The flat surface of the pump arm should be parallel to the straight edge. With the thermostatic coil housing gasket and baffle plate removed, crack throttle valve and hold choke valve closed. On the WCFB the check ball is usually at the bottom of the pump well.
Carter WCFB Carburetor Manual - Mike's Carburetor Parts I have a 1952 Buick Roadmaster and just rebuilt the Carter WCFB carb, and I'm setting the idle according to the factory manual. Carter WCFB Accelerator Pump Adjustment The accelerator pump is used to provide an extra squirt of fuel when you step on the gas. 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. 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 Adjustments - Mikes Carburetor Parts You are flooding (getting too much gas in the float bowl), caused by these types of problems. Once you get the piston out, clean, Carter WCFB Vacuum Piston the cylinder so that the piston move very free up and down. Hold throttle valve wide open and close choke valve as far as possible without forcing. Test the needle by holding it down gently with a brass drift punch. Recheck unloader settings with carburetor on the engine. The download link will expire in 30 days. One of the butterflies is open about 1/8 with the carburetor dis assembled. Ethanol leaves deposits behind that acts like corrosion. Will Carter introduced the world's first 4-barrel carburetor, the WCFB (Will Carter Four Barrel) which raised air-flow to unprecedented levels. Seat the discharge check by tapping lightly in the hole to form a good seal. Adjust by bending float arms, making sure both pontoons on each float are the same height.
19571958 Plymouth Fury Carter WCFB Carburetor *Remanufactured | eBay 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. You cannot go wrong with Mikes carburetor in any way. What more could you ask for? When Quadrajet carburetors have Carter's basic four-digit identification number before the letter S, the carburetors are aftermarket replacements. Adjust by bending arm (J) on choke trip lever. 1: Carter WCFB idle mixture and speed adustment screw location. 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). You should feel some pressure and fluid should not be bypassing the check needle. Any bubbles indicates a leak.Make sure the 2 floats are the same height. What Has Been Done to This Carburetor?1.
Carter WCFB 4 Barrel Carburetor Rebuild - YouTube 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. 3: Holley 4150 idle mixture and speed adjustment screws. Loosen the clamp screw A Press.
However, it is very similar and I found it very useful. When replacing them hold them tight against the wall while tightening the screw. Fast Idle or Idle at Cold Start has to be One of the More Important Adjustments on the Carburetor. Outside top of early Carter tool box with correct decal. 1956 Chevrolet Corvette & Super Power Kit Engine Idle Speed, Idle Mixture and Throttle Linkage Adjustment Procedure. The discharge check is seated at this time to prevent air being drawn into the pump well. Probably around 4- 4.5lbs. BBS) and were basically an on/off condition similar to the function of a power valve. Holding the rods down and seated in the bottom (J), revolve metering rod arm until finger on arm contacts lip (K) of vacumeter link. 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 Includes theory, diagrams, detailed specifications, tune-up data and complete overhaul procedures. WCFB carburetors, althqugh basically all units are allke. The ends of the connector rod should point to the throttle arm side. Test the fuel pump to be sure it isnt putting out too much pressure. Make sure these are clear if you have percolation problems. Most of the single step rods were steel. The vacuum piston is no longer produced and can only be found as a NOS piece, or used. Correct by removing any burrs or nicks. Measure from toe B to air horn. Blow air through the main discharge to make sure the passage is clear all the way to the pump well. This can be done by looking at the impression on bowl cover gasket. 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 This is percolation. If the secondary throttle plate is staying open, then check the primary shaft dog and spring. pump rod until the top of the pump arm is horizontal (or the screw that retrains it is perfectly vertical, if you prefer). Run a blunt object around the inside of the leather cup to make sure any coating is broken. Adjust by bending unloader lip on throttle shaft lever. New fuel pumps are especially suspect. Share. 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 (.
Install the pump connector rod (D) in the outer hole, long stroke. 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 2: Carter AFB idle mixture and speed adjustment screws. Rebuilding Carter BBD carburetor part 3 - Duration: 5:04. 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.
Carter WCFB 4 Barrel Carburetor Carter WCFB Accelerator Pump Quick test to see if the accelerator pump is working. Also check for overheating of the engine, fuel lines too close to the manifold, or too much heat in the engine department. Test the floats in hot water and if you get any bubbles then they are leaking. Technical Details. 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.
Servicing The Rochester Quadrajet Carburetor - MotorTrend Also make sure one isnt rubbing on the side. The Carter WCFB carburetors have a square-ish body with a rectangular air horn that protrudes above the air. When the engine gets hot and then is shut off, gas can sometimes overheat and then boil.
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. The flat on top of the pump arm should be parallel to the straight edge. Press down on the vacummeter link (H) until the metering rods bottom in the carburetor body (J). 1956 Plymouth, Powerflite Transmission - Dashpot The dashpot has been eliminated. cm448. This eliminates any bog or hesitation when acceleration. 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. 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 WCFB Carburetor Troubleshooting 1952 Carter WCFBsetting idle - Discussion Forums When I slow down to an idle, my engine runs rough. Pulloffs : CUFWCFB2 $ 0 . Make sure the air cleaner gasket does not block the bowl vents. Access our free Idle Speed and Mixture Repair Guide for Chevrolet Corvette 1963-1982 through AutoZone Rewards. Carter WCFB Carburetor Catalog Free WCFB Carburetor Manuals These manuals contain specifications, parts lists and instructions.The manuals can also be used to help identify those carburetors without tags.
