Ultra-Sonic Cleaning3. William C. Carter was born in Union City Tennessee in 1884. 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 flat surface of the pump arm should be parallel to the straight edge. The flat on top of the pump arm should be parallel to the straight edge. FREE to our customers that buy a rebuild kit. 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). 41-108N Carter 2818S Carter 3059S What Has Been Done to This Carburetor?1. Coat threads of screw with sealing compound and install it. 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. Hold throttle valve wide open and close choke valve as far as possible without forcing. Clogged idle tube, or passages in the idle circuit. Gasket removed. Manufacturer CARTER : Brand CARTER WCFB : Model Carter 4 BBL WCFB : Item Weight 12 pounds : Country of Origin USA . One of the butterflies is open about 1/8 with the carburetor dis assembled. WCFB carburetors, althqugh basically all units are allke. Do not depress float lip against spring in needle, but let float rest of its own weight. 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. 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 Air Bled has the venturi tube pointing down into the bore. 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 clean the Jeep Carter BBD carb Idle jets - Duration: 7:14. 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. cm448. Someone has installed it improperly. Gasket removed as shown A. Adjust idle screws D to produce a smooth idle of correct speed is obtained. pump rod until the top of the pump arm is horizontal (or the screw that retrains it is perfectly vertical, if you prefer). I. DISASSEMBLY. 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. 1957 Desoto Adventurer Loose Throttle Lever Rear Carburetor. 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 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. 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! Measure from center top surface of pontoons to air horn. The well should fill with fluid. Complete service manual: Comprehensive factory service information (341 pages) for the Carter WCFB carburetor. 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). To correct, remove carburetor and turn it upside down. *New Float6. 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. Carter WCFB 4 Barrel Carburetor Float System. Carter WCFB Accelerator Pump Quick test to see if the accelerator pump is working. 1: Carter WCFB idle mixture and speed adustment screw location. Back out the throttle lever set screw (idle screw) to allow throttle valves to seat in the bores of the carburetor. (note) The metering rods will fit into the jets loosely. It should not be opened up. Recheck unloader settings with carburetor on the engine. When I slow down to an idle, my engine runs rough. Tyler's Forgotten Car Rescue 22,933 views. Holding the rods down and seated in the bottom (J), revolve metering rod arm until finger on arm contacts lip (K) of vacumeter link. 1st check to make sure the fast idle linkage isnt holding the valves open. They know their stuff and provide technical assistance and guides in both paper and video formats. With rods held in this position, revolve metering rod arm (F) until lip contacts vacumeter link. Enter Carb Number. This E-manual is pictured with the Carter WCFB carburetor with the upper auto choke. Includes theory, diagrams, detailed specifications, tune-up data and complete overhaul procedures. Any bubbles indicates a leak.Make sure the 2 floats are the same height. Good quality print. This is an electronic rebuild manual, no physical copy will be provided. Could the float bowl actually be the problem? Can't find the answer you're looking for? You need to run wire down all small passages. 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. Adjust by bending arm (J) on choke trip lever. Carter WCFB 4 Barrel Adjust Float. Carter WCFB 4 Barrel Carburetor Float System, Engine wont idle, or dies after the choke is opened, or runs better when choke closed. In this video I show you how to replace the fast idle spring on the WCFB carburetor. The Carter WCFB carburetors have a square-ish body with a rectangular air horn that protrudes above the air. Adjust by bending lip of float, not float arm. Your friend will receive an email from you with a link to our site. Make sure the air cleaner gasket does not block the bowl vents. Then close throttle. Check throttle linkage to make sure that primary throttle valves come to full wide open position. Hold a straight edge across top of dust cover housing, next to the pump arm. Buy REMANUFACTURED CARTER WCFB CARBURETOR 3696S For 1958-1965 Chevrolet Corvette 327 348: Carburetors . To correct, remove carburetor and turn it upside down. 