The float lifter spring also provides better float and fuel level stability when operating on rough, washboard type roads. When closing the throttle, the accelerator moves up in the pump well. When Quadrajet carburetors have Carter's basic four-digit identification number before the letter S, the carburetors are aftermarket replacements. Fig. Hold air horn upright with floats hanging. 5:04. Can't find the answer you're looking for? Using the exploded view on reverse side as a guide, disassemble the carburetor far enough to permit thorough cleaning and inspec tion o! They need to be centered in the bowl.Fuel could be leaking around the needle & seat. Readjust dashpot plunger to move 1/16 inch on closing of throttle valves. 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! A fuel pump cannot be tested by unhooking the line and seeing if gas comes out. This eliminates any bog or hesitation when acceleration. How to Modify a Carter or Edelbrock Carburetor - Muscle Car DIY Watch this. Look for breaks in the new gasket, or cracks around the threaded area.The needle could have been damaged while adjusting the floats. Back out the throttle lever set screw (idle screw) to allow throttle valves to seat in the bores of the carburetor. The Carter WCFB carburetors have a square-ish body with a rectangular air horn that protrudes above the air. Can't find the answer you're looking for? Gasket removed as shown A. Hold in place and carefully tighten metering rod arm set screw (G). The bowl vent is used to vent the float bowl, otherwise a siphoning of the gas can occur. 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. 1956 Plymouth, Powerflite Transmission Dashpot, 1955 Pontiac Loading or Carburetor Flooding, 1956 Pontiac Hard Starting, Partially Warm Engine. Make sure the ball rattles. They are staked in the hole. You will need to check your motors manual for the spec, but around 4 or 5 should be plenty. Rebuilding Carter BBD carburetor part 3 - Duration: 5:04. This check prevents excessive pressure in the discharge passage during acceleration. Everyone Has Started an Engine in the . The suction along with the fuel weight pulls fuel through the intake check via the passage to the fuel bowl. The metering rod adjustment should be done after the pump adjustment. 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. cm448: Ebook carburetor service manual - 341 pages, 272 MBytes, pdf format. See figure 9F-2. Outside top of early Carter tool box with correct decal. 1955 Pontiac - Loading or Carburetor Flooding DO NOT apply any pressure on the needle. When replacing them hold them tight against the wall while tightening the screw. 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. Place the choke housing toward the left and remove upper right main body to throttle body screw. They sometimes need trimming. The Carter AFB uses weights, and therefore never goes out of adjustment. Adjust idle screws D to produce a smooth idle of correct speed is obtained. 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. The well should fill with fluid. Note te larger box, and the number of additional tools from the 1935 set. The lower edge of vent valve cap should be raised above surface of dust cover the distance listed in the. Though fuel float bowl full, cant get gas into the accelerator pump chamber of the carb. Carter WCFB 4 Barrel Carburetor Float System Adjusting the WCFB float level and float drop. 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. 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. I have a 1952 Buick Roadmaster and just rebuilt the Carter WCFB carb, and I'm setting the idle according to the factory manual. The file is in PDF format, you can download and save/print a copy. Carter WCFB Carburetor Manual - Mike's Carburetor Parts We will contact you as soon as this product is available. The flat surface of the pump arm should be parallel to the straight edge. 1955 Chevy Hard starting after flooding. Complete service manual: Comprehensive factory service information (341 pages) for the Carter WCFB carburetor. You need to run wire down all small passages. Once you get the piston out, clean, Carter WCFB Vacuum Piston the cylinder so that the piston move very free up and down. 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. Fast Idle or Idle at Cold Start has to be One of the More Important Adjustments on the Carburetor. Measure from center top surface of pontoons to air horn. Carter WCFB Accelerator Pump - Mikes Carburetor Parts WCFB Carburetor Cutting Out on Left Hand Turn. Hold throttle valve wide open and close choke valve as far as possible without forcing. THE CARBURETOR SHOP / Troubleshooting The single step rods were used on some of the price leader carburetors (i.e. Test the fuel pump to be sure it isnt putting out too much pressure. Can't find the answer you're looking for? Ideas?? With mineral spirits in the float bowl, Raise the pump. If the secondary throttle plate is staying open, then check the primary shaft dog and spring. Be careful removing the intake check retainer. Some models have a pump relief check in the bottom of the fuel bowl. What more could you ask for? Will Carter introduced the world's first 4-barrel carburetor, the WCFB (Will Carter Four Barrel) which raised air-flow to unprecedented levels. 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. How Do You Look up Carter Carburetor ID Numbers Online? - Reference.com Includes theory, diagrams, detailed specifications, tune-up data and complete overhaul procedures. Press down on the vacummeter link (H) until the metering rods bottom in the carburetor body (J). Hold a straight edge across top of dust cover housing, next to the pump arm. Do not depress float lip against spring in needle, but let float rest of its own weight. Solid fuel has the 2 tubes pointing up. . Someone has installed it improperly. 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. Recheck unloader settings with carburetor on the engine. 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. You may even have to resort to finding a used WCFB carburetor. 