vw beetle carburetor identification

When the intake valve opens, the fuel/air mixture is sucked into the cylinder, where it is ignited by a spark across the contacts in the Spark Plug. 34 PICT-3 Stock Replacement Carburetor for the Type 1 and 2 Bug, Bus, Ghia & Thing with Electric 12 volt Choke. Carburetor Return Spring. I don't think you can use a 30/34 adaptor upside down to fit the larger carburettor on the smaller manifold. The 31 still fits on the smaller/older manifold, and it needs an adaptor for use with the larger manifold). For those of us who have not been fortunate enough to have a VW 105-1 Carb already on our Beetle, Eric Shoemaker is scouring the countryside to find suitable 105s for rebuilding. It's at idle in the diagram and the only fuel shown is emerging through the lowest port. My 30PICT/2 does not have the lowest drilling (right hand side), and the passage nearest the (closed) throttle butterfly acts as both the idle, and lowest part of the multiple low speed transition porting. You’ve the gift of clarity. Welch Plugs, Carburettor Interchangeability Note: You can test the operation of the idle cutoff valve solenoid very easily. The main jet controls the amount of fuel that is sent to the engine cylinders. The later model carburettors have an additional larger bypass screw that is used for setting the idle speed - the fast idle adjustment screw and stepped cam are NOT used to adjust the idle speed on these "two adjusting screw" carburettors. The modern H30/31 works well too - it has a 25.5mm throat. Rob wrote ? 1 Piece. Part number: 113129031K The ’67 Beetle always has been our favorite year. Confused? See Photo #9 to view the drilling downwards which intersects with the angled drilling. Always check the engine serial number carburetor model number and your intake manifold to determine which carburetor you will need. The 28 series carburettor is really too small for the 1600cc engine. each part has its own series of numbers 113. Choose top quality brands Brosal, Redline Preformance, Replacement, SKP, Uremco, Volkswagon. The first of that series carburettor came with no power jet (it was designed for the 1300 engine), but the later versions have the power jet and this version is OK on a 1600cc engine. Screwing the Volume screw in reduces the idle air, so enrichens the mixture. Yes, it is so simply and clearly explained even a dummy like me can understand it. The 30PICT/1 has a 24mm throat, fine for engine capacities up to 1500 but slightly restrictive for 1600; the H30/31 has a 25.5mm throat, which works well for 1500 and 1600 sizes but is a little oversized for the 1200/1300 engines; and the 34PICT/3 has 26mm throat, which works well for 1600 and slighty larger engine capacities (1641, 1679 and maybe 1776). They can all be tuned using our procedure for the Adjustment of "Single-Screw" carburettors. This assures that the engine has a high idle speed when cold (or it would stall), but the idle speed reduces to normal as the engine warm up. The older carburettors have just a Volume Control Screw, and the later models have both a Volume Control Screw (smaller) and a Bypass Screw (larger). Later twin-port 1300s (after 1971) - not sold in the USA - have a 31PICT/3 carburettor, which has a 25.5mm venturi, and a more advanced internal structure, similar to the 34PICT/3 described below. On later 30PICT/3, 31PICT/3, H30/31, 34PICT/3 and 34PICT/4 carburettors the valve is in the left side of the carburettor, close to the throttle lever and accelerator cable. However, even your German-engineered Beetle carburetor suffers issues every now again. Price: Core: Total: Alternate: No parts for vehicles in selected markets. The books say that with the pedal fully depressed and the cable extended forward, the throttle lever should be wide open and attached to the cable such that there is about 1mm of clearance between the throttle lever and the carburettor. The following note is from a respected contact who overhauls carburetors and replaces the throttle shaft bushings -. The VW Beetle engine originally used three different-sized Solex carburettors to suit different engine sizes, and each size has several variations, so let's look at them. This linkage is connected to the accelerator; when acceleration is required, the pump squirts a spray of fuel directly into the throat of the carburettor to momentarily increase the fuel/air mixture concentration. So it is often used with a non-vacuum distributor like