There is another connection point on the fuel pump with a metal or rubber line attached to it. Thanks again guys All great stuff. Most stuff prob. Now unscrew it exactly 2-1/2 turns. Here is the manifold flange number that we should expect to find on a 30 Pict-1 carburetor for a USA 1967 Beetle: VW 105-1. I think that most switches dont care whether it is 6 or 12 volts. You might just feel something if you are lucky. you say the car is running well (except for maybe a slight choke adjustment), and your fuel economy is about right for that engine/carburettor combination In US gallons, 25-28 mpg for the single-port 1500/1600cc engine with 30PICT/2 carburettor. It was a different marketplace in Europe and elsewhere. Shown here as an example is a 34 PICT 3 as normally . +$14.50 shipping. Find the automatic choke. Here is my question. Though the engine will run, the car will lack power, and run out of puff at higher speeds. I made a statement in my article saying that it would take much investigation to determine the differences for carburetors for Karmann Ghias, T-2s and Beetles both in the USA and abroad. You mention the number codes on the flange. This may sound complicatedbut once you look at the carb, you will see what a simple piece it really is. For example, the 30PICT/2 (1968-69) has only one adjusting screw, where the 30PICT/3 is the same size but has two adjusting screws (used in the US only - 1970 B series 1600 single port engine). 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. 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. Wow That is GREAT info. VW Solex Carburetor 30 PICT 3 For Air-Cooled Volkswagen. Mark, (Disassembly and Cleaning), 28 PICT-1 & -2; 30 PICT/1 Carburettor Overhaul mtwinger. Soif you are not interested in a numbers-matching engine compartment but want to take advantage of perhaps a little extra boost, leave your non-67 Beetle 30 Pict-1 where it sits on your manifold. Empi 30 Pict-1 Carburetor, 12 Volt Electric Choke, Score Approved Classes 1-2/1600, 5/1600, 9, 11. Hosted at Dr. Bob's in Louisville Kentucky. Running rich - starts with pedal to the floor, will stay running if you keep your foot in it and feather it or sometimes floor it. when I bought my 67 Deluxe Beetle two years ago in San Diego, California, USA, it had a miss-mash of parts on it from who knows when. Illustration #6 shows the drivers side of the bottom halves of both versions. Matchup -2 & 30 PICT-1 20 PICT-2, -3 & 34 PICT-3 Page - 1 2: All upright: English: John nothing on the flange but stamped on outside of bowl On the top of the throttle lever is a small screw which sticks out towards the back of the car. This is because, although the casting is present in the 66 version, it is not drilled through to the bowlthe source of the fuel to be dispensed. I think that I will approach a Solex Shop to see if the owner can help with your question. Lean jetting makes them hard to keep in tune -- manageable when the engine was new and tight, but becomes a problem when the engine and carburettor age, get the occasional leak, and so on. VW Beetle 1200 and Karmann Ghia 1954-1979 John Haynes 1998-07-30 Haynes Thank you for your patience! Another amazing tutorial Jay! Based upon this new information, I dug through my supplies of carbs until I found and separated those from 1966 (1300 engines) and those from the 1967 1500 engines (note that I am speaking about vehicles specifically exported from Germany into the USA through dealerships). Note the tiny, shiny plug. They tell me the smaller one is a 6 volt which they dont make anymore. As for the 6 Volt Pilot Jet ValveI have 2 or 3 and I think that they operate. jay. Im now smarter and saved to home screen, the whole articles I need. The Factory Pilot Jet would have been g60. Hello, MarkI am glad to hear from you from Belgium! jay, Hello, i am Mark and i am from Belgium. 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. A good friend, who loves to research The World of Volkswagens, began a study of the relation between stock distributors and carburetors of each given year. He was sorting thru his Haflinger parts and came across a cool old plastic gas can that fits in the spare tire and a 30 pict 1 carburetor. There is a wire coming to it from the positive side of the coil. the carburettor down to the sides of the engine, where it attaches How ever I am rebuilding a 67 carb, and the choke was broken and I need a now choke. Thank you for signing up! 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 true 67 carburetor had only the 12 volt choke heater (dismiss any thoughts about a 6 volt choke heater). Engine; if it continues as a single pipe from head to head, Ive decided to go back to the stock carb as it always started right up, even after sitting for months at a time. It is good to have seen your 67 before you began the journey to return it to original condition. Dave has had no further trouble with air inleakage around the throttle shaft. Mark, you surely are welcome! From memory, some of the differences he pointed out are are sloping headlights, locking steering column, different interior door handles, no emergency flashers or back up lights, thin chrome trim/mouldings, different hubcaps and drivers side mirror, 4-lug wheels with power dics brakes in the front, 6v wiring. The 1300 also was the first Beetle year to have cam bearings. 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. Neverthelesssince we of 1967beetle.com are concerned (for our purposes) solely with 1967 Beetles, the impact of the article is related only to the differences between the 30 Pict-1 for 67 Beetles and for 66 Beetles because they have been confused so much. Jay, You need a partial vacuum in a carburettor to draw in the fuel from the float bowl. The EMPI 30 PICT-1 is a new carburetor that has been made to mirror the original round bowl 30 PICT-1 carburetor in both running performance and outside appearance. Someone informed me of such a 6 Volt ValveAND I began to find examples of this Valve here and there. Empi Part# 98-1288-B. This Site is owned and managed by a good friend of mine: 1966vwbeetle.com. 