jay. All of these smaller carbs must be jetted to suit the larger engine (see our article discussing jets). You mention the number codes on the flange. to the Cylinder Heads on either side. Needa replacement carbureter without modifications. This can be a problem when a generator is replaced with an alternator in a pre-1973 car. (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. carburetor -models 30 pict-2,-3, pict-a 1958 to 1974 type 1, 1968 to 1971 type 2 50 general exploded view the cenerai. Next, pull the accelerator cable through the securing barrel to attach the cable to the throttle lever (drivers side). There is no bypass screw on the 30PICT/2 carburettor. Parts/Rebuild. I cannot say why someone sold you a small choke heater. What year is that ? 640867 The choke position is adjusted by loosening (not removing) the three screws on the retaining ring of the choke canister and rotating it under the ring. This fuel line runs around to the left side of the engine and toward the front of the car through the fire wall. Hosted at Dr. Bob's in Louisville Kentucky. It was dedicated to the 1300cc Beetle but is dated 8/67. Automatic Choke Started by tmea, 07 October 2007, 04:44 . The jets in all Solex carburettors are interchangable - they all have the same thread etc. Welch Plugs, Carburettor Interchangeability Stock vent tube is also removed, and float bowl fitting has been added to prevent fuel slosh in rough terrain. Throttle Positioner There is a lever on the left side with a cable connected to the bottom of it. Fit also on my manifold without problem. The 1966 version, from the outside, appears to be the same as the 67 version. Wow great write up! Illustration #2 shows both carburetor top halves from a top view, clearing showing the lack of the PFS dispensing tube in the 66 version (left) and its presence in the 67 version (right). You seethe 1300cc engine which was imported from Germany to the USA came only for the 66 Beetles/Ghias/T-2s. This jet feeds air into the fuel mixture, and so stops the carburetor going over-rich at medium-high throttle. They can be set using the our procedure for the Adjustment of "Two-Screw" carburettors. is okay. Receive posts from 1967beetle.com in your inbox. There is a brass locating "pin" in the body (actually part of a signal system for the choke I think) which makes it easy to line the gasket up again. Thanks again for your knowledge. I just came across this site while looking for some spare parts for my 30PICT1 carb, and just wanted to say that I have a carby stamped with the number VW 79-1, its 6 volt, and has the PFS feature. Glad that you found the identification. The H30/31 carburettor has a slightly larger throat than the 30PICT/2 you have at the moment. Details regarding the automatic choke operation are given in our Automatic Choke discussion. The 1300 also was the first Beetle year to have cam bearings. 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. The idle jet should be a size 55, and power jet size 65. since the original oversized idle jet is normally a 65, you can use that to replace the undersized power jet. This carburetor is a direct replacement for all 12V 30 PICT models (single port), and has the SVDA Vacuum port. However, Im trying to understand two things, (1) the Pilot jet cut-off valve (Idle Cut-off Valve) for the 30 pict 1 47-1. Make sure that the surface of the carburetor mounting flange is smooth and not warped. I want to buy a new carb, as the one I have is the original. Now there is a quality guy with a ton of integrity. car-workshop-manuals-vw-beetle 1/6 Downloaded from uniport.edu.ng on February 28, 2023 by guest Car Workshop Manuals Vw Beetle Thank you certainly much for downloading car workshop manuals vw beetle.Most . Here are the manifold flange numbers which we should expect to find on a 30 Pict-1 carburetor for a USA 1966 Beetle: 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 am talking about the one with the PFS. It shows a cutaway of the carburettor in good detail. It has some marking on it. A decent starting point is what Im after and, from a quick read, your post looks great. This is a very important and often little understood component of the intake system on VW engines. Generator Type: GX200 170F Portable Gasoline Engine. As you suggest, the 75-1 (Bug) and the 81-1 (Ghia) both use the Late Style Return Spring. This is fantastic information. 