Adjust by bending throttle connector rod at upper angle (B). I rebuilt a Carter WCFB carburetor with the lower auto choke setup. Look for breaks in the new gasket, or cracks around the threaded area.The needle could have been damaged while adjusting the floats. Adjust by bending throttle connector rod at deepest angle as shown. 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. Blowing out passages will not get them clean enough. The correct way is to use a fuel pump pressure gauge. Carter built the first successful 4 barrel carburetor, the WCFB (Will Carter Four Barrel) which first appeared in 1953 on Buick cars. This box did not have a part number. Your friend will receive an email from you with a link to our site. Carter WCFB Carburetor E-Manual Download eWCFB, The file is in PDF format, you can download and save/print a copy, FREE to our customers that buy a rebuild kit. The setups data is the same. 41-108N Carter 2818S Carter 3059S What Has Been Done to This Carburetor?1. The accelerator pump circuit resides on the primary side of this carburetor. Recheck unloader settings with carburetor on the engine. Make sure the air cleaner gasket does not block the bowl vents. If a loss of rpm is noted, or if the engine dies, and air leak exists. Back out throttle stop screw until throttle valves seat in bores. Kit looked complete but I ordered the wrong one based on the pump and of course with it being opened, it cannot be returned. This check prevents excessive pressure in the discharge passage during acceleration. Gasket between bowl and base is installed backwards (easy to do). 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. Fuel pump working as it should (pulsates and sprays gas each time cam lobe activates it). They are not meant to fill the hole, only to restrict it. 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. Gasket removed. When done you should see very little daylight around the valve. *New Accelerator Pump5. Outside top of early Carter tool box with correct decal. You cannot go wrong with Mikes carburetor in any way. Float drop not set, or fuel pump pressure too low. Place the choke housing toward the left and remove upper right main body to throttle body screw. They know their stuff and provide technical assistance and guides in both paper and video formats. Hold in place and carefully tighten metering rod arm set screw (G). Carter WCFB Adjustments Metering Rod Adjustment Back out throttle screw so that the throttle valve close completly. Clogged idle tube, or passages in the idle circuit. With choke valve held closed and fast idle adjusting screw C, or fast idle adjusting tang, on high step of cam. 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. To correct, remove carburetor and tighten throttle lever by either peening end of shaft over, or soldering end of shaft to throttle lever. Manufacturer CARTER : Brand CARTER WCFB : Model Carter 4 BBL WCFB : Item Weight 12 pounds : Country of Origin USA . No metering rod gauges are necessary. Founded by William Carter in 1909, the Carter Carburetor Company produced units such as the AVS, AFB and 385-CFM WCFB for dozens of years. 41-98N Carter 2366S Carter 2505S Carter 2555S Carter 2655S Carter 2669S. The float lifter spring also provides better float and fuel level stability when operating on rough, washboard type roads. 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. A bushing (sorry dont have size) can be permanently installed in the choke vacuum passage in main body casting provides a more positive seal at this point, and prevents fuel from leaking into this passage on left turns and stalling the engine because of too rich a mixture. Someone has installed it improperly. He only had 5-years of formal education and in 1909, he founded the Carter Carburetor Manufacturing Co in St. Louis. Maximum float buoyancy is generally accomplished when the float pontoons are at a 90-degree angle to the fuel valve. Access our free Idle Speed and Mixture Repair Guide for Chevrolet Corvette 1963-1982 through AutoZone Rewards. Download was not the correct rebuild instructions for my WCFB carburetor, and the correct version was not available. From my experience it is the most complete and comprehensive source for all things carburetor, encompassing a massive spectrum of makes models and applications. If adjustment is required, remove dust cover and bend arm that operates the vent mechanism. However, it is very similar and I found it very useful. The well should fill with fluid. Complete service manual: Comprehensive factory service information (341 pages) for the Carter WCFB carburetor. You can also check the adjustment by measuring (F) which should be 18/64. *New Float6. 1st check to make sure the fast idle linkage isnt holding the valves open. Carburetors equipped with an adjustable bowl vent require adjustment. This E-manual is pictured with the Carter WCFB carburetor with the upper auto choke. 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! All These Part Numbers Interchange Into Our Part No. 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 . Measure float height as illustrated above. Aspringis inserted in the power piston hole, then the piston. 5:04. With choke valve held tightly closed, take slack out of linkage and tighten clamp screw on choke lever. 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. Please complete the fields below to send your friend a link to this product. Shorter and smaller overall than the 4GC Rochester, the WCFB was the right choice for dual-quads on a compact . Refer to the Adjustment Data Table for adjustment dimensions. 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 . 