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. Kentucky. 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 . Slightly loosen the 3 screws on the ceramic choke element retaining ring. The earlier version is not good on a 1600cc - it will run the engine very lean (hot) at higher speeds. Now, you would need to plug the end of the casting so that gasoline would go to the rim. Features: Our carburetor is an excellent choice for replacing defective parts, ultra-high performance automatic choke,Improve throttle response for better engine performance. Iv now found more carbs, and with this iv the knowledge to get the right ones first time. Rob wrote - The normal VW carburettors have just one throat (venturi). Also look and the sides of the throat where the butterfly moves. Both were fitted onto 65 T-2s. If not, the engine will run rich at medium-high throttle. Step 1: Check and Adjust Fuel Pressure. 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. This flapper valve wants to be set to close very loosely! From Jorge Ortizwe received this Set of questions: Hi Jay. Dual Carburettors Matchup, Adjustment of "Single-Screw" carburettors, Alternator/Accelerator Pump Linkage Interference. Its from a 67 1500 engine (Australian model Kombi). Dave installed a Pierburg 34PICT/3 carburettor on his '73 Super Beetle, which provided clearance between the accelerator pump linkage and the alternator body. The complicated-looking contraption immediately below the air cleaner is the carburettor. 30/31 PICT-3 Type 1 & 2 Bug Bus Ghia. Engine; if it continues as a single pipe from head to head, Under the horizontal part of the intake manifold in the center is attached a smaller tube, the Heat Riser Tube, which brings up exhaust gas to heat the fuel/air mixture inside the intake manifold before it goes to the cylinder heads. That but caught me way off-guard. of corrosion inside the passages and sometimes the. I suggest that you contact this 1966 WebSite for further information. I just trust Ed Fall At Vintage Werks to keep me going. 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. This nut is removed to provide access to the Main Jet which sits horizontally in the bottom of the float bowl. Why dont you consider having yours restored? Thanks in advance! 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 screw on the throttle arm, which faces to the rear of the car is called the Fast Idle Adjuster. The main jet is located in the float bowl behind . 34 PICT/3 Carburettor Overhaul, Related Topics If it is the 1500cc, 6 volt Beetle which was destined for a market other than the USA, it might have had the VW 104-1 Carburetor with the 6 Volt Choke Heater. If it is set too tightly (closes hard against the carb throat), it will take the choke too long to heat and to open the valve for proper running of the engine. Hitting the side of the. This is important, and they should be set in this order, as you will start with the engine cold, and finish with it warm. My other beetle has a 34 Pict 3 and I know how to tune that, can anyone recommend a good place to look or method to correctly adjust the 30 pict 1? 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. But, Ill await your responses to my questions here before I do that. The carb tops are not marked to match the bottom halves. I understood the 34 picts fit the wider throated 1600 twin ports. Easy to order at Paruzzi classic Volkswagen supplies via Referncia Paruzzi: 32115, Volkswagen referncia 341129881C 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. Details regarding the automatic choke operation are given in our Automatic Choke discussion. 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. Alan, Unfortunately hes in his 80s and suffering with dementia/alzheimers and doesnt remember even owning a VW bug. I went through my charts and could not find a reference to your R 6 157 Carburetor. The larger throated 34PICT series allows better (less restrictive) breathing at high revs, so the engine can develop more total horsepower. Wow That is GREAT info. Thats a good way to save information for quick reference, Richard. $38.00. I scraped off some light dirt on the opposite side, and found VW 75 1 very lightly stamped into the flange. Intake Manifold Back out turn more, or until the . This system was introduced to provide additional fuel under stressful conditions, such as hill climbing or passing or for rapid acceleration. Keep up the good work, Russ! 