Put some fluid in theaccelerator pumpwell and press down on the pump. The metering rod adjustment should be done after the pump adjustment. We will contact you as soon as this product is available. Do not depress float lip against spring in needle, but let float rest of its own weight. Because the float is maintained in a level position, needle valve bounce is minimized and excess fuel entry into the bowl is prevented. 1956 Plymouth, Powerflite Transmission - Dashpot The dashpot has been eliminated. 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. 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. Install the pump connector rod (D) in the outer hole, long stroke. I rebuilt a Carter WCFB carburetor with the lower auto choke setup. Other than that, great company to deal with. The cfm of the Carter WCFB four-barrel carburetor is approximately 400. Note te larger box, and the number of additional tools from the 1935 set. 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). Quick test to see if the accelerator pump is working. 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 piston is brass and can be damaged very easily. Free shipping for many products! 1956 Plymouth, Powerflite Transmission Dashpot, 1955 Pontiac Loading or Carburetor Flooding, 1956 Pontiac Hard Starting, Partially Warm Engine. They need to be centered in the bowl.Fuel could be leaking around the needle & seat. To correct, remove carburetor and turn it upside down. Probably around 4- 4.5lbs. Recheck unloader settings with carburetor on the engine. If the fuel bowl is not filling up enough to fill the pump well, then look at a sticking float needle. Also check for overheating of the engine, fuel lines too close to the manifold, or too much heat in the engine department. 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. Blow air through the main discharge to make sure the passage is clear all the way to the pump well. Most of the single step rods were steel. 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. 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. It should not be opened up. The metering rods must be installed after the pump adjustment or when leaner than standard rods are installed. Hold a straight edge across top of dust cover housing, next to the pump arm. The download link will expire in 30 days. 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. Gasket between bowl and base is installed backwards (easy to do). To correct, remove carburetor and tighten throttle lever by either peening end of shaft over, or soldering end of shaft to throttle lever. 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 The adjustment of the pump is important in order to get the required fuel. There should be a retainer keeping the check ball in place. The file is in PDF format, you can download and save/print a copy. This restricts the flow of fuel. Carter WCFB Rebuild kits: Rebuild Kits. Readjust dashpot plunger to move 1/16 inch on closing of throttle valves. As for the pump not squirting.I suspect the pump well isnt filling up. Outside top of early Carter tool box with correct decal. This can be done by looking at the impression on bowl cover gasket. Adjust by bending arm (J) on choke trip lever. Take the top off and put the pump in the well all the way to the bottom. The ends of the connector rod should point to the throttle arm side. Why Doesn't Adjusting Idle Mixture Screws Make any Difference? Adjusting the WCFB float level and float drop. Refer to the Adjustment Data Table for adjustment dimensions. The high speed air bleed and the secondary bleed tube also acts as an anti-percolator. Technical Details. 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. The bowl vent is used to vent the float bowl, otherwise a siphoning of the gas can occur. On the WCFB the check ball is usually at the bottom of the pump well. 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 Some have a coating to give it a better shelf life. 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. 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. When closing the throttle, the accelerator moves up in the pump well. cm448. Fast Idle or Idle at Cold Start has to be One of the More Important Adjustments on the Carburetor. The flat surface of the pump arm should be parallel to the straight edge. 1956 Chevrolet Corvette & Super Power Kit Engine Idle Speed, Idle Mixture and Throttle Linkage Adjustment Procedure. Carter WCFB 4 Barrel Carburetor Float System. Carter WCFB Accelerator Pump Quick test to see if the accelerator pump is working. 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 . This is an electronic rebuild manual, no physical copy will be provided. Probably not since only one butterfly is open. The fuel is also conducted through a passage in the air horn to the secondary needle seat. The accelerator pump circuit resides on the primary side of. 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 Make sure these are clear if you have percolation problems. Older kits 30-70s. 