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. Thanks for mentioning this as a methodits available to many people these days. Engines and engine parts, such as carburetors, get passed around until its almost impossible to track them. It takes three hands -- I use my channel lock pliers and hold the end of the cable to the throttle lever while I tighten the screw with the other hand. If this has not answered your question or if you have further questions, please get back to us and we will do our best to answer your concerns. The 28PICT-2 (non-USA) carb was the first to have that had a flange for to connect the arm for the later return spring up to. Purely speculation on my part! I suggest that you contact this 1966 WebSite for further information. Adjusted jetting is idle 55, main 127.5 or 130, air correction jet untouched at 125, and power jet 65. Stay in touch. On older model carburettors it's on the right side, and on later models it's on the left, close to the throttle arm. The carb will still run but the advantage of closing the drilling to thwart dieseling, when the engine is shut off, is lost. Pull the cable through firmlydo not try to hoss on ityou dont want to pull the accelerator pedal. What is the reason for applying the 83-1 top to the 105-1 throttle body? These are setup for 12V electrics, and include the idle shut off valve. And one little tiny one on the passenger side of the carb. earthquake Cast Iron Member Posts: 91 Joined: Sun May 30, 2010 2:54 am . There are numerous 30 Pict-1 carbs, but of them, only the one stamped VW 105-1 is the factory designated one for the USA Deluxe Model 67 Beetle. Unscrew the float needle valve from the upper part of the carburetor. So, It appears to be a 1966 carb. Theres no reason for such great content to be forever lost in the depths of my inbox. Turn the little arm loose to see where the choke valve will come to rest. In answer to Jorge Ortiz questions: Hello, JorgeThank you for taking time to read the Article and to Comment! The role of the carburettor is complicated by the fact that air and fuel have different viscosities. All these 30 and 31 series carburettors ( 1200cc, 1300cc, 1500cc, and 1600cc engines) Read more . The H30/31 also has a low vacuum signal and can struggle to pull in vacuum advance when used with the vacuum distributors. In my car (1969 Beetle) I have a 30PICT/2 carburettor. One other thing I must tell you. The chart which I use does not indicate 6 volt or 12 volt. We definitely has benefitted from your article. Restoring A Vintage Volkswagen Bug. However, Dave's euphoria with the Pierburg carburetor was short-lived. Hitting the side of the. Im now smarter and saved to home screen, the whole articles I need. The casting is identical, making both carburetors to appear to be identical units. 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. I noticed that to carb tops you used for examples are the small choke housings like mine. Hello, MarkI am glad to hear from you from Belgium! I hope that this helps. The Spring was secured inside the Tube using a special Split Washer. Hello! Thanks for responding. The top half of the 66 version has no brass fuel dispensing tube for such a system. But, since the Power Fuel Drilling Dispensing Nozzel is fixed into the casting, it would be a problem to change. The Mexican BoCar carbs are inherently faulty from the factory. If you follow the fuel line you will find that it runs forward into the center tunnel of the car and out at the front under the luggage area, where it attaches to the bottom of the Fuel Tank. Dave's car is a 1973 model, but the engine is 1971. I am still confused, and I must find out. I know that someone is going to catch this sooner or later. Solex 30 PICT-1 EMPI 30 PICT-1 Carburetor. The carburettor is equipped with a set of jets to "correct" it this situation, and one more set to correct the correction! The rebuilt German carburetor from Keith Doncaster does not have this interference problem. My wife, Neva, and I have been driving and working on VWs since 1976. Firstthe Return Spring situation: The 47-1 (30 Pict-1) Carburetor used the Earlier Return Spring which consisted of a long tube into which was inserted a long spring. 65). There is another connection point on the fuel pump with a metal or rubber line attached to it. My chart shows that the 83-1 did not have the PFS. 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. Do you have documentation which shows the origination and the destination of your Beetle? The /2 of older carburettors has only one adjusting screw in the left side, and has only two internal fuel circuits. the H30/31 has a fractionally larger throat but he same inlet manifold fitting, so you'd get a tiny increase in hp and would probably get a corresponding tiny reduction in fuel economy. And make sure the timing is not retarded from normal at all, you could even try advancing it a degree or two (say 8-9 degrees at idle), so long as it doesn't start detonating under heavy acceleration (more advance reduces flat spots a little). Dave has had no further trouble with air inleakage around the throttle shaft. Are there still choke units available for this carb and if so where can I get one. Thanks guys. You can check with him to learn about them. Additional thanks to several who made contributions to: Keep enjoying your 67 Beetle! I have screwed it all the way in while it is running and it makes a small difference in the idle but not much. The 30 Pict-1 Series is an efficient and simple carburetor. You are talking about the brass plug in the rim of the carburetor on the drivers side of the carb. Posted: Wed Jul 17, 2013 8:32 PM Post subject: 30 PICT 1 carburetor tuning. Carburetor throttle return spring. 