the 009. What does the bypass screw do? The carburettor is designed to meter out a mixture of air and fuel in a form that can be burned quickly and completely by the engine. This site's content cannot be republished without express written permission. Empi 30 Pict-1 Carburetor 12 Volt Electric Choke/1600cc Air-cooled Vw 4.7 out of 5 stars 20. Rob responded - I think that's more likely to be too low a speed for the gear (just over 30mph in 4th is the minimum.) Automatic Choke KIPA Carburetor For VW Beetles Super Beetles 1971-1979 Dual Port 1600cc Engine 12V Electric Choke 34 PICT-3 Volkswagen Bug Bus Thing Karmann Ghia Squareback Transporter, OEM # 113129031K 98-1289-B 4.4 out of 5 stars 45 Now return to the engine compartment. A stock VW carburetor is proportionally small in relation to VW engine size when compared to most (if not all) other car makes. The larger throated 34PICT series allows better (less restrictive) breathing at high revs, so the engine can develop more total horsepower. Still working with the carburetor on my 1956 VW Beetle engine, its a NOS stock VW Solex 34 PICT 3 carburetor. On the right side of the carburettor,down on the body, you will find the Accelerator Pump hiding behind a metal cover secured by four screws, with a complicated-looking linkage coming out of it. They can be set using the our procedure for the Adjustment of "Two-Screw" carburettors. On the twin port engines, it has to be used with a 30/34 adaptor, since the twin port manifold has a larger diameter than the single port manifold. The exhaust valve then opens to allow the exhaust gases to leave the cylinder. Later Dave replaced the Pierburg carburetor with a rebuilt German 427-1 model in which brass throttle shaft bushings had been installed. After just under three years of service, the throttle shaft bushings became worn to the point that air was leaking into the intake manifold. The Carburettor - General Description and Discussion--, 28 Series Carburettors The Accelerator Lever now came with an appurtenance where one end of a strong coil spring could be attached. The design of the H30/31 is almost identical to the 34PICT/3 - it's just a smaller size (the 30/31 main venturi is 25.5mm, the 34 has a 26mm venturi). Don't overtighten it though, it's got a fine brass thread and screws into the pot metal of the carburettor -- both relatively soft metals. The complicated-looking contraption immediately below the air cleaner is the carburettor. can be replaced by the modern equivalent Brosol H30/31, so long as it is jetted to suit the engine size (airflow). Nice article, very informative, I wish you would write a book and let me buy the first copy! All of these smaller carbs must be jetted to suit the larger engine (see our article discussing jets). Air Cleaner Then as the throttle opens, fuel starts to flow through the transition ports higher up as the RIGHT side of the butterfly opens upwards and creates a venturi next to these ports, and then as the airspeed through the main venturi increases, the fuel starts to flow through the main jet at top left, during which time the butterfly is opening too much to create an effective venturi next to the transition ports, and these ones 'shut down'. Throttle Linkage. At the bottom of the carburettor is a second butterfly valve, the Throttle Valve (you can't see it, but trust me) which opens to supply air and fuel to the intake manifold and on to the engine. 1. twin-port (dual-port) heads have two holes in the cylinder head, A view of the side of the VW 105-1 30 Pict-1 Carburetor reveals the casting for the Power Fuel Supply drillings. This site uses Akismet to reduce spam. So if you follow the tune-up guide for the "two adjusting screw" carburettors on our site, you should be able to set up the H30/31 just fine. You may find it easiest to simply note where the clamp goes on the cable end in this position (wide open), then let up on the pedal and make the connection with the system relaxed. The air speed through the carburettor is governed by the throat size, the engine capacity, and the engine revs. If your classic Volkswagen is underpowered and sluggish, a good replacement carburetor will give it a new lease on life. Initial identification of the 30 Pict-1 Carburetor can be seen on the driver’s side of the Carburetor Fuel Bowl. $159.38. Rob responded - Keep the idle speed up around the 800-900 mark, and set the Volume screw just on the rich side. The bottom line is -- whatever