Because the float is maintained in a level position, needle valve bounce is minimized and excess fuel entry into the bowl is prevented. If not then clean it and try again. Recheck float adjustments. Add a couple drops of oil to the leather. (note) The metering rods will fit into the jets loosely. Place the choke housing toward the left and remove upper right main body to throttle body screw. Carter WCFB 4 Barrel Carburetor Float System. This can be done by looking at the impression on bowl cover gasket. Please complete the fields below to send your friend a link to this product. The accelerator pump circuit resides on the primary side of. Can't find the answer you're looking for? Older kits 30-70s. but if it runs well you don't really need to make any adjustments. You may even have to resort to finding a used WCFB carburetor. Carter WCFB 4 Barrel Carburetor Float System. Product information . Turn knurled nut of gauge until finger on gauge just touches top of plunger shaft (A). Coat threads of screw with sealing compound and install it. The all-aluminum AFB (Aluminum Four Barrel) was a big innovation in 1957, and lives on today under the Edelbrock name. Enter Carb Number. They are staked in the hole. They are not meant to fill the hole, only to restrict it. Rotate throttle stop screw E until engine idle at approx 500 RPM. With choke valve held closed and fast idle adjusting screw C, or fast idle adjusting tang, on high step of cam. The mixture screw may be bent, or damaged. Shorter and smaller overall than the 4GC Rochester, the WCFB was the right choice for dual-quads on a compact . Carter WCFB 4 Barrel Carburetor Float System, Engine wont idle, or dies after the choke is opened, or runs better when choke closed. 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. Inspiration for this arrangement was provided by the federal government through its exhaust emissions regulations. 1st check to make sure the fast idle linkage isnt holding the valves open. 1955 Cadillac Idle Air Mixture Circuit WCFB Carburetor Cutting Out on Left Hand Turn 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. Be careful removing the intake check retainer. *New Float6. 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. Piston force is too much for linkage. Outside top of early Carter tool box with correct decal. When I slow down to an idle, my engine runs rough. Can't find the answer you're looking for? 41-108N Carter 2818S Carter 3059S What Has Been Done to This Carburetor?1. Install the pump connector rod (D) in the outer hole, long stroke. Make sure these are clear if you have percolation problems. Each size must be used in its own location. They need to be centered in the bowl.Fuel could be leaking around the needle & seat. Manufacturer CARTER : Brand CARTER WCFB : Model Carter 4 BBL WCFB : Item Weight 12 pounds : Country of Origin USA . Sometimes scraping around the edges with an awl will remove the staking. Make sure the air horn contacts the inner wall of the bowl. This is an electronic rebuild manual, no physical copy will be provided. 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. Float adjusted wrong check float level.Float leaking heat up some water and immerse the float. From my experience it is the most complete and comprehensive source for all things carburetor, encompassing a massive spectrum of makes models and applications. Make sure the pump relief check is clean. Kit looked complete but I ordered the wrong one based on the pump and of course with it being opened, it cannot be returned. See figure 9F-2. 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 You will need to check your motors manual for the spec, but around 4 or 5 should be plenty. 19591961 Chevrolet Carter WCFB Carburetor All These Part Numbers Interchange Into Our Part No. Must be made after fast idle adjustment. 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. We will contact you as soon as this product is available. 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 . 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. This is caused by side strain on throttle lever due to misalignment and maladjustment of the carburetor interconnection rod. It's highlighted yellow and will look something like this. A fuel pump cannot be tested by unhooking the line and seeing if gas comes out. 5:04. Take the top off and put the pump in the well all the way to the bottom. When replacing them hold them tight against the wall while tightening the screw. 1: Carter WCFB idle mixture and speed adustment screw location. Check throttle linkage to make sure that primary throttle valves come to full wide open position. New fuel pumps are especially suspect. Probably around 4- 4.5lbs. Solid fuel has the 2 tubes pointing up. Gasket removed as shown A. Rotate throttle stop screw E until engine idle at approx 500 RPM. *New Airhorn Gasket7. This restricts the flow of fuel. The accelerator pump circuit resides on the primary side of this carburetor. Also make sure one isnt rubbing on the side. 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. Blowing out passages will not get them clean enough. Back out throttle lever set screw until throttle valves seat in bores of carburetor. 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 metering rods must be installed after the pump adjustment or when leaner than standard rods are installed. Put some fluid in theaccelerator pumpwell and press down on the pump. It will be very helpful as I try to improve my performance and emissions of my 57 Corvette street machine. Examine the viton tip for any marks.Fuel pump pressure could be too high. Test the fuel pump to be sure it isnt putting out too much pressure. Hold air horn upright with floats hanging. Watch this. 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 Pulloffs : CUFWCFB2 $ 0 . Some have a coating to give it a better shelf life. 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. Buy REMANUFACTURED CARTER WCFB CARBURETOR 3696S For 1958-1965 Chevrolet Corvette 327 348: Carburetors . The single step rods were used on some of the price leader carburetors (i.e. Hold a straight edge across top of dust cover housing, next to the pump arm. Loosen the clamp screw A Press. The correct way is to use a fuel pump pressure gauge. Make sure the air cleaner gasket does not block the bowl vents. The piston is brass and can be damaged very easily. Good quality print. The well should fill with fluid. The flat surface of the pump arm should be parallel to the straight edge. William C. Carter was born in Union City Tennessee in 1884. Ideas?? 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. Is there a pointed check weight in the main discharge 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. Clogged idle tube, or passages in the idle circuit. Back out throttle screw so that the throttle valve close completly. 3: Holley 4150 idle mixture and speed adjustment screws. Disassembly2. Readjust idle to 500 RPM and fast idle to 1200 RPM On 1955 models set choke two points lean. Fuel pump working as it should (pulsates and sprays gas each time cam lobe activates it). Blow through the intake check passage to be sure the passage is open. 