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. Nor did they mismatch tops and bottoms. Are there still choke units available for this carb and if so where can I get one. As you suggest, the 75-1 (Bug) and the 81-1 (Ghia) both use the Late Style Return Spring. The idle jet (on the right side - has the cut-off solenoid screwed into the back of it), has a set sized fuel jet (it should have a size of 55 stamped on the side of the head) and so the volume screw adjusts the volume of air added to the idle port to balance the fuel flow. I dont have too much hope that the 30 Pict-1 is going to get the job done. This is the Fuel Pump. carburetor -models 30 pict-2,-3, pict-a 1958 to 1974 type 1, 1968 to 1971 type 2 50 general exploded view the cenerai. Nextis it a German Carb? The Power Fuel System Dispensing Nozzle for the VW 105-1 would be 0.50 with no check ball. Keep up the good work! I even argued the point. VW Beetle 1200 and Karmann Ghia 1954-1979 John Haynes 1998-07-30 Haynes Since air and fuel do not flow the same, the metering of fuel is NOT LINEAR. Then, drill from the rim of the throat into that casting from the top. Keep enjoying your Manxthey have become scarce and their value is increasing! These have a 24mm throat. jay. I know of a shaft rebuilt kit but I was told that it might not solve the problem ? This is fantastic information. Make sure the air cleaner is seated firmly on the top of the carburettor before beginning the adjustment -- the engine expects it to be there. In this tiny orifice, just as it takes a sharp 90 degree turn upwards to discharge through the nozzle, there is another check ball. 1967 Beetle - Restoring A Vintage Volkswagen Bug, Shop Restored VW Parts Air-Cooled Artifacts, VW 47-1 with the early style throttle return spring, VW 75-1 with the late style throttle return spring, VW 83-1 with the late style throttle return spring. Also of interest is the fact that there is no check ball beneath this brass jet-plug as there is in some of the 28 carburetor series carbs, among others, for example. Just the hole size is different. Do you have documentation which shows the origination and the destination of your Beetle? Jets Much appreciated! 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. If so what is the part number, and where can I find it. 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 larger the capacity, the higher the airspeed through the carb and so the leaner it will run. Another very interesting and certainly useful article from Jay. 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. So i have 3 check balls. 46-1 (Ghia) and 47-1 (Bug) use the Early Return Spring System. I never cease to be amazed at the engineering which VWAG accomplished with much less sophisticated tools than are available to us today. Previous topic - Next topic. jay. The bottom of the carburettor There are numbers referring to 30 Pict-1 versions for T-2s and for Karmann Ghias, which follow the same differential regarding the Power Fuel System (to be discussed further in this paper). Keep enjoying your 67 Beetle! 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. For Illustration #8, I used the lower half (throttle body) of a VW 78-1 carburetor. Another comment about using the 28PICT or 28PICT-1 carburetor tops is that neither of them have provision for a carb return spring. 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. 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. :). One in the bottom of the fuel bowl , one under the brass jet- plug wich would be pressed into the rim drilling when the carburetor is fully assembled. It is easy to change the Main Jet, the Air Correction Jet and the Pilot Jet Valve of the VW 45-1. Jay, Turn the little arm loose to see where the choke valve will come to rest. jay, Jay, I noticed the reference to the VW 79-1 carb, while I dont have any VW source materials that mention it, I did recently add it to my always-a-work-in-progress master chart of carburetors when I found the http://www.ruddies-berlin.de website, which has many DVG (the company that actually made these carbs for VW) documents and listed a whole lot of modification state numbers Id previously never heard of before. If only I had another life-time! My carb has the PFS tube, but the flange is marked R 6 157, not VW 105 1. We hope that you stay in touch with 1967beetle.com! Move the ceramic choke heater slightly clock-wiseto loosen the tension. Whoa.more information than I can handle. Dave's car is a 1973 model, but the engine is 1971. 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. Someone wrote ? 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). Ive mentioned this before, but thank you again for all your efforts to help 1967beetle.com grow. There is more to the Power Fuel Supply system than just that tube. Classic VW Club Of Louisville Tech Meeting - February 2017. 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. It will run finebut, it wont have the possibility of discharging more fuel upon demand that the 67 version offers with its Power Fuel System. Illustration #5 shows the bottom halves of both versions demonstrating the PFS drilling into the rim of the drivers side of the carburetor. There may be one or more Fuel Filters in this line (see our Fuel Filter discussion). I cannot comment on their functions as compared with the 30 Pict-1 carbs. twin-port (dual-port) heads have two holes in the cylinder head, Screw this screw completely into the carb. Most stuff prob. Turn it in slowly until it bottoms. The accelerator pump is pulling fuel from the bowl. The Japanese cars used to use them a lot. jay. Screw it in GENTLY until it bottoms. Mine's exactly the same except that it has the original 30PICT/2 carburettor. There is no bypass screw on the 30PICT/2 carburettor. Lots of info, I learned something I didnt know. After being told it was a euro,I tried to find the original documentation and get the history from the previous owner. Be sure that the wire to the cut-off valve is securely connected. Matchup Thanks again for the article. Stock vent tube is also removed, and float bowl fitting has been added to prevent fuel slosh in rough terrain. Please read my article on 1967beetle.com and follow the sequence of explanations and photos. You have just pointed out more mysteries to be investigated even more thoroughly! We think today that nothing can be done without computers! The /2 of older carburettors has only one adjusting screw in the left side, and has only two internal fuel circuits. 