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. Access our free Idle Speed and Mixture Repair Guide for Chevrolet Corvette 1963-1982 through AutoZone Rewards. Maximum float buoyancy is generally accomplished when the float pontoons are at a 90-degree angle to the fuel valve. When the engine gets hot and then is shut off, gas can sometimes overheat and then boil. When replacing them hold them tight against the wall while tightening the screw. Technical Details. Anti-Rust "Dichromate" Finish**4. 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 file is in PDF format, you can download and save/print a copy. Carter WCFB, 4 barrel carburetor manual. Hold in place and carefully tighten metering rod arm set screw (G). To correct, remove carburetor and tighten throttle lever by either peening end of shaft over, or soldering end of shaft to throttle lever. Fast, secure e-book download. Measure float height as illustrated above. We use a small bottle type of brush and spray silicon spray into the cylinder while we clean. If the secondary throttle plate is staying open, then check the primary shaft dog and spring. Make sure the air horn contacts the inner wall of the bowl. This is percolation. Adjusting the WCFB float level and float drop. If not then clean it and try again. During high speed operation a vacuum exists at the pump jets. I have taken this carb a part and rechecked floats adjustments and blown out passages with compressed air thank you. Make sure there is a check needle below the main discharge. The bowl vent is used to vent the float bowl, otherwise a siphoning of the gas can occur. 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. The most complete document I have found. Make sure the pontoons are centered and will not rub the bowl sides. 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 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. Readjust dashpot plunger to move 1/16 inch on closing of throttle valves. *New Airhorn Gasket7. Can't find the answer you're looking for? Also check for overheating of the engine, fuel lines too close to the manifold, or too much heat in the engine department. 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). Adjust by bending float arms, making sure both pontoons on each float are the same height. Fig. This can be done by looking at the impression on bowl cover gasket. Use a brass drift punch. The vacuum piston is no longer produced and can only be found as a NOS piece, or used. 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 throttle valves seated in bores, dust cover and gasket in place. Float adjusted wrong check float level.Float leaking heat up some water and immerse the float. The metering rods must be installed after the pump adjustment or when leaner than standard rods are installed. 3: Holley 4150 idle mixture and speed adjustment screws. BBS) and were basically an on/off condition similar to the function of a power valve. The all-aluminum AFB (Aluminum Four Barrel) was a big innovation in 1957, and lives on today under the Edelbrock name. 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. Measure from toe B to air horn. The float lifter spring also provides better float and fuel level stability when operating on rough, washboard type roads. Do not depress float lip against spring in needle, but let float rest of its own weight. 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. Any pressure put on the needle will damage it. The ends of the connector rod should point to the throttle arm side. Rotate throttle stop screw E until engine idle at approx 500 RPM. 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). You cannot go wrong with Mikes carburetor in any way. Pulloffs : CUFWCFB2 $ 0 . 2: Carter AFB idle mixture and speed adjustment screws. Back off the idle screw so that the throttle plates close completely. 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. Reinstall carburetor, align and readjust inter connecting rod to manufacturers specifications. 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. Watch this. At idle you are at maximum vacuum which makes the metering rods drop down into the main jets. Can't find the answer you're looking for. We will contact you as soon as this product is available. 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 . With carburetor installed and engine warmed up. Turn knurled nut of gauge until finger on gauge just touches top of plunger shaft (A). . Make sure the pump relief check is clean. Quick test to see if the accelerator pump is working. 1955 Cadillac Idle Air Mixture Circuit WCFB Carburetor Cutting Out on Left Hand Turn Gasket between bowl and base is installed backwards (easy to do). Be careful removing the intake check retainer. Carter WCFB Adjustments Metering Rod Adjustment Back out throttle screw so that the throttle valve close completly. Though fuel float bowl full, cant get gas into the accelerator pump chamber of the carb. Low fuel pump pressure always check you motors manual for the correct pressure. Other than that, great company to deal with. Metering rods for the WCFB have been out of production for several years now. Make sure these are clear if you have percolation problems. If adjustment is required, remove dust cover and bend arm that operates the vent mechanism. Carter WCFB 4 Barrel Carburetor Float System Adjusting the WCFB float level and float drop. New fuel pumps are especially suspect. Blowing out passages will not get them clean enough. 