Carter WGD Adjustments - Mikes Carburetor Parts Clogged idle tube, or passages in the idle circuit. Can't find the answer you're looking for. Carter WCFB 4 Barrel Carburetor Float System. The Carter WCFB, 4 barrel carburetor metering rods are used to meter the fuel getting into the carburetor bore. Rotate throttle stop screw E until engine idle at approx 500 RPM. Can't find the answer you're looking for? 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. 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. It will be very helpful as I try to improve my performance and emissions of my 57 Corvette street machine. 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. 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 file is in PDF format, you can download and save/print a copy.
Carter WCFB Parts Page - carburetion.com They are not meant to fill the hole, only to restrict it. Adjust by bending the choke connector rod at lower angle (H). If not, then find the check ball and make sure it is loose. Measure float height as illustrated above. Inspiration for this arrangement was provided by the federal government through its exhaust emissions regulations. 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. You may even have to resort to finding a used WCFB carburetor. Check any vents to make sure they are open. The float lifter spring also provides better float and fuel level stability when operating on rough, washboard type roads.
PDF Carter Carb Identification Chart - annualreport.psg.fr This restricts the flow of fuel. Use a brass drift punch. Make sure the air horn contacts the inner wall of the bowl. a. *New Main Body Gasket8. No metering rod gauges are necessary. Carter WCFB Adjustments Metering Rod Adjustment Back out throttle screw so that the throttle valve close completly. Probably not since only one butterfly is open. To correct, remove carburetor and tighten throttle lever by either peening end of shaft over, or soldering end of shaft to throttle lever. This circuit provides a measured amount of fuel when needed on acceleration until the vacuum and main circuit can take over. Metering rods for the WCFB have been out of production for several years now. If the fuel bowl is not filling up enough to fill the pump well, then look at a sticking float needle. Notice holes from which linkage rods are removed so they can 60 pages of great info. 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. Adjust idle screws D to produce a smooth idle of correct speed is obtained.
THE CARBURETOR SHOP / Carter carburetor special tools A WGD usually has a pump arm like that of a WCFB (IIRC). Hold air horn upside down with floats in place and gasket removed. With choke valve held tightly closed, take slack out of linkage and tighten clamp screw on choke lever. Tyler's Forgotten Car Rescue 22,933 views. Adjusting the WCFB float level and float drop. If a loss of rpm is noted, or if the engine dies, and air leak exists. Please complete the fields below to send your friend a link to this product.
Home - Carburetor Manual Ebooks They are staked in the 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. The idle mixture screws adjust the amount of air/fuel mixture that goes up to the venturi at idle. When that is the case, I bend the accel. This restricts the flow of fuel. b. Can't find the answer you're looking for? 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! FREE to our customers that buy a rebuild kit. Reinstall carburetor, align and readjust inter connecting rod to manufacturers specifications. With carburetor installed and engine warmed up.
Carter Carburetor Identification - Carburetor kits, parts and manuals Can you help me out?
GM Corvette 1963-1982 Idle Speed and Mixture Repair Guide 41-98N Carter 2366S Carter 2505S Carter 2555S Carter 2655S Carter 2669S. The carburetor will flood. Fig.
Gasket between bowl and base is installed backwards (easy to do).
This is caused by side strain on throttle lever due to misalignment and maladjustment of the carburetor interconnection rod. Carter WCFB 4 Barrel Carburetor Float System. Refer to the Adjustment Data Table for adjustment dimensions.
PDF Parts List Carter Carburetor Model Wcfb Back out throttle stop screw until throttle valves seat in bores. 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. They need to be centered in the bowl.Fuel could be leaking around the needle & seat. 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. 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. Manufacturer CARTER : Brand CARTER WCFB : Model Carter 4 BBL WCFB : Item Weight 12 pounds : Country of Origin USA . Watch on. Each size must be used in its own location. 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. Gasket removed. Some models have a pump relief check in the bottom of the fuel bowl. Coat threads of screw with sealing compound and install it.
Carter 2 Barrel BBD Adjustments - YouTube cm448 Carter WCFB Carburetor Manual - carbkitsource.com You need to run wire down all small passages. Because the float is maintained in a level position, needle valve bounce is minimized and excess fuel entry into the bowl is prevented. Put some fluid in theaccelerator pumpwell and press down on the pump. There should now be 9/64 clearance between upper edge of choke valve and inner wall of air horn. The high speed air bleed and the secondary bleed tube also acts as an anti-percolator. As for the pump not squirting.I suspect the pump well isnt filling up. It's highlighted yellow and will look something like this. Float drop not set, or fuel pump pressure too low. Enter Carb Number. 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 Carter AFB uses weights, and therefore never goes out of adjustment. Carter WCFB, 4 barrel metering rod adjustment instructions.
1957 Lincoln Accelerator Pump Carter Wcfb Fluorelastomer Cup Ethanol Add a couple drops of oil to the leather. Fast, secure e-book download. *New Airhorn Gasket7. The all-aluminum AFB (Aluminum Four Barrel) was a big innovation in 1957, and lives on today under the Edelbrock name. Carter used metering rods with a single step, 2-step, 3-step, and 4-step. Note te larger box, and the number of additional tools from the 1935 set. . When closing the throttle, the accelerator moves up in the pump well. Back out the throttle lever set screw (idle screw) to allow throttle valves to seat in the bores of the carburetor. The lower edge of vent valve cap should be raised above surface of dust cover the distance listed in the.
How Do You Look up Carter Carburetor ID Numbers Online? - Reference.com If hard starting still exists change the choke setting to one point lean. Back out throttle screw so that the throttle valve close completly. Fuel pump working as it should (pulsates and sprays gas each time cam lobe activates it). 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 It isn't unusual for the vacuum piston on the WCFB to become frozen in the cylinder where it resides.
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