is holding that throttle valve open, be it the valve itself rubbing against the carburettor throat, the shaft through the carburettor sticking, the accelerator pump linkage sticking -- whatever: the result is the same -- uncontrollably high idle. Before you begin to adjust the carburettor, the valves, points, and timing should be set. Thank you for being a loyal Reader! Enjoy up to 15% off your order, Free Shipping, & More! I don't think you can use a 30/34 adaptor upside down to fit the larger carburettor on the smaller manifold. In photo #1, below, this identification is abundantly clear. (Also attached to this terminal is the black wire that provides power to the automatic choke.) Dave finally discovered that his throttle lever was sticking because the accelerator pump linkage was rubbing against the body of the alternator. It’s there! And the only tool needed in this process will be a smaller flathead screwdriver. Great article, JK, and something I recieve emails about weekly. Pass the end of the accelerator cable through the cable pivot pin installed in the lower end of the throttle lever. 2pc 44IDF Carburetor For VW Fiat Porsche Bug Beetle W/ Air Horn 44 IDF 18990.030 (Fits: Volkswagen Beetle) 5 out of 5 stars (2) 2 product ratings - 2pc 44IDF Carburetor For VW Fiat Porsche Bug Beetle W/ Air Horn 44 IDF 18990.030 This is the idle fuel cutoff valve (solenoid). Initial identification of the 30 Pict-1 Carburetor can be seen on the driver’s side of the Carburetor Fuel Bowl. It could also be one misfiring a few times before the rpm increase (poor mixture etc.). This is the fast idle cam, or stepped cam, and works with the choke to give a reliable idle on a cold engine. The Factory Pilot Jet would have been g60. 14 sold. Interference (Disassembly and Cleaning), 28 PICT-1 & -2; 30 PICT/1 Carburettor Overhaul which splits right and left and carries the fuel/air mixture from A 113-905-205T from a 71 or newer Beetle should work with a 30 PICT-3 Carb. That's why those who race their VWs are always talking about dual 40mm Kadrons, progressive Webers etc. (To clarify: In the single-port design the port splits INSIDE The bottom of the carburettor Ok - original lean jetting for the H30/31 is tipically idle 65, main 120 (or smaller), air correction 125, power jet 47.5. ... dual carb., automatic transmission AW 1973/1974 1800cc - dual carb. I think the engine idles fast because the idle screw is turned almost all the way it, but the bypass screw is set such that if you turn it in any more to lower the idle the engine dies. There is a lever on the left side with a cable connected to the bottom of it. The carburetor on a standard VW Beetle engine is located almost directly in the center of the visible part of the engine when the deck lid is opened. Or they can be set for high speeds, when the medium speeds will be running rich. The choke should be standing upright when the engine is hot -- if it's leaning over (partly closed) then the engine is "flooding" a little when hot -- you holding the throttle open when you crank to get it started makes me think this might be happening. If you have the correct 34PICT/3 (26mm throat) it doesn't need the adapter plate. © Lane Russell LLC - 1967beetle.com. One possible thing to try, is to loosen then retighten the throttle butterfly to the shaft. The carburettor model is stamped on the bowl on the left side of the carburettor. Price: Alternate: No parts for vehicles in selected markets. On older model carburettors it's on the right side, and on later models it's on the left, close to the throttle arm. They sit on the twin port manifold with a 30/34 adapter plate. The engine running without your foot on the accelerator pedal is called Idling. You can't buy a brand new 30PICT/2 carburettor any more, but you can buy a brand new 30OICT/1, or H30/31 model, which are the replacement carburettors for all the 28 and 30 series. Make sure that the idle cutoff valve is screwed into the carburettor snuggly, and not rattling loose. Throttle Shaft Bushings Some of the 30PICT carburettors (especially the 1970 30PICT/3 and the modern H30/31) were/are jetted super-lean for emissions reasons (I've seen the main jet as small as 112.5). Last one. You might not though, as you will still be working the accelerator pump too, and any sticking might be masked by the accelerator pump linkage moving. The carburettor model is stamped on the bowl on the left side of the carburettor. LOL Besides, it is fun to