Reinstall carburetor, align and readjust inter connecting rod to manufacturers specifications. Install the pump connector rod (D) in the outer hole, long stroke. Must be made after fast idle adjustment. 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. *New Main Body Gasket8. The carburetor will flood. With the thermostatic coil housing gasket and baffle plate removed, crack throttle valve and hold choke valve closed. What more could you ask for? 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. Carter WCFB 4 Barrel Carburetor Float System, Engine wont idle, or dies after the choke is opened, or runs better when choke closed. The setups data is the same. Access our free Idle Speed and Mixture Repair Guide for Chevrolet Corvette 1963-1982 through AutoZone Rewards. The Carter AFB uses weights, and therefore never goes out of adjustment. Carter Carburetor Identification - Carburetor kits, parts and manuals On 1956 models one point rich. 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. 41-98N Carter 2366S Carter 2505S Carter 2555S Carter 2655S Carter 2669S. Can't find the answer you're looking for? Adjust by bending the connector rod at the lower bend (E). Make sure manifold heat control valve is free. Carter WCFB 4 Barrel Carburetor Carter WCFB Metering Rods - YouTube Do not depress float lip against spring in needle, but let float rest of its own weight. Pulloffs : CUFWCFB2 $ 0 . 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 Carter WCFB Carburetor Manual - Mike's Carburetor Parts Gasket removed. Look for breaks in the new gasket, or cracks around the threaded area.The needle could have been damaged while adjusting the floats. 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. I purchased from you a rebuild kit for Carter WCFB 4 barrel carb on my 1955 Chev. Blow through the intake check passage to be sure the passage is open. With carburetor installed and engine warmed up. As the throttle is opened the pump moves down the pump well forcing the intake check closed and forcing fuel out the main discharge. 1952 Carter WCFBsetting idle - Discussion Forums Add a couple drops of oil to the leather. 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. 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 download link can be found on your order confirmation email which you will receive as soon as you complete the order. Includes theory, diagrams, detailed specifications, tune-up data and complete overhaul procedures. To correct, remove carburetor and turn it upside down. 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. One of the butterflies is open about 1/8 with the carburetor dis assembled. This restricts the flow of fuel. The ends of the connector rod should point to the throttle arm side. The WCFB carburetor which came on some of the earliest Piston force is too much for linkage. When looking to replace your metering rod keep in mind that Carter used several different lengths of rods in the WCFB. WCFB Carburetor Cutting Out on Left Hand Turn. However, it is very similar and I found it very useful. Carter WCFB 4 Barrel Carburetor Float System. The Carter WCFB carburetors have a square-ish body with a rectangular air horn that protrudes above the air. This allows air instead of fuel to be drawn off the pump jets. Carter WCFB 4 Barrel Carburetor Float System. PDF Parts List Carter Carburetor Model Wcfb The float lifter spring also provides better float and fuel level stability when operating on rough, washboard type roads. Ethanol leaves deposits behind that acts like corrosion. 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 is caused by side strain on throttle lever due to misalignment and maladjustment of the carburetor interconnection rod. They are staked in the hole. A fuel pump cannot be tested by unhooking the line and seeing if gas comes out. From my experience it is the most complete and comprehensive source for all things carburetor, encompassing a massive spectrum of makes models and applications. Back out throttle screw so that the throttle valve close completly. Examine the viton tip for any marks.Fuel pump pressure could be too high. 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. 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. Carter WCFB Carburetor Troubleshooting The Carter WCFB, 4 barrel carburetor metering rods are used to meter the fuel getting into the carburetor bore. How to Adjust a Carter BBD 2 Barrel | It Still Runs The Carter carburetor has been around for a very long time. Adjust by bending arm (J) on choke trip lever. Adjust idle screws D to produce a smooth idle of correct speed is obtained. 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 Check any vents to make sure they are open. Carter WCFB 4 Barrel Carburetor Rebuild - YouTube This is an electronic rebuild manual, no physical copy will be provided. Both valves should be closed. Do not depress float lip against spring in needle, but let float rest of its own weight. Carter WCFB 4 Barrel Metering Rod - Mikes Carburetor Parts Maximum float buoyancy is generally accomplished when the float pontoons are at a 90-degree angle to the fuel valve. Back out throttle stop screw until throttle valves seat in bores. It should not be opened up. Quick test to see if the accelerator pump is working. I have a 1952 Buick Roadmaster and just rebuilt the Carter WCFB carb, and I'm setting the idle according to the factory manual. Change the choke setting to index. You will need to check your motors manual for the spec, but around 4 or 5 should be plenty. Any pressure put on the needle will damage 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. Carter WCFB, 4 barrel metering rod adjustment instructions. 