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. Carter used metering rods with a single step, 2-step, 3-step, and 4-step. The fuel is also conducted through a passage in the air horn to the secondary needle seat. DO NOT apply any pressure on the needle. 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 Must be made after fast idle adjustment. Disassembly2. Be sure these ports are clear. The accelerator pump circuit resides on the primary side of. Shorter and smaller overall than the 4GC Rochester, the WCFB was the right choice for dual-quads on a compact . This check prevents excessive pressure in the discharge passage during acceleration. The correct way is to use a fuel pump pressure gauge. The download link can be found on your order confirmation email which you will receive as soon as you complete the order. Carter built the first successful 4 barrel carburetor, the WCFB (Will Carter Four Barrel) which first appeared in 1953 on Buick cars. Ethanol leaves deposits behind that acts like corrosion. As the spring fatigues, the air valve will open too soon, creating an instantaneous lean condition, and a bog. Place the choke housing toward the left and remove upper right main body to throttle body screw. No metering rod gauges are necessary. 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. Most of the single step rods were steel. If not, then find the check ball and make sure it is loose. 1956 Plymouth, Powerflite Transmission Dashpot, 1955 Pontiac Loading or Carburetor Flooding, 1956 Pontiac Hard Starting, Partially Warm Engine. The accelerator pump is used to provide an extra squirt of fuel when you step on the gas. The WCFB carburetor which came on some of the earliest However, it is very similar and I found it very useful. The single step rods were used on some of the price leader carburetors (i.e. 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. These manuals contain specifications, parts lists and instructions.The manuals can also be used to help identify those carburetors without tags. 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. Ideas?? Some have a coating to give it a better shelf life. Rotate throttle stop screw E until engine idle at approx 500 RPM. 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. They are not meant to fill the hole, only to restrict it. The fuel is also conducted through a passage in the air horn to the secondary needle seat. Using the exploded view on reverse side as a guide, disassemble the carburetor far enough to permit thorough cleaning and inspec tion o! Everyone Has Started an Engine in the . The metering rod adjustment should be done after the pump adjustment. 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. Carter WCFB Fast Idle With carburetor installed and engine warmed up. Carter WCFB Build Sheets The carburetor will flood. They work fine when I push hard down on the piston. 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. Back out throttle stop screw until throttle valves seat in bores. These diagrams include: Fig. Check the low speed jets to make sure they are clear (#44). b. Test the needle by holding it down gently with a brass drift punch. Blow through the intake check passage to be sure the passage is open. Inspiration for this arrangement was provided by the federal government through its exhaust emissions regulations. cm448: Ebook carburetor service manual - 341 pages, 272 MBytes, pdf format. Probably not since only one butterfly is open. Kit looked complete but I ordered the wrong one based on the pump and of course with it being opened, it cannot be returned. Make sure the ball rattles. You are flooding (getting too much gas in the float bowl), caused by these types of problems. If it is, tap gently with a hammer and the same brass drift punch to seat it, or replace the check weight. The Carter WCFB, 4 barrel carburetor metering rods are used to meter the fuel getting into the carburetor bore. You will need to check your motors manual for the spec, but around 4 or 5 should be plenty. Rochester and Carter replacement parts are interchangeable. Install the pump connector rod (D) in the outer hole, long stroke. When that is the case, I bend the accel. Run a blunt object around the inside of the leather cup to make sure any coating is broken. The idle mixture screws adjust the amount of air/fuel mixture that goes up to the venturi at idle. WCFB Carburetor Cutting Out on Left Hand Turn. Fast Idle or Idle at Cold Start has to be One of the More Important Adjustments on the Carburetor. Also make sure one isnt rubbing on the side. Older kits 30-70s. Is there a pointed check weight in the main discharge hole. When removing valves they should be marked so that they get put back the same way. Did the old gasket get removed? Both valves should be closed. 