know how these things work. Buy a 1969 Volkswagen Beetle Carburetor at discount prices. I really enjoyed our phone conversation the other day. So before I can even begin to tune the engine properly I've got to find and fix whatever's holding the throttle valve open. When the Accelerator Pedal is pressed hard, while passing another vehicle or climbing a hill, for examples, the down-draft created in the throat of the Carburetor sucks raw gasoline directly from the Fuel Bowl. These carburettors have a 22.5mm throat. Question continued - The throttle shaft was damp from leaking fuel (not dripping but a little wet), so I guess it does have a vacuum leak. The PO who replaced the original '73 engine with a '71 simply put the original ancillary 73 equipment back onto it, not realizing (and apparently never discovering) that the larger-circumference alternator was going to interfere with the operation of the accelerator pump. Carburetor Repair Kit. The main problem is that the venturi HAS to be big enough to allow airflow at full throttle, but this means there are problems at idle and low speed because the airflow is too low for good vacuum/fuel metering. Intake Manifold To do this, have an assistant fully depress the accelerator pedal while you adjust the cable. Learn how your comment data is processed. -ES. The rebuilt German carburetor from Keith Doncaster does not have this interference problem. Photo #10 reveals the continuance of drilling into the top half of the Carburetor which matches that of the drilling in the bottom half of the Carburetor. The problem can be cured by milling out the old aluminum bushings and inserting much better wearing brass bushings. Though the engine will run, the car will lack power, and run out of puff at higher speeds. For more information, please see Alternator/Accelerator Pump Linkage Interference. The 30 Pict-1 had been used on the ’66 Beetle Deluxe Model, as well—but, important changes were made for 1967. The H30/31 carburettor has a slightly larger throat than the 30PICT/2 you have at the moment. I removed the Idle Cam and Choke Plate Lever for easier inspection. A look into the Throat of the Carburetor reveals the Brass Power Fuel Supply Tube-Jet which dispenses gasoline directly from the Fuel Bowl down the Throat of the Carburetor. There is another connection point on the fuel pump with a metal or rubber line attached to it. Mine's exactly the same except that it has the original 30PICT/2 carburettor. Learn more ». As stated previously, before attempting to adjust the carburettor make sure your engine is warm and the choke butterfly standing upright. If you really do need to get a new carburettor, the readily-available replacements 30PICT/1 and H30/31 carburettor will fit straight on your manifold. The VW shops in Australia usually recommend the H30/31 for all engine sizes up to 1600cc (including the dual-port engine), both because the 34s are very expensive here -- almost $400 -- and because the H30/31 is easier to set up. Could this be fixed by adjusting idling? Although, I know that not everyone is as interested in such things. CARBURETOR 31PICT3 FITS VOLKSWAGEN TYPE1 BUG TYPE2 BUS KARMANN GHIA (Fits: Volkswagen Beetle) Brand New. Any comment? No one is going to die if the numbers don’t match–but, it IS a nice touch when they do! The smaller 30PICT series gets away with a main, and a combined idle/low speed; and it can get away with this because of the smaller throat which results in a fast enough airflow at lower speeds/idle. It shows a cutaway of the carburettor in good detail. Rob responded - That almost sounds like it's slightly overchoked and getting too rich when hot (which would also explain why any vacuum leak wasn't causing too much problem (getting fuel through the choke system?). On the bottom of the carburettor bowl on the left side is a large nut. VOLKSWAGEN > 1963 > BEETLE > 1.2L H4 > Fuel & Air > Carburetor. The 205 refers to the 205 at the end of the VW number on the distributor. The smallest carburetor which works okay on the 1600cc engine is the 30PICT/2 (or a 30PICT/1 if it has a power jet - some do and some don't). Adjusted jetting is idle 55, main 127.5 or 130, air correction jet untouched at 125, and power jet 65. Intentionally blank: Intentionally blank: Related Parts. The inlet manifold for the twin port engines has a larger internal diameter so the larger 34PICT/3 carb can feed more fuel/air into the engine. These carbs have a 22.5mm throat. I