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? Carter WCFB, 4 barrel carburetor manual. 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. Carter WCFB Adjustments - Mikes Carburetor Parts New fuel pumps are especially suspect. 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. Share. Because the float is maintained in a level position, needle valve bounce is minimized and excess fuel entry into the bowl is prevented. 3: Holley 4150 idle mixture and speed adjustment screws. The setups data is the same. Sometimes scraping around the edges with an awl will remove the staking. From my experience it is the most complete and comprehensive source for all things carburetor, encompassing a massive spectrum of makes models and applications. Can't find the answer you're looking for. You cannot go wrong with Mikes carburetor in any way. *New Accelerator Pump5. Carter WCFB Archives - Mikes Carburetor Parts How To Replace the Carter WCFB 4 Barrel Fast Idle Spring? Seat the intake check by tapping lightly in the hole to form a good seal. Maximum float buoyancy is generally accomplished when the float pontoons are at a 90-degree angle to the fuel valve. 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. 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 discharge check is seated at this time to prevent air being drawn into the pump well. This circuit provides a measured amount of fuel when needed on acceleration until the vacuum and main circuit can take over. Gasket removed. 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. 19591961 Chevrolet Carter WCFB Carburetor All These Part Numbers Interchange Into Our Part No. 60 pages of great info. On the WCFB the check ball is usually at the bottom of the pump well. pump rod until the top of the pump arm is horizontal (or the screw that retrains it is perfectly vertical, if you prefer). Install the pump connector rod (D) in the outer hole, long stroke. Can't find the answer you're looking for? As the throttle is opened the pump moves down the pump well forcing the intake check closed and forcing fuel out the main discharge. BBS) and were basically an on/off condition similar to the function of a power valve. 2: Carter AFB idle mixture and speed adjustment screws. Carter WCFB Specifications - Mikes Carburetor Parts Enter Carb Number. When removing valves they should be marked so that they get put back the same way. Carter WCFB Accelerator Pump Quick test to see if the accelerator pump is working. It needs about 4 lbs of pressure. What Has Been Done to This Carburetor?1. Do not depress float lip against spring in needle, but let float rest of its own weight. GM Corvette 1963-1982 Idle Speed and Mixture Repair Guide 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. At idle you are at maximum vacuum which makes the metering rods drop down into the main jets. Carter WCFB Metering Rods - carburetor-parts.com 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. Ethanol leaves deposits behind that acts like corrosion. This allows air instead of fuel to be drawn off the pump jets. All These Part Numbers Interchange Into Our Part No. Both valves should be closed. Carter WCFB 4 Barrel Adjust Float. Carter Metering Rod Technology - THE CARBURETOR SHOP The WCFB carburetor which came on some of the earliest Your friend will receive an email from you with a link to our site. This is percolation. Adjust by bending throttle connector rod at upper angle (B). 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. Watch on. THE CARBURETOR SHOP / Carter carburetor special tools Carter WCFB, 4 barrel metering rod adjustment instructions. Carter WCFB Build Sheets Correct by removing any burrs or nicks. Anti-Rust "Dichromate" Finish**4. Adjust by bending lip of float, not float arm. During high speed operation a vacuum exists at the pump jets. Ultra-Sonic Cleaning3. If not then clean it and try again. 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. Adjusting the WCFB Metering Rods The Carter WCFB, 4 barrel carburetor metering rods are used to meter the fuel getting into the carburetor bore. 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. Adjust by bending the choke connector rod at lower angle (H). Gasket between bowl and base is installed backwards (easy to do). Adjust idle screws D to produce a smooth idle of correct speed is obtained. The adjustment of the pump is important in order to get the required fuel. As the spring fatigues, the air valve will open too soon, creating an instantaneous lean condition, and a bog. 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. The accelerator pump circuit resides on the primary side of. This restricts the flow of fuel. 41-108N Carter 2818S Carter 3059S What Has Been Done to This Carburetor?1. We use a small bottle type of brush and spray silicon spray into the cylinder while we clean. The ends of the connector rod should point to the throttle arm side. Other than that, great company to deal with. *New Float6. 1955 Cadillac Idle Air Mixture Circuit WCFB Carburetor Cutting Out on Left Hand Turn 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). Carter WCFB 4 Barrel Metering Rod - Mikes Carburetor Parts Servicing The Rochester Quadrajet Carburetor - MotorTrend With the thermostatic coil housing gasket and baffle plate removed, crack throttle valve and hold choke valve closed. These diagrams include: Fig. Should You Build Your Own Carter Carburetor? - Carb-O - MotorTrend Place the choke housing toward the left and remove upper right main body to throttle body screw. Why Doesn't Adjusting Idle Mixture Screws Make any Difference? Press down on vacuum piston link C until metering rods bottom in the carburetor body. They are not meant to fill the hole, only to restrict it. Measure float height as illustrated above. 19591961 Chevrolet Carter WCFB Carburetor The Carter WCFB, 4 barrel carburetor metering rods are used to meter the fuel getting into the carburetor bore. FREE to our customers that buy a rebuild kit. 