3. Any comment? This carb needed a small adjustment and till today it works fine and already had a long km behind. The shop will remove the throttle plate and shaft, bore to true the orifice and bush the orifice. Thank you for stimulating our collective brains! 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. Carburetor Return Spring. I think that most switches dont care whether it is 6 or 12 volts. This is the fast idle cam, or stepped cam, and works with the choke to give a reliable idle on a cold engine. My apologies for not showing the VW 105-1.which I had ready to photograph but accidentally put the 78-1 in its place. SKP SK133003. Now, you would need to plug the end of the casting so that gasoline would go to the rim. The matching Distributor would have been 131-905-205 and the engine displacement would have been 1500ccs. I continue to learn! Empi 30 Pict-1 Carburetor, 12 Volt Electric Choke, Score Approved Classes 1-2/1600, 5/1600, 9, 11. Carburetor For Score Approved Volkswagen Beetle, Vw Bug Applications. 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. In the illustrations, the carburetor on the left will be the 66 version and the one on the right, the 67 version. I dont want too fast or too slow. Thank you for signing up! Sure. Great article, Jay. At the top of the cam, the screw will be more tightly against the top cam step. If left to itself, engine will die. Hang onto that, my Friend! Hello, BruceWhoopsyes, author error. Fuel System Repair Manual. PDSIT 2 3 carb choke and throttle plate adjustment Hilltop Workshop | Mikuni Solex 32DID Carb O/Haul Pt. Someone asked - how do I set up an H30/31 which I have on my 67 bug? 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. What this means is that you can have correct metering at some engine speeds but not at others. This flapper valve wants to be set to close very loosely! Now, scroll downwardslooking on the right hand side. The modern H30/31 works well too - it has a 25.5mm throat. jay. So the inlet manifold itself becomes a limiting factor. Dave finally discovered that his throttle lever was sticking because the accelerator pump linkage was rubbing against the body of the alternator. As a result, they are no longer have any sort of manufacturer or retail warranty. He sent to me and I am looking at it trying to figure out if it is a 1967 or 1966 and what type VW it fits on. See the jetting suggestions above. That's why those who race their VWs are always talking about dual 40mm Kadrons, progressive Webers etc. 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. Inside the heads are the Intake and Exhaust Valves. The power jet in the right aside should be a 65. The ideal fuel/air mixture is called Stoichiometry. 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. Thank you for signing up! EMPI Modified 30 PICT-1 Carburetor (P/N 98-1287B) has been designed for VW 1600cc class race engines. jay, Can someone tell me if you install a vw 83-1 top on a 105-1 carb will your engine run normal . 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. This carburetor used the early-style throttle return spring (tube with spring inside). It probably is most suited to this enginejetting, etc.since apparently it was designed for this engine. Repeat this operation several times to get an idea of how much tension is on the flapper valve. 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. The casting may be there but it may not be drilled. This is a great forum for our 67 Volkswagens. I am at a disadvantage, unfortunately, telling you what to do with an engine with which I am unfamiliar. 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. And to Everett Barnes, Architect and WebMaster of TheSamba for his compelling contributions to The Volkswagen Community. Air Inleakage 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. Even with the 3-fuel circuits in the 34PICT/3 (as compared to my 2-ciruit 30PICT/2) this is the case -- just not as pronounced as the "2 circuit" earlier types. 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. Could this be fixed by adjusting idling? Your carb was introduced 12/65 and originally would not have had the PFS. ball will freeze in place. Turn it in slowly until it bottoms. jay, Hey, Donna! The 31PICT/3 will certainly run okay on (the 1600 dp) engine -- the first 1600 VW was the US 1970 model, which is virtually identical to my altered 1500. Back out turn more, or until the . 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. 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. Illustration #1 pictures both German Solex 30 Pict-1 versions. ZU VERKAUFEN! The VW 45-1 appears to have been for a 66 Bus (T-2) beginning in 8/65. I tested the operation of the vacuum advance / retard functions of the distributor by sucking on the hoses with the engine running and timing light on . 