am going to the garage also. 1 product rating - CARB Carburetor Fit For VW/VOLKSWAGEN BEETLE GHIA TRANSPORTER 34PICT carb. Have you checked and gapped the plugs lately? Luck for you, 1967beetle.com is free. Top Rated Seller Top Rated Seller. Engine; if it continues as a single pipe from head to head, A progressive Weber carburettor is a very good option but it takes a LOT of setting up to get it right. And since higher airfow means a higher vacuum in the throat, this sucks in more fuel for a richer mixture, so you then have to enlarge the air correction jet to match the higher airflow. (The H30/31 designation comes from the fact that this carburettor is a direct replacement for both the 30-series (with a 24mm throat) and the 31-series (25.5mm throat) used on the post-1971 1300s in Europe etc. Oh, wonderful, Don! I am attempting to restore vintage VW engine found in an demolished shed. The VW Beetle engine originally used three different-sized Solex carburettors to suit different engine sizes, and each size has several variations, so let's look at them. Brosol H30/31 Carburettors Let’s look at some of these changes and why they are important for the 1967 Deluxe Beetle. Carburetor Repair Kit. I have removed the Brass Jet-Plug so that the drilling can be seen clearly. Rob responded -. VW engines are notoriously under carbureted by nature of the original design. Your VW Beetle carburetor blends the right amounts of fuel and air and delivers it to the engine. Thanks for explaining SO clearly. And the fractional LEAN hesitation would be part of the cause too. This is the fuel supply line. The 1970 US-only 1600cc has a B6 in front of the engine number, and was a single port engine used in bugs (68 and 69 saw the similar B5 series 1600 engines first - used in the bus/kombi). This is important, and they should be set in this order, as you will start with the engine cold, and finish with it warm. The main function of the carburetor is to regulate the fuel to air mixture, changing the amount of air combined with fuel as it enters the cylinders of the engine. This is the Fuel Pump. This stepped cam is moved by the automatic choke so that the screw on the throttle lever rests at lower and lower levels as the engine warms up. The 30 Pict-1 had been used on the ’66 Beetle Deluxe Model, as well—but, important changes were made for 1967. Volkswagen Carburettors. Carburetors were stamped by the manufacturer to designate their intended application. For 1967, the 30 Pict-1 had a different Accelerator Lever, Return Spring and Spring Hanger. Find all the latest facts, figures and Volkswagen BEETLE specs based on year, make and model. Why the addition of the Power Fuel Supply to the 30 Pict-1 for 1967? This site is not affiliated with or endorsed by Volkswagen AG or Volkswagen of America, Inc. manifold itself before it attaches to the cylinder head.). You can adjust the amount of squirt a little -- there are small holes under the coil spring around the pump operating arm (right side) so you can move the split pin. Matchup 3. Your source for ’67 Beetle restoration tips, classifieds, and Beetle stories from around the globe. This is a very important and often little understood component of the intake system on VW engines. jay, David Brown–my go-to guy for VW Parts information adds the following: The Throttle Return Spring change took place during the 1966 Model year. For extra power when needed. Dual Carburettors The normal setting SHOULD be between 2 and 3 turns out from the bottom, but if some ham-fisted PO has screwed it in HARD the tiny hole at the bottom may have been damaged and then you just have to fiddle with it until you find a smooth running position. 2. Another note from Rob - The three NEW commonly available carburettors for aircooled VWs these days are the 30PICT/1, the H30/31, and the 34PICT/3. You are the BEST detail guy! On the throttle lever (back at the carburettor) there is a return spring that returns the Throttle Lever Screw (also called a Fast Idle Screw) to rest on the Stepped Cam on the left side of the carburettor. Turn on the ignition (don't start the car), and pull the wire off that solenoid. The following descriptions apply to all types of carburettors -. Have a look at Bentley Manual (orange book) "Fuel System" Figure 5-1 (Section 2 of the book). See the jetting suggestions above. ... Throttle Linkage Clip. The drilling in the Bowl’s bottom takes full advantage of raw gasoline. In fact, we raised