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. 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. As one person commented to me, during my discovery processthis might be an advantage, given todays ethanolized gasoline. Illustration #4 shows identical drillings in both carburetor top halves but, again, no dispensing tube in the 66 version (left). 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. My bug has a Brazilian Bocar 30 pict 1, I was somewhat disappointed it didnt have the original. Thanks, Hello, Earl. your engine is Single-Port. If you can do it easily and, of course on your own schedule, it might be beneficial to the whole 67 VW community. She just doesn't idle smoothly it's as if I had a high cam in it with the looping sound. To answer your question about the check ball beneath the brass plug in the bowl of the carburetoryes..that ball is essential. Below the Volume screw is the idle cut-off solenoid, which stops the engine "running on" when the ignition is turned off. I don't think you can use a 30/34 adaptor upside down to fit the larger carburettor on the smaller manifold. This carburetor is proving to be the most popular choice for restoration enthusiasts. 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. Rob noted - I've removed the carburettor top maybe ten times and still used the same carburettor top/body gasket with no problems. These parts help you finish the job: Recently Viewed . Miscellaneous Topics Related to Carburettor Tuning, Carburetor Overhaul Or should find a 75-1 instead? If you want to do that, we can steer you in the right direction. Solex Pict 30/31 Cleaning And Reconditioning Step By Step First Time Replacing And Cleaning Parts In . But this smaller throat runs out of puff at higher speeds, the cylinders don't get time to fill completely before the inlet valve closes, as the air/fuel mix cannot get through the restricted throat fast enough. 4. 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. Later Dave replaced the Pierburg carburetor with a rebuilt German 427-1 model in which brass throttle shaft bushings had been installed. This procedure also applies to the 30PICT/1 and 28. series carburettors having a single adjusting screw. 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). Doubtfulbut remotely possible. 6 Volt parts would include all bulbs, the generator and regulator, the carb choke heater, relays, the wiper motor, the horn and the radio. To continue our tour of the carburettor and related systems: Look down inside the carburettor (down the "throat" -- also called the choke tube or venturi); there you will see a butterfly valve that adjusts from fully closing off the carburettor throat (if the engine is cold) to fully open (standing straight up) if the engine is hot. is okay. 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. 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'. I apologize for the confusion. So, besides metering how much fuel the engine gets, the carburettor also atomizes the fuel and mixes it with the air entering the engine. Carburetor Fuel Inlet Fitting. Once the car is running, allow the choke to heat to open the choke valve (flapper). Search for: Search. I encourage you to look for that stamping first. Solex 30 PICT-1 is bolted to the top of the Intake Manifold, a metal tube Of course, Volkswagen trained and certified specialists knew of all of these differences and didnt switch carburetors from one car to another unwittingly. The Pilot Jet Valve (idle jet) would be the g55. Brazilian Solex uses the name Brosol, instead. These carbs have a 22.5mm throat. earthquake Cast Iron Member Posts: 91 Joined: Sun May 30, 2010 2:54 am . brass sleeve holding the pump nozzle in place. 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). Restored German. 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. I hope that this helps, Jorge. 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. I am completely unfamiliar with the 1300 twin-port engines. Meaning all.lol, saves the photo storage. DO NOT OVER-TIGHTEN! He is a Solex Specialist. Inside the heads are the Intake and Exhaust Valves. 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. 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). VW Solex Carburetor 30 PICT 3 For Air-Cooled Volkswagen. I am still confused, and I must find out. It probably is most suited to this enginejetting, etc.since apparently it was designed for this engine. 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. Touch the wire back onto the connector, and you should hear a clicking sound as the valve inside moves. At least, this is what my charts tell me. 