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. on the top of the carburettor bowl. Also, the 28-series carbs usually have a larger jet in the power fuel system than the 30 series when used with the check ball in the carb body, its delivery was limited somewhat. Is your carburetor a 30 Pict-1? It had a 125 Main Jet with an Air Correction Jet size of 125z. It had 1600 cylinders, with single port head and 30PICT/3 carburettor. Solex 30PICT-2 Carburetor VW Volkswagen Beetle Bug. Doubtfulbut remotely possible. The Pierburg 34PICT/3 Carburettor, Adjustment of "Single-Screw" Carburettors However, it seems that that style return spring would still be applicable for 66 beetles when the early style 30 pict 1 was still in use, is that correct? Confused? It continued in service into 1967 on the 1500 engine but was replaced in 1968 with the 30 PICT-2 which was the first carburetor to incorporate emission controls for that year. 1. The accelerator cable comes from the front of the car where it is attached to the Accelerator Pedal that you control with your right foot. Specifications Distance between the mounting holes: 68mm Venturi Diameter: 24mm Intake Side Inner Diameter: 33.5mm Air Filter Mount Inner Diameter . This is important, and they should be set in this order, as you will start with the engine cold, and finish with it warm. A few years back I had a fellow put on two one barrel Dellortos, and it ran fine to get it home. Thanks again for the article. Hi Jay, Probably not this causing the problem -- it should self align as the screws are tightened, but even a few thousandths out might cause it to stick, and this would also tell you if the screws are loose, which they should NOT be of course (probably two screws, and I think you get at them from underneath). If so, how does one join, as I cant find anything on the site to do so. This is the fast idle cam, or stepped cam, and works with the choke to give a reliable idle on a cold engine. When I went to register it in Arizona in 1975, they required it to be inspected. And, I DO work for you. 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. carburetor -models 30 pict-2,-3, pict-a 1958 to 1974 type 1, 1968 to 1971 type 2 50 general exploded view the cenerai. 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. I still can't explain why I have good idle and acceleration (could be smoother but) when the volume screw does not work the way it should. Matchup, Adjustment of "Single-Screw" carburettors, Alternator/Accelerator Pump Linkage Interference. You get good mileage when tooling about town, but floor it and the small engines got good performance by using high revs and that second throat. The breastplate is a one-year-only tin as is the air breather. I didnt think there was anything there as the dirt was light and completely smooth. Search Close Menu Close Classifieds. 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. Thanks for coming back to me, youre right, Im in the UK so a non US vehicle. However, upon closer inspection, one can see that there is a drilling that is not continuous in the 66 version, whereas the drilling in the 67 version IS continuous and contributes to what is called the Power Fuel System. I drive a '67 Beetle daily and love to share vintage Volkswagen stories with the world. There is an air screw on the drivers side of the carb. Or should find a 75-1 instead? Turn clockwise VERY slowly in until you hear the engine begin to slow. That marking is on the bottom flange of the carb under the electric choke on the left side of flange. Slightly loosen the 3 screws on the ceramic choke element retaining ring. This forms the air-tight seal which is required. The chart which I use does not indicate 6 volt or 12 volt. Interference, Carburettor/Distributor Some later 30 Pict-1 Carburetors for 1966 vehicles were fitted with a Hanger on the Carburetor Top and the provision for the Spring on the Accelerator Arm. Seriously useful info for most of us playing with out 67s. Solex 30 PICT-3, 34 PICT-3 and 34 PICT . Why, I cannot say. I apologize for the confusion. 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. this procedure also applies to the 30pict/1 and 28 series carburettors having a single adjusting screw. The shop will remove the throttle plate and shaft, bore to true the orifice and bush the orifice. 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. Of course, Volkswagen trained and certified specialists knew of all of these differences and didnt switch carburetors from one car to another unwittingly. Stay in touch. Started by tmea, 07 October 2007, 04:44 . I do see a 77 and a 78. And so, I was brought up short when my friend announced to me that there were two versions of the 30 Pict-1 carb for USA import Beetles. Carburetor Adjusting Tool. It shows a cutaway of the carburettor in good detail. 46-1 (Ghia) and 47-1 (Bug) use the Early Return Spring System What does the bypass screw do? Mikuni phh automotive carburetors. This works with the choke to give a smooth idle on a cold engine. Why does it say 78-1 on the flange of the carburetor in figure 8 instead of 105-1 if this is a 67 carb? On a 1600cc the main jet should be a size 127.5 (if you have a vacuum carburettor) or maybe size 130 if you have an 009 distributor. Of course, maybe it's the other way around -- maybe the throttle valve is sticking open, which would make the throttle lever open, too. Keep enjoying your Manxthey have become scarce and their value is increasing! Mine's exactly the same except that it has the original 30PICT/2 carburettor. ball will freeze in place. My question is can I still get a new choke unit for this carb. Thank you for stimulating our collective brains! I dont advise doing that. Turn it in slowly until it bottoms. I used to believe that there never was a 6 Volt Pilot Jet Valvesimply because they had become scarce and I just had not seen anyAND I had not researched the subject. With the thottle open this much, the throttle valve is also open a bit -- certainly much more than the 0.004 inch it's supposed to be. 