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). It is the origional carb. Hello, MarkFirst lets talk a minute about your carburetor. Illustration #11 shows the 66 version carburetor bottom half (left) with the Brass Jet on the passenger side of the carb, and the 67 version (right) with the Electro-magnetic, 12 volt, Pilot Jet Valve (idle cut-off). Throttle Linkage. Just tighten firmly. Hello, Brucecontact Eric, Owner and Site Manager about adding photos to the Comments Section. My bug has a Brazilian Bocar 30 pict 1, I was somewhat disappointed it didnt have the original. The 28 series carburettor is really too small for the 1600cc engine. Solex 220S Thanks for the additional info. Remove the spring and diaphragm. Its whatever electrical you install into it. Hitting the side of the. Rob responded - Well, yes, that's sort of right. Lets see what the community has to offer, in terms of advice and thoughts on the 30 PICT 1. This will allow the carb to run, although it prob. 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. As stated previously, before attempting to adjust the carburettor make sure your engine is warm and the choke butterfly standing upright. However, since you say that you have a dual-port engine, the 30 Pict-1 will not fit onto the manifold without an adaptor plate. Of course, maybe it's the other way around -- maybe the throttle valve is sticking open, which would make the throttle lever open, too. Restoring A Vintage Volkswagen Bug. 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. 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. The /3 designation means the carburettor has three fuel circuits inside, and two adjusting screws on the left side. The carburettor is equipped with a set of jets to "correct" it this situation, and one more set to correct the correction! Perhaps they too were unaware of this. brass sleeve holding the pump nozzle in place. We offer the 30 pict 1 carb. 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. Answers. . So, It appears to be a 1966 carb. Before you begin to adjust the carburettor, the valves, points, and timing should be set. Thanks for commenting. Lets see if we can unearth the relevant information. Another very interesting and certainly useful article from Jay. Just because the carburetor top has the Power Fuel Supply tube doesnt make it a 67 Carburetor. Fast Idle screw which works with the stepped cam to set the idle speed with the choke on. carburetor re-build Page 1/3 March, 01 2023 4a1 Solex Carburetor Manual. The chart which I use does not indicate 6 volt or 12 volt. Both numbers are situated on the back of the fuel bowl , not on the manifold flange. In summary, there are four replacement carburettors available today -- the 30PICT/1, the Brosol H30/31, the Bocar 34PICT/3, and the Pierburg 34 PICT/3: Note: In Australia the preferred replacement for 1600 engines seems to be the Brosol H30/31, rather than the 34PICT/3. 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. 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. Automatic Choke This check ball allows the pump to pull fuel from the bowlthe gas continues, after leaving the bowl, through a tiny orifice on its way to the accelerator nozzle which discharges fuel into the throat of the carburetor. Turn the little arm loose to see where the choke valve will come to rest. Stay in touch. Empi 30 Pict-1 Carburetor, 12 Volt Electric Choke, Score Approved Classes 1-2/1600, 5/1600, 9, 11. The Main Jet was 125;the Air Correction Jet was 125z; there was no Power Fuel Supply. It may be that someone sold you a choke heater from one of the very early carburetors such as a PCI or a 28 Pict. The are alignment marks on the ring and canister body so you can see how much it's moved. Unfortunately hes in his 80s and suffering with dementia/alzheimers and doesnt remember even owning a VW bug. Mikuni phh automotive carburetors. As you can see there is no adjustment of these jets except by removing them and fitting ones with different size holes so its these jets that should be. Theres no reason for such great content to be forever lost in the depths of my inbox. Carburetor For Score Approved Volkswagen Beetle, Vw Bug Applications. As for the 6 Volt Pilot Jet ValveI have 2 or 3 and I think that they operate. Document everything on the carmake an inventory so that you know what you have. Carburetor Adjusting Tool. I dont have too much hope that the 30 Pict-1 is going to get the job done. All of these smaller carbs must be jetted to suit the larger engine (see our article discussing jets). This may sound complicatedbut once you look at the carb, you will see what a simple piece it really is. And one little tiny one on the passenger side of the carb. Great article, Jay. My chart shows these as non-USA only carburetors. Take care and stick with us, Alan. And because we of 1967Beetle.com are concerned with Beetles, and, specifically 1967 Beetles, my comparisons will be limited to the 66 and 67 Beetle versions of the 30 Pict-1 carburetors. 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. Doubtfulbut remotely possible. This can be a problem when a generator is replaced with an alternator in a pre-1973 car. Thank you for taking time to read the Article and to Comment! I will continue to check to see if I can unearth this carburetor. -2 & 30 PICT-1 20 PICT-2, -3 & 34 PICT-3 Page - 1 2: All upright: English: John Doing all that will reduce the hesitation somewhat. Thank you Jay for the time and knowledge! The 28PCI, 28 PICT, 28PICT/1, 30PICT/1, and 30PICT/2 all have one adjusting screw in the left side of the carburettor (the Volume screw) and an idle speed screw on the throttle arm. 30 pict-1 carb. 