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 See figure 9F-2. Loosen the clamp screw A Press. However, it is very similar and I found it very useful. Other than that, great company to deal with. cm448. 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. Did the old gasket get removed? The fuel is also conducted through a passage in the air horn to the secondary needle seat. Adjust idle screws D to produce a smooth idle of correct speed is obtained. William C. Carter was born in Union City Tennessee in 1884. 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.
PDF Carter Carb Identification Chart - annualreport.psg.fr Float drop not set, or fuel pump pressure too low. They know their stuff and provide technical assistance and guides in both paper and video formats. DO NOT apply any pressure on the needle. 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
How to Modify a Carter or Edelbrock Carburetor - Muscle Car DIY Because the float is maintained in a level position, needle valve bounce is minimized and excess fuel entry into the bowl is prevented. Solid fuel has the 2 tubes pointing up. Blow through the intake check passage to be sure the passage is open. This E-manual is pictured with the Carter WCFB carburetor with the upper auto choke. 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. Make sure the pump relief check is clean. This allows air instead of fuel to be drawn off the pump jets. All These Part Numbers Interchange Into Our Part No.
Should You Build Your Own Carter Carburetor? - Carb-O - MotorTrend If adjustment is required, remove dust cover and bend arm that operates the vent mechanism. Carter WCFB, 4 barrel carburetor manual. 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).
Carter Carburetor Identification - Carburetor kits, parts and manuals The most complete document I have found. parts. 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. A WGD usually has a pump arm like that of a WCFB (IIRC). One of the butterflies is open about 1/8 with the carburetor dis assembled.
Why Doesn't Adjusting Idle Mixture Screws Make any Difference? Look for breaks in the new gasket, or cracks around the threaded area.The needle could have been damaged while adjusting the floats. Make sure the pontoons are centered and will not rub the bowl sides. 60 pages of great info. The metering rod adjustment should be done after the pump adjustment. When that is the case, I bend the accel. pump rod until the top of the pump arm is horizontal (or the screw that retrains it is perfectly vertical, if you prefer). Can't find the answer you're looking for. Make sure these are clear if you have percolation problems. 1955 Chevy Hard starting after flooding. 5:04. Be sure these ports are clear. Enter Carb Number. How to Adjust a Carter BBD 2 Barrel | It Still Runs The Carter carburetor has been around for a very long time. Though fuel float bowl full, cant get gas into the accelerator pump chamber of the carb. *New Main Body Gasket8. 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. Check throttle linkage to make sure that primary throttle valves come to full wide open position. Please complete the fields below to send your friend a link to this product. You cannot go wrong with Mikes carburetor in any way. a. The fuel is also conducted through a passage in the air horn to the secondary needle seat. It needs about 4 lbs of pressure. Watch this.
19591961 Chevrolet Carter WCFB Carburetor Adjust by bending arm (J) on choke trip lever. Place the choke housing toward the left and remove upper right main body to throttle body screw. 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.
How To Replace the Carter WCFB 4 Barrel Fast Idle Spring? They sometimes need trimming. At idle you are at maximum vacuum which makes the metering rods drop down into the main jets. Carter WCFB Accelerator Pump Adjustment The accelerator pump is used to provide an extra squirt of fuel when you step on the gas. Seat the intake check by tapping lightly in the hole to form a good seal. Download was not the correct rebuild instructions for my WCFB carburetor, and the correct version was not available. Add a couple drops of oil to the leather. Readjust idle to 500 RPM and fast idle to 1200 RPM On 1955 models set choke two points lean. Hold a straight edge across top of dust cover housing, next to the pump arm. Place the choke housing toward the left and remove upper right main body to throttle body screw. Adjust by bending the connector rod at the lower bend (E). but if it runs well you don't really need to make any adjustments.
building a wcfb 2x4 setup | Hot Rod Forum Hold air horn upright with floats hanging.
