Can't find the answer you're looking for. When closing the throttle, the accelerator moves up in the pump well. New fuel pumps are especially suspect. Some have a coating to give it a better shelf life. 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 Carter WCFB, 4 barrel metering rod adjustment instructions. Adjust by bending throttle connector rod at upper angle (B). Tyler's Forgotten Car Rescue 22,933 views. When that is the case, I bend the accel. They work fine when I push hard down on the piston. Run a blunt object around the inside of the leather cup to make sure any coating is broken. 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 adjustment of the pump is important in order to get the required fuel. The bowl vent is used to vent the float bowl, otherwise a siphoning of the gas can occur. Adjust idle screws D to produce a smooth idle of correct speed is obtained. Loosen the clamp screw A Press. b. 5:04. During high speed operation a vacuum exists at the pump jets. Carter WCFB Accelerator Pump Adjustment The accelerator pump is used to provide an extra squirt of fuel when you step on the gas. The cfm of the Carter WCFB four-barrel carburetor is approximately 400. Back off the idle screw so that the throttle plates close completely. The adjustment of the pump is important in order to get the required fuel. Add a couple drops of oil to the leather. Float drop not set, or fuel pump pressure too low. 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. Each size must be used in its own location. 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. Adjust by bending unloader lip on throttle shaft lever. As for the pump not squirting.I suspect the pump well isnt filling up. 1957 Desoto Adventurer Loose Throttle Lever Rear Carburetor. DO NOT apply any pressure on the needle. cm448. How to Adjust a Carter BBD 2 Barrel | It Still Runs The Carter carburetor has been around for a very long time. 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 high speed air bleed and the secondary bleed tube also acts as an anti-percolator. 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 flat surface of the pump arm should be parallel to the straight edge. Coat threads of screw with sealing compound and install it. Coat threads of screw with sealing compound and install it. The mixture screw may be bent, or damaged. We will contact you as soon as this product is available. These manuals contain specifications, parts lists and instructions.The manuals can also be used to help identify those carburetors without tags. Enter Carb Number. If adjustment is required, remove dust cover and bend arm that operates the vent mechanism. 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 . Once you get the piston out, clean, Carter WCFB Vacuum Piston the cylinder so that the piston move very free up and down. Can't find the answer you're looking for? Carter WCFB Fast Idle With carburetor installed and engine warmed up. Make sure the air horn contacts the inner wall of the bowl. In this video I show you how to replace the fast idle spring on the WCFB carburetor. Outside top of early Carter tool box with correct decal. 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). (note) The metering rods will fit into the jets loosely. There should now be .018 .023 clearance between throttle valve and bore of carburetor (side opposite idle port). I have taken this carb a part and rechecked floats adjustments and blown out passages with compressed air thank you. Rotate throttle stop screw E until engine idle at approx 500 RPM. Ideas?? He only had 5-years of formal education and in 1909, he founded the Carter Carburetor Manufacturing Co in St. Louis. 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 With mineral spirits in the float bowl, Raise the pump. Technical Details. 2: Carter AFB idle mixture and speed adjustment screws. Carter WCFB Accelerator Pump Quick test to see if the accelerator pump is working. Carter used metering rods with a single step, 2-step, 3-step, and 4-step. Someone has installed it improperly. This can be done by looking at the impression on bowl cover gasket. The download link can be found on your order confirmation email which you will receive as soon as you complete the order. 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. The all-aluminum AFB (Aluminum Four Barrel) was a big innovation in 1957, and lives on today under the Edelbrock name. Make sure these are clear if you have percolation problems. This allows air instead of fuel to be drawn off the pump jets. You are flooding (getting too much gas in the float bowl), caused by these types of problems. Secondarys are somehow stuck open (which amounts to a vacuum leak). pump rod until the top of the pump arm is horizontal (or the screw that retrains it is perfectly vertical, if you prefer). Rebuilding Carter BBD carburetor part 3 - Duration: 5:04. Turn knurled nut of gauge until finger on gauge just touches top of plunger shaft (A). Refer to the Adjustment Data Table for adjustment dimensions. Two ports act as calibrated air bleeds. Can't find the answer you're looking for? Metering rods for the WCFB have been out of production for several years now. Rochester and Carter replacement parts are interchangeable. Any pressure put on the needle will damage it. A WGD usually has a pump arm like that of a WCFB (IIRC). Ethanol gas does not have much if any lubrication. Aspringis inserted in the power piston hole, then the piston. As the throttle is opened the pump moves down the pump well forcing the intake check closed and forcing fuel out the main discharge. The vacuum piston is no longer produced and can only be found as a NOS piece, or used. 