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. Seriously useful info for most of us playing with out 67s. Note: It is important that you know the model of your carburettor, as adjusting details vary somewhat from model to model. and where The carb was a 30 PICT 2, so when I could, I got a 30 PICT 1 105-1 for it.. The air correction jet size is very important when using a smaller carburetor on a larger engine. Now, back it out 1-1/2 turns. 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 accelerator cable comes from the front of the car where it is attached to the Accelerator Pedal that you control with your right foot. Solex 30 PICT/2 Carburetor Adjustment Procedures. 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. There will be a different stamping for other applications (such as for the Bus, Ghia, etc.). Can I use the 34PICT/3 carburettor on my '69 Beetle? Matchup, Adjustment of "Single-Screw" carburettors, Alternator/Accelerator Pump Linkage Interference. This is the Fuel Pump. The idle adjustment screw rests on a strange-looking flat piece of metal with steps cut into it. Dual Carburettors Download 98-1289-B-Idle-Adjustment.pdf Manual. When restarting, need to floor the pedal as engine is flooded. Receive posts from 1967beetle.com in your inbox. . Honestly, pretty excited about it! Words by the amazing, Jay Salser. Thus, this carburetor would have appeared on the 1966 production year cars. 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. These carbs have a 22.5mm throat. For more information, please see Alternator/Accelerator Pump Linkage Interference. The larger the capacity, the higher the airspeed through the carb and so the leaner it will run. If it is not there, you COULD drill through the end of the casting into the bowl. As to your question: your combination will operate. At operating temperature, it should run nice and smoothly but not fast. Did the 105-1 carb come stock on the 1500 Euro 67 ? Could this be fixed by adjusting idling? 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. 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). jay. Thanks for jumping in on that one. 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. We, who have worked with VWs know that we can play with these engines and exchange parts from one year with parts from another year and make them work. Be sure to look for the stamping on the flange. VW-45-1, Hello, KevinIt always is a journey unraveling the components of these cars after almost 50 years of alterations. Solex 30 pict/2 carburetor adjustment procedures. Let us know what you discover, Russ. When you bolt on the carburetor..you want to snug the carb to the manifold flange but dont try to wrench it with all of your might. I KNEW that for 1966 there was no 6 volt electro-magnetic pilot jet valve (idle cut-off)that device was introduced onto the 1967 models as a 12 volt part that stopped the flow of fuel once the key was turned to the off position. The 1600cc DP can flow more air than the 1600cc SP and smaller engines. 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). So, should I change the VW79 entry to VW 79-1 with an Austia note? Locate the Volume Control Screw and the Bypass Screw on the left side of the carburetor. If your carb is old, you should check to see if the throttle shaft orifice has worn into an eliptical shape. Before installing any carburetor, look at the ceramic choke heater (passengers side-top). The cars been off the road for a long time, just looking forward to getting out in it. This is a very important and often little understood component of the intake system on VW engines. the head to provide the fuel/air mix to each intake valve. If the car is 12 volted and has an electro-magnetic idle cut-off valve, make certain that the valve is securely screwed into the carb. I started Air-Cooled Artifacts (previously, 1967beetle.com and Lane Russell). This is the volume control screw, used for setting the idle mixture, and this type of carburettor can be called a "one adjusting screw" type of carburettor. This is useful if you have to change jets and have a box of old Solex carburettors under the bench - you can sometimes borrow a jet to suit. Eric Shoemaker of 1967beetle.com tells me that he is shipping a new batch of correct-for-1967-Beetle carbs to be rebuilt. ZU VERKAUFEN! So.. Lets talk about how to properly install one. 8. Help Adjusting 30 PICT-2. The outlet ball is accessible once you remove the. My thanks, especially, to Adam Troeger of Grapevine, TX, for his invaluable research help and who compiled a wonderful spreadsheet for ease of comparison of carburetors. 65). Lots of info, I learned something I didnt know. You pose an interesting question. Features: Our carburetor is an excellent choice for replacing defective parts, ultra-high performance automatic choke,Improve throttle response for better engine performance. My apologies for not showing the VW 105-1.which I had ready to photograph but accidentally put the 78-1 in its place. It was dedicated to the 1300cc Beetle but is dated 8/67. Wow great write up! jay, Hello, i am Mark and i am from Belgium. Re: 34 PICT 3 Adjustment Woes. You mention the number codes on the flange. The following descriptions apply to all types of carburettors -. But, there will be no Power Fuel Supple Nozzle in the top, of coursemeaning that the top will block gasoline from exiting the 105-1 bottom Power Fuel Supply drilling. Firstthe carb will operate as is (of course, given that it isnt damaged so that it cant be rebuilt). This is the fast idle cam, or stepped cam, and works with the choke to give a reliable idle on a cold engine. Screw it in GENTLY until it bottoms. VW Solex Carburetor Idle Cut Off Valve 30/31 Pict 12 Volt Part # 056 129 412. Though the engine will run, the car will lack power, and run out of puff at higher speeds. 