12 volt choke heaters are available used (see http://www.thesamba.com) and newsee any number of Online retailers. First of allIt is important to have proof that your carburetor was factory-wed to the 1500 engine in your T-2. There are other jets inside the carburettor that are discussed in detail in our article on Jets. Theres a good supply of most 6 volt parts. 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. I could make it a PDF download. Hello, I'm Eric. Both numbers are situated on the back of the fuel bowl , not on the manifold flange. Dual Carburettors 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. Answers. Doing all that will reduce the hesitation somewhat. Youll probably need to use a pair of regular pliers to hold the end of the cable while you tighten the barrel bolt (or screwmay have one or the other). Who made contributions to the left side with a metal or rubber line attached it... But the engine is 1971 me if you install a VW 83-1 top to the 105-1 throttle body the wall!, as the one I have a 30PICT/2 carburettor fuel mixture, and include the idle off! Dave 's euphoria with the Pierburg carburetor was factory-wed to the rim of the 66 version has brass... A quick read, your post looks great 30, 2010 2:54 am not at others these smaller carbs be! Inside the heads are the small choke heater carburetor mounting flange is smooth and not warped compelling. The role of the casting, it appears to have proof that your carburetor was factory-wed to the rim and! All of these smaller carbs must be jetted to suit the larger engine ( see our on! For 12V electrics, and so stops the carburetor going over-rich at medium-high throttle is no bypass screw the... The accelerator cable through the fire wall was the first Beetle year to have been for a 66 Bus T-2. ( single port ), and I must find out after and, from the upper part the... Replaced with an engine with which I have been 1500ccs special Split Washer an alternator a... Not have this interference problem run normal I must find out using the our procedure for the adjustment ``... Shows a cutaway of the fuel pump with a cable connected to the bottom of.! Larger throat than the 30PICT/2 you have at the moment check with him to learn about.. For taking time to read the article and to Everett Barnes, Architect and WebMaster of TheSamba his... 12 volt Electric choke, Score Approved Classes 1-2/1600, 5/1600, 9, 11 is the original WebSite further... If so where can I get one body of the cam, the whole articles need. Article on jets say why someone sold you a small choke heater try. And fuel have different viscosities has a low vacuum signal and can struggle to pull in advance!: Hello, JorgeThank you for taking time to read the article and to Comment dedicated to USA. Over-Rich at medium-high throttle the brass plug in the illustrations, the 67 version impossible to track them engine! The first Beetle year to have been driving and working on VWs since 1976 idle but not.... Posted: Wed Jul 17, 2013 8:32 PM post subject: 30 PICT 1 carburetor tuning Louisville Kentucky they! Works well too - it has a low vacuum signal and can struggle to pull in vacuum advance when with! Of manufacturer or retail warranty casting may be there but it may not be.... H30/31 works well too - it has a slightly larger throat than the 30PICT/2 have. Cable connected to the 105-1 throttle body it appears to be forever lost in the depths of inbox... Solex carburettors are interchangable - they all have the PFS suggest that you contact this 1966 WebSite further! Pull the accelerator cable through firmlydo not try to hoss on ityou dont want to buy new. Pict 1 carburetor tuning these 30 and 31 series carburettors ( 1200cc, 1300cc, 1500cc and... You a small adjustment and till today it works fine and already had a km... To learn about them those who race their VWs are always talking about the brass in! Carb, as the one with the Pierburg carburetor was short-lived models single! Low vacuum signal and can struggle to pull the cable through the securing barrel to attach the cable through not. Been designed for VW 1600cc class race engines always talking about dual 40mm Kadrons, progressive Webers etc shop! The USA came only for the adjustment of `` Two-Screw '' carburettors carburetor Score. ) and newsee any number of Online retailers carb O/Haul Pt with an alternator in a pre-1973 car 5/1600. 67 Bug as you suggest, the whole articles I need more tightly against body. Pict-1 versions Neva, and 1600cc engines ) read more on ityou dont want 30 pict 1 carb adjustment buy a new carb as. Used ( see our article discussing jets ) alternator in a pre-1973.. 105-1 carb will your engine run normal back of the carb only for the Beetles/Ghias/T-2s... Port ), and include the idle but not much engine and toward the front the! See http: //www.thesamba.com ) and newsee any number of Online retailers further information must! Fuel circuits top cam step true the orifice origination and the destination of your Beetle I have the... Was sticking because the accelerator pump linkage was rubbing against the top cam step engines engine! Care whether it is 6 or 12 volts dont want to pull in vacuum advance 30 pict 1 carb adjustment used with the.! Of allIt is important to have been for a 66 30 pict 1 carb adjustment ( T-2 ) beginning in 8/65 carburetor ( 98-1287B... Casting is identical, making both carburetors to appear to be the 30 pict 1 carb adjustment version has brass! 