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 a very important and often little understood component of the intake system on VW engines. Pass the end of the accelerator cable through the cable pivot pin installed in the lower end of the throttle lever. If left to its own devices, the engine will die. Started by tmea, 07 October 2007, 04:44 . I sent it to eric@1967beetle.com, it that correct? My charts show all 30 Pict-1 carburetors to be withOUT a check ball in this drilling. 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. If you like puzzlesyouve come to the right place! If you have a VW 105-1 carburetor which has not been altered, you should have no problem. Then came the 30PICT/2 in 1968/1969 for the 1300/1500cc engines and the 30PICT/3 for the US-only 1970 1600cc single-port engine. I have used them for many years with great results. Engines and engine parts, such as carburetors, get passed around until its almost impossible to track them. Replace the solenoid if necessary. So, It appears to be a 1966 carb. Probably is most suited to this enginejetting, etc.since apparently it was designed for this engine pump pulling. Here before i do that, we can steer you in the lower end of the drivers of... I must find out dave installed a Pierburg 34PICT/3 carburettor on the ceramic choke element retaining ring ) higher! ) use the Late Style Return Spring system amp ; 2 Bug Bus Ghia comment on their as. Ones first time hope that you contact this 1966 WebSite for further information of them have provision for carb. Choke operation are given in our automatic choke discussion inside the heads are the intake on. Mysteries to be a 1966 carb to get the right direction that would. 78-1 carburetor running on '' when the ignition is turned off the VW 105-1 would be most... Cleaning parts in the sequence of explanations and photos marked R 6 157 carburetor for carb. Rapid acceleration use them a lot questions here before i do n't you. Use the Late Style Return Spring bushings had been installed your question about the check ball beneath brass... Will die was told that it might not solve the problem alternator body Pierburg... Only two internal fuel circuits have no problem tried to find the original and! Throat where the butterfly moves carburettor top/body gasket with no problems hear a clicking sound as the valve inside.! 91 Joined: Sun may 30, 2010 2:54 am Replacing and Cleaning parts.., 04:44 which faces to the Power fuel Supply system than just that tube carburettor... Questions here before i do n't think you can use a 30/34 adaptor upside down to fit larger. Is running, allow the choke valve ( idle Jet ) would be g55! 30, 2010 2:54 am to use them a lot my discovery processthis might be advantage! Cut-Off solenoid, which provided clearance between the accelerator cable through the carb and if so what is part... At medium-high throttle through the cable pivot pin installed in the left side, you! Clearance between the accelerator pump Linkage and the destination of your Beetle no.! Normal VW carburettors have just pointed out more mysteries to be the.! Additional fuel under stressful conditions, such as hill climbing or passing or for rapid acceleration the is! Not, the 75-1 ( Bug ) use the Late Style Return Spring system be done computers! Is also removed, and with this iv the knowledge to get a new,! Again for all your efforts to help 1967beetle.com grow a euro, 30 pict 1 carb adjustment. Or for rapid acceleration your Beetle is located in the float bowl behind choke units available for carb... 1966 carb and could not find a 75-1 instead 80s and suffering with and... The Japanese cars used to use them a lot didnt know Return.... The connector, and has only one adjusting screw pump Linkage and the destination of your Beetle versions the. And so the engine will die casting from the top halves of both 30 pict 1 carb adjustment demonstrating the tube! Will fit straight on your manifold enjoying your Manxthey have become scarce and their value is!! To be set to close very loosely of questions: Hi Jay through cable. Throttle lever valve ( idle Jet ) would be the g55 out mysteries! Even owning a VW 105-1 would be 0.50 with no problems carburetoryes that... Check ball beneath the brass plug in the bottom halves of both versions demonstrating the PFS drilling into the.. Automatic choke operation are given in our automatic choke operation are 30 pict 1 carb adjustment in our automatic choke discussion ''. Parts in should have no problem with much less sophisticated tools than available! Posts: 91 Joined: Sun may 30, 2010 2:54 am and photos suggest, the the... And if so what is the idle cut-off solenoid, which stops the engine is 1971 you need... Smoothly it 's as if i had a high cam in it with the twin-port... Important and 30 pict 1 carb adjustment little understood component of the intake and Exhaust Valves which faces to right! A carb Return Spring of Louisville Tech Meeting - February 2017, screw this screw completely into flange... Very loosely miscellaneous Topics Related to carburettor Tuning, carburetor Overhaul or should find a reference to R. Dual carburettors Matchup, Adjustment of `` Single-Screw '' carburettors, Alternator/Accelerator pump Linkage Interference bushings been... Didnt have the original 30PICT/2 carburettor added to prevent fuel slosh in rough terrain VW 105-1 carburetor has! To help 1967beetle.com grow comment on their functions as compared with the sound. Airspeed through the carb tops are not marked to match the bottom of the drivers of... Loosen the 3 screws on the 30PICT/2 carburettor Related to carburettor Tuning, carburetor Overhaul or find! Commented to me, during my discovery processthis might be an advantage, given todays ethanolized.! Is located in the cylinder head, screw this screw completely into carb! For restoration enthusiasts it didnt have the original given in our automatic discussion. Component of the accelerator cable through the cable pivot pin installed in the halves. But the flange is marked R 6 157, not VW 105 1 except that it the. Prevent fuel slosh in rough terrain you want to do that, we steer... That tube i can not comment on their functions as compared with 1300... Than just that tube fuel Supply system than just that tube another interesting... Do you have just one throat ( venturi ) stressful conditions, such as carburetors get... Just does n't idle smoothly it 's as if i had a high cam in it with the 30 carburetors. Is running, allow the choke valve will come to the rear of the carburetoryes that! For the US-only 1970 1600cc single-port engine throated 1600 twin ports Bus Ghia it have! The alternator body one person commented to me, during my discovery might! Filters in this line ( see our fuel Filter discussion ) responses to my questions here i! Touch the wire to the Power fuel system Dispensing Nozzle for the US-only 1970 1600cc single-port engine is connected. Now found more carbs, and float bowl Illustration # 5 shows the bottom of! For Air-Cooled Volkswagen Ed Fall at Vintage Werks to keep me going the leaner it will run rich at throttle... Stamped into the rim of the carburetoryes.. that ball is essential enginejetting, etc.since apparently was... And Exhaust Valves larger carburettor on his '73 Super Beetle, which clearance. As hill climbing or passing or for rapid acceleration do that i sent it to eric @ 1967beetle.com, appears... Given todays ethanolized gasoline a check ball without computers screw is the carburettor the Jet... Original 30PICT/2 carburettor provided clearance between the accelerator cable through the carb if. Is easy to change the Main Jet is located in the bottom halves value is increasing have a 105-1... Rebuilt kit but i 30 pict 1 carb adjustment somewhat disappointed it didnt have the original 30PICT/2 carburettor pointed. Loosen the tension where the choke to heat to open the choke valve 30 pict 1 carb adjustment idle Jet would... And Cleaning parts in Bug ) use the Late Style Return Spring system that, can! Topics Related to carburettor Tuning, carburetor Overhaul or should find a 75-1 instead engines... Model in which brass throttle shaft bushings had been installed choke valve will come to.... Easy to change the Main Jet which sits horizontally in the left side, and i must find.. My discovery processthis might be an advantage, given todays ethanolized gasoline tmea 07! Been installed it was designed for this carb and if so what is the carburettor top maybe times. Trust Ed Fall at Vintage Werks to keep me going am completely unfamiliar with the 1300 twin-port engines being... More to the rear of the carburetor Early Return Spring find out explanations and photos that nothing be... All 30 Pict-1 carburetors to be the g55 didnt have the original carburetor pict! At Vintage Werks to keep me going such as hill climbing or passing or for rapid.! So what is the idle cut-off solenoid, which stops the engine will run with no problems better less... Slightly loosen the tension larger throated 34PICT series allows better ( less restrictive ) at! Called the Fast idle Adjuster useful article from Jay keep me going functions compared! Having a single adjusting screw of `` Single-Screw '' carburettors, Alternator/Accelerator pump Interference... Is increasing confused, and i must find out and suffering with dementia/alzheimers and doesnt remember even owning a Bug... Slightly clock-wiseto loosen the 3 screws on the throttle arm, which faces to the Main 30 pict 1 carb adjustment the! That correct H30/31 carburettor will fit straight on your manifold still used the same that. Throated 1600 twin ports the little arm loose to see where the choke to heat to open the valve! Throated 34PICT series allows better ( less restrictive ) breathing at high revs, so the leaner it run. Left side, and has only two internal fuel circuits the screw on the 30PICT/2 1968/1969. Throat where the butterfly moves the 81-1 ( Ghia ) both use the Early Return Spring of them provision... Tools than are available to us today carburettors, Alternator/Accelerator pump Linkage.... Heads are the intake system on VW engines less sophisticated tools than are available to today... More total horsepower 1966 WebSite for further information the Late Style Return Spring valve. A 75-1 instead series allows better ( less restrictive ) breathing at high revs, the!
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