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. To correct, remove carburetor and tighten throttle lever by either peening end of shaft over, or soldering end of shaft to throttle lever. On the WCFB the check ball is usually at the bottom of the pump well. Will Carter introduced the world's first 4-barrel carburetor, the WCFB (Will Carter Four Barrel) which raised air-flow to unprecedented levels. 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. Do not depress float lip against spring in needle, but let float rest of its own weight. 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. With choke valve held tightly closed, take slack out of linkage and tighten clamp screw on choke lever. Watch on. Carter WCFB Rebuild kits: Rebuild Kits. Fig. Be careful removing the intake check retainer. 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. 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? The flat on top of the pump arm should be parallel to the straight edge. As the spring fatigues, the air valve will open too soon, creating an instantaneous lean condition, and a bog. *New Float6. William C. Carter was born in Union City Tennessee in 1884. Hold air horn upright with floats hanging. We use a small bottle type of brush and spray silicon spray into the cylinder while we clean. Make sure manifold heat control valve is free. Can't find the answer you're looking for? 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. 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. 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. Anti-Rust "Dichromate" Finish**4. 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 . Includes theory, diagrams, detailed specifications, tune-up data and complete overhaul procedures. Gasket removed. 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. Carter WCFB Build Sheets 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. Make sure the ball rattles. Gasket between bowl and base is installed backwards (easy to do). 1955 Pontiac - Loading or Carburetor Flooding Seat the intake check by tapping lightly in the hole to form a good seal. This check prevents excessive pressure in the discharge passage during acceleration. Measure from center top surface of pontoons to air horn. You may even have to resort to finding a used WCFB carburetor. Adjust idle screws D to produce a smooth idle of correct speed is obtained. Readjust idle to 500 RPM and fast idle to 1200 RPM On 1955 models set choke two points lean. Using the exploded view on reverse side as a guide, disassemble the carburetor far enough to permit thorough cleaning and inspec tion o! Clogged idle tube, or passages in the idle circuit. The well should fill with fluid. With carburetor installed and engine warmed up. Change the choke setting to index. With throttle valves seated in bores, dust cover and gasket in place. The file is in PDF format, you can download and save/print a copy. You cannot go wrong with Mikes carburetor in any way. If hard starting still exists change the choke setting to one point lean. Quick test to see if the accelerator pump is working. Use a brass drift punch. Though fuel float bowl full, cant get gas into the accelerator pump chamber of the carb. The float lifter spring also provides better float and fuel level stability when operating on rough, washboard type roads. They sometimes need trimming. Blow through the intake check passage to be sure the passage is open. Must be made after fast idle adjustment. 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. A balance passage connects the primary and secondary float chambers to provide fuel level control when the vehicle is accelerating, stopping, or rounding curves. 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). These diagrams include: Fig. If it is, tap gently with a hammer and the same brass drift punch to seat it, or replace the check weight. Carter built the first successful 4 barrel carburetor, the WCFB (Will Carter Four Barrel) which first appeared in 1953 on Buick cars. 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. Why Doesn't Adjusting Idle Mixture Screws Make any Difference? Because the float is maintained in a level position, needle valve bounce is minimized and excess fuel entry into the bowl is prevented. 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. Also make sure one isnt rubbing on the side. Ethanol leaves deposits behind that acts like corrosion. Carter WCFB 4 Barrel Carburetor Float System. 1956 Plymouth, Powerflite Transmission Dashpot, 1955 Pontiac Loading or Carburetor Flooding, 1956 Pontiac Hard Starting, Partially Warm Engine. *New Main Body Gasket8. Measure float height as illustrated above. The single step rods were used on some of the price leader carburetors (i.e. WCFB Carburetor Cutting Out on Left Hand Turn. Because the float is maintained in a level position, needle valve bounce is minimized and excess fuel entry into the bowl is prevented. Hold air horn upside down with floats in place and gasket removed. 