1955 Chevy Hard starting after flooding. 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. Can't find the answer you're looking for? Carburetors equipped with an adjustable bowl vent require adjustment. Please complete the fields below to send your friend a link to this product. Hold air horn upright with floats hanging. 60 pages of great info. A WGD usually has a pump arm like that of a WCFB (IIRC). The accelerator pump circuit resides on the primary side of this carburetor. It isn't unusual for the vacuum piston on the WCFB to become frozen in the cylinder where it resides. They sometimes need trimming. Correct by removing any burrs or nicks. parts. 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. If hard starting still exists change the choke setting to one point lean. 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. All These Part Numbers Interchange Into Our Part No. You may even have to resort to finding a used WCFB carburetor. Back out throttle screw so that the throttle valve close completly. Test the fuel pump to be sure it isnt putting out too much pressure. Float drop not set, or fuel pump pressure too low. Press down on vacuum piston link C until metering rods bottom in the carburetor body. Recheck float adjustments. Coat threads of screw with sealing compound and install it. How to Adjust a Carter BBD 2 Barrel | It Still Runs The Carter carburetor has been around for a very long time. Take the top off and put the pump in the well all the way to the bottom. 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. Be careful when removing the top of the carburetor that you don't force things and break the piston lever. Carter WCFB Rebuild kits: Rebuild Kits. Because the float is maintained in a level position, needle valve bounce is minimized and excess fuel entry into the bowl is prevented. 1955 Pontiac - Loading or Carburetor Flooding Adjust by bending throttle connector rod at deepest angle as shown. 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 At idle you are at maximum vacuum which makes the metering rods drop down into the main jets. See figure 9F-2. It will be very helpful as I try to improve my performance and emissions of my 57 Corvette street machine. 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. Share. Probably around 4- 4.5lbs. Place the choke housing toward the left and remove upper right main body to throttle body screw. Adjust by bending lip of float, not float arm. 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. This is an electronic rebuild manual, no physical copy will be provided. Blow air through the main discharge to make sure the passage is clear all the way to the pump well. The adjustment of the pump is important in order to get the required fuel. Readjust idle to 500 RPM and fast idle to 1200 RPM On 1955 models set choke two points lean. When closing the throttle, the accelerator moves up in 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. Adjust by bending the connector rod at the lower bend (E). Why Doesn't Adjusting Idle Mixture Screws Make any Difference? When Quadrajet carburetors have Carter's basic four-digit identification number before the letter S, the carburetors are aftermarket replacements. 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. Examine the viton tip for any marks.Fuel pump pressure could be too high. Product information . If a loss of rpm is noted, or if the engine dies, and air leak exists. The lower edge of vent valve cap should be raised above surface of dust cover the distance listed in the. Free shipping for many products! Refer to the Adjustment Data Table for adjustment dimensions. It needs about 4 lbs of pressure. 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. The adjustment of the pump is important in order to get the required fuel. Watch on. Check any vents to make sure they are open. Aspringis inserted in the power piston hole, then the piston. Rebuilding Carter BBD carburetor part 3 - Duration: 5:04. 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 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 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. The ends of the connector rod should point to the throttle arm side. 19591961 Chevrolet Carter WCFB Carburetor All These Part Numbers Interchange Into Our Part No. 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. You can also check the adjustment by measuring (F) which should be 18/64. 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. What Has Been Done to This Carburetor?1. Can you help me out? With mineral spirits in the float bowl, Raise the pump. Adjust idle screws D to produce a smooth idle of correct speed is obtained. *New Main Body Gasket8. 1956 Chevrolet Corvette & Super Power Kit Engine Idle Speed, Idle Mixture and Throttle Linkage Adjustment Procedure. As for the pump not squirting.I suspect the pump well isnt filling up. The Carter AFB uses weights, and therefore never goes out of adjustment. 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