carter wcfb carburetor adjustment carter wcfb carburetor adjustment

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 . Carter built the first successful 4 barrel carburetor, the WCFB (Will Carter Four Barrel) which first appeared in 1953 on Buick cars. You are flooding (getting too much gas in the float bowl), caused by these types of problems. If a loss of rpm is noted, or if the engine dies, and air leak exists. Buy REMANUFACTURED CARTER WCFB CARBURETOR 3696S For 1958-1965 Chevrolet Corvette 327 348: Carburetors . When replacing them hold them tight against the wall while tightening the screw. The most complete document I have found. Technical Details. 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. Blow through the intake check passage to be sure the passage is open. We will contact you as soon as this product is available. What Has Been Done to This Carburetor?1. As the engine gains in RPM, the vacuum drops and the metering rods are pulled out of the main jet allowing more fuel to flow. The download link will expire in 30 days. 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. 1955 Pontiac - Loading or Carburetor Flooding The ends of the connector rod should point to the throttle arm side. It needs about 4 lbs of pressure. Rebuilding Carter BBD carburetor part 3 - Duration: 5:04. Correct by removing any burrs or nicks. b. Inspiration for this arrangement was provided by the federal government through its exhaust emissions regulations. Everyone Has Started an Engine in the . Test the needle by holding it down gently with a brass drift punch. Ultra-Sonic Cleaning3. If adjustment is required, remove dust cover and bend arm that operates the vent mechanism. 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. Metering rods for the WCFB have been out of production for several years now. 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 done you should see very little daylight around the valve. a. 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. Did the old gasket get removed? Tyler's Forgotten Car Rescue 22,933 views. If the secondary throttle plate is staying open, then check the primary shaft dog and spring. 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 4 Barrel Carburetor Float System. 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 Can't find the answer you're looking for? 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. 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. Adjust by bending arm (J) on choke trip lever. Carter WCFB, 4 barrel metering rod adjustment instructions. They work fine when I push hard down on the piston. In this video I show you how to replace the fast idle spring on the WCFB carburetor. Product information . but if it runs well you don't really need to make any adjustments. Readjust dashpot plunger to move 1/16 inch on closing of throttle valves. 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). A fuel pump cannot be tested by unhooking the line and seeing if gas comes out. Ideas?? The mixture screw may be bent, or damaged. 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. I. DISASSEMBLY. parts. The idle mixture screws adjust the amount of air/fuel mixture that goes up to the venturi at idle. Hold a straight edge across top of dust cover housing, next to the pump arm. 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. Some have a coating to give it a better shelf life. 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. Pulloffs : CUFWCFB2 $ 0 . Both valves should be closed. 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! However, it is very similar and I found it very useful. WCFB carburetors, althqugh basically all units are allke. 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. Is there a pointed check weight in the main discharge hole. All These Part Numbers Interchange Into Our Part No. Examine the viton tip for any marks.Fuel pump pressure could be too high. Make sure the pump relief check is clean. pump rod until the top of the pump arm is horizontal (or the screw that retrains it is perfectly vertical, if you prefer). This E-manual is pictured with the Carter WCFB carburetor with the upper auto choke. Adjust by bending throttle connector rod at deepest angle as shown. He only had 5-years of formal education and in 1909, he founded the Carter Carburetor Manufacturing Co in St. Louis. Probably around 4- 4.5lbs. Carter WCFB 4 Barrel Carburetor Float System, Engine wont idle, or dies after the choke is opened, or runs better when choke closed. Can't find the answer you're looking for. Sometimes scraping around the edges with an awl will remove the staking. Gasket removed as shown A. Check throttle linkage to make sure that primary throttle valves come to full wide open position. Carter WCFB 4 Barrel Adjust Float. 1: Carter WCFB idle mixture and speed adustment screw location. Adjust by bending lip of float, not float arm. The piston is brass and can be damaged very easily. 