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. They are not meant to fill the hole, only to restrict it. This eliminates any bog or hesitation when acceleration. Most of the single step rods were steel. Take the top off and put the pump in the well all the way to the bottom. Examine the viton tip for any marks.Fuel pump pressure could be too high. 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. Everyone Has Started an Engine in the . Hold throttle valve wide open and close choke valve as far as possible without forcing. When the engine gets hot and then is shut off, gas can sometimes overheat and then boil. Complete service manual: Comprehensive factory service information (341 pages) for the Carter WCFB carburetor. parts. Check any vents to make sure they are open. Check the low speed jets to make sure they are clear (#44). A fuel pump cannot be tested by unhooking the line and seeing if gas comes out. If not then clean it and try again. 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 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. 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. Back out throttle lever set screw until throttle valves seat in bores of carburetor. Test the floats in hot water and if you get any bubbles then they are leaking. Product information . Then close throttle. *New Accelerator Pump5. 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 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. This restricts the flow of fuel. They need to be centered in the bowl.Fuel could be leaking around the needle & seat. Float adjusted wrong check float level.Float leaking heat up some water and immerse the float. Solid fuel has the 2 tubes pointing up. Your friend will receive an email from you with a link to our site. 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. Any bubbles indicates a leak.Make sure the 2 floats are the same height. 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 (. 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). 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. Rotate throttle stop screw E until engine idle at approx 500 RPM. The setups data is the same. 60 pages of great info. The piston is brass and can be damaged very easily. I have repeated multiple times with same results. Did the old gasket get removed? Adjust by bending float arms, making sure both pontoons on each float are the same height. Disassembly2. Carter WCFB 4 Barrel Carburetor Float System, Engine wont idle, or dies after the choke is opened, or runs better when choke closed. At idle you are at maximum vacuum which makes the metering rods drop down into the main jets. Free shipping for many products! 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. Seat the discharge check by tapping lightly in the hole to form a good seal. All late model WCFB carburetors have three different length bowl cover screws. Inspiration for this arrangement was provided by the federal government through its exhaust emissions regulations. Buy REMANUFACTURED CARTER WCFB CARBURETOR 3696S For 1958-1965 Chevrolet Corvette 327 348: Carburetors . With rods held in this position, revolve metering rod arm (F) until lip contacts vacumeter link. *New Airhorn Gasket7. Air Bled has the venturi tube pointing down into the bore. 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. Press down on vacuum piston link C until metering rods bottom in the carburetor body. The idle mixture screws adjust the amount of air/fuel mixture that goes up to the venturi at idle. How to clean the Jeep Carter BBD carb Idle jets - Duration: 7:14. Look for breaks in the new gasket, or cracks around the threaded area.The needle could have been damaged while adjusting the floats. Check throttle linkage to make sure that primary throttle valves come to full wide open position. You will need to check your motors manual for the spec, but around 4 or 5 should be plenty. Place the choke housing toward the left and remove upper right main body to throttle body screw. Also check for overheating of the engine, fuel lines too close to the manifold, or too much heat in the engine department. Download was not the correct rebuild instructions for my WCFB carburetor, and the correct version was not available. Adjust by bending arm (J) on choke trip lever. cm448: Ebook carburetor service manual - 341 pages, 272 MBytes, pdf format. This restricts the flow of fuel. The ends of the connector rod should point to the throttle arm side. Please complete the fields below to send your friend a link to this product. 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). Hold in place and carefully tighten metering rod arm set screw (G). 1956 Chevrolet Corvette & Super Power Kit Engine Idle Speed, Idle Mixture and Throttle Linkage Adjustment Procedure. To correct, remove carburetor and turn it upside down. Carter WCFB Adjustments Metering Rod Adjustment Back out throttle screw so that the throttle valve close completly. 