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. cm448. Carter WCFB Accelerator Pump Adjustment The accelerator pump is used to provide an extra squirt of fuel when you step on the gas. Any pressure put on the needle will damage it. WCFB carburetors, althqugh basically all units are allke. 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. The ends of the connector rod should point to the throttle arm side. Make sure there is a check needle below the main discharge. 1956-1957 Chevrolet Carter WCFB Carburetor Put a straight edge across the dust cover as illustrated. One of the butterflies is open about 1/8 with the carburetor dis assembled. Adjust by bending lip of float, not float arm. Did the old gasket get removed? Carter WGD Adjustments - Mikes Carburetor Parts 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 . Carter 2 Barrel BBD Adjustments - YouTube 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 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. The flat on top of the pump arm should be parallel to the straight edge. It isn't unusual for the vacuum piston on the WCFB to become frozen in the cylinder where it resides. Could the float bowl actually be the problem? 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. Recheck float adjustments. It's highlighted yellow and will look something like this. Adjust by bending the connector rod at the lower bend (E). Secondarys are somehow stuck open (which amounts to a vacuum leak). Carter WCFB Carburetor Troubleshooting 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 . 1956 Chevrolet Corvette & Super Power Kit Engine Idle Speed, Idle Mixture and Throttle Linkage Adjustment Procedure. 19571958 Plymouth Fury Carter WCFB Carburetor *Remanufactured | eBay 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. With rods held in this position, revolve metering rod arm (F) until lip contacts vacumeter link. Add a couple drops of oil to the leather. When the engine gets hot and then is shut off, gas can sometimes overheat and then boil. Fuel pump working as it should (pulsates and sprays gas each time cam lobe activates it). cm448 Carter WCFB Carburetor Manual - carbkitsource.com Carter WCFB 4 Barrel Carburetor Float System. 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 . Then close throttle. If not, then find the check ball and make sure it is loose. REMANUFACTURED CARTER WCFB CARBURETOR 3696S For 1958-1965 Chevrolet Adjust by bending float arms, making sure both pontoons on each float are the same height. Use a brass drift punch. Check to see that slots in air cleaner gasket line up with vent tubes and do not rotate gasket during installation of air cleaner. How to Adjust a Carter BBD 2 Barrel | It Still Runs The Carter carburetor has been around for a very long time. 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. 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 turn it upside down. 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 There should be a retainer keeping the check ball in place. Check throttle linkage to make sure that primary throttle valves come to full wide open position. a. To correct, remove carburetor and tighten throttle lever by either peening end of shaft over, or soldering end of shaft to throttle lever. Make sure manifold heat control valve is free. As for the pump not squirting.I suspect the pump well isnt filling up. Low fuel pump pressure always check you motors manual for the correct pressure. Holding the rods down and seated in the bottom (J), revolve metering rod arm until finger on arm contacts lip (K) of vacumeter link. There should now be 9/64 clearance between upper edge of choke valve and inner wall of air horn. Carter WGD Adjustments Float Level 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. Coat threads of screw with sealing compound and install it. Carter built the first successful 4 barrel carburetor, the WCFB (Will Carter Four Barrel) which first appeared in 1953 on Buick cars. Carter WCFB Technical - Carburetor Parts Make sure these are clear if you have percolation problems. I. DISASSEMBLY. Run a blunt object around the inside of the leather cup to make sure any coating is broken. At idle you are at maximum vacuum which makes the metering rods drop down into the main jets. Download was not the correct rebuild instructions for my WCFB carburetor, and the correct version was not available. Carter WCFB Adjustments Metering Rod Adjustment Back out throttle screw so that the throttle valve close completly. It will be very helpful as I try to improve my performance and emissions of my 57 Corvette street machine. Can you help me out? Adjusting the WCFB float level and float drop. Also check for overheating of the engine, fuel lines too close to the manifold, or too much heat in the engine department. Change the choke setting to index. 1957 Desoto Adventurer Loose Throttle Lever Rear Carburetor. Back out throttle screw so that the throttle valve close completly. One is in the secondary venturi and the other just above the throttle plate. Blow air through the main discharge to make sure the passage is clear all the way to the pump well. Product information . These manuals contain specifications, parts lists and instructions.The manuals can also be used to help identify those carburetors without tags. Pulloffs : CUFWCFB2 $ 0 . Test the floats in hot water and if you get any bubbles then they are leaking. Older kits 30-70s. (note) The metering rods will fit into the jets loosely. 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 I rebuilt a Carter WCFB carburetor with the lower auto choke setup. The carburetor will flood. 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. 1: Carter WCFB idle mixture and speed adustment screw location. b. 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. Check the low speed jets to make sure they are clear (#44). However, it is very similar and I found it very useful. parts. Make sure the air cleaner gasket does not block the bowl vents. Most of the single step rods were steel. Home - Carburetor Manual Ebooks Carter WCFB 4 Barrel Carburetor Float System. Disassembly2. WCFB 4 Barrel Carburetor Float Adjustment Seat the discharge check by tapping lightly in the hole to form a good seal.