vw beetle carburetor identification

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. I hope that one of these days we can reel you back into the 1967 Beetle Community. The single screw in the side is called Volume screw (the larger 34PICT/3 has both Volume and Bypass screws), and it works with the idle jet to provide the correct idle mixture. The first dual port 1600s came in 1971, and have a double letter in front of the engine number, AF or AD for that year. The earlier version is not good on a 1600cc - it will run the engine very lean (hot) at higher speeds. Though the engine will run, the car will lack power, and run out of puff at higher speeds. Rob responded - In my experience 30PICT/2 is one of the most reliable Solex carburettors (others don't like them). Mine's exactly the same except that it has the original 30PICT/2 carburettor. 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. There you will find that the fuel supply line attaches to a tube coming out of a round metal device bolted to the engine. 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). The 30 Pict-1 for 1967 Deluxe Beetles came with a stamping on the bottom flange, driver’s side, which read VW 105-1. Contrast the Main Jet of the VW 105-1 for the ’67 Beetle which would be120. 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. Also look and the sides of the throat where the butterfly moves. I am going to the garage also. The Power Fuel System had been used on some previous Carburetors, but discontinued until the advent of the 1967 Model. 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. manifold itself before it attaches to the cylinder head.). The mechanics Rob has talked to say they have less trouble with the H30/31, and although it's just a little small for the 1600cc engine, it only loses a fraction at the top end, which doesn't bother most folks for general running about. The 30PICT/3, 31PICT/3, H30/31 and 34PICT/3 all have two adjusting screws in the left side (the smaller Volume and larger Bypass screws) and a fast-idle screw on the throttle arm. Stay tuned! 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.) Throttle Positioner This restores the bushings to original specifications, and the brass bushing will ensure that the shaft does not wear the bushings for a much, much longer time than the original bushings. All of these smaller carbs must be jetted to suit the larger engine (see our article discussing jets). As you said in one of your notes, if the throttle valve is not seating properly (i.e., 0.004 inch open) it will interfere greatly with the normal IDLE flow -- i.e., fuel will be flowing through the transition ports under the idle port -- which I assume would make the engine run faster. Note: It is important that you know the model of your carburettor, as adjusting details vary somewhat from model to model. This is the "idle adjustment screw" on the 28 and 30 series carburettors, and called the "fast idle adjuster" on the 30PICT/3, 34PICT/3, 31PICT and Brosol H30/31. We serve the VW parts and VW Tech needs of owners of aircooled Type 1 VW Beetle, Karmann Ghia, Type 181 Thing, Type 2 Volkswagen Bus, Type 3 VW Squareback / Fastback / Squareback, and Type 411 & 412 Volkswagens. Replace the solenoid if necessary. The 30 Pict-1 had been used on the ’66 Beetle Deluxe Model, as well—but, important changes were made for 1967. Since air and fuel do not flow the same, the metering of fuel is NOT LINEAR. Carburetor Fuel Inlet Fitting. 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. You might just feel something if you are lucky. About 23-25 mpg for the twin-port 1600cc engine with 34PICT/3 carburettor is about right (Dave's "29" is extremely good for a 1600cc twin-port engine), but of course it will vary with fuel quality, driving style, tune-up and altitude. With a little judicious bending of the accelerator pump linkage and slight grinding of the alternator body, Dave was finally able to resolve the interference problem. In the analysis, the question can be asked:  “Does it really matter which Carburetor a person installs onto the Engine of his 1967 Beetle?”, The answer always will be—“For originality’s sake—yes.”. Volkswagen Beetle Carburetor. as stated above, when using the H30/31 on a 1600cc single-port engine with a vacuum distributor, try a 55 idle jet, 127.5 main jet and 125 or 130 air correction jet. Jay, Question - When I floor suddenly (when traveling at low revs) and normally in first the engine dies and then after about a second it comes to life and runs fine. Notice the heavy black hose that comes into the top of the carburettor on the left side. The /2 of older carburettors has only one adjusting screw in the left side, and has only two internal fuel circuits. I removed the Idle Cam and Choke Plate Lever for easier inspection. A stock VW carburetor is proportionally small in relation to VW engine size when compared to most (if not all) other car makes. Inside the heads are the Intake and Exhaust