THE CARBURETOR SHOP / WCFB and 4-GC floats 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 . I rebuilt a Carter WCFB carburetor with the lower auto choke setup. You need to run wire down all small passages. 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. The piston is brass and can be damaged very easily. Probably around 4- 4.5lbs. 1955 Cadillac Idle Air Mixture Circuit WCFB Carburetor Cutting Out on Left Hand Turn Includes theory, diagrams, detailed specifications, tune-up data and complete overhaul procedures. You should feel some pressure and fluid should not be bypassing the check needle. The download link can be found on your order confirmation email which you will receive as soon as you complete the order. Change the choke setting to index. You may even have to resort to finding a used WCFB carburetor. 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 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 Rotate throttle stop screw E until engine idle at approx 500 RPM. Ultra-Sonic Cleaning3. Free shipping for many products! Buy REMANUFACTURED CARTER WCFB CARBURETOR 3696S For 1958-1965 Chevrolet Corvette 327 348: Carburetors . With mineral spirits in the float bowl, Raise the pump.
Carter WCFB Technical - Carburetor Parts Carter WCFB Carburetor Manual - Mike's Carburetor Parts Disassembly2.
THE CARBURETOR SHOP / Troubleshooting Examine the viton tip for any marks.Fuel pump pressure could be too high. Both valves should be closed. One is in the secondary venturi and the other just above the throttle plate. Is there a pointed check weight in the main discharge hole. This restricts the flow of fuel. Quick test to see if the accelerator pump is working. As for the pump not squirting.I suspect the pump well isnt filling up. 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 Adjustments - Mikes Carburetor Parts You will need to check your motors manual for the spec, but around 4 or 5 should be plenty. 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 should not be opened up. Technical Details. Refer to the Adjustment Data Table for adjustment dimensions. Check the low speed jets to make sure they are clear (#44).
WCFB 4 Barrel Carburetor Float Adjustment 1952 Carter WCFBsetting idle - Discussion Forums Carter WCFB 4 Barrel Carburetor Float System. This restricts the flow of fuel. 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. Coat threads of screw with sealing compound and install it. Ethanol leaves deposits behind that acts like corrosion. 1955 Pontiac - Loading or Carburetor Flooding The Carter AFB uses weights, and therefore never goes out of adjustment. Carter WCFB 4 Barrel Carburetor Float System, Engine wont idle, or dies after the choke is opened, or runs better when choke closed. 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. When removing valves they should be marked so that they get put back the same way. Put some fluid in theaccelerator pumpwell and press down on the pump. It's highlighted yellow and will look something like this. Back out the throttle lever set screw (idle screw) to allow throttle valves to seat in the bores of the carburetor. Float adjusted wrong check float level.Float leaking heat up some water and immerse the float. Rochester and Carter replacement parts are interchangeable. This can be done by looking at the impression on bowl cover gasket. Rotate throttle stop screw E until engine idle at approx 500 RPM. Check to see that slots in air cleaner gasket line up with vent tubes and do not rotate gasket during installation of air cleaner. 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? Once you get the piston out, clean, Carter WCFB Vacuum Piston the cylinder so that the piston move very free up and down. I have taken this carb a part and rechecked floats adjustments and blown out passages with compressed air thank you. If the secondary throttle plate is staying open, then check the primary shaft dog and spring. 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! Put a straight edge across the dust cover as illustrated. Back out throttle screw so that the throttle valve close completly. Product information . Carter WCFB 4 Barrel Carburetor Float System.
PDF Parts List Carter Carburetor Model Wcfb 1st check to make sure the fast idle linkage isnt holding the valves open. 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 metering rods must be installed after the pump adjustment or when leaner than standard rods are installed. The all-aluminum AFB (Aluminum Four Barrel) was a big innovation in 1957, and lives on today under the Edelbrock name. Turn knurled nut of gauge until finger on gauge just touches top of plunger shaft (A). 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. Fast, secure e-book download.
Carter WCFB 4 Barrel Accelerator Pump Circuit - YouTube I have a 1952 Buick Roadmaster and just rebuilt the Carter WCFB carb, and I'm setting the idle according to the factory manual. 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. Do not depress float lip against spring in needle, but let float rest of its own weight. He only had 5-years of formal education and in 1909, he founded the Carter Carburetor Manufacturing Co in St. Louis. Carter WCFB Build Sheets Good quality print. Ultra-Sonic Cleaning3. Can you help me out? Use a brass drift punch. 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. Tyler's Forgotten Car Rescue 22,933 views. The setups data is the same.