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. Later Dave replaced the Pierburg carburetor with a rebuilt German 427-1 model in which brass throttle shaft bushings had been installed. Active Classifieds . Thats a good way to save information for quick reference, Richard. All these 30 and 31 series carburettors ( 1200cc, 1300cc, 1500cc, and 1600cc engines) I am completely unfamiliar with the 1300 twin-port engines. This is the Automatic Choke valve, the function of which is to regulate the fuel/air mixture during cold-engine startup. Jay really did a great job with this one. He is a Solex Specialist. I cannot comment on their functions as compared with the 30 Pict-1 carbs. Thats the only way you will be able to determine which carburetor you have. Thanks. In the illustrations, the carburetor on the left will be the 66 version and the one on the right, the 67 version. Tim Robson. Someone informed me of such a 6 Volt ValveAND I began to find examples of this Valve here and there. ===================================== That presents some problems related to the use of a 009 at any time - there are discussion pages here on our site for the use of the 009 distributor. Step 1: Check and Adjust Fuel Pressure. The 30PICT/1 carburetor was designed for the first 1300cc engines in 1966 models and was used on 1967 1500cc models. I cannot say why someone sold you a small choke heater. Once the car is running, allow the choke to heat to open the choke valve (flapper). Unscrew the Fast Idle Adjuster (sits on the stepped cam), until it is clear of the stepped cam. jay, I have a 65 vw beetle convertable 6V with 28 PICT-1 carbureter. The 104-1 would have had the Power Fuel Systemidentical to that of the 105-1, 12 Volt Carb used on the USA Version Beetle. Accelerator Cable 1967 Beetle - Restoring A Vintage Volkswagen Bug, Shop Restored VW Parts Air-Cooled Artifacts. Ha I knew Id be needing this info. This carburetor is proving to be the most popular choice for restoration enthusiasts. jay, Thank you for the replies Eric & Jay. Keep enjoying your 67 Beetle! For instance, the 30 Pict-1 with the PFS which came on 1967 Buses (T-2) and Karmann Ghias (T-14) featured a PFS dispensing tube with a larger orifice. However, the purist in me kept my mouth shut. Jay- how do we add a photo or picture to our comments? It was a great read and I actually learnt that my carb has the PFS from reading. Be sure the two mounting studs in the Carburetor are firmly installed so that they do not turn when tightening the hex nuts. That marking is on the bottom flange of the carb under the electric choke on the left side of flange. I could make it a PDF download. ============================ 1600, 009, 30 PICT-1. The illustrations and very clear pictures by Neva are very helpful for us. I will try to find a 30, 1 or 3 pict carb instead. The 1966 version, from the outside, appears to be the same as the 67 version. You need a partial vacuum in a carburettor to draw in the fuel from the float bowl. He borrowed carbs from me and others and established his knowledge of the vacuum drillings and how they operate in each model of carburetor and how a specific carb and distributor that came on a specific VW vehicle were engineered to operate as a closed system. You mention buying a new carb. Jeff, so you can put a 1967 pic 30 pict on 1966 bug ?but not vise a versa ? Empi Part# 98-1288-B. In addition, Id like to point out that we will have the correct 30 pict 1 (105-1) carbs in stock this week. Why do you think that your Beetle is a Euro? Thanks guys. Thanks, Hello, Earl. . (Disassembly and Cleaning), 28 PICT-1 & -2; 30 PICT/1 Carburettor Overhaul Also look and the sides of the throat where the butterfly moves. Let us do some quick research. I noticed that to carb tops you used for examples are the small choke housings like mine. But when the cam has moved to its lowest step, you want this idle screw just touching the lowest step. I speculate that this carb might have been a factory replacement unit. Although I own a stock 6-volt 1966 Beetle (rather than a 1967), I learned a lot of useful information that can be applied to my 30-PICT-1 setup. This carburettor usually comes with a very lean main jet as an emissions thing (size 120 or even smaller) and a larger than normal idle jet to compensate. Then a month later it wouldnt start and the fellow I used had left the area, so it has been sitting ever since. If it is closing too tightly, do the following. There is a wire coming to it from the positive side of the coil. This valve shuts off the flow of fuel when you turn off the engine, to prevent "running on." Screw this screw completely into the carb. By this time of life (Im now 74) I thought that I knew the 30 Pict-1 inside and out, by heart, and could work on them in the dark. You have just pointed out more mysteries to be investigated even more thoroughly! Mark, you surely are welcome! The /4 designation means it's been set up as a lean running to control emissions -- more commonly found in California than in other parts of the world.
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