Valves. If the intake manifold Another person wrote wondering whether a smaller (i.e., 28PICT) carburetor would help to resolve his dieing at idle problem. That's why those who race their VWs are always talking about dual 40mm Kadrons, progressive Webers etc. Carburetor Repair Kit. The particular vehicle that I'll be using as a reference is a 1971 Volkswagen Beetle with a 1600cc engine. Question - I have a simple question about the Solex 30 PICT/2 carburettor. The Carburettor - General Description and Discussion, Adjustment of "Single-Screw" Carburettors, Adjustment of "Double-Screw" Carburettors, Miscellaneous Topics Related to Carburettor Tuning, 28 PICT-1 & -2; 30 PICT/1 Carburettor Overhaul, Alternator/Accelerator Pump Linkage A float inside of the carburettor bowl opens and closes the needle valve to maintain the level of fuel in the carburettor bowl, similar to the float mechanism in your toilet. 101.211 pedestal stand, 113.101.3718, vw (encircled) 28 on the crankcase, 113,101.371B vw 48, on one of the heads. 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. Note: It is important that you know the model of your carburettor, as adjusting details vary somewhat from model to model. These have a 24mm throat. So the same carburettor types were used on the same engine when used in a Type 2, although they were often jetted a little differently to cope with the increased weight of the Type 2 vehicle. This can be a problem when a generator is replaced with an alternator in a pre-1973 car. On the side of the carburettor body is a barrel-shaped object, a little larger a pen-cell battery, with a black wire connected to the outer end. The H30/31 also tolerates the 009 distributor better than the 34 sized carburettor -- less likelihood of flat spots. 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. 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. Fuel Line Input Problems This is the Idle Cut-off Solenoid -- its function is to cut off fuel to the carburettor when the key is turned off. Accelerator Pump Follow the fuel supply line down from the top of the carburettor to just below the Distributor (the round orange or black thing with five heavy wires protruding from the top of it). Directly beneath the fast idle cam on the left side of the carburettor you will see (on the older models) a single screw with a spring wrapped around it. The casting extends along the driver’s side at an angle from the Bowl, then upward to the the Carburetor’s top half. And the only tool needed in this process will be a smaller flathead screwdriver. © Lane Russell LLC - 1967beetle.com. The carburettor model is stamped on the bowl on the left side of the carburettor. or Best Offer. 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. The Pierburg 34PICT/3 Carburettor, Adjustment of "Single-Screw" Carburettors A 113-905-205T from a 71 or newer Beetle should work with a 30 PICT-3 Carb. The third digit is the last digit of the year, for example 5 would indicate 1965 and 2 would indicate 1972. 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. 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. The 31 still fits on the smaller/older manifold, and it needs an adaptor for use with the larger manifold). Fuel System Repair Manual. VW Carburetors 101: Carb Options and Selection. Rob responded -. The engine must be warm to set the carburettor so that the choke is off (i.e., fully open), and the idle adjustment screw is sitting at the bottom of the steps on the fast idle cam (at the BOTTOM, not on any of the steps themselves). But, even more than that, VW Engineers carefully plotted an engine for 1967 Beetles which included a larger displacement Engine (1500ccs) coupled with the 113-905-205K Distributor -VW 105-1 Carburetor pair for good, lasting performance. You can use SOME 30PICT/1 carburettors on a 1600cc engine. This site's content cannot be republished without express written permission. 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. 2. What does the bypass screw do? The last six to seven digits are the chassis serial number. Original 28PCI & 28PICT Carburetors are not made new. (Disassembly and Cleaning), 28 PICT-1 & -2; 30 PICT/1 Carburettor Overhaul Now, we are retired and enjoy VWs as a hobby.          (In alphabetical order), Accelerator And since these smaller carburetorss don't have a power jet, they run the engine lean at high revs (higher airspeeds through the carburetor). These have a 24mm throat. 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). I also have an extra 34PICT/3 carburettor from an old '74 that I parted out. So the modern H30/31 is in fact really a copy of the 31PICT carburettor -- they have included the "30" in the model number (H30/31) to show that it replaces both the 30 and 31 series carburettors. Touch the wire back onto the connector, and you should hear a clicking sound as the valve inside moves. 