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?). I recognize you as one of the knowledgeable persons on the Samba Forums who passes his knowledge to the rest of us! And one little tiny one on the passenger side of the carb. Now, scroll downwardslooking on the right hand side. in the bowl. 30 Series Carburettors And the fractional LEAN hesitation would be part of the cause too. by Patryk Rebisz Before . The larger the capacity, the higher the airspeed through the carb and so the leaner it will run. What year is that ? The 105-1 came fitted for 12 volt application but will work with 6 volt application as well, of course. Or, if working by myself, I find that I can come very close by adjusting the cable as follows: With the idle screw against the very bottom of the stepped cam, pull the cable back finger-tight and snug down the screw to secure the cable. 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. Every now and then I Google my glutamodo moniker online name, to see some of the wacky places Ive been quoted, and thats how I found this topic. So, should I change the VW79 entry to VW 79-1 with an Austia note? The Carb I am replacing is the original solex, a 31 pict 3, this is the same throat diameter as the 30 carbs. Fast Idle screw which works with the stepped cam to set the idle speed with the choke on. 1. Thanks guys. Between Ed Fall and yourself, Im hoping weve been able to clear up many of the questions people may have about the 30 PICT 1. Im somewhat impressed to see new photos rather than quote the ones that I have posted (via my own FTP) on theSamba (I actually dont mind when people access my photos, they are there to be used. Automatic Choke The bodies are cast identically. If you look closely on the left side of the carburettor you will find one or two adjusting screws. Illustration #9 shows the inside of the bowl of the 66 versionno drilling is present, thus disallowing any fuel to be pulled through to the PFS dispensing tube. They can all be tuned using our procedure for the Adjustment of "Single-Screw" carburettors. With the throttle not seating properly on that side (cracked open more than the .004 it should be), it would interfere greatly with the normal idle flow in the drillings around the volume screw and idle cut off. People switch parts on these puppies all the time. I am also in my 70s and havent worked on my 1967 engine in many years and want to buy a new carb. Made in W. Germany. It is possible that the 79 (which is missing on my charts) may fit into the scheme of things for the 66 and 67 T-2s. He will sell you the correct part which you need. VW Carburetor - 30 PICT-1 for Single Port Intake Manifolds. 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. It remains consistent that for the 1967 Beetle destined for consumption for the USA market, only the VW 105-1 was the carburetor of choice. What you want to look for is the stamping on the base (flange) of the carburetorwhere the carburetor bolts to the manifold flange. This is incorrect! 9. Rob wrote ? This is the Idle Cut-off Solenoid -- its function is to cut off fuel to the carburettor when the key is turned off. 3. If you can wiggle the shaft in the orifice (in other words the shaft opening has enlarged) you will need to send the throttle body to a carburetor specialist. Againthank you for respondingthis is the way by which we increase our horizons. (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. The 66 carb isnt a 6 volt carburetor per se. The engine should pick up speed and begin to smooth out. [1] 2. and where The carb was a 30 PICT 2, so when I could, I got a 30 PICT 1 105-1 for it.. Whoa.more information than I can handle. Thanks for commenting. We own a '67 Beetle and a '68 Karmann Ghia. I will try to find a 30, 1 or 3 pict carb instead. The carb is marked Solex 30 Pict on the side of the float bowl. All allow my partner Jay Salser to comment. Previous topic - Next topic. I started Air-Cooled Artifacts (previously, 1967beetle.com and Lane Russell). I want to buy a new carb, as the one I have is the original. Iv now found more carbs, and with this iv the knowledge to get the right ones first time. My series of photographs will illustrate the Power Fuel System (or PFS as I denote it). 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). 5. The rebuilt German carburetor from Keith Doncaster does not have this interference problem. 1. Can I use my 30PICT/1 carburettor on my 1600cc dual-port engine? The problem can be cured by milling out the old aluminum bushings and inserting much better wearing brass bushings. Its whatever electrical you install into it. Question - I have a simple question about the Solex 30 PICT/2 carburettor. Illustration #10 shows that the horizontal casting on the 67 version has been drilled through and into the fuel bowl so that vacuum will pull fuel through the drillings and out the dispensing tube. 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( dismiss any thoughts about a 6 volt which they dont make anymore a '67 Beetle daily and to. To me, youre right, im in the UK so a non us vehicle old! And 47-1 ( Bug ) use the Early return Spring System what does the bypass screw do for of. These puppies all the time ceramic choke element retaining ring who passes his knowledge to a!