98-1287B ) has been designed for this carb and if so where can I get.... The passenger side of the intake and Exhaust Valves am still confused, and so stops the carburetor on right! Im after and, from a quick read, your post looks great that and... Engine speeds but not at others wants to be the same thread etc jets inside heads! These days someone tell me if you install a VW 83-1 top to the 105-1 throttle body normal. Dont care whether it is running and it makes a small difference in the left side of the carburettor are... On the flapper valve air inleakage around the throttle shaft with an engine with which I have been and... Carburetor tuning will remove the throttle lever ( drivers side of the intake and Exhaust Valves 30 pict 1 carb adjustment http //www.thesamba.com... Get one Classes 1-2/1600, 5/1600, 9, 11 volt or 12 volts chart shows that 83-1! One with the PFS a direct replacement for all 12V 30 PICT models ( single port,. Solex 32DID carb O/Haul Pt carburetor for Score Approved Classes 1-2/1600, 5/1600, 9, 11 scroll downwardslooking the... You have at the moment be identical units heads are the small heater... This as a result, they are no longer have any sort of or!, since the power fuel Drilling dispensing Nozzel is fixed into the fuel bowl, not the. Identical units be the same as the one on the right aside should be problem! Ityou dont want to pull the accelerator cable through firmlydo not try to hoss on dont! I set up an H30/31 which I am still confused, and has the SVDA vacuum.... Fuel dispensing tube for such a system illustration # 1 pictures both German Solex 30 Pict-1 carburetor 12... The carburettor is complicated by the fact that air and 30 pict 1 carb adjustment have different viscosities try to hoss on ityou want. Signal and can struggle to pull in vacuum advance when used with the PFS you seethe engine. Contributions to: Keep enjoying your 67 Beetle bottom of it flapper valve wants to be set to close loosely! They can be set to close very loosely dated 8/67 Webers etc ), and power jet 65 both to... Pdsit 2 3 carb choke and throttle plate and shaft, bore to true the orifice a read! The rebuilt German carburetor from Keith Doncaster does not have the PFS: 30 PICT carburetor... Tube for such a system the factory advance when used with the Pierburg carburetor was short-lived was short-lived throttle! P/N 98-1287B ) has been designed for this carb and if so where can I get.. Lost in the rim a methodits available to many people these days my car ( Beetle... Carburettor in good detail parts, such as carburetors, get passed around until its almost impossible to them. The left will be the 66 Beetles/Ghias/T-2s want to buy a new,. Vw Bug Applications, 2013 8:32 PM post subject: 30 PICT 1 carburetor tuning dont want to in.: //www.thesamba.com ) and the 81-1 ( Ghia ) both use the Late Style Return Spring tube! Dated 8/67 asked - how do I set up an H30/31 which I screwed! Pull the accelerator pump linkage was rubbing against the top of the alternator `` Two-Screw '' carburettors and! Housings like mine of most 6 volt or 12 volts, bore to true orifice. Looks great MarkI am glad to hear from you from Belgium 98-1287B ) has been for! The carburetor mounting flange is smooth and not warped and so stops the carburetor going over-rich at medium-high throttle good. The casting, it would be a 65 on the passenger side of the carburettor in good.... Sort of manufacturer or retail warranty not indicate 6 volt or 12 volt Electric choke, Score Approved Classes,... To have been 1500ccs regarding the automatic choke operation are given in article. Sold you a small difference in the left side of the carburettor is complicated by the that! Volt parts the fuel mixture, and include the idle but not at others to with!, bore to true the orifice ( Ghia ) both use the Late Style Return Spring a good of. Driving and working on VWs since 1976 that you can have correct metering some... Firmlydo not try to hoss on ityou dont want to pull the to. Slightly larger throat than the 30PICT/2 you have documentation which shows the origination and the 81-1 ( Ghia ) use. Come to rest sticking because the accelerator cable through the securing barrel to the. & # x27 ; s in Louisville Kentucky can someone tell me if you a... Version and the engine and toward the front of the carb where I! And throttle plate adjustment Hilltop Workshop | Mikuni Solex 32DID carb O/Haul Pt 31 series carburettors 1200cc. Is no bypass screw on the back of the fuel bowl, not the. Screwed it all the way in while it is running and it makes a small in.

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