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). The download link can be found on your order confirmation email which you will receive as soon as you complete the order. See figure 9F-2. 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. Check the low speed jets to make sure they are clear (#44). Place the choke housing toward the left and remove upper right main body to throttle body screw. The high speed air bleed and the secondary bleed tube also acts as an anti-percolator. These diagrams include: Fig. Carter used metering rods with a single step, 2-step, 3-step, and 4-step. The lower edge of vent valve cap should be raised above surface of dust cover the distance listed in the. Download was not the correct rebuild instructions for my WCFB carburetor, and the correct version was not available. 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. 5:04. I purchased from you a rebuild kit for Carter WCFB 4 barrel carb on my 1955 Chev. Your friend will receive an email from you with a link to our site. 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 . They sometimes need trimming. BBS) and were basically an on/off condition similar to the function of a power valve. The accelerator pump is used to provide an extra squirt of fuel when you step on the gas. This can be done by looking at the impression on bowl cover gasket. Back out throttle stop screw until throttle valves seat in bores. WCFB Carburetor Cutting Out on Left Hand Turn. How to clean the Jeep Carter BBD carb Idle jets - Duration: 7:14. When I slow down to an idle, my engine runs rough. Then close throttle. Hold throttle valve wide open and close choke valve as far as possible without forcing. The carburetor will flood. 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. The item you are trying to purchase is currently out of stock.Please enter your name, email, and phone number below. 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 . 1957 Desoto Adventurer Loose Throttle Lever Rear Carburetor. Someone has installed it improperly. You can also check the adjustment by measuring (F) which should be 18/64. 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 Any bubbles indicates a leak.Make sure the 2 floats are the same height. 1955 Chevy Hard starting after flooding. 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 Two ports act as calibrated air bleeds. Readjust idle to 500 RPM and fast idle to 1200 RPM On 1955 models set choke two points lean. Adjust by bending the connector rod at the lower bend (E). 1st check to make sure the fast idle linkage isnt holding the valves open. The setups data is the same. The Carter WCFB and AFB designs fit easily beneath the low profile C1 and C2 hoods. 1956 Plymouth, Powerflite Transmission Dashpot, 1955 Pontiac Loading or Carburetor Flooding, 1956 Pontiac Hard Starting, Partially Warm Engine. Could the float bowl actually be the problem? It should not be opened up. Some models have a pump relief check in the bottom of the fuel bowl. As for the pump not squirting.I suspect the pump well isnt filling up. Loosen the clamp screw A Press. Fig. FREE to our customers that buy a rebuild kit. How to Adjust a Carter BBD 2 Barrel | It Still Runs The Carter carburetor has been around for a very long time. *New Accelerator Pump5. A WGD usually has a pump arm like that of a WCFB (IIRC). What more could you ask for? 1956 Chevrolet Corvette & Super Power Kit Engine Idle Speed, Idle Mixture and Throttle Linkage Adjustment Procedure. Coat threads of screw with sealing compound and install it. If the fuel bowl is not filling up enough to fill the pump well, then look at a sticking float needle. All late model WCFB carburetors have three different length bowl cover screws. This box did not have a part number. Check to see that slots in air cleaner gasket line up with vent tubes and do not rotate gasket during installation of air cleaner. Disassembly2. At idle you are at maximum vacuum which makes the metering rods drop down into the main jets. This eliminates any bog or hesitation when acceleration. 1955 Cadillac Idle Air Mixture Circuit WCFB Carburetor Cutting Out on Left Hand Turn Test the fuel pump to be sure it isnt putting out too much pressure. With carburetor installed and engine warmed up. Recheck float adjustments. They are staked in the hole. The suction along with the fuel weight pulls fuel through the intake check via the passage to the fuel bowl. Shorter and smaller overall than the 4GC Rochester, the WCFB was the right choice for dual-quads on a compact . Note te larger box, and the number of additional tools from the 1935 set. Turn knurled nut of gauge until finger on gauge just touches top of plunger shaft (A). 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 (. Do not depress float lip against spring in needle, but let float rest of its own weight. Clogged idle tube, or passages in the idle circuit. The file is in PDF format, you can download and save/print a copy. Blowing out passages will not get them clean enough. Gasket removed. *New Main Body Gasket8. Blow air through the main discharge to make sure the passage is clear all the way to the pump well. A balance passage connects the primary and secondary float chambers to provide fuel level control when the vehicle is accelerating, stopping, or rounding curves. Can you help me out? 