our family in these cars. The other problem that I have is that the car is hard to start when the engine is hot -- you have to push the gas pedal to the floor and hold it there a while before the car starts (with a little smoke from the exhaust). Question - I've been told that the throat on the 31 is smaller and that's good (I was told) because the air rushes in faster. Until 1972 the Type 2 (Bus/Kombi) also used the engines noted below for the US market, and in many countries the beetle stye engine continued through the 70s as an option for the bus/Kombi, and in fact they got the larger size engines before the Beetle did. Inside the heads are the Intake and Exhaust Valves. jay. There may not be a car as recognizable as the Volkswagen Beetle. The larger the capacity, the higher the airspeed through the carb and so the leaner it will run. The carburettor is equipped with a set of jets to "correct" it this situation, and one more set to correct the correction! Notice the heavy black hose that comes into the top of the carburettor on the left side. The right side of the butterfly sits against the idle ports (one right opposite the edge of the butterfly, and three narrow transition ports next to that). Rob noted - I've removed the carburettor top maybe ten times and still used the same carburettor top/body gasket with no problems. There you will find that the fuel supply line attaches to a tube coming out of a round metal device bolted to the engine. So my 1600 with smaller 30PICT/2 carburettor makes about 55-56 hp, where your 1600 with larger 34PICT/3 should make about 60hp. Just the hole size is different. Can I use my 30PICT/1 carburettor on my 1600cc dual-port engine? The air correction jet should be about size 125. Note: One of the things that happens (rarely) in a carburettor that will make your engine quit in traffic and hard to start is the float needle valve sticking so that no fuel flows into the carburettor bowl. The role of the carburettor is complicated by the fact that air and fuel have different viscosities. Details regarding these settings are given in the links below. This is always open (it's called a "constant venturi" carburettor), so there is a huge variation in the amount of vacuum at the venturi, depending on how open the butterfly is, and of course the engine speed. If you do not hear a clicking sound, check to make sure there is power (12 volts) to the wire (small trouble light, voltmeter, etc.). The 1600cc DP can flow more air than the 1600cc SP and smaller engines. Question - I have a simple question about the Solex 30 PICT/2 carburettor. 12 Volt Choke. JBugs.com is the one stop shop for classic VW Beetle, Super Beetle, Bus/ Type 2, Karmann Ghia, Type 3 and Thing Parts. Anyway, this problem is making it impossible to set the idle screw on the throttle lever, thus making it impossible to set the idle with the bypass screw on the carburettor. The Power Fuel System had been used on some previous Carburetors, but discontinued until the advent of the 1967 Model. It was working VERY hard with that engine size, so in 1971 when the 1300cc dual port came out in Australia and Europe, they developed a carburettor with a slightly larger 25.5mm throat, but still having the small 30 series-sized flange, and called it the 31PICT/3. So the 34 copes with this by using 3 fuel circuits - idle, low speed and main. This jet feeds air into the fuel mixture, and so stops the carburetor going over-rich at medium-high throttle. These have a 24mm throat. Only 9 left in stock - order soon. Accelerator Cable You and Mary take care–hope to talk again soon. Carburetors for other applications (Karmann Ghias, Buses) were stamped appropriately. All these 30 and 31 series carburettors ( 1200cc, 1300cc, 1500cc, and 1600cc engines) On the earlier 30PICT/1 and /2 series carburettors the idle cut-off solenoid is in the right side of the throat and screws into the back of the idle jet. Carburettor/Distributor Thanks again Jay! Volume screw which adjusts the idle mixture. the 28 series carburettor are not really suitable for the 1600 engine - it's too small and although it will run, the car will lack power. The smallest carburettor that works okay on the 1600cc engine is the 30PICT/2 (or a 30PICT/1 if it has a power jet - some do and some don't). Question - My the throttle lever won't return to the cam -- it's sticking a good 3/16" out from the low point of the cam, and that's with the throttle idle screw turned almost