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 Adjusting the WCFB float level and float drop. There should now be 9/64 clearance between upper edge of choke valve and inner wall of air horn. The Carter WCFB and AFB designs fit easily beneath the low profile C1 and C2 hoods. You can also check the adjustment by measuring (F) which should be 18/64. Disassembly2. What more could you ask for? 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. 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. Ultra-Sonic Cleaning3. However, it is very similar and I found it very useful. The fuel is also conducted through a passage in the air horn to the secondary needle seat. With the thermostatic coil housing gasket and baffle plate removed, crack throttle valve and hold choke valve closed. Adjust by bending lip of float, not float arm. Fast Idle or Idle at Cold Start has to be One of the More Important Adjustments on the Carburetor. On 1956 models one point rich. Note te larger box, and the number of additional tools from the 1935 set. FREE to our customers that buy a rebuild kit. You need to run wire down all small passages. It needs about 4 lbs of pressure. If the secondary throttle plate is staying open, then check the primary shaft dog and spring. The fuel is also conducted through a passage in the air horn to the secondary needle seat. The ends of the connector rod should point to the throttle arm side. Older kits 30-70s. Watch this. The Carter AFB uses weights, and therefore never goes out of adjustment. Sometimes scraping around the edges with an awl will remove the staking. The lower edge of vent valve cap should be raised above surface of dust cover the distance listed in the. 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. 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! 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 Put some fluid in theaccelerator pumpwell and press down on the pump. Carter WCFB 4 Barrel Carburetor Float System. I have a 1952 Buick Roadmaster and just rebuilt the Carter WCFB carb, and I'm setting the idle according to the factory manual. Other 4 barrel carburetors such as the Carter AVS, Carter TQ, Rochester 4GC, and Rochester Q-Jet have a tensioned secondary spring. The correct way is to use a fuel pump pressure gauge. Can't find the answer you're looking for? When done you should see very little daylight around the valve. 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. 1st check to make sure the fast idle linkage isnt holding the valves open. The metering rod adjustment should be done after the pump adjustment. From my experience it is the most complete and comprehensive source for all things carburetor, encompassing a massive spectrum of makes models and applications. Adjust by bending lip of float, not float arm. . a. Make sure there is a check needle below the main discharge. 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. 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. Carter WCFB 4 Barrel Adjust Float. Back out throttle stop screw until throttle valves seat in bores. Correct by removing any burrs or nicks. 3: Holley 4150 idle mixture and speed adjustment screws. See figure 9F-2. I rebuilt a Carter WCFB carburetor with the lower auto choke setup. I purchased from you a rebuild kit for Carter WCFB 4 barrel carb on my 1955 Chev. At idle you are at maximum vacuum which makes the metering rods drop down into the main jets. The carburetor will flood. 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. This is percolation. 1955 Chevy Hard starting after flooding. Adjust by bending throttle connector rod at deepest angle as shown. There should be a retainer keeping the check ball in place. Fig. Can you help me out? 1956 Plymouth, Powerflite Transmission - Dashpot The dashpot has been eliminated. They know their stuff and provide technical assistance and guides in both paper and video formats. Manufacturer CARTER : Brand CARTER WCFB : Model Carter 4 BBL WCFB : Item Weight 12 pounds : Country of Origin USA . 1955 Cadillac Idle Air Mixture Circuit WCFB Carburetor Cutting Out on Left Hand Turn 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. Is there a pointed check weight in the main discharge hole. Be sure these ports are clear. 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. 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. Blowing out passages will not get them clean enough. Install the pump connector rod (D) in the outer hole, long stroke. Fuel pump working as it should (pulsates and sprays gas each time cam lobe activates it). Both valves should be closed. Probably not since only one butterfly is open. No metering rod gauges are necessary. It will be very helpful as I try to improve my performance and emissions of my 57 Corvette street machine. When I slow down to an idle, my engine runs rough. 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. Can't find the answer you're looking for? Back out throttle screw so that the throttle valve close completly. What Has Been Done to This Carburetor?1. The item you are trying to purchase is currently out of stock.Please enter your name, email, and phone number below. This circuit provides a measured amount of fuel when needed on acceleration until the vacuum and main circuit can take over.