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 . Make sure there is a check needle below the main discharge. Probably not since only one butterfly is open. This allows air instead of fuel to be drawn off the pump jets. Carter used metering rods with a single step, 2-step, 3-step, and 4-step. It should not be opened up. Be careful when removing the top of the carburetor that you don't force things and break the piston lever. Test the floats in hot water and if you get any bubbles then they are leaking. The metering rods must be installed after the pump adjustment or when leaner than standard rods are installed. The metering rod adjustment should be done after the pump adjustment. I have a 1952 Buick Roadmaster and just rebuilt the Carter WCFB carb, and I'm setting the idle according to the factory manual. 1955 Pontiac - Loading or Carburetor Flooding Technical Details. When removing valves they should be marked so that they get put back the same way. Be careful removing the intake check retainer. If the secondary throttle plate is staying open, then check the primary shaft dog and spring. With carburetor installed and engine warmed up. What Has Been Done to This Carburetor?1. Coat threads of screw with sealing compound and install it. Make sure these are clear if you have percolation problems. 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. Watch on. We will contact you as soon as this product is available. Add a couple drops of oil to the leather. 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. There should now be .018 .023 clearance between throttle valve and bore of carburetor (side opposite idle port). Ethanol leaves deposits behind that acts like corrosion. 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. Use a brass drift punch. Can't find the answer you're looking for? At idle you are at maximum vacuum which makes the metering rods drop down into the main jets. The Carter WCFB carburetors have a square-ish body with a rectangular air horn that protrudes above the air. Make sure the pontoons are centered and will not rub the bowl sides. Can't find the answer you're looking for. Take the top off and put the pump in the well all the way to the bottom. 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. Adjust idle screws D to produce a smooth idle of correct speed is obtained. The ends of the connector rod should point to the throttle arm side. This is an electronic rebuild manual, no physical copy will be provided. Both valves should be closed. When looking to replace your metering rod keep in mind that Carter used several different lengths of rods in the WCFB. These manuals contain specifications, parts lists and instructions.The manuals can also be used to help identify those carburetors without tags. 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. but if it runs well you don't really need to make any adjustments. The adjustment of the pump is important in order to get the required fuel. Holding the rods down and seated in the bottom (J), revolve metering rod arm until finger on arm contacts lip (K) of vacumeter link. Reinstall carburetor, align and readjust inter connecting rod to manufacturers specifications. Measure from toe B to air horn. 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 Correct by removing any burrs or nicks. Can't find the answer you're looking for? Each size must be used in its own location. 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 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. 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. Though fuel float bowl full, cant get gas into the accelerator pump chamber of the carb. They need to be centered in the bowl.Fuel could be leaking around the needle & seat. 1956 Plymouth, Powerflite Transmission Dashpot, 1955 Pontiac Loading or Carburetor Flooding, 1956 Pontiac Hard Starting, Partially Warm Engine. When Quadrajet carburetors have Carter's basic four-digit identification number before the letter S, the carburetors are aftermarket replacements. Could the float bowl actually be the problem? 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). Once you get the piston out, clean, Carter WCFB Vacuum Piston the cylinder so that the piston move very free up and down. 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. Examine the viton tip for any marks.Fuel pump pressure could be too high. We use a small bottle type of brush and spray silicon spray into the cylinder while we clean. 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. How to Adjust a Carter BBD 2 Barrel | It Still Runs The Carter carburetor has been around for a very long time. Check to see that slots in air cleaner gasket line up with vent tubes and do not rotate gasket during installation of air cleaner. WCFB carburetors, althqugh basically all units are allke. When that is the case, I bend the accel. During high speed operation a vacuum exists at the pump jets. Rebuilding Carter BBD carburetor part 3 - Duration: 5:04. Two ports act as calibrated air bleeds. They work fine when I push hard down on the piston. Anti-Rust "Dichromate" Finish**4. 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. Ultra-Sonic Cleaning3. Hold throttle valve wide open and close choke valve as far as possible without forcing. Carter WCFB Rebuild kits: Rebuild Kits. If hard starting still exists change the choke setting to one point lean. (note) The metering rods will fit into the jets loosely. The single step rods were used on some of the price leader carburetors (i.e. Rochester and Carter replacement parts are interchangeable. 1956 Chevrolet Corvette & Super Power Kit Engine Idle Speed, Idle Mixture and Throttle Linkage Adjustment Procedure. A WGD usually has a pump arm like that of a WCFB (IIRC). 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 WCFB carburetor which came on some of the earliest At idle you are at maximum vacuum which makes the metering rods drop down into the main jets. 1956 Plymouth, Powerflite Transmission - Dashpot The dashpot has been eliminated. 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. This eliminates any bog or hesitation when acceleration.

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