1957 Desoto Adventurer Loose Throttle Lever Rear Carburetor. Carter WCFB Metering Rods - carburetor-parts.com I. DISASSEMBLY. When I slow down to an idle, my engine runs rough. Carter WCFB Rebuild kits: Rebuild Kits. Other 4 barrel carburetors such as the Carter AVS, Carter TQ, Rochester 4GC, and Rochester Q-Jet have a tensioned secondary spring. Carter WGD Adjustments - Mikes Carburetor Parts Ultra-Sonic Cleaning3. This E-manual is pictured with the Carter WCFB carburetor with the upper auto choke. Can you help me out? It will be very helpful as I try to improve my performance and emissions of my 57 Corvette street machine. The fuel is also conducted through a passage in the air horn to the secondary needle seat. At idle you are at maximum vacuum which makes the metering rods drop down into the main jets. We use a small bottle type of brush and spray silicon spray into the cylinder while we clean. Tyler's Forgotten Car Rescue 22,933 views. The Carter WCFB and AFB designs fit easily beneath the low profile C1 and C2 hoods. Ideas?? Adjust by bending lip of float, not float arm. Good quality print. 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. Back off the idle screw so that the throttle plates close completely. There should now be .018 .023 clearance between throttle valve and bore of carburetor (side opposite idle port). Float drop not set, or fuel pump pressure too low. How to Modify a Carter or Edelbrock Carburetor - Muscle Car DIY 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. 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 Parts Page - carburetion.com 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. 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 . The well should fill with fluid. How To Replace the Carter WCFB 4 Barrel Fast Idle Spring? Carter WCFB 4 Barrel Carburetor Float System Adjusting the WCFB float level and float drop. Take the top off and put the pump in the well all the way to the bottom. Then close throttle. DO NOT apply any pressure on the needle. Did the old gasket get removed? All late model WCFB carburetors have three different length bowl cover screws. Check throttle linkage to make sure that primary throttle valves come to full wide open position. Hold in place and carefully tighten metering rod arm set screw (G). Can't find the answer you're looking for? Home - Carburetor Manual Ebooks Hold throttle valve wide open and close choke valve as far as possible without forcing. Though fuel float bowl full, cant get gas into the accelerator pump chamber of the carb. Adjusting the WCFB Metering Rods The Carter WCFB, 4 barrel carburetor metering rods are used to meter the fuel getting into the carburetor bore. If the secondary throttle plate is staying open, then check the primary shaft dog and spring. Make sure there is a check needle below the main discharge. The fuel is also conducted through a passage in the air horn to the secondary needle seat. Free shipping for many products! A balance passage connects the primary and secondary float chambers to provide fuel level control when the vehicle is accelerating, stopping, or rounding curves. Carter Carburetor Manual Carter WCFB Accelerator Pump - Mikes Carburetor Parts The lower edge of vent valve cap should be raised above surface of dust cover the distance listed in the. Loosen the clamp screw A Press. Once you get the piston out, clean, Carter WCFB Vacuum Piston the cylinder so that the piston move very free up and down. Fast, secure e-book download. The single step rods were used on some of the price leader carburetors (i.e. 41-108N Carter 2818S Carter 3059S What Has Been Done to This Carburetor?1. They sometimes need trimming. The idle mixture screws adjust the amount of air/fuel mixture that goes up to the venturi at idle. . 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. 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. Servicing The Rochester Quadrajet Carburetor - MotorTrend No metering rod gauges are necessary. Holding the rods down and seated in the bottom (J), revolve metering rod arm until finger on arm contacts lip (K) of vacumeter link. 3: Holley 4150 idle mixture and speed adjustment screws. 19571958 Plymouth Fury Carter WCFB Carburetor *Remanufactured | eBay 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. To correct, remove carburetor and tighten throttle lever by either peening end of shaft over, or soldering end of shaft to throttle lever. Carter WCFB 4 Barrel Adjust Float - YouTube Put some fluid in theaccelerator pumpwell and press down on the pump. Refer to the Adjustment Data Table for adjustment dimensions. Make sure the air horn contacts the inner wall of the bowl. Someone has installed it improperly. Carter WCFB 4 Barrel Carburetor Float System. The file is in PDF format, you can download and save/print a copy. New fuel pumps are especially suspect. Blowing out passages will not get them clean enough. Make sure the pontoons are centered and will not rub the bowl sides. When done you should see very little daylight around the valve. Most of the single step rods were steel. These manuals contain specifications, parts