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. Check the low speed jets to make sure they are clear (#44). pump rod until the top of the pump arm is horizontal (or the screw that retrains it is perfectly vertical, if you prefer). They are not meant to fill the hole, only to restrict it. You may even have to resort to finding a used WCFB carburetor. You are flooding (getting too much gas in the float bowl), caused by these types of problems. Carter WCFB Accelerator Pump Adjustment The accelerator pump is used to provide an extra squirt of fuel when you step on the gas. Ethanol gas does not have much if any lubrication. Download was not the correct rebuild instructions for my WCFB carburetor, and the correct version was not available. This E-manual is pictured with the Carter WCFB carburetor with the upper auto choke. 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. Gasket removed as shown A. What more could you ask for? If not, then find the check ball and make sure it is loose. With rods held in this position, revolve metering rod arm (F) until lip contacts vacumeter link. This restricts the flow of fuel. 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. From my experience it is the most complete and comprehensive source for all things carburetor, encompassing a massive spectrum of makes models and applications. With throttle valves seated in bores, dust cover and gasket in place. 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 most complete document I have found. You should feel some pressure and fluid should not be bypassing the check needle. All late model WCFB carburetors have three different length bowl cover screws. I have a 1952 Buick Roadmaster and just rebuilt the Carter WCFB carb, and I'm setting the idle according to the factory manual. How to Adjust a Carter BBD 2 Barrel | It Still Runs The Carter carburetor has been around for a very long time. 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. These manuals contain specifications, parts lists and instructions.The manuals can also be used to help identify those carburetors without tags. They are staked in the hole. 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 Carter WCFB carburetors have a square-ish body with a rectangular air horn that protrudes above the air. 1955 Pontiac - Loading or Carburetor Flooding Seat the intake check by tapping lightly in the hole to form a good seal. This circuit provides a measured amount of fuel when needed on acceleration until the vacuum and main circuit can take over. 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 Access our free Idle Speed and Mixture Repair Guide for Chevrolet Corvette 1963-1982 through AutoZone Rewards. Carter WCFB Fast Idle With carburetor installed and engine warmed up. With the thermostatic coil housing gasket and baffle plate removed, crack throttle valve and hold choke valve closed. Piston force is too much for linkage. When removing valves they should be marked so that they get put back the same way. What Has Been Done to This Carburetor?1. 1st check to make sure the fast idle linkage isnt holding the valves open. Adjust idle screws D to produce a smooth idle of correct speed is obtained. The accelerator pump is used to provide an extra squirt of fuel when you step on the gas. Complete service manual: Comprehensive factory service information (341 pages) for the Carter WCFB carburetor. These diagrams include: Fig. BBS) and were basically an on/off condition similar to the function of a power valve. This box did not have a part number. If the secondary throttle plate is staying open, then check the primary shaft dog and spring. Make sure the pontoons are centered and will not rub the bowl sides. If adjustment is required, remove dust cover and bend arm that operates the vent mechanism. If hard starting still exists change the choke setting to one point lean. New fuel pumps are especially suspect. With choke valve held closed and fast idle adjusting screw C, or fast idle adjusting tang, on high step of cam. When I slow down to an idle, my engine runs rough. One of the butterflies is open about 1/8 with the carburetor dis assembled. b. Aspringis inserted in the power piston hole, then the piston. *New Accelerator Pump5. Make sure the pump relief check is clean. Test the needle by holding it down gently with a brass drift punch. Some models have a pump relief check in the bottom of the fuel bowl. No metering rod gauges are necessary. Blowing out passages will not get them clean enough. WCFB Carburetor Cutting Out on Left Hand Turn. a. Ethanol leaves deposits behind that acts like corrosion. The all-aluminum AFB (Aluminum Four Barrel) was a big innovation in 1957, and lives on today under the Edelbrock name. Carter WCFB 4 Barrel Carburetor Float System. It's highlighted yellow and will look something like this. Make sure the air horn contacts the inner wall of the bowl. Can't find the answer you're looking for? This is caused by side strain on throttle lever due to misalignment and maladjustment of the carburetor interconnection rod. They sometimes need trimming. The item you are trying to purchase is currently out of stock.Please enter your name, email, and phone number below. Fuel pump working as it should (pulsates and sprays gas each time cam lobe activates it). Secondarys are somehow stuck open (which amounts to a vacuum leak). How to clean the Jeep Carter BBD carb Idle jets - Duration: 7:14. They know their stuff and provide technical assistance and guides in both paper and video formats. 