The ends of the connector rod should point to the throttle arm side. THE CARBURETOR SHOP / Carter carburetor special tools Use a brass drift punch. Adjust by bending lip of float, not float arm. The download link will expire in 30 days. Once you get the piston out, clean, Carter WCFB Vacuum Piston the cylinder so that the piston move very free up and down. Metering rods for the WCFB have been out of production for several years now. Carter WCFB 4 Barrel Carburetor Rebuild - YouTube Be careful removing the intake check retainer. Can't find the answer you're looking for. 1: Carter WCFB idle mixture and speed adustment screw location. Test the fuel pump to be sure it isnt putting out too much pressure. This is an electronic rebuild manual, no physical copy will be provided. 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. The flat on top of the pump arm should be parallel to the straight edge. 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 through the intake check passage to be sure the passage is open. Maximum float buoyancy is generally accomplished when the float pontoons are at a 90-degree angle to the fuel valve. These diagrams include: Fig. The float lifter spring also provides better float and fuel level stability when operating on rough, washboard type roads. Gasket removed. All These Part Numbers Interchange Into Our Part No. Readjust idle to 500 RPM and fast idle to 1200 RPM On 1955 models set choke two points lean. Can't find the answer you're looking for? Please complete the fields below to send your friend a link to this product. Do not depress float lip against spring in needle, but let float rest of its own weight. *New Airhorn Gasket7. WCFB 4 Barrel Carburetor Float Adjustment Reinstall carburetor, align and readjust inter connecting rod to manufacturers specifications. PDF Carter Carb Identification Chart - annualreport.psg.fr On the WCFB the check ball is usually at the bottom of the pump well. 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). 1956 Plymouth, Powerflite Transmission - Dashpot The dashpot has been eliminated. 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. but if it runs well you don't really need to make any adjustments. 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 Because the float is maintained in a level position, needle valve bounce is minimized and excess fuel entry into the bowl is prevented. These manuals contain specifications, parts lists and instructions.The manuals can also be used to help identify those carburetors without tags. 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.