Carter WCFB 4 Barrel Metering Rod - Mikes Carburetor Parts Blowing out passages will not get them clean enough. If it is, tap gently with a hammer and the same brass drift punch to seat it, or replace the check weight. Carter WCFB 4 Barrel Carburetor Float System. There should now be 9/64 clearance between upper edge of choke valve and inner wall of air horn. Carter WCFB Rebuild kits: Rebuild Kits. There should now be .018 .023 clearance between throttle valve and bore of carburetor (side opposite idle port). Make sure the air cleaner gasket does not block the bowl vents.
Home - Carburetor Manual Ebooks Shorter and smaller overall than the 4GC Rochester, the WCFB was the right choice for dual-quads on a compact . Be careful when removing the top of the carburetor that you don't force things and break the piston lever. The item you are trying to purchase is currently out of stock.Please enter your name, email, and phone number below. 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. It will be very helpful as I try to improve my performance and emissions of my 57 Corvette street machine. Back off the idle screw so that the throttle plates close completely. Air Bled has the venturi tube pointing down into the bore. Carter WCFB Fast Idle With carburetor installed and engine warmed up. Complete service manual: Comprehensive factory service information (341 pages) for the Carter WCFB carburetor. The accelerator pump circuit resides on the primary side of this carburetor. When the engine gets hot and then is shut off, gas can sometimes overheat and then boil. WCFB carburetors, althqugh basically all units are allke. Back out throttle lever set screw until throttle valves seat in bores of carburetor.
Carter WGD Adjustments - Mikes Carburetor Parts In this video I show you how to replace the fast idle spring on the WCFB carburetor. Low fuel pump pressure always check you motors manual for the correct pressure. Correct by removing any burrs or nicks. All late model WCFB carburetors have three different length bowl cover screws. The idle mixture screws adjust the amount of air/fuel mixture that goes up to the venturi at idle. Metering rods for the WCFB have been out of production for several years now. To correct, remove carburetor and turn it upside down. Carter WCFB Adjustments Metering Rod Adjustment Back out throttle screw so that the throttle valve close completly. The vacuum piston is no longer produced and can only be found as a NOS piece, or used.
How Do You Look up Carter Carburetor ID Numbers Online? - Reference.com Could the float bowl actually be the problem? Note te larger box, and the number of additional tools from the 1935 set. At idle you are at maximum vacuum which makes the metering rods drop down into the main jets. *New Float6. Maximum float buoyancy is generally accomplished when the float pontoons are at a 90-degree angle to the fuel valve. The suction along with the fuel weight pulls fuel through the intake check via the passage to the fuel bowl. As the spring fatigues, the air valve will open too soon, creating an instantaneous lean condition, and a bog. Some have a coating to give it a better shelf life. Manufacturer CARTER : Brand CARTER WCFB : Model Carter 4 BBL WCFB : Item Weight 12 pounds : Country of Origin USA . With the thermostatic coil housing gasket and baffle plate removed, crack throttle valve and hold choke valve closed. The bowl vent is used to vent the float bowl, otherwise a siphoning of the gas can occur. The single step rods were used on some of the price leader carburetors (i.e.
Carter 2 Barrel BBD Adjustments - YouTube Hold throttle valve wide open and close choke valve as far as possible without forcing. These diagrams include: Fig. 3: Holley 4150 idle mixture and speed adjustment screws. Adjust by bending unloader lip on throttle shaft lever. Seat the discharge check by tapping lightly in the hole to form a good seal. Secondarys are somehow stuck open (which amounts to a vacuum leak). b. 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. 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. Measure from toe B to air horn. Hold air horn upside down with floats in place and gasket removed. Rotate screw C, or bend tang, until throttle valves are open the distance listed in, With throttle valves held wide open, there should be a clearance between upper edge of choke valve and the inner wall of air horn (. Your friend will receive an email from you with a link to our site. Will Carter introduced the world's first 4-barrel carburetor, the WCFB (Will Carter Four Barrel) which raised air-flow to unprecedented levels. Rebuilding Carter BBD carburetor part 3 - Duration: 5:04. Blow air through the main discharge to make sure the passage is clear all the way to the pump well. (note) The metering rods will fit into the jets loosely. 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. Press down on the vacummeter link (H) until the metering rods bottom in the carburetor body (J).