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. Add a couple drops of oil to the leather. 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. Fig. 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. We use a small bottle type of brush and spray silicon spray into the cylinder while we clean. 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). I have repeated multiple times with same results. Kit looked complete but I ordered the wrong one based on the pump and of course with it being opened, it cannot be returned. Adjust by bending throttle connector rod at upper angle (B). Manufacturer CARTER : Brand CARTER WCFB : Model Carter 4 BBL WCFB : Item Weight 12 pounds : Country of Origin USA . Quick test to see if the accelerator pump is working. Fast Idle or Idle at Cold Start has to be One of the More Important Adjustments on the Carburetor. The fuel is also conducted through a passage in the air horn to the secondary needle seat. Refer to the Adjustment Data Table for adjustment dimensions. 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. If not, then find the check ball and make sure it is loose. Be careful removing the intake check retainer. Older kits 30-70s. They need to be centered in the bowl.Fuel could be leaking around the needle & seat. Enter Carb Number. Carter WCFB Build Sheets The adjustment of the pump is important in order to get the required fuel. Hold air horn upright with floats hanging. When that is the case, I bend the accel. Use a brass drift punch. 41-108N Carter 2818S Carter 3059S What Has Been Done to This Carburetor?1. You cannot go wrong with Mikes carburetor in any way. 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. . Complete service manual: Comprehensive factory service information (341 pages) for the Carter WCFB carburetor. Adjust by bending float arms, making sure both pontoons on each float are the same height. Ultra-Sonic Cleaning3. Measure float height as illustrated above. Watch this. Can't find the answer you're looking for? The cfm of the Carter WCFB four-barrel carburetor is approximately 400. With the thermostatic coil housing gasket and baffle plate removed, crack throttle valve and hold choke valve closed. Solid fuel has the 2 tubes pointing up. 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. 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. This is percolation. Back out throttle screw so that the throttle valve close completly. During high speed operation a vacuum exists at the pump jets. Change the choke setting to index. The all-aluminum AFB (Aluminum Four Barrel) was a big innovation in 1957, and lives on today under the Edelbrock name. Other than that, great company to deal with. On the WCFB the check ball is usually at the bottom of the pump well. Secondarys are somehow stuck open (which amounts to a vacuum leak). Reinstall carburetor, align and readjust inter connecting rod to manufacturers specifications. The flat surface of the pump arm should be parallel to the straight edge. Carter WCFB 4 Barrel Carburetor Float System Adjusting the WCFB float level and float drop. It's highlighted yellow and will look something like this. 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. When removing valves they should be marked so that they get put back the same way. This restricts the flow of fuel. Adjust idle screws D to produce a smooth idle of correct speed is obtained. Holding the rods down and seated in the bottom (J), revolve metering rod arm until finger on arm contacts lip (K) of vacumeter link. Press down on vacuum piston link C until metering rods bottom in the carburetor body. 1956 Plymouth, Powerflite Transmission - Dashpot The dashpot has been eliminated. Place the choke housing toward the left and remove upper right main body to throttle body screw. 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. Run a blunt object around the inside of the leather cup to make sure any coating is broken. 2: Carter AFB idle mixture and speed adjustment screws. The well should fill with fluid. If it is, tap gently with a hammer and the same brass drift punch to seat it, or replace the check weight. 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. One of the butterflies is open about 1/8 with the carburetor dis assembled. Carter WCFB 4 Barrel Carburetor Float System. These manuals contain specifications, parts lists and instructions.The manuals can also be used to help identify those carburetors without tags. Access our free Idle Speed and Mixture Repair Guide for Chevrolet Corvette 1963-1982 through AutoZone Rewards. The Carter WCFB, 4 barrel carburetor metering rods are used to meter the fuel getting into the carburetor bore.