lists and instructions.The manuals can also be used to help identify those carburetors without tags. *New Accelerator Pump5. Be careful removing the intake check retainer. This circuit provides a measured amount of fuel when needed on acceleration until the vacuum and main circuit can take over. GM Corvette 1963-1982 Idle Speed and Mixture Repair Guide You should feel some pressure and fluid should not be bypassing the check needle. Measure from center top surface of pontoons to air horn. Disassembly2. You may even have to resort to finding a used WCFB carburetor. THE CARBURETOR SHOP / Troubleshooting I rebuilt a Carter WCFB carburetor with the lower auto choke setup. *New Airhorn Gasket7. Other than that, great company to deal with. William C. Carter was born in Union City Tennessee in 1884. Hold air horn upside down with floats in place and gasket removed. With choke valve held closed and fast idle adjusting screw C, or fast idle adjusting tang, on high step of cam. 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. Rochester and Carter replacement parts are interchangeable. The discharge check is seated at this time to prevent air being drawn into the pump well. BBS) and were basically an on/off condition similar to the function of a power valve. WCFB | Carter Carburetors, Parts & Rebuild Kits Adjust by bending lip of float, not float arm. Some have a coating to give it a better shelf life. Seat the discharge check by tapping lightly in the hole to form a good seal. Shorter and smaller overall than the 4GC Rochester, the WCFB was the right choice for dual-quads on a compact . Recheck float adjustments. Carter WCFB Technical - Carburetor Parts You need to run wire down all small passages. With throttle valves seated in bores, dust cover and gasket in place. Will Carter introduced the world's first 4-barrel carburetor, the WCFB (Will Carter Four Barrel) which raised air-flow to unprecedented levels. Recheck unloader settings with carburetor on the engine. Watch on. 1st check to make sure the fast idle linkage isnt holding the valves open. The high speed air bleed and the secondary bleed tube also acts as an anti-percolator. Also check for overheating of the engine, fuel lines too close to the manifold, or too much heat in the engine department. Blow air through the main discharge to make sure the passage is clear all the way to the pump well. 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. They know their stuff and provide technical assistance and guides in both paper and video formats. The flat surface of the pump arm should be parallel to the straight edge. Adjust by bending unloader lip on throttle shaft lever. Because the float is maintained in a level position, needle valve bounce is minimized and excess fuel entry into the bowl is prevented. 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. 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. Ethanol gas does not have much if any lubrication. On the WCFB the check ball is usually at the bottom of the pump well. cm448: Ebook carburetor service manual - 341 pages, 272 MBytes, pdf format. The download link will expire in 30 days. Rotate throttle stop screw E until engine idle at approx 500 RPM. When closing the throttle, the accelerator moves up in the pump well. Eckler's Premier Quality Products 57132129 Chevy Carburetor Rebuild Kit Carter WCFB Replacement Kit Includes All Gaskets, Seals, Check Balls, Springs, Accelerator Pump & Needle Valve Read more CARTER 4 Barrel WCFB DUAL CARBURETOR KITS & FUEL FILTERS 1961-65 CHEVROLET 1955-56 DESOTO April 18, 2018 Carter Carburetors Rebuild Kits a. 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. It's highlighted yellow and will look something like this. 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 Place the choke housing toward the left and remove upper right main body to throttle body screw. Make sure the pump relief check is clean. 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). THE CARBURETOR SHOP / Carter carburetor special tools When replacing them hold them tight against the wall while tightening the screw. parts. 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). Test the needle by holding it down gently with a brass drift punch. Probably not since only one butterfly is open. It needs about 4 lbs of pressure. Fuel pump working as it should (pulsates and sprays gas each time cam lobe activates it). Disassembly2. Older kits 30-70s. Fig. If it is, tap gently with a hammer and the same brass drift punch to seat it, or replace the check weight. Can't find the answer you're looking for? When removing valves they should be marked so that they get put back the same way. WCFB carburetors, althqugh basically all units are allke. 1957 Lincoln Accelerator Pump Carter Wcfb Fluorelastomer Cup Ethanol Seat the intake check by tapping lightly in the hole to form a good seal. Make sure these are clear if you have percolation problems. 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. 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. If not, then find the check ball and make sure it is loose. 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. 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. Your friend will receive an email from you with a link to our site. Test the floats in hot water and if you get any bubbles then they are leaking. 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.