If not, then find the check ball and make sure it is loose. Also make sure one isnt rubbing on the side. The best-selling product Click now to browse 1957 LINCOLN ACCELERATOR PUMP CARTER WCFB FLUORELASTOMER CUP ETHANOL RESITANTIS we ship worldwide cch-rc.com, C $45.04 Free shipping for many products Find many great new & used options and get the best deals for 1957 LINCOLN ACCELERATOR PUMP CARTER WCFB FLUORELASTOMER CUP ETHANOL RESITANTIS at the . Can't find the answer you're looking for? Most of the single step rods were steel. It isn't unusual for the vacuum piston on the WCFB to become frozen in the cylinder where it resides. The accelerator pump is used to provide an extra squirt of fuel when you step on the gas. Fig. 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 When replacing them hold them tight against the wall while tightening the screw. Recheck unloader settings with carburetor on the engine. 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. The adjustment of the pump is important in order to get the required fuel. 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). They work fine when I push hard down on the piston. Carter built the first successful 4 barrel carburetor, the WCFB (Will Carter Four Barrel) which first appeared in 1953 on Buick cars. Measure float height as illustrated above. The lower edge of vent valve cap should be raised above surface of dust cover the distance listed in the. 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.
Carter WCFB Carburetor Troubleshooting The cfm of the Carter WCFB four-barrel carburetor is approximately 400. 2: Carter AFB idle mixture and speed adjustment screws. The well should fill with fluid. To correct, remove carburetor and tighten throttle lever by either peening end of shaft over, or soldering end of shaft to throttle lever. From my experience it is the most complete and comprehensive source for all things carburetor, encompassing a massive spectrum of makes models and applications. Fuel pump working as it should (pulsates and sprays gas each time cam lobe activates it). The ends of the connector rod should point to the throttle arm side. If not then clean it and try again. When I slow down to an idle, my engine runs rough.
Probably not since only one butterfly is open. 1957 Desoto Adventurer Loose Throttle Lever Rear Carburetor. The high speed air bleed and the secondary bleed tube also acts as an anti-percolator. With choke valve held closed and fast idle adjusting screw C, or fast idle adjusting tang, on high step of cam.
This is an electronic rebuild manual, no physical copy will be provided.
cm448 Carter WCFB Carburetor Manual - carbkitsource.com 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 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. 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). With carburetor installed and engine warmed up. Must be made after fast idle adjustment. Carter WCFB 4 Barrel Carburetor Float System Adjusting the WCFB float level and float drop. I have repeated multiple times with same results.
19571958 Plymouth Fury Carter WCFB Carburetor *Remanufactured | eBay Readjust dashpot plunger to move 1/16 inch on closing of throttle valves. Gasket removed as shown A. Kit looked complete but I ordered the wrong one based on the pump and of course with it being opened, it cannot be returned. Can't find the answer you're looking for? Back out throttle stop screw until throttle valves seat in bores.
Carter Metering Rod Technology - THE CARBURETOR SHOP Everyone Has Started an Engine in the .
1956-1957 Chevrolet Carter WCFB Carburetor 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. Be careful removing the intake check retainer. This is percolation. *New Accelerator Pump5. Measure from center top surface of pontoons to air horn.
This check prevents excessive pressure in the discharge passage during acceleration. Any bubbles indicates a leak.Make sure the 2 floats are the same height.
Carter WCFB Archives - Mikes Carburetor Parts Do not depress float lip against spring in needle, but let float rest of its own weight. 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. 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. 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.
REMANUFACTURED CARTER WCFB CARBURETOR 3696S For 1958-1965 Chevrolet Can't find the answer you're looking for? Anti-Rust "Dichromate" Finish**4. 41-108N Carter 2818S Carter 3059S What Has Been Done to This Carburetor?1. Disassembly2. Adjusting the WCFB Metering Rods The Carter WCFB, 4 barrel carburetor metering rods are used to meter the fuel getting into the carburetor bore.
GM Corvette 1963-1982 Idle Speed and Mixture Repair Guide Servicing The Rochester Quadrajet Carburetor - MotorTrend They are not meant to fill the hole, only to restrict it. New fuel pumps are especially suspect. The accelerator pump circuit resides on the primary side of. 1956 Chevrolet Corvette & Super Power Kit Engine Idle Speed, Idle Mixture and Throttle Linkage Adjustment Procedure. 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. WCFB Carburetor Cutting Out on Left Hand Turn.