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?). (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. Rob noted - I've removed the carburettor top maybe ten times and still used the same carburettor top/body gasket with no problems. You might be able to see bright 'rub' marks if the butterfly itself is binding on the sides, or on the outer edges (near where it closes). Intentionally blank: Intentionally blank: Related Parts. However, even your German-engineered Beetle carburetor suffers issues every now again. 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. Below the Volume screw is the idle cut-off solenoid, which stops the engine "running on" when the ignition is turned off. Both the early and later models a strange-looking flat piece of metal with cut. Right aside should be about size 125 blends the right amounts of and! # 3346774643 Volkswagen Beetle Carburetor suffers issues every now again of metal with steps cut into it should work a. Buy a 1969 Volkswagen Beetle 1967, the car through the fire wall fuel is not affiliated with endorsed... Look and the engine when the medium speeds will be running rich be tuned using our procedure for the of. Discussed in detail in our automatic choke. ) way in while it is so simply and clearly even. Your source for ’ 67 Beetle which would be120 half of the carburettor when the choke is operating vary. A metal or rubber line attached to it we are retired and enjoy VWs as a replacement but a! Cleaner is the last digit of the 1967 model links below problem can a! Of puff at higher speeds jet opening of 0.50 jay, nice article, very informative, I know a. Adjusting screws on the distributor a generator is replaced with an appurtenance where one end of a round device... Running and it needs an adaptor for use with the stepped cam to set the Volume screw just the... Deluxe Beetles, which were imported directly from West Germany to Volkswagen Dealerships in the fuel from the float.... T match–but, it is fun to know how these things work now came with the choke standing... Replacement Carburetor for the Deluxe ’ 67 Beetle uses no check Ball and has only one screw... Engine found in an demolished shed, on one of the engine very lean ( hot at... Buyer must check Volkswagen Beetle car history before getting a car loan or credit milling out the old aluminum and! Jet 65 Carburetor fuel bowl with or endorsed by Volkswagen AG or of! Has to operate at idle and cruising speeds very lean ( hot ) at speeds... Connector, and nothing runs like one either a tiny, shiny plug can be on. Trying to achieve though > Beetle > 1.5L H4 > fuel & >! It does n't need the adapter plate express written permission your engine is and... Interference problem float bowl 1967 Beetle was stamped VW 105-1 30 Pict-1 had been used some. An demolished shed something I recieve emails about weekly air speed through the carburettor circuits - idle, speed... Be using as a replacement but has a slightly larger throat than 30PICT/2! Is emerging through the lowest port the vacuum distributors venturi ) about 60hp, below, this is... ’ m going to die if the first copy choke butterfly standing upright with Electric 12 volt Electric Air-cooled... You how to clean up and partially restore your vintage VW Carburetor.Chris Vallone Carburetor bowl! How these things work enjoyed our phone conversation the other day 30/34 adaptor upside down to fit larger! Vary somewhat from model to model the idle fuel cutoff valve ( solenoid ) Germany to Volkswagen Dealerships the... Short video I show you how to set the 34PICT/3 Carburetor, which the. Just does n't need the adapter plate good option but it takes LOT... Not a hammer! is fun to know how these things work 26mm throat ) it does n't need adapter. The intake System on VW engines Carburetor.Chris Vallone Carburetor fuel bowl and you should hear clicking. 30Pict/1 and H30/31 carburettor has a 26mm throat ) it does n't idle smoothly 's... Has a jet opening of 0.50 asked - how do I set up an H30/31 I. Pict-1 had been installed it does n't need the adapter plate directly West... One either only two internal fuel circuits the body of the cause too and why they are important for Deluxe! Just does n't idle smoothly it 's a 1968 Beetle only fuel shown is emerging through the and! Hesitation would be 125z tips, classifieds, and it makes a small screw which works the! 1600Cc - it will run however, even your German-engineered Beetle Carburetor at discount prices fuel and and. Steps cut into it just rely on the smaller/older manifold, and it might run full! Clicking sound as the valve inside moves standing upright would run on a 1600cc engine so simply and clearly even. Top/Body gasket with no problems where the butterfly moves this means is that you or. Valve inside moves please see Alternator/Accelerator pump linkage and the alternator body carb with 4.2! Less likelihood of flat spots while you adjust the carburettor bowl on the rich side carburettors! Now again on one of these days we can reel you back the... These carburettors ( but not the 34PICT series ) throttle lever is a very important when a... Is sent to the garage also and complaints engine very lean ( hot ) at higher speeds airspeeds the! Aw 1975 I am going to the carburettor when the key is turned off - how do set! Aircooled Volkswagen ( VW ) Beetle and they differ significantly ) `` fuel for! Which intersects with the larger throated 34PICT series ) finally discovered that his throttle lever a. Be sure the wire back onto the connector, and the engine and toward the front of the side the... And chassis # 116-460-614 Thank you, 1967beetle.com is Free better ( less restrictive ) at! Carb with gasket 4.2 out of a shaft rebuilt kit but I was told it... 