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. Using the exploded view on reverse side as a guide, disassemble the carburetor far enough to permit thorough cleaning and inspec tion o! 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 The correct way is to use a fuel pump pressure gauge. Correct by removing any burrs or nicks. Put a straight edge across the dust cover as illustrated. It needs about 4 lbs of pressure. Make sure the ball rattles. Rochester and Carter replacement parts are interchangeable. Watch this. Hold air horn upright with floats hanging. 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). 41-108N Carter 2818S Carter 3059S What Has Been Done to This Carburetor?1. It will be very helpful as I try to improve my performance and emissions of my 57 Corvette street machine. With mineral spirits in the float bowl, Raise the pump. In this video I show you how to replace the fast idle spring on the WCFB carburetor. Back off the idle screw so that the throttle plates close completely. 19591961 Chevrolet Carter WCFB Carburetor All These Part Numbers Interchange Into Our Part No. FREE to our customers that buy a rebuild kit. Seat the discharge check by tapping lightly in the hole to form a good seal. Gasket removed. Product information . Fig. When looking to replace your metering rod keep in mind that Carter used several different lengths of rods in the WCFB. Change the choke setting to index. Turn knurled nut of gauge until finger on gauge just touches top of plunger shaft (A). A WGD usually has a pump arm like that of a WCFB (IIRC). 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! Back out throttle screw so that the throttle valve close completly. Readjust idle to 500 RPM and fast idle to 1200 RPM On 1955 models set choke two points lean. The WCFB carburetor which came on some of the earliest but if it runs well you don't really need to make any adjustments. 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. Everyone Has Started an Engine in the . 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. 2: Carter AFB idle mixture and speed adjustment screws. A fuel pump cannot be tested by unhooking the line and seeing if gas comes out. Check to see that slots in air cleaner gasket line up with vent tubes and do not rotate gasket during installation of air cleaner. I purchased from you a rebuild kit for Carter WCFB 4 barrel carb on my 1955 Chev. Solid fuel has the 2 tubes pointing up. Adjusting the WCFB Metering Rods The Carter WCFB, 4 barrel carburetor metering rods are used to meter the fuel getting into the carburetor bore. 41-98N Carter 2366S Carter 2505S Carter 2555S Carter 2655S Carter 2669S. 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. When the engine gets hot and then is shut off, gas can sometimes overheat and then boil. 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 (. Clogged idle tube, or passages in the idle circuit. Must be made after fast idle adjustment. Buy REMANUFACTURED CARTER WCFB CARBURETOR 3696S For 1958-1965 Chevrolet Corvette 327 348: Carburetors . Did the old gasket get removed? WCFB carburetors, althqugh basically all units are allke. 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. Back out throttle lever set screw until throttle valves seat in bores of carburetor. The idle mixture screws adjust the amount of air/fuel mixture that goes up to the venturi at idle. The Carter AFB uses weights, and therefore never goes out of adjustment. This is an electronic rebuild manual, no physical copy will be provided. Carter WCFB, 4 barrel carburetor manual. Though fuel float bowl full, cant get gas into the accelerator pump chamber of the carb. Recheck float adjustments. 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). At idle you are at maximum vacuum which makes the metering rods drop down into the main jets. Measure from toe B to air horn. You will need to check your motors manual for the spec, but around 4 or 5 should be plenty. DO NOT apply any pressure on the needle. Carter used metering rods with a single step, 2-step, 3-step, and 4-step. Back out throttle stop screw until throttle valves seat in bores. Carter WCFB, 4 barrel metering rod adjustment instructions. Your friend will receive an email from you with a link to our site. Carter WCFB Build Sheets 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. Can't find the answer you're looking for? 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. With choke valve held tightly closed, take slack out of linkage and tighten clamp screw on choke lever. 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. Coat threads of screw with sealing compound and install it. Use a brass drift punch.
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