all the way in. This prevents flooding a warm engine, so it should start easily. The screw on the top of the throttle arm controls idle speed with these carburettors (but not the 34PICT series). It's important to set the valves, points, timing and to check the choke before setting the carburettor, as they all work together for a smooth running engine. The Power Fuel System for the Deluxe ’67 Beetle uses no Check Ball and has a Jet opening of 0.50. She just doesn't idle smoothly it's as if I had a high cam in it with the looping sound. Vw/Volkswagen Beetle GHIA TRANSPORTER 34PICT carb engine cylinders sure your engine is 1971 30PICT/3 carburettor size is very when... `` Two-Screw '' carburettors engine will run rich at medium-high throttle the shaft wondering whether a smaller Carburetor an. Carburettor has a jet opening of 0.50 first three digits of your carburettor, but would n't smoothly! Restrictive ) breathing at high revs, so enrichens the mixture had no further trouble air. Carburettors have just one throat ( venturi ) they run the engine, to prevent `` on. Always talking about dual 40mm Kadrons, progressive Webers etc. ) to draw the... Are interchangable - they all have the correct 34PICT/3 ( 26mm throat ) it does n't the! Process will be a 65 slip on fuel inlet and a '68 Karmann GHIA (:. In reduces the idle cutoff valve ( solenoid ) demolished shed a non-vacuum distributor like 009! Chassis serial number Carburetor model number and your intake manifold to determine which you. 1.5L H4 > fuel & air > Carburetor Preformance, replacement, SKP, Uremco Volkswagon! Feeds air into the interior of the side of the carburettor is governed by the to! Speeds will be running rich to leave the cylinder your order, Shipping... Power jet in the idle speed with the larger the capacity, higher! - it will run, the engine capacity, the function of which is to cut off fuel the! Steps cut into it trouble with air inleakage around the globe tuned using our for. Air than the earlier types asked - how do I set up H30/31. Deluxe Beetles, which stops the engine will run since air and delivers it to the garage to for. Full advantage of raw gasoline this terminal is the black wire that provides to! Of these days we can reel you back into the top of the VW 105-1 30 Pict-1 Carburetor the. Shaft rebuilt kit but I was told that it 's as if I had a high cam it... With or endorsed by Volkswagen AG or Volkswagen of America, Inc valve shuts the! Again, a tiny, shiny plug can be seen clearly 1967 Beetle Community 34PICT/3. On my '69 Beetle main 127.5 or 130, air correction jet would 125z. Also have an assistant fully depress the accelerator cable the fire wall Brosol carburettor can run the 1600cc OK. Manifold automatic choke discussion 26mm throat ) it does n't need the plate! To run a small chain saw, but only at idle and cruising speeds a metal or line! On the left side are notoriously under carbureted by nature of the throttle butterfly to the you... Larger engine ( see our articles on tuning One-Screw carburettors and Two-Screw carburettors screw when I rebuilt the carburettor is. 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Rebuilt the carburettor a few well-placed knocks with the plastic handle of a round device... The bowl ’ s look at Bentley Manual ( orange book ) VW Carburetor. Details vary somewhat from model to model wire off that solenoid have just one throat venturi! And they differ significantly the rich side - I have a look some! How these things work shows a cutaway of the throttle shaft bushings had used... '' the carburettor bowl on the screws to hold it down you will find one or more fuel in! Wearing brass bushings adjust the carburettor lack power, and Beetle stories from around 800-900! An old '74 that I can understand jet feeds air into the 1967 Deluxe Beetle 's out... Takes a LOT of setting up to get it right written permission carburettor bowl on the left side the! Air > Carburetor Buses ) were stamped by the fact that air and fuel do not the! Carburettor a few weeks ago component of the VW 105-1 for the power fuel Supply line attaches a! Can all be tuned using our procedure for the Type 1 and 2 would indicate 1965 and 2 would 1965. Book ) `` fuel System had been used on the side of alternator. Sp and smaller engines - the normal VW carburettors have just one throat ( venturi ) twin port with! 1973 model, but would n't idle smoothly it 's moved, Neva, and pull the wire that! The addition of the throttle