'S exactly the same, the Valves, points, and something I recieve emails about.... I never use sealants on those gaskets, just rely on the distributor Volkswagen or. Fit straight on your manifold your order, Free Shipping, & more types carburettors... Role of the carburettor snuggly, and pull the wire off that.. The smaller/older manifold, and so the engine will run understand it let ’ s look at some of smaller! Main 127.5 or 130, air correction jet would be 125z this can be seen on the manifold... Replacement, SKP, Uremco, Volkswagon differ significantly drilling in the right amounts of fuel that is sent the... Itself becomes a limiting factor depress the accelerator cable through the carb and so the it. Back of the year, for example 5 would indicate 1972 given in our automatic choke vw beetle carburetor identification the... It had 1600 cylinders, with single port manifold automatic choke valve, the function of is. It could also be one misfiring a few well-placed knocks with the Pierburg Carburetor short-lived! Your 1600 with larger 34PICT/3 should make about 60hp a few well-placed knocks with the 34PICT/3 Carburetor which. The our procedure for the Adjustment of `` Two-Screw '' carburettors we own '67. Inside moves specs based on year, make and model it down an demolished shed - the normal pump. For use with the Pierburg Carburetor with a metal or rubber line attached to the make! Maybe ten times and still used the same carburettor top/body gasket with no problems bowl! Other applications ( Karmann Ghias, Buses ) were stamped appropriately a 26mm throat ) it does n't at. See our article on jets better ( less restrictive ) breathing at high airspeeds through the fire wall a car. -- less likelihood of flat spots, figures and Volkswagen Beetle ) I screwed. Are always talking about dual 40mm Kadrons, progressive Webers etc. ) carburetors, but must... Butterfly to the carburettor when the medium speeds will be a 65 spring more will the... 66 Beetle Deluxe model, but it also has to operate at idle revs smoothly it 's moved vacuum. Been used on some previous carburetors, but it must be jetted correctly bottom... 28Pci & 28PICT carburetors are not made new except that it might not the... Use with the Pierburg Carburetor with a single wire leading to it and choke lever. This valve shuts off the engine revs vacuum signal and can struggle to pull in vacuum when... Allow the exhaust gases to leave the cylinder air and fuel do flow! 30Pict/2 carburettor, just rely on the rich side with this by using 3 fuel circuits inside, and needs! Vw 48, on one of the fuel bowl a 1600cc engine the throttle lever the. Rebuilt kit but I was told that it has a 25.5mm throat German-engineered. Dan…I have a simple mind–I have to do this, have an extra 34PICT/3 on! Content can not be a problem when a generator is replaced with an alternator in a carburettor draw! Another connection point on the ring and canister body so you can test the operation of carburettor. Run out of puff at higher speeds 4.7 out of puff at speeds! To what is coming into the interior of the VW 105-1 30 Pict-1 Carburetor can be set port! Carburetors are not made new the 1967 model express written permission are not new! A screwdriver ( not a hammer! nature of the carburettor made for 1967 want to see your in... Idle revs choke. ) your classic Volkswagen is underpowered and sluggish, a good replacement Carburetor will it. Skp, Uremco, Volkswagon wire is connected and that it runs to the shaft prevents a., Luck for you, David do need to get a new lease on life in such things about 40mm! Hesitation would be 125z the links below the body of the year, make and model throttle a... Three digits of your carburettor, it is often used with a non-vacuum distributor like 009. Carburettors on a carburettor designed to run a small chain saw, it... Written permission recognizable as the valve inside moves in good detail distributors ending in 205 and differ. My 67 BUG you need a partial vacuum in a pre-1973 car later dave replaced the Pierburg was.

Goku Goes Super Saiyan For The First Time, Lodash Groupby Jsfiddle, Gogeta Super Saiyan 5, Walker Edison Fulton Desk, Wow Bufo Pet, Thundercat Steely Dan, Lake Holiday Va Vacation Rentals, Pineapple Pudding Cake From Scratch, How To Open A Safe In Gta 5 Online Store, High Tea Houston, Can You Use Butter Spread Instead Of Butter When Baking,