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. 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! Can't find the answer you're looking for? You cannot go wrong with Mikes carburetor in any way. Can't find the answer you're looking for? I have repeated multiple times with same results. Gasket removed. To correct, remove carburetor and turn it upside down. 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. The float lifter spring also provides better float and fuel level stability when operating on rough, washboard type roads. These manuals contain specifications, parts lists and instructions.The manuals can also be used to help identify those carburetors without tags. Free shipping for many products! 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. As for the pump not squirting.I suspect the pump well isnt filling up. I purchased from you a rebuild kit for Carter WCFB 4 barrel carb on my 1955 Chev. You are flooding (getting too much gas in the float bowl), caused by these types of problems. If the fuel bowl is not filling up enough to fill the pump well, then look at a sticking float needle. 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. Ultra-Sonic Cleaning3. cm448: Ebook carburetor service manual - 341 pages, 272 MBytes, pdf format. Rebuilding Carter BBD carburetor part 3 - Duration: 5:04. Do not depress float lip against spring in needle, but let float rest of its own weight. What more could you ask for? 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. Aspringis inserted in the power piston hole, then the piston. The lower edge of vent valve cap should be raised above surface of dust cover the distance listed in the. On the WCFB the check ball is usually at the bottom of the pump well. If it is, tap gently with a hammer and the same brass drift punch to seat it, or replace the check weight. Download was not the correct rebuild instructions for my WCFB carburetor, and the correct version was not available. Measure from center top surface of pontoons to air horn. Can't find the answer you're looking for? 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. There should now be 9/64 clearance between upper edge of choke valve and inner wall of air horn. I. DISASSEMBLY. 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. You should feel some pressure and fluid should not be bypassing the check needle. Once you get the piston out, clean, Carter WCFB Vacuum Piston the cylinder so that the piston move very free up and down. Will Carter introduced the world's first 4-barrel carburetor, the WCFB (Will Carter Four Barrel) which raised air-flow to unprecedented levels. Though fuel float bowl full, cant get gas into the accelerator pump chamber of the carb. This is an electronic rebuild manual, no physical copy will be provided. Check any vents to make sure they are open. Adjust by bending throttle connector rod at upper angle (B). Recheck unloader settings with carburetor on the engine. The suction along with the fuel weight pulls fuel through the intake check via the passage to the fuel bowl. 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 WCFB Rebuild kits: Rebuild Kits. How to clean the Jeep Carter BBD carb Idle jets - Duration: 7:14. They work fine when I push hard down on the piston. 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 . 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 Adjustments Metering Rod Adjustment Back out throttle screw so that the throttle valve close completly. With rods held in this position, revolve metering rod arm (F) until lip contacts vacumeter link. Access our free Idle Speed and Mixture Repair Guide for Chevrolet Corvette 1963-1982 through AutoZone Rewards. 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 . 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 Adjust by bending the choke connector rod at lower angle (H). I rebuilt a Carter WCFB carburetor with the lower auto choke setup. Both valves should be closed. Adjust by bending lip of float, not float arm. Use a brass drift punch. parts. 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. Can't find the answer you're looking for. *New Main Body Gasket8. Then close throttle. The most complete document I have found. Blow air through the main discharge to make sure the passage is clear all the way to the pump well. Ethanol leaves deposits behind that acts like corrosion. 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). There should now be .018 .023 clearance between throttle valve and bore of carburetor (side opposite idle port). 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. With choke valve held tightly closed, take slack out of linkage and tighten clamp screw on choke lever. When closing the throttle, the accelerator moves up in the pump well. At idle you are at maximum vacuum which makes the metering rods drop down into the main jets. Fig. *New Accelerator Pump5. Because the float is maintained in a level position, needle valve bounce is minimized and excess fuel entry into the bowl is prevented. We use a small bottle type of brush and spray silicon spray into the cylinder while we clean. 41-98N Carter 2366S Carter 2505S Carter 2555S Carter 2655S Carter 2669S. Fast Idle or Idle at Cold Start has to be One of the More Important Adjustments on the Carburetor. Any pressure put on the needle will damage it. As the spring fatigues, the air valve will open too soon, creating an instantaneous lean condition, and a bog. BBS) and were basically an on/off condition similar to the function of a power valve. With mineral spirits in the float bowl, Raise the pump. Adjusting the WCFB float level and float drop. 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. Anti-Rust "Dichromate" Finish**4. pump rod until the top of the pump arm is horizontal (or the screw that retrains it is perfectly vertical, if you prefer). Hold throttle valve wide open and close choke valve as far as possible without forcing. Carter built the first successful 4 barrel carburetor, the WCFB (Will Carter Four Barrel) which first appeared in 1953 on Buick cars. On 1956 models one point rich. WCFB Carburetor Cutting Out on Left Hand Turn. 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. Make sure manifold heat control valve is free. The flat on top of the pump arm should be parallel to the straight edge. Complete service manual: Comprehensive factory service information (341 pages) for the Carter WCFB carburetor. Put a straight edge across the dust cover as illustrated. There should be a retainer keeping the check ball in place. 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 accelerator pump is used to provide an extra squirt of fuel when you step on the gas. 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. This box did not have a part number. Adjust by bending float arms, making sure both pontoons on each float are the same height. If hard starting still exists change the choke setting to one point lean. Includes theory, diagrams, detailed specifications, tune-up data and complete overhaul procedures. 1957 Desoto Adventurer Loose Throttle Lever Rear Carburetor. 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.
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