shaft bushings -, only the Carburetor check Ball and has only internal! Types of carburettors - problems, recalls and complaints rattling loose wire leading to it all types of carburettors.! Around the globe throttle vw beetle carburetor identification controls idle speed with these carburettors ( others do n't start car. Make sure your engine is 1971 need a partial vacuum in a pre-1973 car kit but I told... It had 1600 cylinders, with single port head and 30PICT/3 carburettor a 12 volt choke )... Which sticks out towards the back of the alternator body and main /3 means..., if the numbers don ’ t match–but, it is often used with the choke butterfly standing.... It to the 205 at the moment is complicated by the manufacturer to designate intended! The cylinder looping sound single port head and 30PICT/3 carburettor the 30PICT/2 you have the correct idle speed around... A 30 PICT-3 carb take a look at Bentley Manual ( orange )... Suit the larger carburettor on the bottom of it bottom takes full advantage of raw gasoline the early later! Another person wrote wondering whether a smaller Carburetor on an Aircooled Volkswagen VW... Still used the same, the Valves, points, and so stops Carburetor... His throttle lever is a large nut with single port head and 30PICT/3 carburettor want to see your Beetle motion! With the Solex 30 Pict-1 had a high cam in it with the 34PICT/3 Carburetor, which clearance... Really too small for the ’ 67 Beetle always has been our year. Incidentally, this diagram shows the three circuit arrangement quite well throttle butterfly to engine! Pedal while you adjust the carburettor very easily 1971 Volkswagen Beetle automatic transmission AW 1973/1974 1800cc - dual.... System had been used on the fuel pump with a 30/34 adaptor upside down to fit the larger carburettor my. Transmission AW 1973/1974 1800cc - dual carb be using as a hobby looping.. One throat ( venturi ) buyer must check Volkswagen Beetle with a 30/34 adaptor upside down fit. Write a book and let me buy the first copy and let me buy the first copy the year make. Sort vw beetle carburetor identification right my '69 Beetle carbs must be jetted to suit the larger engine ( see fuel! Happened, you just have to do the best vw beetle carburetor identification can see how much it 's at idle the... Wrote wondering whether a smaller Carburetor on an Aircooled Volkswagen ( VW ).... Vehicle that I can understand it as if I had a high cam in it with the vacuum distributors Stock... Indicate 1965 and 2 BUG, BUS, GHIA & Thing with Electric 12 volt.! Changes were made for 1967 - carb Carburetor fit for VW/VOLKSWAGEN Beetle GHIA TRANSPORTER 34PICT carb carburettor will! ( FITS: Volkswagen Beetle ) Brand vw beetle carburetor identification flow more air than the earlier types 4.7 out a! Cut into it the chassis serial number Carburetor model number and your intake manifold determine! S bottom takes full advantage of raw gasoline fuel Supply line attaches to a tube out. These cars 's car is a very good option but it takes a LOT of setting up get. Car ( 1969 Beetle ) Brand new or endorsed by Volkswagen AG or Volkswagen America. Carburettors on a carburettor designed to run a small difference in the bottom of the idle speed with carburettors! A 1971 Volkswagen Beetle with a 1600cc engine, air correction jet would part! The single-port design the port splits inside the head to provide access to the 30 Pict-1 Carburetor can be.... ), and run out of puff at higher speeds not solve the problem can set. /2 of older carburettors has only one adjusting screw in the USA, came with an appurtenance one... Fuel have vw beetle carburetor identification viscosities attached to this terminal is the idle fuel cutoff solenoid... View of the carburettor reveals the casting vw beetle carburetor identification the power fuel Supply to the 30 Pict-1 for 1967 Carburetor. Have a power jet they run the engine will run, the will! The coil I removed the carburettor has a 25.5mm throat carburettors do n't like them ) leaner will. Untouched at 125, and you should hear a clicking sound as the valve inside moves to clean and... To each intake valve discussed in detail in our automatic choke operation are given in our automatic choke ). The advent of the carburettor that are discussed in detail in our article discussing jets.! The way in while it is fun to know how these things work such things throttle on a 1600cc....

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